/* DrainCo — Main Stylesheet */

:root {
  --green:      #22c55e;
  --green-dark: #16a34a;
  --grey-50:    #f0f2f5;
  --grey-100:   #e8eaed;
  --grey-200:   #d8dce2;
  --grey-300:   #d1d5db;
  --grey-500:   #6b7280;
  --grey-700:   #374151;
  --grey-900:   #111827;
  --white:      #ffffff;
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.10);
  --radius:     8px;
  --max-width:  1100px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  color: var(--grey-900);
  background: var(--white);
  line-height: 1.6;
}

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

/* ── TOP BAR ── */
.topbar {
  background: var(--green);
  text-align: center;
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}
.topbar a { color: var(--white); text-decoration: underline; }

/* ── NAV ── */
.nav {
  background: var(--white);
  border-bottom: 1px solid var(--grey-200);
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.nav-logo img { height: 48px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--grey-700);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--green-dark); }
.nav-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; color: var(--grey-700); }

.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  padding-top: 8px;
  background: transparent;
  z-index: 200;
}
.nav-dropdown-menu-inner {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 180px;
  overflow: hidden;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--grey-100);
}
.nav-dropdown-menu a:last-child { border-bottom: none; }
.nav-dropdown-menu a:hover { background: var(--grey-50); color: var(--green-dark); }

.nav-cta {
  background: var(--green);
  color: var(--white) !important;
  padding: 9px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--green-dark) !important; color: var(--white) !important; }

/* ── LAYOUT ── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; }
.section-sm { padding: 48px 0; }
.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 8px;
}
.section-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  color: var(--grey-900);
  line-height: 1.2;
  margin-bottom: 12px;
}
.section-sub {
  font-size: 16px;
  color: var(--grey-500);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 40px;
}

/* ── HERO ── */
.hero {
  background: var(--grey-50);
  border-bottom: 1px solid var(--grey-200);
  padding: 72px 0 64px;
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 56px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #dcfce7;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--grey-900);
  margin-bottom: 16px;
}
.hero h1 span { color: var(--green-dark); }
.hero-desc {
  font-size: 17px;
  color: var(--grey-500);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: var(--white);
  padding: 13px 26px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  text-decoration: none;
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-1px); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  color: var(--grey-700);
  padding: 13px 26px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  border: 1px solid var(--grey-300);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.1s;
  text-decoration: none;
}
.btn-secondary:hover { border-color: var(--green); color: var(--green-dark); transform: translateY(-1px); }

/* ── HERO CARD ── */
.hero-card {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.hero-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--grey-900);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--grey-100);
}
.hero-stat {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--grey-100);
}
.hero-stat:last-child { border-bottom: none; padding-bottom: 0; }
.hero-stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--green-dark);
  min-width: 64px;
}
.hero-stat-label { font-size: 14px; color: var(--grey-500); line-height: 1.4; }

/* ── TRUST BAR ── */
.trust-bar {
  background: var(--green);
  padding: 14px 24px;
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
}

/* ── SERVICE CARDS ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
  text-decoration: none;
  display: block;
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--green);
  transform: translateY(-2px);
}
.service-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  background: var(--grey-100);
}
.service-card-body {
  padding: 20px;
}
.service-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--grey-200);
  margin-bottom: 8px;
  line-height: 1;
}
.service-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--grey-900);
  margin-bottom: 8px;
}
.service-card p { font-size: 13px; color: var(--grey-500); line-height: 1.6; margin-bottom: 14px; }
.service-link { font-size: 13px; font-weight: 600; color: var(--green-dark); }

/* ── COMMITMENT SECTION ── */
.commitment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.commitment-points { display: flex; flex-direction: column; gap: 16px; margin-top: 8px; }
.commitment-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--grey-50);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius);
}
.commitment-icon {
  width: 36px; height: 36px;
  background: #dcfce7;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.commitment-point h4 { font-size: 14px; font-weight: 600; color: var(--grey-900); margin-bottom: 2px; }
.commitment-point p { font-size: 13px; color: var(--grey-500); line-height: 1.5; }

/* CTA CARD */
.cta-card {
  background: var(--grey-50);
  border: 1px solid var(--grey-200);
  border-radius: 12px;
  padding: 36px;
  text-align: center;
}
.cta-card h3 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.cta-card p { font-size: 14px; color: var(--grey-500); margin-bottom: 24px; line-height: 1.7; }
.cta-card .phone-big {
  font-size: 30px;
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 20px;
  display: block;
  text-decoration: none;
}
.cta-card .phone-big:hover { color: var(--green); }
.cta-card .area-label { font-size: 13px; color: var(--grey-500); margin-top: 16px; }

/* ── PROCESS STEPS ── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.process-step { text-align: center; }
.step-num {
  width: 52px; height: 52px;
  background: var(--green);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; color: var(--white);
  margin: 0 auto 16px;
}
.process-step h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 13px; color: var(--grey-500); line-height: 1.6; }

/* ── CONTACT FORM ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; }
.contact-icon {
  width: 40px; height: 40px;
  background: #dcfce7;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.contact-item h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--grey-500); margin-bottom: 3px; }
.contact-item p, .contact-item a { font-size: 15px; color: var(--grey-900); line-height: 1.5; }
.contact-item a:hover { color: var(--green-dark); }

.form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form input, .form textarea, .form select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--grey-300);
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: var(--grey-900);
  background: var(--white);
  outline: none;
  transition: border-color 0.2s;
}
.form input:focus, .form textarea:focus, .form select:focus { border-color: var(--green); }
.form textarea { height: 120px; resize: none; }
.form-msg { padding: 12px 16px; border-radius: var(--radius); font-size: 14px; }
.form-success { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
.form-error { background: #fee2e2; color: #dc2626; border: 1px solid #fecaca; }

/* ── SERVICE AREA ── */
.area-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  margin-top: 32px;
}
.area-item {
  background: var(--grey-50);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--grey-700);
  font-weight: 500;
}

/* ── SERVICE DETAIL PAGE ── */
.service-hero {
  background: var(--grey-50);
  border-bottom: 1px solid var(--grey-200);
  padding: 56px 0;
}
.service-content { max-width: 720px; }
.service-content p { font-size: 16px; color: var(--grey-700); line-height: 1.8; margin-bottom: 20px; }

/* ── FOOTER ── */
.footer {
  background: var(--grey-900);
  color: var(--white);
  padding: 56px 0 0;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo { height: 40px; width: auto; margin-bottom: 16px; }
.footer-desc { font-size: 13px; color: #9ca3af; line-height: 1.7; margin-bottom: 12px; }
.footer-licence { font-size: 12px; color: #6b7280; line-height: 1.7; }
.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 16px;
}
.footer-col a, .footer-col p {
  display: block;
  font-size: 13px;
  color: #9ca3af;
  margin-bottom: 8px;
  line-height: 1.5;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  color: #6b7280;
}
.footer-bottom a { color: var(--green); }
.footer-bottom a:hover { color: #4ade80; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-card { display: none; }
  .commitment-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .nav { padding: 14px 20px; }
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--grey-200);
    padding: 16px 20px;
    gap: 16px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-dropdown-menu { position: static; box-shadow: none; border: none; padding-left: 12px; }
  .nav-dropdown:hover .nav-dropdown-menu { display: block; }
  .trust-bar { gap: 16px; }
  .footer-inner { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
}