/* ==========================================================================
   Cleaner Network — Services Page
   Table of Contents:
   1. Font Face / Imports
   2. CSS Variables (Design Tokens)
   3. Reset & Base
   4. Utility Classes
   5. Header / Navigation
   6. Mobile Navigation
   7. Hero Section
   8. Services Section
   9. Service Cards
   10. CTA Section
   11. Important Note Box
   12. Trust & Verification Section
   13. Footer (minimal)
   14. Animations
   15. Responsive Media Queries
   ========================================================================== */

/* ==========================================================================
   1. Font Imports
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ==========================================================================
   2. CSS Variables (Design Tokens)
   ========================================================================== */
:root {
  /* Colors */
  --color-primary: #1a6b4a;
  --color-primary-dark: #14523a;
  --color-primary-light: #e8f3ee;
  --color-accent-green: #2f9e6f;
  --color-text-heading: #16241f;
  --color-text-body: #5b6b64;
  --color-text-muted: #7c8a84;
  --color-white: #ffffff;
  --color-bg-soft: #f4f7f6;
  --color-bg-section: #eef4f2;
  --color-border: #e5eae8;
  --color-warning-bg: #fdf6ec;
  --color-warning-border: #f3c98b;
  --color-warning-icon: #e7a13b;
  --color-star: #f5b83d;

  /* Typography */
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --fs-eyebrow: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --fs-h1: clamp(2rem, 1.6rem + 2vw, 3.25rem);
  --fs-h2: clamp(1.5rem, 1.35rem + 0.75vw, 2.0625rem);
  --fs-h3: clamp(1.125rem, 1.08rem + 0.2vw, 1.3125rem);
  --fs-body: clamp(0.9375rem, 0.92rem + 0.1vw, 1rem);
  --fs-small: clamp(0.8125rem, 0.8rem + 0.06vw, 0.875rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  /* Shadow */
  --shadow-sm: 0 2px 8px rgba(22, 36, 31, 0.06);
  --shadow-md: 0 8px 24px rgba(22, 36, 31, 0.08);
  --shadow-lg: 0 20px 45px rgba(22, 36, 31, 0.14);

  /* Layout */
  --max-width: 1200px;
  --transition-base: 0.25s ease;
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  color: var(--color-text-body);
  background-color: var(--color-white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.logo__icon {
    color: var(--color-green);
    font-size: 1.4rem;
    width: 139px;
    height: auto;
}

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4 {
  color: var(--color-text-heading);
  font-weight: 700;
  line-height: 1.15;
}

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

/* Visible keyboard focus */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--color-accent-green);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ==========================================================================
   4. Utility Classes
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 1rem + 1.5vw, 2.5rem);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: var(--fs-small);
  font-weight: 600;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
  white-space: nowrap;
  min-height: 44px;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--fs-small);
}

.link-arrow i {
  transition: transform var(--transition-base);
}

.link-arrow:hover i {
  transform: translateX(4px);
}

.eyebrow {
  display: inline-block;
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-heading {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-heading h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--space-sm);
}

.section-heading p {
  font-size: var(--fs-body);
  color: var(--color-text-muted);
}

.fade-in {
  animation: fadeInUp 0.7s ease both;
}

/* ==========================================================================
   5. Header / Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-text strong {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text-heading);
}

.logo-text span {
  font-size: 0.6rem;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 0.8rem + 1vw, 2rem);
}

.nav-list a {
  position: relative;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text-heading);
  padding-block: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color var(--transition-base);
}

.nav-list a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-list a:hover {
  color: var(--color-primary);
}

.nav-list a:hover::after {
  width: 100%;
}

.nav-list a.active {
  color: var(--color-primary);
}

.nav-list a.active::after {
  width: 100%;
}

.nav-list .has-dropdown i {
  font-size: 0.65rem;
  transition: transform var(--transition-base);
}

.nav-list .has-dropdown:hover i {
  transform: rotate(180deg);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  border-radius: 8px;
  z-index: 1100;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background-color: var(--color-text-heading);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   6. Mobile Navigation
   ========================================================================== */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(16, 26, 22, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base);
  z-index: 1050;
}

.mobile-nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: min(84vw, 340px);
  background-color: var(--color-white);
  z-index: 1090;
  transform: translateX(100%);
  transition: transform 0.35s ease;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  padding: var(--space-xl) var(--space-lg);
  overflow-y: auto;
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-lg);
}

.mobile-nav-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-bg-soft);
  font-size: 1.1rem;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-nav-list a {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-heading);
  padding: 0.85rem 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-list a.active {
  color: var(--color-primary);
}

.mobile-nav-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: var(--space-xl);
}

.mobile-nav-actions .btn {
  width: 100%;
}

/* ==========================================================================
   7. Hero Section
   ========================================================================== */
.hero {
  background-color: var(--color-bg-soft);
  padding-block: clamp(2rem, 1.5rem + 2vw, 3.5rem);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(1.5rem, 1rem + 3vw, 3.5rem);
}

.hero-content h1 {
  font-size: var(--fs-h1);
  margin-bottom: var(--space-md);
}

.hero-content h1 .highlight {
  color: var(--color-accent-green);
}

.hero-content p {
  font-size: var(--fs-body);
  color: var(--color-text-body);
  max-width: 46ch;
  margin-bottom: var(--space-xl);
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1rem, 0.8rem + 1vw, 2rem);
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text-heading);
}

.hero-feature i {
  color: var(--color-primary);
  font-size: 1rem;
}

.hero-image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 11;
  box-shadow: var(--shadow-md);
}

.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   8. Services Section
   ========================================================================== */
.services-section {
  padding-block: var(--space-3xl);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

/* ==========================================================================
   9. Service Cards
   ========================================================================== */
.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.service-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-media img {
  transform: scale(1.08);
}

.service-card-icon {
  position: absolute;
  left: var(--space-lg);
  bottom: -24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.service-card-body {
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-card-body h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-xs);
}

.service-card-body > p {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.service-feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.service-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: var(--fs-small);
  color: var(--color-text-body);
}

.service-feature-list i {
  color: var(--color-primary);
  font-size: 0.75rem;
  margin-top: 0.3rem;
  flex-shrink: 0;
}

/* ==========================================================================
   10. CTA Section
   ========================================================================== */
.cta-section {
  padding-inline: clamp(1.25rem, 1rem + 1.5vw, 2.5rem);
  padding-bottom: var(--space-2xl);
}

.cta-card {
  max-width: var(--max-width);
  margin-inline: auto;
  background-color: var(--color-bg-section);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  align-items: stretch;
}

.cta-image {
  position: relative;
  min-height: 100%;
  overflow: hidden;
}

.cta-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
}

.cta-content {
  padding: clamp(1.5rem, 1.2rem + 1.5vw, 2.75rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.cta-content h3 {
  font-size: var(--fs-h3);
  margin-bottom: 0.35rem;
}

.cta-content > p {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.cta-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.cta-step {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cta-step-icon {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1rem;
}

.cta-step-icon .badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-accent-green);
  color: var(--color-white);
  font-size: 0.6rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cta-step strong {
  font-size: var(--fs-small);
  color: var(--color-text-heading);
  font-weight: 700;
}

.cta-step span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

.cta-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

/* ==========================================================================
   11. Important Note Box
   ========================================================================== */
.note-section {
  padding-inline: clamp(1.25rem, 1rem + 1.5vw, 2.5rem);
  padding-bottom: var(--space-2xl);
}

.note-box {
  max-width: var(--max-width);
  margin-inline: auto;
  background-color: var(--color-warning-bg);
  border: 1.5px solid var(--color-warning-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.note-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--color-warning-icon);
  color: var(--color-warning-icon);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.note-box p {
  font-size: var(--fs-small);
  color: var(--color-text-body);
  line-height: 1.6;
}

.note-box strong {
  color: var(--color-text-heading);
}

/* ==========================================================================
   12. Trust & Verification Section
   ========================================================================== */
.trust-section {
  padding-bottom: var(--space-3xl);
  text-align: center;
}

.trust-section h2 {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-2xl);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.trust-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--color-bg-section);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.2rem;
}

.trust-item strong {
  font-size: var(--fs-small);
  color: var(--color-text-heading);
  font-weight: 700;
}

.trust-item span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   14. Animations
   ========================================================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.services-grid .service-card {
  animation: fadeInUp 0.6s ease both;
}

.services-grid .service-card:nth-child(1) { animation-delay: 0.02s; }
.services-grid .service-card:nth-child(2) { animation-delay: 0.08s; }
.services-grid .service-card:nth-child(3) { animation-delay: 0.14s; }
.services-grid .service-card:nth-child(4) { animation-delay: 0.2s; }
.services-grid .service-card:nth-child(5) { animation-delay: 0.26s; }
.services-grid .service-card:nth-child(6) { animation-delay: 0.32s; }

/* ==========================================================================
   15. Responsive Media Queries
   ========================================================================== */

/* Large desktops / wide screens */
@media (min-width: 1600px) {
  :root {
    --max-width: 1320px;
  }
}

/* Laptops / small desktops */
@media (max-width: 1200px) {
  .services-grid {
    gap: var(--space-lg);
  }
}

/* Tablet landscape */
@media (max-width: 1024px) {
  .cta-card {
    grid-template-columns: 0.8fr 1.6fr;
  }
  .cta-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet portrait */
@media (max-width: 992px) {
  .nav-list {
    gap: 1rem;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {
  .main-nav {
    display: none;
  }
  .header-actions .btn-outline {
    display: none;
  }
  .hamburger {
    display: flex;
  }
}

/* Tablet / large mobile */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content p {
    margin-inline: auto;
  }
  .hero-features {
    justify-content: center;
  }
  .hero-image-wrap {
    order: 2;
    aspect-ratio: 16 / 10;
  }
  .hero-content {
    order: 1;
  }
  .cta-card {
    grid-template-columns: 1fr;
  }
  .cta-image img {
    min-height: 200px;
  }
  .cta-footer {
    justify-content: flex-start;
  }
  .trust-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl) var(--space-md);
  }
}

/* Small tablet / large phone */
@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
  .cta-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .header-actions .btn-primary {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
  }
}

/* Mobile */
@media (max-width: 576px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .note-box {
    flex-direction: column;
  }
  .cta-footer {
    flex-direction: column;
    align-items: stretch;
  }
  .cta-footer .btn,
  .cta-footer .link-arrow {
    width: 100%;
    justify-content: center;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  :root {
    --space-3xl: 3rem;
    --space-2xl: 2.25rem;
  }
  .logo-text span {
    display: none;
  }
  .cta-steps {
    grid-template-columns: 1fr 1fr;
  }
  .hero-features {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }
}

/* Very small mobile */
@media (max-width: 360px) {
  .container {
    padding-inline: 1rem;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg) var(--space-sm);
  }
  .service-card-body {
    padding: var(--space-lg) var(--space-md) var(--space-md);
  }
}