:root {
  --color-bg: #fdf0d5;
  --color-accent: #003049;
  --color-text: #669bbc;
  --color-warn: #c1121f;
  --color-surface: #fdf0d5;
  --color-accent-light: rgba(0, 48, 73, 0.08);
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max-width: 1100px;
  --radius: 6px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
}

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

a:hover {
  color: var(--color-warn);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  background-color: var(--color-text);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: monospace;
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: -0.08em;
  line-height: 1;
  text-decoration: none;
}

.logo-first {
  color: var(--color-accent);
}

.logo-second {
  color: var(--color-warn);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-bg);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--color-warn);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

#lang-toggle {
  background: transparent;
  border: 1.5px solid var(--color-bg);
  color: var(--color-bg);
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

#lang-toggle:hover {
  background: var(--color-bg);
  color: var(--color-accent);
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--color-accent);
  color: var(--color-bg);
  transform: translateY(-1px);
}

.btn-submit {
  background-color: var(--color-accent);
  color: var(--color-bg);
  width: 100%;
  font-size: 1rem;
  padding: 0.9rem;
}

.btn-submit:hover {
  background-color: var(--color-warn);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

section {
  padding: 5rem 0;
  position: relative;
}

section::before {
  content: '';
  display: block;
  width: 75%;
  height: 3px;
  background: var(--color-text);
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

#hero::before,
#rescue::before,
#clients::before {
  display: none;
}

.section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-warn);
  margin-bottom: 0.75rem;
}

h1, h2, h3 {
  color: var(--color-accent);
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

#hero {
  background-color: var(--color-bg);
  padding: 6rem 0;
  text-align: center;
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero-logo {
  font-family: monospace;
  font-weight: 900;
  font-size: clamp(3rem, 8vw, 5.5rem);
  letter-spacing: -0.08em;
  line-height: 1;
  margin-bottom: 1.5rem;
}

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

.hero-logo .logo-second {
  color: var(--color-warn);
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--color-text);
  margin-bottom: 0.75rem;
  font-weight: 400;
}

.hero-sub {
  font-size: 1rem;
  color: var(--color-text);
  opacity: 0.8;
  margin-bottom: 2.5rem;
}

#about {
  background-color: var(--color-surface);
}

.about-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

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

.about-lead {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-accent);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.about-body {
  color: var(--color-text);
  line-height: 1.8;
}

.about-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-box {
  background: var(--color-accent-light);
  border-left: 4px solid var(--color-accent);
  padding: 1.25rem 1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text);
}

#services {
  background-color: var(--color-bg);
}

.services-header {
  text-align: center;
  margin-bottom: 3rem;
}

.services-header p {
  max-width: 560px;
  margin: 0.75rem auto 0;
  color: var(--color-text);
}

.services-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: var(--color-surface);
  border: 1px solid rgba(0,48,73,0.18);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.service-card:hover {
  box-shadow: 0 6px 24px rgba(0,48,73,0.1);
  transform: translateY(-2px);
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
  color: var(--accent);
}

.service-icon svg {
  width: 2rem;
  height: 2rem;
  stroke-width: 1.5;
}

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

#contact {
  background-color: var(--color-surface);
}

.contact-inner {
  display: grid;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 768px) {
  .contact-inner {
    grid-template-columns: 1fr 1.5fr;
  }
}

.contact-intro h2 {
  margin-bottom: 1rem;
}

.contact-intro p {
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  font-size: 0.95rem;
}

.contact-detail-item span:first-child {
  font-size: 1.2rem;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-detail-item svg {
  width: 1.2rem;
  height: 1.2rem;
  stroke-width: 1.5;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-row {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 480px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
}

.required-mark {
  color: var(--color-warn);
  margin-left: 0.15rem;
}

input, textarea, select {
  font-family: var(--font);
  font-size: 1rem;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid rgba(0,48,73,0.2);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-accent);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0,48,73,0.12);
}

textarea {
  resize: vertical;
  min-height: 130px;
}

#form-success {
  display: none;
  background: rgba(0,48,73,0.08);
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  color: var(--color-accent);
  font-weight: 500;
}

#form-error {
  display: none;
  background: rgba(193,18,31,0.08);
  border: 1.5px solid var(--color-warn);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  color: var(--color-warn);
  font-weight: 500;
}

footer {
  background-color: var(--color-text);
  color: var(--color-bg);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-logo {
  font-family: monospace;
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: -0.08em;
}

.footer-logo .logo-first {
  color: var(--color-accent);
}

.footer-logo .logo-second {
  color: var(--color-warn);
}

.footer-copy {
  font-size: 0.85rem;
  opacity: 0.7;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--color-bg);
  font-size: 0.85rem;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-bg);
}

#clients {
  background-color: var(--color-bg);
}

.clients-header {
  text-align: center;
  margin-bottom: 3rem;
}

.clients-grid {
  display: grid;
  gap: 1.5rem;
  max-width: 720px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.client-card {
  background: var(--color-surface);
  border: 1px solid rgba(0,48,73,0.18);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}

.client-card:hover {
  box-shadow: 0 6px 24px rgba(0,48,73,0.1);
  transform: translateY(-2px);
}

.client-logo {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.client-logo img {
  max-height: 48px;
  width: auto;
  object-fit: contain;
  filter: grayscale(1) opacity(0.8);
  transition: filter var(--transition);
}

.client-card:hover .client-logo img {
  filter: grayscale(0) opacity(1);
}

.client-card h3 {
  margin-bottom: 0.5rem;
}

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

#rescue {
  background-color: var(--color-accent);
}

#rescue .section-label {
  color: var(--color-warn);
}

#rescue h2,
.rescue-lead {
  color: var(--color-bg);
}

.rescue-lead {
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.rescue-body {
  color: rgba(253,240,213,0.75);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.rescue-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 2rem;
}

.rescue-symptoms {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .rescue-symptoms {
    grid-template-columns: repeat(3, 1fr);
  }
}

.rescue-symptom {
  border-left: 4px solid var(--color-warn);
  padding: 1rem 1.25rem;
  background: rgba(255,255,255,0.06);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-bg);
  font-size: 0.95rem;
  font-weight: 600;
}

.rescue-cta {
  text-align: center;
}

.btn-rescue {
  background-color: var(--color-warn);
  color: var(--color-bg);
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  display: inline-block;
  transition: background var(--transition), transform var(--transition);
}

.btn-rescue:hover {
  background-color: var(--color-bg);
  color: var(--color-accent);
  transform: translateY(-1px);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--color-bg);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

@media (max-width: 767px) {
  .hamburger {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-accent);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 0.9rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
}