/* ========================================
   iSolutions Egypt - Extraordinary Design
   Water Treatment & Chemical Supply
   ======================================== */

/* --- CSS Variables --- */
:root {
  --primary: #0a4d8c;
  --primary-light: #1a7fd4;
  --primary-dark: #062d52;
  --accent: #00c9db;
  --accent-glow: rgba(0, 201, 219, 0.3);
  --secondary: #06d6a0;
  --dark: #0b1120;
  --dark-card: rgba(15, 23, 42, 0.7);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.1);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --white: #ffffff;
  --gradient-hero: linear-gradient(135deg, #0b1120 0%, #0a4d8c 50%, #062d52 100%);
  --gradient-accent: linear-gradient(135deg, #00c9db 0%, #06d6a0 100%);
  --gradient-card: linear-gradient(135deg, rgba(10, 77, 140, 0.3), rgba(0, 201, 219, 0.1));
  --shadow-glow: 0 0 40px rgba(0, 201, 219, 0.15);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

body {
  font-family: var(--font);
  background: var(--dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

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

/* --- Animated Background Particles --- */
.bg-particles {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-particles .bubble {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 201, 219, 0.15), transparent 70%);
  animation: floatBubble linear infinite;
}

@keyframes floatBubble {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.5; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  backdrop-filter: blur(0px);
}

.navbar.scrolled {
  background: rgba(11, 17, 32, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 10px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.nav-logo span {
  -webkit-text-fill-color: var(--white);
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: var(--glass);
}

.nav-links a.cta-btn {
  background: var(--gradient-accent);
  color: var(--dark);
  font-weight: 700;
  padding: 10px 24px;
}

.nav-links a.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 2.5px;
  background: var(--white);
  border-radius: 4px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: rgba(11, 17, 32, 0.98);
    backdrop-filter: blur(30px);
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    padding: 40px;
    transition: var(--transition);
    border-left: 1px solid var(--glass-border);
  }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 1.1rem; padding: 12px 24px; width: 100%; text-align: center; }
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(0, 201, 219, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(6, 214, 160, 0.06) 0%, transparent 40%);
  animation: heroGlow 12s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-3%, 2%) rotate(5deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s ease;
}

.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--white);
  letter-spacing: -1px;
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero h1 .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 36px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(0, 201, 219, 0.3);
}

.btn-secondary {
  background: var(--glass);
  color: var(--white);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-3px);
}

.btn svg {
  width: 18px; height: 18px;
  transition: var(--transition);
}

.btn:hover svg {
  transform: translateX(4px);
}

/* --- Scroll Indicator --- */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2s infinite;
}

.scroll-indicator .mouse {
  width: 28px;
  height: 44px;
  border: 2px solid var(--glass-border);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-indicator .wheel {
  width: 4px;
  height: 10px;
  background: var(--accent);
  border-radius: 4px;
  animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(12px); }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* --- Sections --- */
section {
  position: relative;
  z-index: 1;
  padding: 100px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
}

.section-header {
  margin-bottom: 60px;
}

.section-header.center {
  text-align: center;
}

.section-header.center .section-subtitle {
  margin: 0 auto;
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.service-card {
  position: relative;
  background: var(--dark-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

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

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 201, 219, 0.3);
  box-shadow: var(--shadow-glow);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  border: 1px solid var(--glass-border);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.service-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.service-card .card-link svg {
  width: 16px; height: 16px;
  transition: var(--transition);
}

.service-card:hover .card-link svg {
  transform: translateX(4px);
}

/* --- Stats Bar --- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 60px 0;
}

.stat-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--dark-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.stat-item:hover {
  border-color: rgba(0, 201, 219, 0.3);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

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

@media (max-width: 480px) {
  .stats-bar {
    grid-template-columns: 1fr;
  }
}

/* --- About / Specialty Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-visual .visual-card {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-visual .visual-card::before {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(0, 201, 219, 0.2), transparent 70%);
  border-radius: 50%;
  animation: floatOrb 6s ease-in-out infinite;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -30px); }
}

.about-visual svg.water-icon {
  width: 120px; height: 120px;
  color: var(--accent);
  opacity: 0.8;
  z-index: 1;
}

.about-content .section-subtitle {
  margin-bottom: 32px;
}

.value-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.value-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.value-item:hover {
  border-color: rgba(0, 201, 219, 0.2);
}

.value-item .icon {
  width: 40px; height: 40px;
  min-width: 40px;
  border-radius: 10px;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--glass-border);
}

.value-item .icon svg {
  width: 20px; height: 20px;
  color: var(--accent);
}

.value-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.value-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: 80px 0;
}

.cta-box {
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 64px 40px;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%; right: -30%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0, 201, 219, 0.1), transparent 70%);
  border-radius: 50%;
}

.cta-box h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
}

.cta-box p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto 32px;
  position: relative;
}

.cta-box .btn {
  position: relative;
}

/* --- Product Cards --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.product-card {
  background: var(--dark-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 201, 219, 0.3);
  box-shadow: var(--shadow-glow);
}

.product-card .card-visual {
  height: 200px;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-card .card-visual::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 60%;
  background: linear-gradient(to top, var(--dark-card), transparent);
}

.product-card .card-visual svg {
  width: 64px; height: 64px;
  color: var(--accent);
  opacity: 0.6;
  z-index: 1;
}

.product-card .card-body {
  padding: 28px;
}

.product-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.product-card p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.7;
}

/* --- Treatment Solution Cards --- */
.treatment-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.treatment-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 28px;
  padding: 36px;
  background: var(--dark-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: var(--transition);
  backdrop-filter: blur(10px);
  align-items: start;
}

.treatment-item:hover {
  border-color: rgba(0, 201, 219, 0.3);
  transform: translateX(8px);
  box-shadow: var(--shadow-glow);
}

.treatment-item .treatment-num {
  width: 80px; height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  background-color: var(--glass);
}

.treatment-item h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.treatment-item .sub-title {
  font-size: 0.95rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.treatment-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

@media (max-width: 600px) {
  .treatment-item {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* --- FAQ Section --- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--dark-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: rgba(0, 201, 219, 0.3);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--white);
  font-size: 1rem;
  user-select: none;
}

.faq-question svg {
  width: 20px; height: 20px;
  color: var(--accent);
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 20px 24px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.contact-info-item:hover {
  border-color: rgba(0, 201, 219, 0.2);
}

.contact-info-item .icon {
  width: 48px; height: 48px;
  min-width: 48px;
  border-radius: 12px;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--glass-border);
}

.contact-info-item .icon svg {
  width: 22px; height: 22px;
  color: var(--accent);
}

.contact-info-item h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 2px;
}

.contact-info-item p,
.contact-info-item a {
  color: var(--white);
  font-weight: 600;
  font-size: 1rem;
}

.contact-info-item a:hover {
  color: var(--accent);
}

.contact-form {
  background: var(--dark-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 40px;
  backdrop-filter: blur(10px);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 201, 219, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

/* --- Page Hero (Inner pages) --- */
.page-hero {
  padding: 160px 0 80px;
  text-align: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: radial-gradient(circle at 50% 120%, rgba(0, 201, 219, 0.08) 0%, transparent 60%);
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
}

.page-hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* --- Footer --- */
.footer {
  position: relative;
  z-index: 1;
  background: rgba(11, 17, 32, 0.95);
  border-top: 1px solid var(--glass-border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  display: inline-block;
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.93rem;
  padding: 4px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.social-links a {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--gradient-accent);
  border-color: transparent;
  transform: translateY(-3px);
}

.social-links a svg {
  width: 18px; height: 18px;
  color: var(--text-muted);
}

.social-links a:hover svg {
  color: var(--dark);
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-bottom a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

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

/* --- Utility --- */
.text-center { text-align: center; }
.mt-60 { margin-top: 60px; }
.mb-40 { margin-bottom: 40px; }

/* --- Services Page Specific --- */
.services-grid-alt {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .services-grid-alt {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .services-grid-alt,
  .services-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }
}

/* Water wave animation for footer */
.wave-divider {
  position: relative;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  margin-bottom: -1px;
}

.wave-divider svg {
  display: block;
  width: 100%;
  height: 60px;
}

.wave-divider svg path {
  fill: rgba(11, 17, 32, 0.95);
}

/* Glow dot for lists */
.glow-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  flex-shrink: 0;
}