/* ============================================
   CROSBY PLUMBING & WATER TREATMENT
   Warm & Friendly — Plum + Amber Palette
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --plum-deep: #4A0E4E;
  --plum: #7B2D8E;
  --plum-light: #A855C4;
  --plum-soft: #E8D5F0;
  --plum-bg: #FAF5FC;
  --amber: #D4880F;
  --amber-light: #F5B731;
  --amber-soft: #FEF3D5;
  --amber-warm: #FFF8E7;
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-500: #9E9E9E;
  --gray-700: #616161;
  --gray-900: #212121;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(74, 14, 78, 0.06);
  --shadow-md: 0 4px 20px rgba(74, 14, 78, 0.10);
  --shadow-lg: 0 8px 40px rgba(74, 14, 78, 0.14);
  --shadow-xl: 0 16px 60px rgba(74, 14, 78, 0.18);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: 'Nunito', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-900);
  background: var(--white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  color: var(--plum-deep);
}

/* --- Section Layout --- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--plum);
  background: var(--plum-soft);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray-700);
  line-height: 1.8;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-light) 100%);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(212, 136, 15, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 136, 15, 0.45);
}

.btn-secondary {
  background: var(--white);
  color: var(--plum);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-nav {
  background: var(--plum);
  color: var(--white);
  padding: 10px 22px;
  font-size: 0.88rem;
}

.btn-nav:hover {
  background: var(--plum-deep);
  transform: translateY(-1px);
}

.btn-white {
  background: var(--white);
  color: var(--plum);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--plum);
}

.btn-full {
  width: 100%;
  justify-content: center;
  padding: 16px 28px;
  font-size: 1rem;
}

.btn-mobile-call {
  display: block;
  text-align: center;
  margin-top: 16px;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--plum-soft);
  transition: var(--transition);
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--plum-deep);
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  color: var(--plum);
}

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

.nav-links a:not(.btn) {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-700);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-links a:not(.btn):hover {
  color: var(--plum);
  background: var(--plum-bg);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--plum);
}

.hamburger {
  width: 26px;
  height: 26px;
}

/* --- Mobile Menu --- */
.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(74, 14, 78, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu {
  position: absolute;
  top: 72px;
  right: 0;
  width: 280px;
  background: var(--white);
  padding: 24px;
  border-radius: 0 0 0 var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-overlay.active .mobile-menu {
  transform: translateX(0);
}

.mobile-link {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--gray-700);
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}

.mobile-link:hover {
  color: var(--plum);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #4A0E4E 0%, #7B2D8E 35%, #A855C4 60%, #D4880F 100%);
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 600px at 20% 80%, rgba(212, 136, 15, 0.3) 0%, transparent 70%),
    radial-gradient(ellipse 400px 400px at 80% 20%, rgba(168, 85, 196, 0.4) 0%, transparent 70%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(255,255,255,0.04) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px, 40px 40px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.1;
}

.text-amber {
  color: var(--amber-light);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-trust {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.8);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
}

.trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--amber-light);
}

.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  z-index: 2;
  line-height: 0;
}

.hero-wave svg {
  width: 100%;
  height: 80px;
}

/* --- Services --- */
.services {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--plum) 0%, var(--amber) 100%);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--plum-soft);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 56px;
  height: 56px;
  background: var(--plum-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--plum) 0%, var(--plum-light) 100%);
}

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

.service-card:hover .service-icon svg {
  color: var(--white);
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--plum-deep);
}

.service-card p {
  font-size: 0.92rem;
  color: var(--gray-700);
  line-height: 1.7;
}

/* --- About --- */
.about {
  background: var(--plum-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

.about-image-accent {
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-light) 100%);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about-content .section-tag {
  margin-bottom: 16px;
}

.about-content .section-title {
  margin-bottom: 20px;
}

.about-content p {
  color: var(--gray-700);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-stats {
  display: flex;
  gap: 32px;
  margin: 28px 0 32px;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--plum);
  line-height: 1;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--gray-500);
  font-weight: 500;
  margin-top: 4px;
}

/* --- Water Treatment --- */
.water-treatment {
  background: var(--white);
}

.water-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.water-content .section-tag {
  margin-bottom: 16px;
}

.water-content .section-title {
  margin-bottom: 20px;
}

.water-desc {
  color: var(--gray-700);
  line-height: 1.8;
  margin-bottom: 28px;
}

.water-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.water-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.6;
}

.water-features svg {
  width: 20px;
  height: 20px;
  color: var(--amber);
  flex-shrink: 0;
  margin-top: 2px;
}

.water-features strong {
  color: var(--plum-deep);
}

.water-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
}

.water-image img {
  width: 100%;
  height: 560px;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

/* --- Testimonials --- */
.testimonials {
  background: var(--plum-bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.testimonial-stars svg {
  width: 18px;
  height: 18px;
  color: var(--amber);
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--plum) 0%, var(--plum-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--white);
}

.author-name {
  font-size: 0.85rem;
  color: var(--gray-500);
  font-weight: 500;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--plum-deep) 0%, var(--plum) 50%, var(--plum-light) 100%);
  padding: 80px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 500px 500px at 70% 50%, rgba(212, 136, 15, 0.2) 0%, transparent 70%);
}

.cta-banner .container {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--white);
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Contact --- */
.contact {
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info .section-tag {
  margin-bottom: 16px;
}

.contact-info .section-title {
  margin-bottom: 16px;
}

.contact-desc {
  color: var(--gray-700);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 28px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--plum-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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

.contact-item strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--plum-deep);
  margin-bottom: 2px;
}

.contact-item p {
  font-size: 0.92rem;
  color: var(--gray-700);
}

.contact-item a {
  color: var(--plum);
  font-weight: 500;
  transition: var(--transition);
}

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

.contact-map {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.contact-form-wrapper {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 36px;
}

.contact-form h3 {
  font-size: 1.4rem;
  margin-bottom: 24px;
  color: var(--plum-deep);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--gray-900);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--plum-light);
  box-shadow: 0 0 0 3px rgba(168, 85, 196, 0.12);
}

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

.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  background: #E8F5E9;
  border: 1px solid #A5D6A7;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-top: 16px;
  color: #2E7D32;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
}

.form-success svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* --- Footer --- */
.footer {
  background: var(--plum-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 24px 0;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 14px;
}

.footer-logo svg {
  width: 26px;
  height: 26px;
  color: var(--amber-light);
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--amber-light);
}

.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  margin-bottom: 12px;
  line-height: 1.6;
}

.footer-contact svg {
  width: 18px;
  height: 18px;
  color: var(--amber-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.footer-contact a:hover {
  color: var(--amber-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    min-height: auto;
    padding: 140px 20px 100px;
  }

  .hero-title {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-trust {
    gap: 16px;
  }

  .section {
    padding: 70px 0;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .about-grid,
  .water-split,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image {
    order: -1;
  }

  .about-image img {
    height: 280px;
  }

  .water-image img {
    height: 320px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .contact-form-wrapper {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 120px 16px 80px;
  }

  .service-card {
    padding: 28px 22px;
  }

  .about-stats {
    gap: 20px;
  }
}