/* ═══════════════════════════════════════════════════════════════════════════
   Dr. Vipin Kumar Pal Singh – Public Stylesheet
   Primary: #085458  |  Fonts: Inter Tight (headings) + Inter (body)
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  --drv-primary:       #085458;
  --drv-primary-dark:  #054043;
  --drv-primary-light: #e6f4f4;
  --drv-accent:        #10b981;
  --drv-text:          #1a2332;
  --drv-muted:         #6b7280;
  --drv-bg:            #f8fafb;
  --drv-white:         #ffffff;
  --drv-border:        #e5e7eb;
  --drv-radius:        12px;
  --drv-shadow:        0 4px 24px rgba(8,84,88,.10);
  --drv-shadow-lg:     0 12px 48px rgba(8,84,88,.16);
  --drv-transition:    .25s ease;
  --drv-font-head:     'Inter Tight', 'Inter', sans-serif;
  --drv-font-body:     'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--drv-font-body);
  color: var(--drv-text);
  background: var(--drv-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: var(--drv-primary); text-decoration: none; }
a:hover { color: var(--drv-primary-dark); }

/* ── Container ────────────────────────────────────────────────────────────── */
.drv-container {
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.drv-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  font-family: var(--drv-font-head);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--drv-transition), color var(--drv-transition), transform var(--drv-transition), box-shadow var(--drv-transition);
}
.drv-btn:hover { transform: translateY(-1px); }

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

.drv-btn--ghost { background: rgba(255,255,255,.12); color: var(--drv-white); border-color: rgba(255,255,255,.4); backdrop-filter: blur(4px); }
.drv-btn--ghost:hover { background: rgba(255,255,255,.22); color: var(--drv-white); }

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

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

.drv-btn--header { padding: 10px 20px; font-size: 14px; }
.drv-btn--sm     { padding: 8px 18px; font-size: 13px; }
.drv-btn--full   { width: 100%; justify-content: center; font-size: 16px; padding: 16px; }

/* ── Header ───────────────────────────────────────────────────────────────── */
.drv-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--drv-white);
  border-bottom: 1px solid var(--drv-border);
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}

.drv-header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}

.drv-logo { display: flex; flex-direction: column; line-height: 1.2; flex: 0 0 auto; }
.drv-logo__name { font-family: var(--drv-font-head); font-weight: 700; font-size: 16px; color: var(--drv-primary); }
.drv-logo__spec { font-size: 11px; color: var(--drv-muted); font-weight: 400; }

.drv-nav { margin-left: auto; }
.drv-nav__list { list-style: none; display: flex; gap: 4px; }
.drv-nav__list a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--drv-text);
  border-radius: 6px;
  transition: background var(--drv-transition), color var(--drv-transition);
}
.drv-nav__list a:hover,
.drv-nav__list a.active { background: var(--drv-primary-light); color: var(--drv-primary); }

.drv-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.drv-nav-toggle span { display: block; width: 24px; height: 2px; background: var(--drv-text); border-radius: 2px; transition: var(--drv-transition); }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.drv-hero {
  background: linear-gradient(135deg, var(--drv-primary) 0%, #0e7a80 60%, #1aa0a8 100%);
  padding: 80px 0 60px;
  overflow: hidden;
  position: relative;
}
.drv-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%3Ccircle cx='30' cy='30' r='15'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.drv-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}

.drv-badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,.3);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .5px;
  margin-bottom: 16px;
  backdrop-filter: blur(6px);
}

.drv-hero__title {
  font-family: var(--drv-font-head);
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 800;
  color: var(--drv-white);
  line-height: 1.1;
  margin-bottom: 8px;
}

.drv-hero__qual {
  font-size: 15px;
  color: rgba(255,255,255,.75);
  margin-bottom: 16px;
  font-weight: 500;
}

.drv-hero__desc {
  font-size: 16px;
  color: rgba(255,255,255,.85);
  margin-bottom: 28px;
  max-width: 460px;
}

.drv-hero__stats { display: flex; gap: 32px; margin-bottom: 32px; }
.drv-stat { display: flex; flex-direction: column; }
.drv-stat__num { font-family: var(--drv-font-head); font-size: 28px; font-weight: 800; color: var(--drv-white); }
.drv-stat__lbl { font-size: 12px; color: rgba(255,255,255,.7); }

.drv-hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }

.drv-hero__img-wrap { position: relative; display: flex; justify-content: center; }
.drv-hero__img-ring {
  width: 380px;
  height: 460px;
  border-radius: 40% 60% 60% 40% / 50% 50% 50% 50%;
  overflow: hidden;
  border: 4px solid rgba(255,255,255,.3);
  box-shadow: var(--drv-shadow-lg);
}
.drv-hero__img { width: 100%; height: 100%; object-fit: cover; object-position: top; }

.drv-hero__badge-card {
  position: absolute;
  bottom: 24px;
  left: -20px;
  background: var(--drv-white);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--drv-shadow-lg);
  font-size: 13px;
  min-width: 180px;
}
.drv-hero__badge-card span { font-size: 22px; }
.drv-hero__badge-card strong { display: block; font-size: 13px; color: var(--drv-primary); }
.drv-hero__badge-card small  { font-size: 11px; color: var(--drv-muted); }

/* ── Sections ─────────────────────────────────────────────────────────────── */
.drv-section { padding: 80px 0; }
.drv-section--alt { background: var(--drv-bg); }

.drv-section-head { text-align: center; margin-bottom: 48px; }
.drv-section-head h2 { font-family: var(--drv-font-head); font-size: clamp(24px,3vw,36px); font-weight: 700; color: var(--drv-text); margin-bottom: 10px; }
.drv-section-head p  { font-size: 16px; color: var(--drv-muted); max-width: 560px; margin-inline: auto; }
.drv-section-cta { text-align: center; margin-top: 40px; }

/* ── Page Hero ────────────────────────────────────────────────────────────── */
.drv-page-hero {
  background: linear-gradient(135deg, var(--drv-primary), #0e7a80);
  padding: 60px 0;
  text-align: center;
  color: #fff;
}
.drv-page-hero h1 { font-family: var(--drv-font-head); font-size: clamp(28px,4vw,44px); font-weight: 800; margin-bottom: 8px; }
.drv-page-hero p  { font-size: 16px; opacity: .8; }

/* ── Cards ────────────────────────────────────────────────────────────────── */
.drv-cards { display: grid; gap: 24px; }
.drv-cards--3 { grid-template-columns: repeat(3, 1fr); }

.drv-card {
  background: var(--drv-white);
  border-radius: var(--drv-radius);
  padding: 28px;
  border: 1px solid var(--drv-border);
  transition: box-shadow var(--drv-transition), transform var(--drv-transition);
}
.drv-card:hover { box-shadow: var(--drv-shadow); transform: translateY(-3px); }

.drv-card--service .drv-card__icon { font-size: 36px; margin-bottom: 14px; }
.drv-card--service .drv-card__icon--lg { font-size: 48px; }
.drv-card--service h3 { font-family: var(--drv-font-head); font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--drv-primary); }
.drv-card--service p  { font-size: 14px; color: var(--drv-muted); line-height: 1.6; }
.drv-card--tall { padding-bottom: 24px; display: flex; flex-direction: column; }
.drv-card--tall .drv-btn { margin-top: auto; padding-top: 16px; }

.drv-card--testimonial { background: var(--drv-primary-light); border-color: transparent; }
.drv-stars { color: #f59e0b; font-size: 16px; margin-bottom: 10px; }
.drv-card--testimonial p { font-size: 14px; color: var(--drv-text); font-style: italic; margin-bottom: 16px; }
.drv-testimonial__author { display: flex; flex-direction: column; }
.drv-testimonial__author strong { font-size: 14px; color: var(--drv-primary); }
.drv-testimonial__author small  { font-size: 12px; color: var(--drv-muted); }

.drv-card--blog { padding: 0; overflow: hidden; }
.drv-card__thumb { width: 100%; height: 200px; object-fit: cover; }
.drv-card__body  { padding: 20px; }
.drv-card__date  { font-size: 12px; color: var(--drv-muted); display: block; margin-bottom: 6px; }
.drv-card--blog h3 { font-family: var(--drv-font-head); font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.drv-card--blog h3 a { color: var(--drv-text); }
.drv-card--blog h3 a:hover { color: var(--drv-primary); }
.drv-card--blog p  { font-size: 13px; color: var(--drv-muted); margin-bottom: 12px; }
.drv-read-more { font-size: 13px; font-weight: 600; color: var(--drv-primary); }

/* ── About Strip ──────────────────────────────────────────────────────────── */
.drv-about-strip { padding: 80px 0; background: var(--drv-white); }
.drv-about-strip__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.drv-about-strip__text h2 { font-family: var(--drv-font-head); font-size: clamp(24px,3vw,36px); font-weight: 700; margin-bottom: 16px; color: var(--drv-text); }
.drv-about-strip__text p  { font-size: 15px; color: var(--drv-muted); margin-bottom: 20px; line-height: 1.7; }
.drv-about-strip__img img { border-radius: 20px; box-shadow: var(--drv-shadow-lg); width: 100%; height: 420px; object-fit: cover; }

/* ── Check list & Timeline ────────────────────────────────────────────────── */
.drv-check-list { list-style: none; margin-bottom: 24px; }
.drv-check-list li { position: relative; padding-left: 24px; margin-bottom: 8px; font-size: 14px; color: var(--drv-muted); }
.drv-check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--drv-accent); font-weight: 700; }

.drv-timeline { list-style: none; margin-bottom: 24px; }
.drv-timeline li {
  position: relative;
  padding: 10px 0 10px 20px;
  border-left: 2px solid var(--drv-primary-light);
  margin-left: 8px;
  font-size: 14px;
  color: var(--drv-muted);
}
.drv-timeline li::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 16px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--drv-primary);
}
.drv-timeline li strong { color: var(--drv-text); display: block; margin-bottom: 2px; }

/* ── About Detail ─────────────────────────────────────────────────────────── */
.drv-about-detail { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start; }
.drv-about-detail__imgs { position: relative; }
.drv-about-detail__main-img { border-radius: 16px; box-shadow: var(--drv-shadow-lg); width: 100%; }
.drv-about-detail__sub-img { border-radius: 12px; box-shadow: var(--drv-shadow); width: 60%; margin-top: -80px; margin-left: auto; border: 4px solid #fff; position: relative; z-index: 2; }
.drv-about-detail__content h2 { font-family: var(--drv-font-head); font-size: 28px; font-weight: 700; margin-bottom: 12px; color: var(--drv-primary); }
.drv-about-detail__content h3 { font-family: var(--drv-font-head); font-size: 18px; font-weight: 700; margin: 24px 0 12px; color: var(--drv-text); }
.drv-about-detail__content p  { font-size: 15px; color: var(--drv-muted); margin-bottom: 16px; line-height: 1.7; }

/* ── Stats Band ───────────────────────────────────────────────────────────── */
.drv-stats-band { background: var(--drv-primary); padding: 50px 0; }
.drv-stats-band__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.drv-stat-big__num { display: block; font-family: var(--drv-font-head); font-size: 40px; font-weight: 800; color: #fff; }
.drv-stat-big__lbl { display: block; font-size: 13px; color: rgba(255,255,255,.7); margin-top: 4px; }

/* ── CTA Band ─────────────────────────────────────────────────────────────── */
.drv-cta-band { background: var(--drv-primary); padding: 60px 0; }
.drv-cta-band__inner { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.drv-cta-band h2 { font-family: var(--drv-font-head); font-size: clamp(22px,3vw,32px); font-weight: 700; color: #fff; margin-bottom: 6px; }
.drv-cta-band p  { font-size: 15px; color: rgba(255,255,255,.8); }

/* ── Appointment Form ─────────────────────────────────────────────────────── */
.drv-appt-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: start; }
.drv-appt-info h2 { font-family: var(--drv-font-head); font-size: 26px; font-weight: 700; margin-bottom: 12px; color: var(--drv-primary); }
.drv-appt-info p  { font-size: 15px; color: var(--drv-muted); margin-bottom: 16px; line-height: 1.7; }
.drv-appt-contact-card { background: var(--drv-primary-light); border-radius: 10px; padding: 16px 20px; font-size: 14px; color: var(--drv-text); margin-top: 16px; }
.drv-appt-contact-card p { margin-bottom: 6px; color: var(--drv-text); }
.drv-appt-contact-card p:last-child { margin-bottom: 0; }

.drv-appt-form-wrap { background: var(--drv-white); border: 1px solid var(--drv-border); border-radius: var(--drv-radius); padding: 36px; box-shadow: var(--drv-shadow); }
.drv-appt-form .drv-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.drv-field { margin-bottom: 18px; }
.drv-field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--drv-text); }
.drv-field label span { color: #e11d48; }
.drv-field input,
.drv-field select,
.drv-field textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--drv-border);
  border-radius: 8px;
  font-family: var(--drv-font-body);
  font-size: 14px;
  color: var(--drv-text);
  background: var(--drv-white);
  transition: border-color var(--drv-transition), box-shadow var(--drv-transition);
  outline: none;
}
.drv-field input:focus,
.drv-field select:focus,
.drv-field textarea:focus {
  border-color: var(--drv-primary);
  box-shadow: 0 0 0 3px rgba(8,84,88,.12);
}

.drv-form-msg {
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 20px;
  font-weight: 500;
}
.drv-form-msg--success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.drv-form-msg--error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* ── Contact ──────────────────────────────────────────────────────────────── */
.drv-contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start; }
.drv-contact-info h2 { font-family: var(--drv-font-head); font-size: 26px; font-weight: 700; margin-bottom: 24px; color: var(--drv-primary); }
.drv-contact-card { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
.drv-contact-card__icon { font-size: 24px; flex: 0 0 auto; }
.drv-contact-card strong { display: block; font-size: 14px; font-weight: 700; color: var(--drv-text); margin-bottom: 4px; }
.drv-contact-card p { font-size: 14px; color: var(--drv-muted); margin: 0; }
.drv-contact-card p a { color: var(--drv-primary); }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.drv-footer { background: #0c2028; color: rgba(255,255,255,.75); padding: 60px 0 0; }
.drv-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 48px; padding-bottom: 40px; }
.drv-footer__name  { font-family: var(--drv-font-head); font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.drv-footer__qual  { font-size: 13px; margin-bottom: 6px; }
.drv-footer__inst  { font-size: 13px; line-height: 1.6; }
.drv-footer__links h4,
.drv-footer__contact h4 { font-family: var(--drv-font-head); font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 14px; text-transform: uppercase; letter-spacing: .5px; }
.drv-footer__links ul { list-style: none; }
.drv-footer__links li { margin-bottom: 8px; }
.drv-footer__links a { font-size: 13px; color: rgba(255,255,255,.65); transition: color var(--drv-transition); }
.drv-footer__links a:hover { color: #fff; }
.drv-footer__contact p { font-size: 13px; margin-bottom: 8px; line-height: 1.5; }
.drv-footer__contact a { color: rgba(255,255,255,.65); }
.drv-footer__contact a:hover { color: #fff; }
.drv-footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; text-align: center; }
.drv-footer__bottom p { font-size: 13px; color: rgba(255,255,255,.4); }

/* ── WhatsApp FAB ─────────────────────────────────────────────────────────── */
.drv-wa-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  transition: transform var(--drv-transition), box-shadow var(--drv-transition);
}
.drv-wa-fab:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,.6); color: #fff; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .drv-hero__inner    { grid-template-columns: 1fr; text-align: center; }
  .drv-hero__stats    { justify-content: center; }
  .drv-hero__cta      { justify-content: center; }
  .drv-hero__img-wrap { display: none; }
  .drv-about-strip__inner,
  .drv-about-detail,
  .drv-appt-wrap,
  .drv-contact-grid   { grid-template-columns: 1fr; gap: 40px; }
  .drv-cards--3       { grid-template-columns: repeat(2, 1fr); }
  .drv-stats-band__grid { grid-template-columns: repeat(2, 1fr); }
  .drv-footer__grid   { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .drv-nav       { display: none; position: fixed; inset: 72px 0 0; background: var(--drv-white); padding: 24px; border-top: 1px solid var(--drv-border); overflow-y: auto; z-index: 999; }
  .drv-nav.is-open { display: block; }
  .drv-nav__list { flex-direction: column; gap: 4px; }
  .drv-nav__list a { padding: 12px 16px; font-size: 16px; }
  .drv-nav-toggle  { display: flex; }
  .drv-header .drv-btn--header { display: none; }
  .drv-cards--3    { grid-template-columns: 1fr; }
  .drv-stats-band__grid { grid-template-columns: repeat(2, 1fr); }
  .drv-footer__grid { grid-template-columns: 1fr; }
  .drv-cta-band__inner { flex-direction: column; text-align: center; }
  .drv-appt-form .drv-field-row { grid-template-columns: 1fr; }
  .drv-about-detail__sub-img { display: none; }
}

@media (max-width: 480px) {
  .drv-section { padding: 50px 0; }
  .drv-hero    { padding: 50px 0 40px; }
  .drv-page-hero { padding: 40px 0; }
  .drv-stats-band__grid { grid-template-columns: 1fr 1fr; }
  .drv-stat-big__num { font-size: 30px; }
  .drv-appt-form-wrap { padding: 20px; }
}