/* ============================================================
   CSS Custom Properties
   ============================================================ */
:root {
  --color-primary:        #2A7FBD;
  --color-primary-dark:   #1E6BA0;
  --color-primary-light:  #EBF5FC;
  --color-secondary:      #4CAF8A;
  --color-secondary-dark: #3A9B76;
  --color-bg:             #F4F8FB;
  --color-bg-alt:         #EBF4FA;
  --color-white:          #FFFFFF;
  --color-text:           #1E2D3D;
  --color-text-muted:     #5A7080;
  --color-border:         #D0E4F0;
  --color-sale-bg:        #E8F7F0;
  --color-sale-text:      #2E7D5A;

  --font-family: 'Poppins', system-ui, -apple-system, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 4px rgba(42, 127, 189, 0.08);
  --shadow-md: 0 4px 16px rgba(42, 127, 189, 0.12);
  --shadow-lg: 0 8px 32px rgba(42, 127, 189, 0.16);

  --header-height: 70px;
  --container-max: 1100px;
  --section-padding: 64px 20px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  text-decoration: underline;
}

ul {
  list-style: none;
}

/* ============================================================
   Layout
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: var(--section-padding);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

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

/* ============================================================
   Typography
   ============================================================ */
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-block;
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color 0.2s, transform 0.15s, box-shadow 0.2s;
  text-decoration: none;
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: var(--color-white);
}

.btn-lg {
  font-size: 1.05rem;
  padding: 14px 36px;
}

/* ============================================================
   Header & Navigation
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 16px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover {
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.logo-sub {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Hamburger toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: background-color 0.15s;
}

.nav-toggle:hover {
  background-color: var(--color-primary-light);
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
  transform-origin: center;
}

.nav-toggle.open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Nav links — mobile (hidden by default) */
.nav-links {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: 16px 20px;
}

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

.nav-links ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-links a {
  display: block;
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color 0.15s, color 0.15s;
  text-decoration: none;
}

.nav-links a:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-cta {
  background-color: var(--color-primary) !important;
  color: var(--color-white) !important;
  text-align: center;
  border-radius: var(--radius-full) !important;
  margin-top: 8px;
}

.nav-cta:hover {
  background-color: var(--color-primary-dark) !important;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a5f94 0%, #2A7FBD 50%, #3a9b8a 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(76, 175, 138, 0.3) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 64px;
  padding-bottom: 64px;
  max-width: 720px;
}

.hero-tagline {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.15);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.hero-headline {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.35;
  margin-bottom: 32px;
}

/* ============================================================
   Services & Pricing
   ============================================================ */
.services-grid, .addons-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 40px;
}

.service-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.service-card--featured {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 2px var(--color-secondary), var(--shadow-sm);
}

.sale-badge {
  display: inline-block;
  background-color: var(--color-sale-bg);
  color: var(--color-sale-text);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  align-self: center;
}

.service-icon {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.service-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.price-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.price-was {
  font-size: 1.4rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.price-now {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-secondary-dark);
}

.price-main {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* Add-ons */
.addons-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin-top: 48px;
  margin-bottom: 20px;
}

.addons-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 40px;
}

.services-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* ============================================================
   How It Works
   ============================================================ */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: 56px;
}

.step {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.step-connector {
  display: none;
}

.step-number {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.step-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* How We Clean */
.clean-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.clean-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.clean-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.clean-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.clean-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.clean-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* Before / After */
.before-after {
  text-align: center;
}

.before-after-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-text);
}

.before-after-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.ba-item {
  width: 100%;
  max-width: 340px;
}

.ba-arrow {
  font-size: 2rem;
  color: var(--color-secondary);
  font-weight: 700;
  transform: rotate(90deg);
}

.ba-label {
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 10px;
  text-align: center;
}

.before-label { color: var(--color-text-muted); }
.after-label  { color: var(--color-secondary-dark); }

/* ============================================================
   Image Placeholders
   ============================================================ */
.img-placeholder {
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--color-border);
}

.placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 20px;
  text-align: center;
}

.placeholder-icon {
  font-size: 2.5rem;
}

.placeholder-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.placeholder-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  opacity: 0.7;
}

.img-placeholder--before {
  background: linear-gradient(135deg, #f5e8e0, #ede0d4);
  aspect-ratio: 4 / 3;
  border-color: #d4b8a8;
}

.img-placeholder--after {
  background: linear-gradient(135deg, var(--color-primary-light), #d8f0e8);
  aspect-ratio: 4 / 3;
  border-color: var(--color-secondary);
}

.img-placeholder--portrait {
  background: linear-gradient(135deg, var(--color-primary-light), #d8f0e8);
  width: 100%;
  max-width: 320px;
  aspect-ratio: 3 / 4;
  margin: 0 auto;
}

/* ============================================================
   About
   ============================================================ */
.about-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.about-image-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
}

.about-photo {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin: 0 auto;
}

.about-text {
  max-width: 600px;
}

.about-heading {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-text);
}

.about-text p {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-sig {
  font-style: italic;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 8px;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.faq-item[open] {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  user-select: none;
  gap: 12px;
}

.faq-question::-webkit-details-marker { display: none; }

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-item[open] .faq-question {
  color: var(--color-primary);
}

.faq-answer {
  padding: 0 20px 18px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}

.faq-answer a {
  color: var(--color-primary);
}

/* ============================================================
   Book Now
   ============================================================ */
.book-now-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, #3a9b8a 100%);
}

.book-now-section .section-title {
  color: var(--color-white);
}

.book-now-inner {
  max-width: 560px;
  margin: 0 auto;
}

.book-now-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.88);
  margin-bottom: 32px;
}

.book-now-section .btn-primary {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.book-now-section .btn-primary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.coming-soon-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.25);
}

.coming-soon-icon {
  font-size: 1.1rem;
}

/* ============================================================
   Contact
   ============================================================ */
.contact-sub {
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.contact-email-link {
  display: inline-block;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: background-color 0.2s, transform 0.15s;
  word-break: break-all;
  text-decoration: none;
}

.contact-email-link:hover {
  background-color: #d4eaf8;
  transform: translateY(-1px);
  text-decoration: none;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background-color 0.2s, border-color 0.2s, transform 0.15s;
  text-decoration: none;
}

.social-link:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
  text-decoration: none;
}

.social-icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background-color: var(--color-text);
  color: rgba(255,255,255,0.8);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 48px 20px 32px;
  align-items: center;
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  font-style: italic;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: center;
}

.footer-links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--color-white);
  text-decoration: none;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  transition: background-color 0.2s;
}

.footer-social a:hover {
  background: rgba(255,255,255,0.2);
}

.footer-social svg {
  width: 16px;
  height: 16px;
  fill: rgba(255,255,255,0.8);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 16px 20px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* ============================================================
   Medium screens (640px+)
   ============================================================ */
@media (min-width: 640px) {
  :root {
    --section-padding: 80px 20px;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero-headline {
    font-size: 2rem;
  }

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

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .before-after-grid {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 24px;
  }

  .ba-arrow {
    transform: none;
  }

  .ba-item {
    max-width: 280px;
  }
}

/* ============================================================
   Large screens (900px+)
   ============================================================ */
@media (min-width: 900px) {

  /* How We Clean */
  .clean-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Nav — show horizontal */
  .nav-toggle {
    display: none;
  }

  .nav-links {
    display: block !important;
    position: static;
    border: none;
    box-shadow: none;
    padding: 0;
    background: none;
  }

  .nav-links ul {
    flex-direction: row;
    align-items: center;
    gap: 4px;
  }

  .nav-links a {
    padding: 8px 14px;
    font-size: 0.88rem;
  }

  .nav-cta {
    margin-top: 0;
  }

  /* Hero */
  .hero-headline {
    font-size: 2.4rem;
  }

  /* Services */
  .services-grid, .addons-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Steps */
  .steps-grid {
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    align-items: start;
    gap: 0;
  }

  .step-connector {
    display: flex;
    align-items: flex-start;
    padding-top: 26px;
    color: var(--color-border);
    font-size: 1.5rem;
  }

  .step-connector::after {
    content: '→';
    color: var(--color-secondary);
    font-size: 1.4rem;
    font-weight: 300;
  }

  /* About */
  .about-inner {
    flex-direction: row;
    align-items: flex-start;
    gap: 60px;
  }

  .about-image-wrap {
    flex-shrink: 0;
    width: 280px;
  }

  .img-placeholder--portrait,
  .about-photo {
    max-width: 100%;
    margin: 0;
  }

  /* Footer */
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    text-align: left;
  }
}

/* ============================================================
   Extra large (1100px+)
   ============================================================ */
@media (min-width: 1100px) {
  .hero-headline {
    font-size: 2.75rem;
  }
}