/* ============================================================
   THE GREENER CLEANER — GLOBAL STYLESHEET
   Colors: #1C1C1C (dark) | #3DD62A (green) | #FFFFFF (white)
   Fonts: Oswald (headings) | Montserrat (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;600;700&family=Montserrat:wght@400;500;600;700&display=swap');

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  color: #1C1C1C;
  background: #fff;
  line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.section-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #3DD62A;
  margin-bottom: 10px;
  display: block;
}

/* ===== COLORS ===== */
.bg-dark   { background: #111111; }
.bg-darker { background: #1C1C1C; }
.bg-light  { background: #F8F8F8; }
.bg-white  { background: #ffffff; }
.bg-green  { background: #3DD62A; }
.text-white { color: #ffffff; }
.text-green { color: #3DD62A; }
.text-dark  { color: #1C1C1C; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 15px 32px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 2px solid transparent;
}

.btn-green {
  background: #3DD62A;
  color: #111111;
  border-color: #3DD62A;
}
.btn-green:hover {
  background: #2fc21a;
  border-color: #2fc21a;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(61,214,42,0.35);
}

.btn-outline {
  background: transparent;
  color: #ffffff;
  border-color: #ffffff;
}
.btn-outline:hover {
  background: #ffffff;
  color: #111111;
  transform: translateY(-2px);
}

.btn-outline-green {
  background: transparent;
  color: #3DD62A;
  border-color: #3DD62A;
}
.btn-outline-green:hover {
  background: #3DD62A;
  color: #111111;
  transform: translateY(-2px);
}

/* ===== SECTION SHARED ===== */
.section { padding: 90px 0; }
.section-sm { padding: 60px 0; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

.section-title {
  font-size: clamp(32px, 4vw, 52px);
  margin-bottom: 16px;
}

.green-underline {
  display: inline-block;
  position: relative;
  padding-bottom: 10px;
}
.green-underline::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 60px; height: 4px;
  background: #3DD62A;
  border-radius: 2px;
}
.green-underline.center::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-subtitle {
  font-family: 'Montserrat', sans-serif;
  font-size: 17px;
  font-weight: 400;
  color: #555;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}
.section-subtitle.dark { color: #aaa; }

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

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: #1C1C1C;
  border-bottom: 2px solid #3DD62A;
  height: 70px;
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  font-family: 'Oswald', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.nav-brand span { color: #3DD62A; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #cccccc;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: #3DD62A; }

.nav-cta { margin-left: 12px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 26px; height: 3px;
  background: #ffffff;
  border-radius: 2px;
  transition: all 0.3s;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: #1C1C1C;
  border-bottom: 2px solid #3DD62A;
  padding: 24px 28px 32px;
  z-index: 999;
  flex-direction: column;
  gap: 20px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #cccccc;
  padding: 6px 0;
  border-bottom: 1px solid #333;
}
.mobile-menu a:hover { color: #3DD62A; }
.mobile-menu .btn { text-align: center; margin-top: 8px; }

/* Page offset for fixed navbar */
.page-top { padding-top: 70px; }

/* ===== HERO ===== */
.hero {
  background: #111111;
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://placehold.co/1920x1080/111111/333333?text=Commercial+Office+Cleaning+Houston');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero h1 {
  font-size: clamp(38px, 5.5vw, 72px);
  color: #ffffff;
  margin-bottom: 22px;
  line-height: 1.08;
}

.hero h1 span { color: #3DD62A; }

.hero-sub {
  font-size: 17px;
  color: #aaaaaa;
  margin-bottom: 38px;
  font-weight: 500;
  line-height: 1.65;
}

.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== TRUST BAR ===== */
.trust-bar {
  background: #1C1C1C;
  padding: 22px 0;
  border-bottom: 1px solid #2a2a2a;
}

.trust-bar .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
}

.trust-item .icon {
  color: #3DD62A;
  font-size: 20px;
  flex-shrink: 0;
}

.trust-item span {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #dddddd;
  letter-spacing: 0.04em;
}

/* ===== SERVICE CARDS ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.service-card {
  background: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 4px;
  padding: 36px 28px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: #3DD62A;
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(61,214,42,0.15);
  border-color: #3DD62A;
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  font-size: 42px;
  margin-bottom: 18px;
  display: block;
  line-height: 1;
}

.service-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: #1C1C1C;
}

.service-card p {
  font-size: 14.5px;
  color: #666;
  line-height: 1.7;
}

/* ===== WHY CHOOSE US ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 56px;
}

.why-block {
  background: #1a1a1a;
  padding: 44px 40px;
  border: 1px solid #222;
  transition: background 0.3s;
}
.why-block:hover { background: #202020; }

.why-icon {
  font-size: 38px;
  margin-bottom: 16px;
  display: block;
}

.why-block h3 {
  font-size: 22px;
  color: #ffffff;
  margin-bottom: 10px;
}

.why-block p {
  font-size: 15px;
  color: #999;
  line-height: 1.7;
}

/* ===== INDUSTRY CARDS ===== */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.industry-card {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  height: 280px;
  cursor: pointer;
}

.industry-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.industry-card:hover img { transform: scale(1.06); }

.industry-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 28px 24px;
  transition: all 0.3s;
}

.industry-card:hover .industry-overlay {
  box-shadow: inset 0 0 0 3px #3DD62A;
}

.industry-overlay h3 {
  font-size: 22px;
  color: #ffffff;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  background: #111111;
  padding: 80px 0;
  text-align: center;
}

.cta-banner h2 {
  font-size: clamp(26px, 3.5vw, 46px);
  color: #ffffff;
  margin-bottom: 28px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .sub {
  font-size: 14px;
  color: #777;
  margin-top: 16px;
  font-family: 'Montserrat', sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ===== FOOTER ===== */
footer {
  background: #111111;
  border-top: 3px solid #3DD62A;
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand {
  font-family: 'Oswald', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.footer-brand span { color: #3DD62A; }

.footer-tagline {
  font-size: 13px;
  color: #777;
  line-height: 1.7;
  margin-bottom: 0;
}

.footer-col h4 {
  font-size: 14px;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: 0.1em;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: #888;
  transition: color 0.2s;
  font-family: 'Montserrat', sans-serif;
}
.footer-col ul li a:hover { color: #3DD62A; }

.footer-contact p {
  font-size: 14px;
  color: #888;
  font-family: 'Montserrat', sans-serif;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.footer-bottom {
  border-top: 1px solid #222;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-bottom p {
  font-size: 13px;
  color: #555;
  font-family: 'Montserrat', sans-serif;
}

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  background: #111111;
  padding: 90px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(61,214,42,0.06) 0%, transparent 60%);
}

.page-hero .container { position: relative; z-index: 2; }

.page-hero h1 {
  font-size: clamp(36px, 5vw, 64px);
  color: #ffffff;
  margin-bottom: 14px;
}

.page-hero h1 span { color: #3DD62A; }

.page-hero p {
  font-size: 17px;
  color: #aaa;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
}

/* ===== ABOUT PAGE ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.two-col img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 4px;
}

.story-text h2 { margin-bottom: 20px; }

.story-text p {
  font-size: 15.5px;
  color: #555;
  line-height: 1.8;
  margin-bottom: 18px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.value-block {
  text-align: center;
  padding: 40px 28px;
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 4px;
  transition: border-color 0.3s;
}
.value-block:hover { border-color: #3DD62A; }

.value-icon {
  font-size: 44px;
  margin-bottom: 16px;
  display: block;
}

.value-block h3 {
  font-size: 24px;
  color: #ffffff;
  margin-bottom: 12px;
}

.value-block p {
  font-size: 14.5px;
  color: #888;
  line-height: 1.7;
}

.licensed-banner {
  background: #3DD62A;
  padding: 72px 0;
  text-align: center;
}

.licensed-banner h2 {
  font-size: clamp(24px, 3.5vw, 44px);
  color: #111111;
  margin-bottom: 18px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.licensed-banner p {
  font-size: 16px;
  color: #1C1C1C;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
  font-family: 'Montserrat', sans-serif;
}

/* ===== SERVICES PAGE ===== */
.service-detail {
  padding: 80px 0;
  border-bottom: 1px solid #eeeeee;
}

.service-detail:nth-child(even) { background: #F8F8F8; }

.service-detail .two-col { gap: 64px; }

.service-detail .two-col.reverse { direction: rtl; }
.service-detail .two-col.reverse > * { direction: ltr; }

.service-detail img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: 4px;
}

.service-detail-text h2 {
  font-size: clamp(28px, 3.5vw, 44px);
  margin-bottom: 10px;
}

.service-accent-line {
  width: 60px; height: 4px;
  background: #3DD62A;
  border-radius: 2px;
  margin: 16px 0 22px;
}

.service-detail-text p {
  font-size: 15.5px;
  color: #555;
  line-height: 1.8;
  margin-bottom: 20px;
}

.service-includes {
  margin-top: 8px;
}

.service-includes li {
  font-size: 15px;
  color: #444;
  font-family: 'Montserrat', sans-serif;
  padding: 7px 0 7px 22px;
  position: relative;
  border-bottom: 1px solid #eee;
}

.service-includes li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #3DD62A;
  font-weight: 700;
}

/* ===== CONTACT PAGE ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 72px;
  align-items: flex-start;
}

.contact-info h3 {
  font-size: 26px;
  margin-bottom: 28px;
  color: #1C1C1C;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 26px;
}

.contact-info-icon {
  width: 44px; height: 44px;
  background: #111;
  border: 2px solid #3DD62A;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-info-text strong {
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #1C1C1C;
  margin-bottom: 4px;
}

.contact-info-text span {
  font-size: 15px;
  color: #666;
  font-family: 'Montserrat', sans-serif;
}

/* Form */
.contact-form { }

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #444;
  margin-bottom: 7px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid #ddd;
  border-radius: 3px;
  font-family: 'Montserrat', sans-serif;
  font-size: 14.5px;
  color: #1C1C1C;
  background: #fff;
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #3DD62A;
  box-shadow: 0 0 0 3px rgba(61,214,42,0.15);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .hero { min-height: 85vh; }
  .hero h1 { font-size: 36px; }

  .trust-bar .container { grid-template-columns: repeat(2, 1fr); gap: 18px; }

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

  .two-col { grid-template-columns: 1fr; gap: 36px; }
  .service-detail .two-col.reverse { direction: ltr; }

  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }

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

  .hero-btns { flex-direction: column; }
  .hero-btns .btn { text-align: center; }
}

@media (max-width: 480px) {
  .trust-bar .container { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 30px; }
}