/* ========== EMERGENCY PLUMBING – MOBILE-FIRST ========== */
/* Blue/white palette, no external UI libraries */

:root {
  --blue-dark: #0d47a1;
  --blue-mid: #1565c0;
  --blue-light: #42a5f5;
  --blue-bg: #e3f2fd;
  --white: #ffffff;
  --gray-100: #f5f5f5;
  --gray-200: #eeeeee;
  --gray-700: #616161;
  --gray-900: #212121;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --radius: 8px;
  --max-width: 960px;
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--gray-900);
  background: var(--white);
}

/* ---------- HEADER ---------- */
.site-header {
  background: var(--blue-dark);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
}

/* Hamburger (mobile) */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--white);
  cursor: pointer;
}

.nav-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
  transform: translateY(0) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
  transform: translateY(0) rotate(-45deg);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
}

.hamburger::before {
  transform: translateY(-6px);
}

.hamburger::after {
  transform: translateY(6px);
}

/* Nav – hidden on mobile until toggled */
.main-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--blue-dark);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.main-nav.is-open {
  max-height: 280px;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0.5rem 1rem 1rem;
}

.main-nav li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.main-nav li:last-child {
  border-bottom: none;
}

.main-nav a {
  display: block;
  padding: 0.75rem 0;
  color: var(--white);
  text-decoration: none;
}

.nav-cta {
  font-weight: 600;
  color: var(--blue-light) !important;
}

/* ---------- HERO ---------- */
.hero {
  background: linear-gradient(135deg, var(--blue-mid) 0%, var(--blue-dark) 100%);
  color: var(--white);
  padding: 2.5rem 1rem 3rem;
  text-align: center;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-headline {
  margin: 0 0 1rem;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
}

.hero-subheadline {
  margin: 0 0 1.5rem;
  font-size: 1rem;
  opacity: 0.95;
  max-width: 32em;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block;
  padding: 1rem 1.75rem;
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-align: center;
  transition: background 0.2s ease, transform 0.1s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--white);
  color: var(--blue-dark);
}

.btn-primary:hover {
  background: var(--blue-bg);
}

.btn-secondary {
  background: var(--blue-mid);
  color: var(--white);
  width: 100%;
}

.btn-secondary:hover {
  background: var(--blue-dark);
}

.btn-call {
  min-width: 200px;
}

/* ---------- SECTIONS COMMON ---------- */
section {
  padding: 2.5rem 1rem;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  margin: 0 0 1.5rem;
  font-size: 1.5rem;
  color: var(--blue-dark);
  text-align: center;
}

/* ---------- SERVICES (CARDS) ---------- */
.services {
  background: var(--gray-100);
}

.service-cards {
  display: grid;
  gap: 1rem;
}

.service-card {
  background: var(--white);
  padding: 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.service-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  color: var(--blue-dark);
}

.service-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--gray-700);
}

/* ---------- TRUST ---------- */
.trust {
  background: var(--white);
}

.trust-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.trust-list li {
  padding: 0.75rem 0;
  padding-left: 1.75rem;
  position: relative;
}

.trust-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--blue-mid);
  font-weight: 700;
}

.pricing-disclaimer {
  margin: 0;
  font-size: 0.875rem;
  color: var(--gray-700);
  font-style: italic;
}

/* ---------- CONTACT ---------- */
.contact {
  background: var(--blue-bg);
}

.contact-intro {
  margin: 0 0 1rem;
  text-align: center;
}

.contact-phone {
  display: block;
  text-align: center;
  margin-bottom: 1.5rem;
}

.callback-form {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-intro {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
}

.callback-form label {
  display: block;
  margin-top: 1rem;
  margin-bottom: 0.25rem;
  font-weight: 600;
  font-size: 0.9375rem;
}

.callback-form input {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.callback-form input:focus {
  outline: 2px solid var(--blue-mid);
  outline-offset: 2px;
}

.callback-form button {
  margin-top: 1.25rem;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--blue-dark);
  color: var(--white);
  padding: 1.5rem 1rem;
  text-align: center;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.service-area {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  opacity: 0.9;
}

.copyright {
  margin: 0;
  font-size: 0.875rem;
  opacity: 0.85;
}

/* ---------- TABLET AND UP ---------- */
@media (min-width: 600px) {
  .nav-toggle {
    display: none;
  }

  .main-nav {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .main-nav ul {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0;
  }

  .main-nav li {
    border-bottom: none;
  }

  .main-nav a {
    padding: 0.5rem 0;
  }

  .hero-headline {
    font-size: 2.25rem;
  }

  .hero-subheadline {
    font-size: 1.125rem;
  }

  .service-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-title {
    font-size: 1.75rem;
  }
}

/* ---------- DESKTOP ---------- */
@media (min-width: 900px) {
  .header-inner {
    padding: 1rem 1.5rem;
  }

  .hero {
    padding: 3.5rem 1.5rem 4rem;
  }

  .hero-headline {
    font-size: 2.5rem;
  }

  section {
    padding: 3rem 1.5rem;
  }

  .service-cards {
    grid-template-columns: repeat(4, 1fr);
  }

  .callback-form {
    max-width: 28rem;
    margin: 0 auto;
  }
}