/* ============================================
   Saim Trading Co. — Premium Solar Website
   ============================================ */

:root {
  --navy-deep: #061A3A;
  --navy-dark: #082B63;
  --royal-blue: #075ED7;
  --electric-blue: #1688FF;
  --solar-gold: #FFB000;
  --orange-gold: #FF8A00;
  --white: #FFFFFF;
  --bg-light: #F5F8FC;
  --text-muted: #6B7C93;
  --gradient-primary: linear-gradient(135deg, #061A3A, #075ED7);
  --gradient-blue: linear-gradient(135deg, #075ED7, #1688FF);
  --gradient-gold: linear-gradient(135deg, #FFB000, #FF8A00);
  --shadow-sm: 0 4px 20px rgba(6, 26, 58, 0.08);
  --shadow-md: 0 8px 40px rgba(6, 26, 58, 0.12);
  --shadow-lg: 0 20px 60px rgba(6, 26, 58, 0.18);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Inter', system-ui, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--navy-deep);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ---- Loading Screen ---- */
.page-loader {
  position: fixed; inset: 0; z-index: 99999;
  background: var(--navy-deep);
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.page-loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-logo { width: 180px; margin-bottom: 24px; animation: pulse-glow 2s ease infinite; }
.loader-bar { width: 200px; height: 3px; background: rgba(255,255,255,0.1); border-radius: 3px; overflow: hidden; }
.loader-bar-fill { height: 100%; background: var(--gradient-gold); animation: loader-fill 1.5s ease forwards; border-radius: 3px; }

@keyframes loader-fill { from { width: 0; } to { width: 100%; } }
@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 8px rgba(22,136,255,0.3)); }
  50% { filter: drop-shadow(0 0 20px rgba(255,176,0,0.5)); }
}

/* ---- Typography Utilities ---- */
.section-label {
  display: inline-block;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--solar-gold); margin-bottom: 12px;
}
.section-title { font-size: clamp(1.75rem, 4vw, 2.75rem); color: var(--navy-deep); margin-bottom: 16px; }
.section-subtitle { font-size: 1.05rem; color: var(--text-muted); max-width: 640px; }
.text-white { color: var(--white); }
.text-gold { color: var(--solar-gold); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; font-size: 0.95rem; font-weight: 600;
  border-radius: 50px; border: 2px solid transparent;
  cursor: pointer; transition: var(--transition); white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-gold); color: var(--navy-deep);
  box-shadow: 0 4px 20px rgba(255,176,0,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,176,0,0.5);
  color: var(--navy-deep);
}
.btn-outline {
  background: transparent; color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1); border-color: var(--white);
  color: var(--white); transform: translateY(-2px);
}
.btn-outline-dark {
  background: transparent; color: var(--royal-blue);
  border-color: var(--royal-blue);
}
.btn-outline-dark:hover {
  background: var(--royal-blue); color: var(--white); transform: translateY(-2px);
}
.btn-sm { padding: 10px 24px; font-size: 0.875rem; }

/* ---- Navbar ---- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0; transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.navbar-brand { display: flex; align-items: center; gap: 12px; }
.navbar-brand img { height: 48px; width: auto; transition: var(--transition); }
.navbar.scrolled .navbar-brand img { height: 42px; }

.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-link {
  padding: 8px 16px; font-size: 0.9rem; font-weight: 500;
  color: rgba(255,255,255,0.85); border-radius: 8px; position: relative;
}
.navbar.scrolled .nav-link { color: var(--navy-deep); }
.nav-link:hover, .nav-link.active { color: var(--solar-gold); }
.navbar.scrolled .nav-link:hover, .navbar.scrolled .nav-link.active { color: var(--royal-blue); }

.nav-cta { margin-left: 12px; }

.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 40px; height: 40px; position: relative; z-index: 1001;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: var(--white);
  margin: 6px auto; transition: var(--transition); border-radius: 2px;
}
.navbar.scrolled .nav-toggle span { background: var(--navy-deep); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

.nav-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.5); z-index: 999;
}
.nav-overlay.active { display: block; }

/* ---- Hero ---- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
  transform: scale(1.05); transition: transform 0.1s linear;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(135deg, rgba(6,26,58,0.92) 0%, rgba(7,94,215,0.75) 100%);
}
.hero-glow {
  position: absolute; z-index: 2; border-radius: 50%;
  filter: blur(80px); opacity: 0.4; animation: float-glow 8s ease-in-out infinite;
}
.hero-glow.gold { width: 400px; height: 400px; background: var(--solar-gold); top: 20%; right: 10%; }
.hero-glow.blue { width: 300px; height: 300px; background: var(--electric-blue); bottom: 10%; left: 5%; animation-delay: -4s; }

.hero-particles { position: absolute; inset: 0; z-index: 2; pointer-events: none; overflow: hidden; }
.particle {
  position: absolute; width: 4px; height: 4px; background: var(--solar-gold);
  border-radius: 50%; opacity: 0.3; animation: particle-float 12s linear infinite;
}

.hero-content { position: relative; z-index: 3; padding: 140px 0 100px; max-width: 720px; }
.hero-label {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; background: rgba(255,176,0,0.15);
  border: 1px solid rgba(255,176,0,0.3); border-radius: 50px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--solar-gold); margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem); color: var(--white);
  margin-bottom: 24px; font-weight: 800;
}
.hero-title span {
  background: var(--gradient-gold); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-text { font-size: 1.15rem; color: rgba(255,255,255,0.8); margin-bottom: 36px; max-width: 560px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 48px; }

.hero-cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  max-width: 600px;
}
.hero-card {
  padding: 20px; background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md); text-align: center;
  animation: float-card 6s ease-in-out infinite;
}
.hero-card:nth-child(2) { animation-delay: -2s; }
.hero-card:nth-child(3) { animation-delay: -4s; }
.hero-card i { font-size: 1.5rem; color: var(--solar-gold); margin-bottom: 8px; }
.hero-card h4 { font-size: 0.85rem; color: var(--white); font-weight: 600; }

/* ---- Page Hero (Inner Pages) ---- */
.page-hero {
  position: relative; padding: 160px 0 80px; overflow: hidden;
  background: var(--gradient-primary);
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero-content { position: relative; z-index: 2; }
.page-hero h1 { font-size: clamp(2rem, 5vw, 3.25rem); color: var(--white); margin-bottom: 16px; }
.page-hero p { font-size: 1.1rem; color: rgba(255,255,255,0.75); max-width: 600px; }

.breadcrumbs {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-bottom: 20px;
}
.breadcrumbs a { color: rgba(255,255,255,0.8); }
.breadcrumbs a:hover { color: var(--solar-gold); }
.breadcrumbs span { color: var(--solar-gold); }

/* ---- Trust / Stats Section ---- */
.trust-section { padding: 80px 0; background: var(--bg-light); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.trust-card {
  text-align: center; padding: 40px 24px;
  background: var(--white); border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm); transition: var(--transition);
  border: 1px solid rgba(6,26,58,0.04);
}
.trust-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.trust-number {
  font-size: 2.5rem; font-weight: 800; font-family: var(--font-display);
  background: var(--gradient-blue); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 8px;
}
.trust-card h3 { font-size: 1rem; color: var(--navy-deep); font-weight: 600; }

/* ---- Section Spacing ---- */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .section-subtitle { margin: 0 auto; }

/* ---- Product Cards ---- */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  background: var(--white); border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid rgba(6,26,58,0.06);
  transition: var(--transition);
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.product-card-image {
  position: relative; height: 220px; overflow: hidden;
}
.product-card-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.product-card:hover .product-card-image img { transform: scale(1.08); }
.product-card-icon {
  position: absolute; bottom: -20px; right: 20px;
  width: 48px; height: 48px; background: var(--gradient-gold);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--navy-deep); box-shadow: var(--shadow-md);
}
.product-card-body { padding: 32px 24px 24px; }
.product-card-body h3 { font-size: 1.2rem; margin-bottom: 10px; color: var(--navy-deep); }
.product-card-body p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 20px; }
.product-category {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--royal-blue); background: rgba(7,94,215,0.08);
  padding: 4px 12px; border-radius: 50px; margin-bottom: 12px;
}

/* ---- Why Section ---- */
.why-section {
  padding: 100px 0; background: var(--gradient-primary); position: relative; overflow: hidden;
}
.why-section::after {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 600px; height: 600px; border-radius: 50%;
  border: 1px solid rgba(255,176,0,0.1);
}
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; z-index: 2; }
.why-card {
  padding: 36px 28px; background: rgba(255,255,255,0.06);
  backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md); transition: var(--transition);
}
.why-card:hover {
  background: rgba(255,255,255,0.1); transform: translateY(-4px);
  border-color: rgba(255,176,0,0.3);
}
.why-card-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: rgba(255,176,0,0.15); display: flex;
  align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--solar-gold); margin-bottom: 20px;
}
.why-card h3 { font-size: 1.1rem; color: var(--white); margin-bottom: 10px; }
.why-card p { font-size: 0.9rem; color: rgba(255,255,255,0.65); }

/* ---- Solutions Cards ---- */
.solutions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.solution-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  min-height: 420px; display: flex; flex-direction: column; justify-content: flex-end;
  transition: var(--transition);
}
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.solution-card-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  transition: transform 0.6s ease;
}
.solution-card:hover .solution-card-bg { transform: scale(1.06); }
.solution-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,26,58,0.95) 0%, rgba(6,26,58,0.3) 60%, transparent 100%);
}
.solution-card-content { position: relative; z-index: 2; padding: 36px; }
.solution-card-content h3 { font-size: 1.5rem; color: var(--white); margin-bottom: 12px; }
.solution-card-content p { font-size: 0.95rem; color: rgba(255,255,255,0.7); margin-bottom: 20px; }

/* ---- Timeline ---- */
.timeline { position: relative; max-width: 900px; margin: 0 auto; }
.timeline::before {
  content: ''; position: absolute; left: 28px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--royal-blue), var(--solar-gold));
}
.timeline-item {
  position: relative; padding-left: 80px; padding-bottom: 48px;
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.timeline-item.visible { opacity: 1; transform: translateY(0); }
.timeline-dot {
  position: absolute; left: 16px; top: 4px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--gradient-gold); display: flex;
  align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 800; color: var(--navy-deep);
  box-shadow: 0 0 0 4px rgba(255,176,0,0.2);
}
.timeline-item h3 { font-size: 1.15rem; color: var(--navy-deep); margin-bottom: 8px; }
.timeline-item p { font-size: 0.95rem; color: var(--text-muted); }

/* ---- About Page ---- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
.about-image img { width: 100%; height: 400px; object-fit: cover; }
.about-image-badge {
  position: absolute; bottom: 24px; left: 24px;
  padding: 16px 24px; background: rgba(6,26,58,0.9);
  backdrop-filter: blur(8px); border-radius: var(--radius-md);
  border: 1px solid rgba(255,176,0,0.3);
}
.about-image-badge i { color: var(--solar-gold); font-size: 1.5rem; margin-bottom: 4px; }
.about-image-badge span { display: block; font-size: 0.85rem; color: var(--white); font-weight: 600; }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.value-card {
  padding: 28px; background: var(--bg-light); border-radius: var(--radius-md);
  text-align: center; transition: var(--transition);
  border: 1px solid transparent;
}
.value-card:hover { border-color: var(--royal-blue); transform: translateY(-4px); }
.value-card i { font-size: 1.8rem; color: var(--royal-blue); margin-bottom: 12px; }
.value-card h4 { font-size: 1rem; color: var(--navy-deep); }

.mission-vision { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.mv-card {
  padding: 40px; border-radius: var(--radius-md);
  background: var(--white); box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--solar-gold);
}
.mv-card h3 { font-size: 1.3rem; margin-bottom: 12px; color: var(--navy-deep); }
.mv-card p { color: var(--text-muted); font-size: 0.95rem; }

.globe-graphic {
  position: relative; padding: 60px; text-align: center;
  background: var(--gradient-primary); border-radius: var(--radius-lg);
  overflow: hidden; margin-top: 60px;
}
.globe-graphic i { font-size: 6rem; color: rgba(255,255,255,0.15); }
.globe-rings {
  position: absolute; border: 1px solid rgba(255,176,0,0.15); border-radius: 50%;
  animation: ring-pulse 4s ease-in-out infinite;
}
.globe-rings:nth-child(1) { width: 200px; height: 200px; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.globe-rings:nth-child(2) { width: 300px; height: 300px; top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: -1s; }
.globe-rings:nth-child(3) { width: 400px; height: 400px; top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: -2s; }
.globe-graphic h3 { position: relative; z-index: 2; color: var(--white); font-size: 1.5rem; margin-top: 20px; }
.globe-graphic p { position: relative; z-index: 2; color: rgba(255,255,255,0.7); max-width: 500px; margin: 12px auto 0; }

/* ---- Filter Tabs ---- */
.filter-tabs {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center; margin-bottom: 48px;
}
.filter-tab {
  padding: 10px 24px; font-size: 0.875rem; font-weight: 600;
  border: 2px solid rgba(6,26,58,0.1); border-radius: 50px;
  background: var(--white); color: var(--navy-deep); cursor: pointer;
  transition: var(--transition);
}
.filter-tab:hover, .filter-tab.active {
  background: var(--royal-blue); color: var(--white); border-color: var(--royal-blue);
}

/* ---- Services ---- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  padding: 40px 32px; background: var(--white);
  border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
  border: 1px solid rgba(6,26,58,0.06);
  transition: var(--transition); text-align: center;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--royal-blue); }
.service-icon {
  width: 64px; height: 64px; margin: 0 auto 20px;
  background: rgba(7,94,215,0.08); border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--royal-blue);
  transition: var(--transition);
}
.service-card:hover .service-icon { background: var(--gradient-gold); color: var(--navy-deep); }
.service-card h3 { font-size: 1.15rem; margin-bottom: 12px; color: var(--navy-deep); }
.service-card p { font-size: 0.9rem; color: var(--text-muted); }

/* ---- Projects ---- */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.project-card {
  border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  background: var(--white);
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-card-image { height: 240px; overflow: hidden; position: relative; }
.project-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.project-card:hover .project-card-image img { transform: scale(1.08); }
.project-card-overlay {
  position: absolute; inset: 0; background: rgba(6,26,58,0);
  transition: var(--transition); display: flex; align-items: center; justify-content: center;
}
.project-card:hover .project-card-overlay { background: rgba(6,26,58,0.5); }
.project-card-overlay i { font-size: 2rem; color: var(--white); opacity: 0; transition: var(--transition); }
.project-card:hover .project-card-overlay i { opacity: 1; }
.project-card-body { padding: 24px; }
.project-card-body h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--navy-deep); }
.project-card-body p { font-size: 0.875rem; color: var(--text-muted); }

/* ---- Contact ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-info-cards { display: flex; flex-direction: column; gap: 20px; }
.contact-info-card {
  padding: 28px; background: var(--bg-light); border-radius: var(--radius-md);
  display: flex; gap: 16px; align-items: flex-start;
  transition: var(--transition); border: 1px solid transparent;
}
.contact-info-card:hover { border-color: var(--royal-blue); }
.contact-info-card i {
  width: 48px; height: 48px; background: var(--gradient-blue);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 1.1rem; flex-shrink: 0;
}
.contact-info-card h4 { font-size: 0.95rem; color: var(--navy-deep); margin-bottom: 4px; }
.contact-info-card p, .contact-info-card a { font-size: 0.9rem; color: var(--text-muted); }
.contact-info-card a:hover { color: var(--royal-blue); }

.contact-form {
  background: var(--white); padding: 40px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); border: 1px solid rgba(6,26,58,0.06);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 0.85rem; font-weight: 600;
  color: var(--navy-deep); margin-bottom: 6px;
}
.form-control {
  width: 100%; padding: 12px 16px; font-size: 0.95rem;
  font-family: var(--font-body); border: 2px solid rgba(6,26,58,0.1);
  border-radius: var(--radius-sm); background: var(--bg-light);
  transition: var(--transition); color: var(--navy-deep);
}
.form-control:focus {
  outline: none; border-color: var(--royal-blue);
  background: var(--white); box-shadow: 0 0 0 4px rgba(7,94,215,0.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
textarea.form-control { min-height: 120px; resize: vertical; }

.map-embed {
  margin-top: 60px; border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid rgba(6,26,58,0.08);
}
.map-embed iframe {
  display: block; width: 100%; height: 360px; border: 0;
}
.map-embed-footer {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; padding: 16px 20px;
  background: var(--bg-light); border-top: 1px solid rgba(6,26,58,0.06);
}
.map-embed-footer p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }
.map-embed-footer a {
  font-size: 0.875rem; font-weight: 600; color: var(--royal-blue);
}
.map-embed-footer a:hover { color: var(--solar-gold); }

/* ---- Solution Detail Pages ---- */
.feature-list { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }
.feature-item {
  display: flex; gap: 16px; padding: 20px;
  background: var(--bg-light); border-radius: var(--radius-md);
  transition: var(--transition);
}
.feature-item:hover { background: rgba(7,94,215,0.06); }
.feature-item i {
  width: 44px; height: 44px; background: var(--gradient-gold);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  color: var(--navy-deep); flex-shrink: 0;
}
.feature-item h4 { font-size: 1rem; color: var(--navy-deep); margin-bottom: 4px; }
.feature-item p { font-size: 0.875rem; color: var(--text-muted); }

.solution-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.solution-visual {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); position: relative;
}
.solution-visual img { width: 100%; height: 450px; object-fit: cover; }

.target-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 32px; }
.target-item {
  padding: 20px; text-align: center; background: var(--white);
  border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.target-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.target-item i { font-size: 1.5rem; color: var(--royal-blue); margin-bottom: 8px; }
.target-item span { display: block; font-size: 0.85rem; font-weight: 600; color: var(--navy-deep); }

/* ---- CTA Banner ---- */
.cta-banner {
  padding: 80px 0; background: var(--gradient-primary);
  text-align: center; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; top: -100px; right: -100px;
  width: 300px; height: 300px; border-radius: 50%;
  background: rgba(255,176,0,0.08);
}
.cta-banner h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); color: var(--white); margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,0.75); margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ---- Footer ---- */
.footer {
  background: var(--navy-deep); padding: 80px 0 0; color: rgba(255,255,255,0.7);
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 60px; }
.footer-brand img { height: 56px; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; max-width: 280px; }
.footer-contact { margin-top: 12px !important; font-size: 0.85rem !important; line-height: 1.7 !important; }
.footer-contact a { color: rgba(255,255,255,0.6); }
.footer-contact a:hover { color: var(--solar-gold); }
.footer h4 {
  font-size: 0.95rem; color: var(--white); margin-bottom: 20px;
  font-weight: 700; letter-spacing: 0.05em;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 0.875rem; color: rgba(255,255,255,0.6); }
.footer-links a:hover { color: var(--solar-gold); }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(255,255,255,0.08); display: flex;
  align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6); font-size: 1rem;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--solar-gold); color: var(--navy-deep); }
.footer-bottom {
  padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.4);
}

/* ---- Floating Elements ---- */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 900;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gradient-blue); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transition: var(--transition);
  border: none; cursor: pointer;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-4px); }

.mobile-sticky-cta {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 899;
  padding: 12px 16px; background: var(--white);
  box-shadow: 0 -4px 20px rgba(6,26,58,0.1);
}
.mobile-sticky-cta .btn { width: 100%; }

/* ---- Animations ---- */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

@keyframes float-glow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}
@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes particle-float {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 0.3; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}
@keyframes ring-pulse {
  0%, 100% { opacity: 0.3; transform: translate(-50%,-50%) scale(1); }
  50% { opacity: 0.6; transform: translate(-50%,-50%) scale(1.05); }
}

/* ---- Solutions Page ---- */
.solution-type-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.solution-type-card {
  padding: 40px; background: var(--white); border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm); border: 1px solid rgba(6,26,58,0.06);
  transition: var(--transition);
}
.solution-type-card:hover { box-shadow: var(--shadow-md); border-color: var(--royal-blue); }
.solution-type-card .icon-wrap {
  width: 56px; height: 56px; background: rgba(7,94,215,0.08);
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--royal-blue); margin-bottom: 20px;
}
.solution-type-card h3 { font-size: 1.25rem; margin-bottom: 12px; color: var(--navy-deep); }
.solution-type-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 16px; }
.solution-type-card ul { margin-top: 12px; }
.solution-type-card ul li {
  font-size: 0.875rem; color: var(--text-muted); padding: 6px 0;
  padding-left: 20px; position: relative;
}
.solution-type-card ul li::before {
  content: ''; position: absolute; left: 0; top: 14px;
  width: 8px; height: 8px; background: var(--solar-gold); border-radius: 2px;
}

/* ---- Product Features List ---- */
.product-features { margin-top: 12px; }
.product-features li {
  font-size: 0.8rem; color: var(--text-muted); padding: 4px 0;
  padding-left: 18px; position: relative;
}
.product-features li::before {
  content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
  position: absolute; left: 0; color: var(--solar-gold); font-size: 0.7rem;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid, .why-grid, .solutions-grid, .services-grid, .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .solution-detail-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .target-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-type-grid { grid-template-columns: 1fr; }
  .mission-vision { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed; top: 0; right: -100%; width: 80%; max-width: 360px;
    height: 100vh; background: var(--navy-deep);
    flex-direction: column; align-items: flex-start;
    padding: 100px 32px 32px; gap: 4px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 40px rgba(0,0,0,0.3);
  }
  .nav-menu.open { right: 0; }
  .nav-link { color: rgba(255,255,255,0.85) !important; font-size: 1.05rem; padding: 12px 0; width: 100%; }
  .nav-cta { margin-left: 0; margin-top: 16px; width: 100%; }
  .nav-cta .btn { width: 100%; }
  .nav-toggle { display: block; }

  .hero-cards { grid-template-columns: 1fr; max-width: 100%; }
  .hero-content { padding: 120px 0 80px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; text-align: center; }

  .trust-grid, .products-grid, .why-grid, .solutions-grid,
  .services-grid, .projects-grid, .values-grid, .target-grid {
    grid-template-columns: 1fr;
  }

  .section { padding: 70px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .mobile-sticky-cta { display: block; }
  body { padding-bottom: 70px; }

  .solution-card { min-height: 320px; }
  .timeline::before { left: 20px; }
  .timeline-item { padding-left: 60px; }
  .timeline-dot { left: 8px; width: 24px; height: 24px; font-size: 0.6rem; }
}

@media (max-width: 430px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 2rem; }
  .contact-form { padding: 24px; }
  .filter-tabs { gap: 6px; }
  .filter-tab { padding: 8px 16px; font-size: 0.8rem; }
}