:root {
  --bg-dark: #0a1628;
  --bg-card: #0f2137;
  --bg-card-hover: #142a45;
  --accent: #00d4ff;
  --accent-dim: #0099cc;
  --water: #4fc3f7;
  --text: #e8f4f8;
  --text-mid: #a8c0d0;
  --text-dim: #7a94a8;
  --error: #ff6b6b;
  --success: #4ade80;
  --font-display: 'Rubik', sans-serif;
  --font-body: 'Heebo', sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --section-padding: 5rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.grain-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.875rem, 5vw, 2.75rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
}

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

/* Header */
.site-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 1000;
  padding: 1rem;
  transition: background 0.3s var(--ease-out), backdrop-filter 0.3s var(--ease-out);
}

.site-header.scrolled {
  background: rgba(10, 22, 40, 0.9);
  backdrop-filter: blur(20px);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.125rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin-inline-start: auto;
}

.nav-links a {
  position: relative;
  color: var(--text-mid);
  transition: color 0.2s;
  font-weight: 400;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  inset-inline: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.3s var(--ease-out);
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--text);
}

.nav-links a:hover::after,
.nav-links a:focus::after {
  transform: scaleX(1);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--accent);
  color: var(--bg-dark);
  font-family: var(--font-display);
  font-weight: 500;
  border-radius: 8px;
  transition: transform 0.2s var(--ease-bounce), box-shadow 0.2s;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.3);
}

.nav-phone svg {
  flex-shrink: 0;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .nav-cta.desktop-only {
    display: none;
  }
  
  .mobile-toggle {
    display: flex;
    margin-inline-start: auto;
  }
  
  .mobile-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    inset-inline: 1rem;
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    gap: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  }
  
  .nav-links.active .mobile-cta {
    display: flex;
    justify-content: center;
    margin-top: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--accent);
    color: var(--bg-dark);
    font-family: var(--font-display);
    font-weight: 500;
    border-radius: 8px;
    text-align: center;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease-bounce), box-shadow 0.2s, background 0.2s;
}

.btn svg {
  width: 20px;
  height: 20px;
}

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

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 212, 255, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--text-mid);
}

.btn-ghost:hover,
.btn-ghost:focus {
  border-color: var(--accent);
  color: var(--accent);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 7rem 2rem var(--section-padding);
  max-width: 1400px;
  margin: 0 auto;
}

.hero-content {
  opacity: 0;
  transform: translateY(40px);
  animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 50px;
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

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

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

.hero-line {
  display: block;
}

.hero-accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--text);
  margin: 1.5rem 0 2.5rem;
  max-width: 440px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-visual {
  position: relative;
  height: 400px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.5s forwards;
}

.pipe-system {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pipes-svg {
  width: 100%;
  height: 100%;
  max-width: 400px;
}

.pipe {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawPipe 2s var(--ease-out) forwards;
}

.pipe-1 { animation-delay: 0.5s; }
.pipe-2 { animation-delay: 1s; }
.pipe-3 { animation-delay: 1.5s; }

@keyframes drawPipe {
  to { stroke-dashoffset: 0; }
}

.joint {
  opacity: 0;
  animation: popIn 0.3s var(--ease-bounce) forwards;
}

.joint:nth-child(4) { animation-delay: 1.2s; }
.joint:nth-child(5) { animation-delay: 1.7s; }
.joint:nth-child(6) { animation-delay: 2.2s; }

@keyframes popIn {
  from { opacity: 0; transform: scale(0); }
  to { opacity: 1; transform: scale(1); }
}

.drop {
  opacity: 0;
}

.drop-1 {
  animation: flowDrop1 3s ease-in-out 2.5s infinite;
}

.drop-2 {
  animation: flowDrop2 3.5s ease-in-out 3s infinite;
}

.drop-3 {
  animation: flowDrop3 4s ease-in-out 3.5s infinite;
}

@keyframes flowDrop1 {
  0% { opacity: 0; cx: 50; cy: 200; }
  10% { opacity: 1; }
  50% { cx: 150; cy: 200; }
  90% { opacity: 1; }
  100% { opacity: 0; cx: 150; cy: 100; }
}

@keyframes flowDrop2 {
  0% { opacity: 0; cx: 250; cy: 100; }
  10% { opacity: 1; }
  50% { cx: 250; cy: 200; }
  90% { opacity: 1; }
  100% { opacity: 0; cx: 350; cy: 200; }
}

@keyframes flowDrop3 {
  0% { opacity: 0; cx: 150; cy: 200; }
  10% { opacity: 1; }
  50% { cx: 150; cy: 300; }
  90% { opacity: 1; }
  100% { opacity: 0; cx: 300; cy: 300; }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 6rem;
  }
  
  .hero-sub {
    margin-inline: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-visual {
    height: 280px;
    order: -1;
  }
}

/* Section common */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text);
  max-width: 560px;
  margin: 1rem auto 0;
  font-size: 1.0625rem;
}

/* Services */
.services {
  padding: var(--section-padding) 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 2rem;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s, opacity 0.5s var(--ease-out);
  opacity: 0;
  transform: translateY(30px);
}

.service-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-card.visible:hover {
  transform: translateY(-8px);
}

.service-urgent {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 212, 255, 0.1) 100%);
  border: 1px solid rgba(0, 212, 255, 0.2);
  grid-column: span 2;
}

@media (min-width: 701px) {
  .service-urgent {
    display: flex;
    gap: 2rem;
  }
  
  .service-urgent .service-icon {
    flex-shrink: 0;
  }
  
  .service-urgent .service-content {
    flex: 1;
  }
}

@media (max-width: 700px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .service-urgent {
    grid-column: span 1;
  }
}

.service-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--text);
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
}

.service-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.service-list li {
  padding: 0.375rem 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--text);
  transition: background 0.2s, color 0.2s;
}

.service-list li:hover,
.service-list li:focus-within {
  background: rgba(0, 212, 255, 0.15);
  color: var(--accent);
}

/* Stats */
.stats {
  padding: 3.5rem 2rem;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, transparent 100%);
  border-top: 1px solid rgba(0, 212, 255, 0.1);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.stats-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--accent);
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: var(--accent);
}

.stat-label {
  display: block;
  color: var(--text);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

@media (max-width: 600px) {
  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

/* Areas */
.areas {
  padding: var(--section-padding) 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.areas-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 3rem;
}

.areas-content .section-header {
  text-align: start;
  margin-bottom: 0;
}

.areas-map {
  position: relative;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.areas-map.visible {
  opacity: 1;
  transform: scale(1);
}

.map-svg {
  width: 100%;
  max-width: 500px;
  height: auto;
}

.map-label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
}

.map-center {
  font-size: 15px;
  font-weight: 500;
}

.pulse-ring {
  animation: pulseRing 3s ease-out infinite;
}

@keyframes pulseRing {
  0% { opacity: 0.6; }
  50% { opacity: 0.2; }
  100% { opacity: 0.6; }
}

.map-point {
  opacity: 0;
  animation: fadeIn 0.5s var(--ease-out) forwards;
  animation-delay: var(--delay, 0s);
}

.areas-map.visible .map-point {
  opacity: 1;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

.areas-list {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 16px;
}

.areas-list h3 {
  margin-bottom: 1.5rem;
  color: var(--text);
}

.areas-list ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.areas-list li {
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  text-align: center;
  transition: background 0.2s, color 0.2s;
}

.areas-list li:hover {
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent);
}

@media (max-width: 800px) {
  .areas-content {
    grid-template-columns: 1fr;
  }
  
  .areas-content .section-header {
    text-align: center;
  }
  
  .areas-map {
    order: -1;
  }
}

/* Contact */
.contact {
  padding: var(--section-padding) 2rem;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 212, 255, 0.03) 100%);
}

.contact-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.contact-info.visible {
  opacity: 1;
  transform: translateY(0);
}

.contact-info > p {
  color: var(--text);
  font-size: 1.0625rem;
  margin-top: 1rem;
}

.contact-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  padding: 1rem 1.5rem;
  background: rgba(0, 212, 255, 0.1);
  border: 2px solid var(--accent);
  border-radius: 12px;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  transition: background 0.2s, transform 0.2s var(--ease-bounce);
}

.contact-phone:hover,
.contact-phone:focus {
  background: rgba(0, 212, 255, 0.2);
  transform: scale(1.02);
}

.contact-phone svg {
  width: 28px;
  height: 28px;
}

.contact-features {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
}

.feature svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-form {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out) 0.2s;
}

.contact-form.visible {
  opacity: 1;
  transform: translateY(0);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid transparent;
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.2s, background 0.2s;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.05);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238ba3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 1rem center;
  padding-inline-start: 2.5rem;
}

.form-group select option {
  background: var(--bg-card);
  color: var(--text);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group.error input,
.form-group.error select {
  border-color: var(--error);
  background: rgba(255, 107, 107, 0.05);
}

.error-msg {
  display: none;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--error);
}

.error-msg svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.form-group.error .error-msg {
  display: flex;
}

.btn-submit {
  grid-column: 1 / -1;
  position: relative;
  overflow: hidden;
}

.btn-submit .btn-loading,
.btn-submit .btn-success {
  display: none;
}

.btn-submit.loading .btn-text {
  display: none;
}

.btn-submit.loading .btn-loading {
  display: inline;
}

.btn-submit.success {
  background: var(--success);
}

.btn-submit.success .btn-text,
.btn-submit.success .btn-loading {
  display: none;
}

.btn-submit.success .btn-success {
  display: inline-flex;
  width: 24px;
  height: 24px;
}

.form-note {
  grid-column: 1 / -1;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: center;
  margin: 0;
}

@media (max-width: 800px) {
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .contact-info {
    text-align: center;
  }
  
  .contact-features {
    align-items: center;
  }
  
  .contact-form {
    grid-template-columns: 1fr;
  }
  
  .form-group-full {
    grid-column: 1;
  }
}

/* Footer */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 500;
}

.footer-logo {
  width: 32px;
  height: 32px;
}

.footer-nav {
  display: flex;
  gap: 2rem;
}

.footer-nav a {
  color: var(--text-mid);
  transition: color 0.2s;
}

.footer-nav a:hover,
.footer-nav a:focus {
  color: var(--accent);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}

.footer-contact a {
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.125rem;
}

.footer-contact span {
  color: var(--text-dim);
  font-size: 0.875rem;
}

.footer-copy {
  width: 100%;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8125rem;
  margin-top: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 700px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-contact {
    align-items: center;
  }
  
  .footer-nav {
    gap: 1.5rem;
  }
}

/* Focus states */
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
}