/* ===========================
   ObliczProcent.com.pl
   Main Stylesheet
   =========================== */

:root {
  --op-navy: #1a2744;
  --op-navy-light: #243556;
  --op-teal: #22b07d;
  --op-teal-light: #2dd495;
  --op-teal-bg: #e8faf3;
  --op-blue: #3b82f6;
  --op-blue-light: #dbeafe;
  --op-gray-50: #f8f9fb;
  --op-gray-100: #f1f3f6;
  --op-gray-200: #e2e5ea;
  --op-gray-400: #9ca3af;
  --op-gray-600: #4b5563;
  --op-gray-800: #1f2937;
  --op-coral: #f97066;
  --op-amber: #f59e0b;
  --op-purple: #7c5cfc;
  --op-pink: #ec4899;
  --op-radius: 14px;
  --op-radius-sm: 10px;
  --op-radius-pill: 20px;
}

/* ============================================
   GENERATEPRESS OVERRIDES - FRONT PAGE
   ============================================ */

.op-front-page .site-content,
.op-front-page .content-area,
.op-front-page #primary,
.op-front-page #content,
.op-front-page .inside-article,
.op-front-page .entry-content,
.op-front-page .site-main,
.op-front-page .site-content .grid-container {
  display: block !important;
  float: none !important;
  width: 100% !important;
  max-width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
}

.op-front-page #right-sidebar,
.op-front-page #left-sidebar,
.op-front-page .widget-area {
  display: none !important;
}

.op-front-page .page-header,
.op-front-page .entry-header {
  display: none !important;
}

.op-front-page article {
  padding: 0 !important;
  margin: 0 !important;
}

.op-front-page .site-main > * {
  max-width: 100% !important;
}

.op-front-page .site-content > *,
.op-front-page #page > * {
  margin-top: 0 !important;
}

/* === RESET & BASE === */

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--op-gray-800);
  background: #fff;
  overflow-x: hidden;
}

/* === STICKY HEADER === */

.site-header {
  background: var(--op-navy) !important;
  position: sticky !important;
  top: 0 !important;
  z-index: 999 !important;
  width: 100% !important;
  transition: box-shadow 0.3s;
}

.site-header.op-scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

/* Header inner container - centered with max-width */
.site-header .inside-header {
  max-width: 1100px !important;
  margin: 0 auto !important;
  padding: 0 40px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100% !important;
}

.main-navigation {
  background: transparent !important;
}

.main-title a,
.site-title a {
  color: #fff !important;
  font-weight: 600;
  text-decoration: none;
}

.main-navigation .menu > li > a {
  color: rgba(255,255,255,0.7) !important;
  font-size: 14px;
  transition: color 0.2s;
}

.main-navigation .menu > li > a:hover,
.main-navigation .menu > li.current-menu-item > a {
  color: #fff !important;
}

.site-header .header-widget {
  color: rgba(255,255,255,0.7);
}

/* === BACK TO TOP BUTTON === */

.op-back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 998;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--op-navy);
  color: #fff;
  border: 2px solid rgba(255,255,255,0.1);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.2s, border-color 0.2s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.op-back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.op-back-to-top:hover {
  background: var(--op-teal);
  border-color: var(--op-teal-light);
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(34,176,125,0.35);
}

.op-back-to-top__arrow {
  width: 20px;
  height: 20px;
  display: block;
}

/* === HERO SEKCJA === */

.op-hero {
  background: linear-gradient(135deg, var(--op-navy) 0%, var(--op-navy-light) 100%);
  padding: 64px 20px 80px;
  position: relative;
  overflow: hidden;
  text-align: center;
  width: 100%;
  margin: 0 !important;
}

.op-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.op-hero__content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  margin: 0 auto;
}

.op-hero__title {
  color: #fff;
  font-size: 36px;
  font-weight: 700;
  margin: 0 0 12px 0;
  padding: 0;
  line-height: 1.3;
}

.op-hero__title span {
  color: var(--op-teal-light);
}

.op-hero__desc {
  color: rgba(255,255,255,0.6);
  font-size: 17px;
  max-width: 460px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

/* === KALKULATOR W HERO === */

.op-calc {
  background: #fff;
  border-radius: var(--op-radius);
  padding: 28px 32px;
  max-width: 500px;
  margin: 0 auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  text-align: left;
}

.op-calc__header {
  font-size: 14px;
  font-weight: 600;
  color: var(--op-gray-600);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.op-calc__header .dashicons {
  color: var(--op-teal);
  font-size: 18px;
  width: 18px;
  height: 18px;
}

.op-calc__row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.op-calc__input {
  flex: 1;
  min-width: 80px;
  height: 48px;
  border: 1.5px solid var(--op-gray-200);
  border-radius: var(--op-radius-sm);
  padding: 0 16px;
  font-size: 20px;
  font-weight: 600;
  color: var(--op-gray-800);
  background: var(--op-gray-50);
  outline: none;
  transition: border-color 0.2s;
  text-align: center;
  -moz-appearance: textfield;
}

.op-calc__input::-webkit-outer-spin-button,
.op-calc__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.op-calc__input:focus {
  border-color: var(--op-teal);
}

.op-calc__unit {
  font-size: 16px;
  font-weight: 600;
  color: var(--op-teal);
}

.op-calc__label {
  font-size: 14px;
  color: var(--op-gray-400);
}

.op-calc__result {
  background: var(--op-teal-bg);
  border: 1.5px solid rgba(34,176,125,0.2);
  border-radius: var(--op-radius-sm);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.op-calc__result-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--op-teal);
}

.op-calc__result-label {
  font-size: 13px;
  color: var(--op-gray-400);
  margin-bottom: 2px;
}

.op-calc__check {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(34,176,125,0.15);
  color: var(--op-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
}

.op-calc__btn {
  width: 100%;
  height: 48px;
  margin-top: 16px;
  background: var(--op-teal);
  color: #fff;
  border: none;
  border-radius: var(--op-radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.2s;
}

.op-calc__btn:hover {
  background: var(--op-teal-light);
}

/* === SEKCJE - OGOLNE === */

.op-section {
  padding: 64px 20px;
  width: 100%;
  clear: both;
  margin: 0 !important;
}

.op-section--gray {
  background: var(--op-gray-50);
}

.op-section--white {
  background: #fff;
}

.op-section__header {
  text-align: center;
  max-width: 960px;
  margin: 0 auto 40px auto;
}

.op-section__badge {
  display: inline-block;
  background: var(--op-teal-bg);
  color: var(--op-teal);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 5px 16px;
  border-radius: var(--op-radius-pill);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.op-section__title {
  font-size: 28px;
  font-weight: 700;
  color: var(--op-gray-800);
  margin: 0 0 8px 0;
}

.op-section__title span {
  color: var(--op-teal);
}

.op-section__subtitle {
  font-size: 16px;
  color: var(--op-gray-400);
  margin: 0;
}

/* === NARZEDZIA GRID === */

.op-tools {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}

.op-tool-card {
  background: #fff;
  border-radius: var(--op-radius);
  border: 1.5px solid var(--op-gray-200);
  padding: 32px 24px;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}

.op-tool-card:hover {
  border-color: var(--op-teal);
  transform: translateY(-4px);
}

.op-tool-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 26px;
  font-weight: 700;
}

.op-tool-card__icon--purple {
  background: #eef2ff;
  color: var(--op-purple);
}

.op-tool-card__icon--amber {
  background: #fef3c7;
  color: var(--op-amber);
}

.op-tool-card__icon--pink {
  background: #fce7f3;
  color: var(--op-pink);
}

.op-tool-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--op-gray-800);
  margin: 0 0 8px 0;
}

.op-tool-card__desc {
  font-size: 14px;
  color: var(--op-gray-400);
  line-height: 1.5;
  margin: 0 0 16px 0;
}

.op-tool-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--op-teal);
  text-decoration: none;
  transition: gap 0.2s;
}

.op-tool-card__link:hover {
  gap: 10px;
}

/* === SEKCJA TRESC === */

.op-content-layout {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  max-width: 960px;
  margin: 0 auto;
}

.op-content-text {
  flex: 1;
  min-width: 0;
}

.op-content-text h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--op-gray-800);
  margin: 0 0 16px 0;
  line-height: 1.3;
}

.op-content-text h2 span {
  color: var(--op-teal);
}

.op-content-text p {
  font-size: 15px;
  color: var(--op-gray-600);
  line-height: 1.8;
  margin: 0 0 14px 0;
}

/* === BLOK WZOROW === */

.op-formula-box {
  width: 300px;
  flex-shrink: 0;
  background: var(--op-navy);
  border-radius: var(--op-radius);
  padding: 24px;
  color: #fff;
}

.op-formula-box__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.4);
  margin: 0 0 14px 0;
  font-weight: 600;
}

.op-formula-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px 0;
}

.op-formula-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 5px;
  min-width: 60px;
  text-align: center;
}

.op-formula-tag--purple {
  background: rgba(124,92,252,0.25);
  color: #b8a4ff;
}

.op-formula-tag--teal {
  background: rgba(34,176,125,0.25);
  color: var(--op-teal-light);
}

.op-formula-tag--amber {
  background: rgba(249,158,11,0.25);
  color: #fbbf24;
}

.op-formula-expr {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  font-family: 'Courier New', monospace;
}

.op-formula-example {
  margin: 18px 0 0 0;
  padding: 16px 0 0 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.op-formula-example__label {
  font-size: 10px;
  color: rgba(255,255,255,0.35);
  margin: 0 0 8px 0;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.op-formula-example__line {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin: 0 0 4px 0;
  line-height: 1.5;
}

.op-formula-example__line strong {
  color: var(--op-teal-light);
  font-weight: 600;
}

/* === ZASTOSOWANIA GRID === */

.op-uses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}

.op-use-card {
  background: #fff;
  border: 1.5px solid var(--op-gray-200);
  border-radius: var(--op-radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: border-color 0.3s;
}

.op-use-card:hover {
  border-color: var(--op-teal);
}

.op-use-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 20px;
}

.op-use-card__icon--blue {
  background: #dbeafe;
  color: #2563eb;
}

.op-use-card__icon--pink {
  background: #fce7f3;
  color: var(--op-pink);
}

.op-use-card__icon--amber {
  background: #fef3c7;
  color: #d97706;
}

.op-use-card__icon--purple {
  background: #ede9fe;
  color: var(--op-purple);
}

.op-use-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--op-gray-800);
  margin: 0 0 4px 0;
}

.op-use-card__desc {
  font-size: 14px;
  color: var(--op-gray-400);
  line-height: 1.5;
  margin: 0;
}

/* === BLOG GRID === */

.op-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}

.op-blog-card {
  border-radius: var(--op-radius);
  overflow: hidden;
  border: 1.5px solid var(--op-gray-200);
  transition: border-color 0.3s, transform 0.3s;
  text-decoration: none;
  display: block;
}

.op-blog-card:hover {
  border-color: var(--op-teal);
  transform: translateY(-4px);
}

.op-blog-card__thumb {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  background: linear-gradient(135deg, #dbeafe, #ede9fe);
}

.op-blog-card__body {
  padding: 20px;
}

.op-blog-card__tag {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 6px 0;
  color: var(--op-teal);
}

.op-blog-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--op-gray-800);
  margin: 0 0 6px 0;
  line-height: 1.4;
}

.op-blog-card__excerpt {
  font-size: 14px;
  color: var(--op-gray-400);
  line-height: 1.5;
  margin: 0;
}

.op-blog-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 0 0 0;
  font-size: 12px;
  color: var(--op-gray-400);
}

/* === STOPKA === */

.site-footer {
  background: var(--op-navy) !important;
  color: rgba(255,255,255,0.4);
  text-align: center;
  padding: 32px 20px;
}

.site-footer a {
  color: var(--op-teal-light) !important;
  text-decoration: none;
}

.site-footer .copyright-bar {
  background: transparent !important;
  color: rgba(255,255,255,0.4);
}

.site-footer .copyright-bar a {
  color: var(--op-teal-light) !important;
}

/* === RESPONSYWNOSC === */

@media (max-width: 768px) {
  .site-header .inside-header {
    padding: 0 16px !important;
  }

  .op-hero {
    padding: 48px 16px 56px;
  }

  .op-hero__title {
    font-size: 28px;
  }

  .op-hero__desc {
    font-size: 15px;
  }

  .op-calc {
    padding: 20px;
  }

  .op-calc__input {
    font-size: 18px;
    height: 44px;
  }

  .op-section {
    padding: 48px 16px;
  }

  .op-section__title {
    font-size: 24px;
  }

  .op-content-layout {
    flex-direction: column;
  }

  .op-formula-box {
    width: 100%;
  }

  .op-tools,
  .op-blog-grid {
    grid-template-columns: 1fr;
  }

  .op-uses-grid {
    grid-template-columns: 1fr;
  }

  .op-back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}