/* ============================================
   THEME — Clean Modern (Clinical)

   Sans-serif, generous whitespace, soft shadows,
   rounded corners, subtle color. Teal + indigo
   clinical palette for dental/medical practices.
   Best for: dentists, therapists, med spas,
   modern doctor offices, wellness clinics.
   ============================================ */

:root {
  --color-primary:        #0d9488;
  --color-primary-light:  #14b8a6;
  --color-primary-dark:   #0f766e;
  --color-secondary:      #0f172a;
  --color-secondary-light:#1e293b;
  --color-accent:         #f59e0b;
  --color-accent-light:   #fbbf24;

  --color-bg:             #ffffff;
  --color-surface:        #f8fafc;
  --color-surface-light:  #f1f5f9;
  --color-border:         rgba(0, 0, 0, 0.06);

  --color-text:           #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted:     #94a3b8;

  --color-header-bg:              rgba(255, 255, 255, 0.8);
  --color-header-border:          rgba(0, 0, 0, 0.04);
  --color-header-scrolled-bg:     rgba(255, 255, 255, 0.95);
  --color-header-scrolled-border: rgba(0, 0, 0, 0.06);
  --shadow-header-scrolled:       0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 20px rgba(0, 0, 0, 0.03);

  --font-heading:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:            'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;
  --text-5xl:   3rem;
  --text-6xl:   3.75rem;

  --container-max:        1200px;
  --container-padding:    2rem;
  --section-padding:      6rem;
  --grid-gap:             1.5rem;

  --radius:     8px;
  --radius-lg:  16px;
}

@media (max-width: 1024px) {
  :root {
    --text-6xl: 3rem; --text-5xl: 2.5rem; --text-4xl: 1.875rem;
    --section-padding: 4.5rem;
  }
}
@media (max-width: 768px) {
  :root {
    --text-6xl: 2.25rem; --text-5xl: 1.875rem; --text-4xl: 1.625rem; --text-3xl: 1.375rem;
    --container-padding: 1.25rem; --section-padding: 3.5rem; --grid-gap: 1.25rem;
  }
}
@media (max-width: 480px) {
  :root {
    --text-6xl: 1.875rem; --text-5xl: 1.625rem;
    --container-padding: 1rem; --section-padding: 3rem;
  }
}

/* --- Client-specific --- */
.section--accent input::placeholder,
.section--accent textarea::placeholder { color: rgba(255,255,255,0.5); }
.section--accent input, .section--accent textarea, .section--accent select { color: #fff; }
.highlight { color: var(--color-primary); }
.highlight--gold { color: var(--color-accent); }
.divider { width: 48px; height: 3px; background-color: var(--color-primary); margin-bottom: 1.5rem; border-radius: 3px; }
.divider--center { margin-left: auto; margin-right: auto; }

.img-placeholder {
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 50%, #cbd5e1 100%);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted); font-size: var(--text-sm); text-transform: uppercase; letter-spacing: 0.1em;
}

/* --- Clean Modern design personality --- */

/* Cards: subtle shadow, rounded, gentle lift */
.card {
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  border-color: var(--color-primary-light);
}

.service-card {
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.service-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  border-color: var(--color-primary-light);
}
.service-card__image { opacity: 1; }

/* Buttons: rounded, clean */
.btn {
  border-radius: 8px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
}
.btn--outline:hover {
  transform: translateY(-1px);
}

/* Stats */
.stats { border-color: var(--color-border); }
.stat { border-right-color: var(--color-border); }
.stat__number { color: var(--color-primary); }

/* Headings: clean weight */
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; }

.blog-card {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  border-color: var(--color-primary-light);
}

/* --- Always-light header (no dark initial state) --- */
.header {
  background-color: var(--color-header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-header-border);
}
.header .header__logo { color: var(--color-text); }
.header .header__logo span { color: var(--color-primary); }
.header .nav__link { color: var(--color-text-secondary); }
.header .nav__link:hover { color: var(--color-text); }

.header--scrolled {
  background-color: var(--color-header-scrolled-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-header-scrolled);
  border-bottom: 1px solid var(--color-header-scrolled-border);
}
.header--scrolled .header__logo { color: var(--color-text); }
.header--scrolled .nav__link { color: var(--color-text-secondary); }
.header--scrolled .nav__link:hover { color: var(--color-text); }

.nav__toggle span { background-color: var(--color-text); }
.header--scrolled .nav__toggle span { background-color: var(--color-text); }
.nav__cta.btn--primary { color: #fff !important; }

@media (max-width: 768px) {
  .nav { background-color: #fff; }
}

/* --- Hero: light theme split hero uses dark text --- */
.hero { color: var(--color-text); }
.hero__content .label { color: var(--color-accent) !important; }
.hero__title { color: var(--color-text) !important; }
.hero__subtitle { color: var(--color-text-secondary) !important; }
.hero .btn--outline { border-color: var(--color-border); color: var(--color-text); }
.hero .btn--outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

.hero__overlay {
  background: transparent;
}

.hero--professional .divider { background-color: var(--color-primary-light); }
.hero--professional .hero__stat-number { color: var(--color-primary-light); }
.hero--professional .hero__stat-label { color: rgba(255,255,255,0.7); }
.hero--professional .hero__stats { border-top-color: rgba(255,255,255,0.12); }

.page-banner {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary-dark) 50%, var(--color-secondary) 100%);
  color: #fff;
}
.page-banner .page-banner__label { color: var(--color-primary-light) !important; }
.page-banner .page-banner__title { color: #fff !important; }
.page-banner .page-banner__desc { color: rgba(255,255,255,0.8) !important; }
.page-banner .breadcrumb { color: rgba(255,255,255,0.5); }
.page-banner .breadcrumb a { color: rgba(255,255,255,0.7); }

.section--dark { background-color: var(--color-surface); }

/* --- Footer --- */
.footer {
  background-color: var(--color-secondary);
  color: #fff; border-top: none;
}
.footer__brand { color: #fff; }
.footer__brand span { color: var(--color-primary-light); }
.footer__desc { color: rgba(255,255,255,0.7); }
.footer__heading { color: #fff; }
.footer__list a { color: rgba(255,255,255,0.6); }
.footer__list a:hover { color: var(--color-primary-light); }
.footer__bottom { color: rgba(255,255,255,0.4); border-top-color: rgba(255,255,255,0.1); }

.testimonial { border-radius: var(--radius-lg); }
.testimonial__quote::before { opacity: 0.12; color: var(--color-accent); }
.blog-card__tag { background: rgba(13, 148, 136, 0.08); color: var(--color-primary); }
.gallery-filter--active, .gallery-filter:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.faq-item__question:hover { color: var(--color-primary); }
.form-input, .form-select, .form-textarea { background: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
.form-input:focus, .form-select:focus, .form-textarea:focus { background: #fff; }
.trust-bar__logo { filter: grayscale(100%); opacity: 0.5; }
.trust-bar__item:hover .trust-bar__logo { filter: grayscale(0%); opacity: 1; }

/* =============================================
   PREMIUM COMPONENT LIGHT-MODE OVERRIDES
   ============================================= */

/* Glass card: use subtle shadow instead of backdrop-blur on white */
.card--glass {
  background: rgba(0, 0, 0, 0.02);
  backdrop-filter: none;
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.card--glass:hover {
  background: rgba(0, 0, 0, 0.03);
  border-color: var(--color-primary-light);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

/* Glow card: use subtle primary tint instead of bright glow */
/* Disable glow effect on light theme — too flashy */
.card--glow::before {
  display: none;
}
.card--glow {
  border: 1px solid var(--color-border);
}
.card--glow:hover {
  border-color: var(--color-primary-light);
}

/* Badge: light background */
.badge {
  background: rgba(13, 148, 136, 0.08);
  color: var(--color-primary);
  border-color: rgba(13, 148, 136, 0.15);
}

/* Icon circle: light tint */
.icon-circle {
  background: rgba(13, 148, 136, 0.08);
  color: var(--color-primary);
}
.card:hover .icon-circle {
  background: var(--color-primary);
  color: #fff;
}

/* Proof strip */
.proof-strip {
  border-color: var(--color-border);
  background: var(--color-surface);
}
.proof-strip__value {
  color: var(--color-primary);
}

/* Timeline */
.timeline::before {
  background: linear-gradient(90deg, transparent, var(--color-border) 10%, var(--color-border) 90%, transparent);
}
.timeline__dot {
  background: #fff;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}
.timeline__step:hover .timeline__dot {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 16px rgba(13, 148, 136, 0.2);
}

/* Profession/service list */
.prof-list__item {
  border-left: 3px solid transparent;
  border-bottom-color: var(--color-border);
}
.prof-list__item:hover {
  border-left-color: var(--color-primary);
  background: rgba(13, 148, 136, 0.03);
}
.prof-list__name { color: var(--color-text); }
.prof-list__item:hover .prof-list__name { color: var(--color-primary); }
.prof-list__desc { color: var(--color-text-muted); }

/* Featured blog layout */
.blog-featured__main .card__title { color: var(--color-text); }

/* Gradient text: use solid primary on light backgrounds */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Num accent */
.num-accent {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.2;
}

/* Mockup monitor */
.mockup-monitor {
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.mockup-monitor__bar {
  background: var(--color-surface);
  border-bottom-color: var(--color-border);
}
.mockup-monitor__screen {
  background: var(--color-surface);
}

/* Mobile nav on light theme */
@media (max-width: 768px) {
  .mnav {
    background: #fff;
  }
  .mnav__link { color: var(--color-text); }
  .mnav__link:hover { color: var(--color-primary); }
  .mnav__sub { color: var(--color-text-muted); }
}

/* Section--dark on light theme: noticeably different from white bg */
.section--dark {
  background-color: #e8f0f0;
}

/* Force light card styles inside section--dark on light themes */
.section--dark .card,
.section--dark .sig-card,
.section--dark .sf-card,
.section--dark .sb-card--small,
.section--dark .ps-card,
.section--dark .ra-card {
  background: #fff;
  border-color: var(--color-border);
  color: var(--color-text);
}
/* Reset ALL white text in section--dark for light theme */
.section--dark,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark p,
.section--dark .lead,
.section--dark .label { color: inherit; }
.section--dark .label { color: var(--color-primary); }
.section--dark p,
.section--dark .lead,
.section--dark .card__text,
.section--dark .sig-card__text,
.section--dark .sf-card__text,
.section--dark .sb-card__text,
.section--dark .ps-card p,
.section--dark .ps-sticky p,
.section--dark .pn-desc,
.section--dark .ra-quote,
.section--dark .asi-content .content-body,
.section--dark .asi-val p,
.section--dark .vi-text p,
.section--dark .vga-desc,
.section--dark .sg-label,
.section--dark .content-body { color: var(--color-text-secondary); }
.section--dark .ps-badge { background: var(--color-primary); color: #fff; }
.section--dark .pn-num { opacity: 0.15; }

/* CTA dark variant on light theme */
.section--accent {
  background-color: var(--color-primary);
}

/* Feature row visual */
.feature-row__visual {
  background: var(--color-surface);
  border-color: var(--color-border);
}