/* ============================================================
   K & V Medical — Landing Page Styles
   Mobile-first, brand-consistent
   ============================================================ */

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

:root {
  --green-dark:   #1b4332;
  --green-mid:    #2d6a4f;
  --green-light:  #74c69d;
  --green-pale:   #d8f3dc;
  --lime:         #95d44a;
  --gold:         #e9c46a;
  --gold-dark:    #c89a2a;
  --blue:         #1d6fa4;
  --blue-light:   #d0e8f5;
  --cream:        #f8f4ec;
  --mauve:        #c9a0a0;
  --text-dark:    #1a1a1a;
  --text-mid:     #3d3d3d;
  --text-muted:   #6b7280;
  --white:        #ffffff;
  --radius:       10px;
  --shadow:       0 4px 18px rgba(0,0,0,.10);
  --shadow-sm:    0 2px 8px rgba(0,0,0,.07);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text-dark);
  background: var(--cream);
  line-height: 1.6;
}

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

/* --- Utility ---------------------------------------------- */
.container {
  width: min(100%, 1100px);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.section-title {
  display: inline-block;
  background: var(--gold);
  color: var(--green-dark);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .35rem 1.1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.btn {
  display: inline-block;
  padding: .75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: filter .2s, transform .15s;
  border: none;
}
.btn:hover { filter: brightness(1.1); transform: translateY(-1px); }

.btn-primary {
  background: var(--green-dark);
  color: var(--white);
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}
.btn-gold {
  background: var(--gold);
  color: var(--green-dark);
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--green-dark);
  box-shadow: 0 2px 10px rgba(0,0,0,.25);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: .75rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.nav__logo img {
  height: 48px;
  width: 48px;
  object-fit: contain;
  border-radius: 50%;
  background: var(--white);
  padding: 3px;
}
.nav__logo-text {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
}
.nav__logo-text span {
  display: block;
  font-size: .7rem;
  font-weight: 400;
  color: var(--green-light);
  letter-spacing: .04em;
}

.nav__links {
  display: none;
  list-style: none;
  gap: 1.75rem;
}
.nav__links a {
  color: #c8e6c9;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .03em;
  transition: color .2s;
}
.nav__links a:hover { color: var(--white); }

.nav__cta {
  display: none;
}

/* Hamburger */
.nav__burger {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  flex-direction: column;
  background: var(--green-mid);
  padding: 1rem 1.25rem 1.25rem;
  gap: .25rem;
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  color: #c8e6c9;
  font-weight: 600;
  padding: .55rem 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  font-size: .95rem;
}
.nav__mobile a:last-child { border-bottom: none; }
.nav__mobile .btn {
  margin-top: .75rem;
  text-align: center;
  width: 100%;
}

@media (min-width: 768px) {
  .nav__links { display: flex; }
  .nav__cta   { display: block; }
  .nav__burger { display: none; }
  .nav__mobile { display: none !important; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-mid) 60%, #3a7d5a 100%);
  color: var(--white);
  padding-block: 4rem 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 999px;
  padding: .3rem .9rem;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: .75rem;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.12;
  margin-bottom: .75rem;
}
.hero__title em {
  font-style: normal;
  color: var(--gold);
}

.hero__sub {
  font-size: 1.1rem;
  color: #b7dfc8;
  margin-bottom: 1.75rem;
  max-width: 520px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* Badges */
.hero__badges {
  display: grid;
  grid-template-columns: 1fr;
  gap: .9rem;
  margin-top: .5rem;
}

.badge {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(4px);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.badge__icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}
.badge__text strong {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  color: var(--gold);
}
.badge__text span {
  font-size: .82rem;
  color: #c8e6c9;
}

@media (min-width: 480px) {
  .hero__badges { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 768px) {
  .hero__badges { grid-template-columns: repeat(3, 1fr); }
  .hero__inner  { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  background: var(--white);
  padding-block: 4rem;
}

.services__grid {
  display: grid;
  gap: 2.5rem;
}

.services__col h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 1.25rem;
}

.checklist {
  list-style: none;
  display: grid;
  gap: .55rem;
}
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  font-size: .95rem;
  color: var(--text-mid);
  padding: .5rem .75rem;
  background: var(--green-pale);
  border-radius: 6px;
  border-left: 3px solid var(--green-mid);
}
.checklist li::before {
  content: '✓';
  color: var(--green-mid);
  font-weight: 800;
  flex-shrink: 0;
  margin-top: .05em;
}

@media (min-width: 768px) {
  .services__grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   OCCUPATIONAL HEALTH
   ============================================================ */
.occ-health {
  background: var(--green-dark);
  color: var(--white);
  padding-block: 4rem;
}

.occ-health .section-title {
  background: var(--gold);
  color: var(--green-dark);
}

.occ-health__intro {
  color: #b7dfc8;
  margin-bottom: 2rem;
  max-width: 640px;
  font-size: .98rem;
}

.occ-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.occ-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: background .2s;
}
.occ-card:hover { background: rgba(255,255,255,.12); }
.occ-card__icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 2.4rem;
  text-align: center;
}
.occ-card__text {
  font-size: .9rem;
  color: #d4ede0;
  font-weight: 500;
}

@media (min-width: 560px) {
  .occ-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   WHY CHOOSE US
   ============================================================ */
.why {
  background: var(--cream);
  padding-block: 4rem;
}

.why__grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.why-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.why-card__icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--green-pale);
  display: flex;
  align-items: center;
  justify-content: center;
}
.why-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: .3rem;
}
.why-card p {
  font-size: .88rem;
  color: var(--text-muted);
}

@media (min-width: 560px) {
  .why__grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .why__grid { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   ADVERTS / GALLERY STRIP
   ============================================================ */
.adverts {
  padding-block: 3rem;
  background: var(--green-pale);
}

.adverts__grid {
  display: grid;
  gap: 1.25rem;
}
.adverts__grid img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  object-fit: cover;
  max-height: 340px;
}

@media (min-width: 640px) {
  .adverts__grid { grid-template-columns: 1fr 1fr; }
  .adverts__grid img { max-height: 400px; }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  background: var(--white);
  padding-block: 4rem;
}

.contact__grid {
  display: grid;
  gap: 2.5rem;
  margin-top: 1.5rem;
}

.contact-info__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
}
.contact-info__icon {
  font-size: 1.3rem;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--green-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info__label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
}
.contact-info__value {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text-dark);
}
.contact-info__value a {
  color: var(--blue);
  text-decoration: underline;
}

.payment-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--blue-light);
  color: var(--blue);
  border-radius: 6px;
  padding: .4rem .85rem;
  font-size: .82rem;
  font-weight: 700;
  margin-top: .25rem;
}

/* QR block */
.qr-block {
  background: var(--green-pale);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}
.qr-block img {
  margin-inline: auto;
  max-width: 160px;
  border-radius: 8px;
}
.qr-block p {
  margin-top: .75rem;
  font-size: .85rem;
  color: var(--text-muted);
}
.qr-block strong { color: var(--green-dark); }

/* Social links */
.social-links {
  display: flex;
  gap: .75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}
.social-link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .5rem 1rem;
  border-radius: 6px;
  font-size: .85rem;
  font-weight: 700;
  transition: filter .2s, transform .15s;
}
.social-link:hover { filter: brightness(.9); transform: translateY(-1px); }
.social-link--fb  { background: #1877f2; color: var(--white); }
.social-link--ig  { background: #e1306c; color: var(--white); }
.social-link--wa  { background: #25d366; color: var(--white); }

@media (min-width: 768px) {
  .contact__grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--green-dark);
  color: #a7c5b3;
  text-align: center;
  padding: 1.5rem 1.25rem;
  font-size: .82rem;
  line-height: 1.8;
}
.footer strong { color: var(--white); }
.footer a { color: var(--green-light); text-decoration: underline; }