* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: Inter, sans-serif; line-height: 1.6; color: #1a1a1a; background: #fff; overflow-x: hidden; }

:root {
    --primary-blue: #0077B6; --secondary-blue: #00B4D8; --light-blue: #90E0EF; 
    --dark-blue: #03045E; --white: #FFFFFF; --light-gray: #F8F9FA; --medium-gray: #6C757D; --dark-gray: #343A40;
    --font-heading: Poppins, sans-serif; --font-body: Inter, sans-serif;
    --spacing-xs: 0.5rem; --spacing-sm: 1rem; --spacing-md: 1.5rem; --spacing-lg: 2rem; --spacing-xl: 3rem; --spacing-xxl: 4rem;
    --shadow-sm: 0 2px 4px rgba(0,119,182,0.1); --shadow-md: 0 4px 12px rgba(0,119,182,0.15); --shadow-lg: 0 8px 24px rgba(0,119,182,0.2); --shadow-xl: 0 16px 48px rgba(0,119,182,0.25);
    --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-xl: 24px;
    --transition-fast: 0.2s ease-out; --transition-normal: 0.3s ease-out; --transition-slow: 0.5s ease-out;
}

h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 600; line-height: 1.2; color: var(--dark-blue); }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); } h2 { font-size: clamp(2rem, 4vw, 3rem); } h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
p { font-family: var(--font-body); font-size: 1.1rem; line-height: 1.7; color: var(--dark-gray); margin-bottom: var(--spacing-md); }
.lead-text { font-size: 1.25rem; font-weight: 500; color: var(--primary-blue); margin-bottom: var(--spacing-lg); }
.gradient-text { background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-md); }
.text-center { text-align: center; }
.section-title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: var(--spacing-md); font-weight: 700; }
.section-subtitle { font-size: 1.25rem; color: var(--medium-gray); max-width: 700px; margin: 0 auto var(--spacing-xl); }
.title-divider { width: 80px; height: 4px; background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue)); margin: var(--spacing-md) auto var(--spacing-lg); border-radius: 2px; }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInLeft { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
.fade-in { opacity: 0; animation: fadeInUp 0.8s ease-out forwards; }
.fade-in-left { opacity: 0; animation: fadeInLeft 0.8s ease-out forwards; }
.fade-in-right { opacity: 0; animation: fadeInRight 0.8s ease-out forwards; }
.fade-in-up { opacity: 0; animation: fadeInUp 0.8s ease-out forwards; }

.navbar { position: fixed; top: 0; left: 0; right: 0; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(0,119,182,0.1); z-index: 1000; transition: var(--transition-normal); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: var(--spacing-sm) var(--spacing-md); display: flex; justify-content: space-between; align-items: center; }
.nav-logo img { height: 40px; transition: var(--transition-fast); }
.nav-logo img:hover { transform: scale(1.05); }
.lang-btn { background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue)); color: var(--white); border: none; padding: var(--spacing-xs) var(--spacing-md); border-radius: var(--radius-sm); font-weight: 500; cursor: pointer; transition: var(--transition-normal); box-shadow: var(--shadow-sm); }
.lang-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.main-header { padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-xl); background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%); text-align: center; }
.header-container { max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-md); }
.header-logo img { width: 100%; max-width: 1200px; height: auto; border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); transition: var(--transition-slow); }
.header-logo img:hover { transform: scale(1.02); }

section { padding: var(--spacing-xxl) 0; }
.about-section { background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xxl); align-items: start; margin-top: var(--spacing-xl); }
.about-content { animation-delay: 0.2s; }
.about-text { margin-bottom: var(--spacing-xl); }
.contact-info h3 { margin-bottom: var(--spacing-lg); color: var(--primary-blue); font-size: 1.5rem; }
.contact-cards { display: grid; gap: var(--spacing-md); margin-bottom: var(--spacing-lg); }
.contact-card { background: var(--light-gray); padding: var(--spacing-md); border-radius: var(--radius-md); border-left: 4px solid var(--primary-blue); transition: var(--transition-normal); }
.contact-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.contact-card h4 { color: var(--primary-blue); margin-bottom: var(--spacing-xs); font-size: 1.1rem; }
.contact-role { font-size: 0.9rem; color: var(--medium-gray); margin-bottom: var(--spacing-xs); font-style: italic; }
.contact-email { color: var(--secondary-blue); text-decoration: none; font-weight: 500; display: block; margin-bottom: var(--spacing-xs); }
.contact-email:hover { text-decoration: underline; }
.contact-phone { font-size: 0.9rem; color: var(--dark-gray); margin-bottom: 0; }
.company-info { background: linear-gradient(135deg, var(--light-blue), rgba(255,255,255,0.8)); padding: var(--spacing-md); border-radius: var(--radius-md); color: var(--dark-blue); }
.company-detail { margin-bottom: var(--spacing-xs); font-size: 0.95rem; }
.company-detail:last-child { margin-bottom: 0; }
.about-image { animation-delay: 0.4s; }
.about-image img { width: 100%; height: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); transition: var(--transition-normal); }
.about-image img:hover { transform: scale(1.02); box-shadow: var(--shadow-xl); }

.products-section { background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%); }
.technology-description { max-width: 900px; margin: 0 auto var(--spacing-xxl); text-align: center; padding: var(--spacing-xl); background: rgba(255,255,255,0.8); border-radius: var(--radius-xl); box-shadow: var(--shadow-md); }
.tech-lead { font-size: 1.4rem; font-weight: 600; color: var(--primary-blue); margin-bottom: var(--spacing-lg); }
.product-card { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xxl); align-items: center; margin: var(--spacing-xxl) 0; background: var(--white); border-radius: var(--radius-xl); padding: var(--spacing-xl); box-shadow: var(--shadow-lg); transition: var(--transition-normal); }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-xl); }
.product-card.product-right { direction: rtl; }
.product-card.product-right .product-content { direction: ltr; }
.product-image img { width: 100%; height: auto; border-radius: var(--radius-lg); transition: var(--transition-normal); box-shadow: var(--shadow-md); cursor: zoom-in; }
.product-image img:hover { transform: scale(1.05); box-shadow: var(--shadow-lg); }
.product-title { color: var(--primary-blue); margin-bottom: var(--spacing-md); font-size: 1.8rem; }
.product-description { margin-bottom: var(--spacing-lg); font-size: 1.1rem; }
.product-specs { background: var(--light-gray); padding: var(--spacing-md); border-radius: var(--radius-md); border: 2px solid var(--light-blue); }
.spec-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-sm); margin-bottom: var(--spacing-sm); }
.spec-row:last-child { margin-bottom: 0; }
.spec-item { display: flex; justify-content: space-between; align-items: center; padding: var(--spacing-xs); background: var(--white); border-radius: var(--radius-sm); border-left: 3px solid var(--secondary-blue); min-height: 40px; transition: var(--transition-fast); }
.spec-label { font-weight: 500; color: var(--dark-gray); font-size: 0.9rem; }
.spec-value { font-weight: 600; color: var(--primary-blue); font-size: 0.9rem; }

.personalization-section { background: var(--white); }
.personalization-image { margin: var(--spacing-xl) 0; text-align: center; }
.personalization-image img { width: 100%; max-width: 1280px; height: auto; border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); transition: var(--transition-normal); }
.personalization-image img:hover { transform: scale(1.02); }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-xl); margin-top: var(--spacing-xl); }
.feature-item { text-align: center; padding: var(--spacing-xl); background: linear-gradient(135deg, var(--light-blue), rgba(255,255,255,0.9)); border-radius: var(--radius-lg); transition: var(--transition-normal); border: 2px solid transparent; }
.feature-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--secondary-blue); }
.feature-icon { font-size: 3rem; margin-bottom: var(--spacing-md); }
.feature-item h3 { color: var(--primary-blue); margin-bottom: var(--spacing-md); font-size: 1.4rem; }
.feature-item p { color: var(--dark-gray); margin-bottom: 0; }

.certificates-section { background: linear-gradient(135deg, var(--dark-blue), var(--primary-blue)); color: var(--white); }
.certificates-section .section-title, .certificates-section .section-subtitle { color: var(--white); }
.certificates-image { text-align: center; margin-bottom: var(--spacing-xl); }
.certificates-content img { width: 100%; max-width: 1200px; height: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-xl); transition: var(--transition-normal); }
.certificates-content img:hover { transform: scale(1.02); }
.certificates-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--spacing-lg); margin-top: var(--spacing-xl); }
.cert-item { text-align: center; background: rgba(255,255,255,0.1); padding: var(--spacing-xl); border-radius: var(--radius-lg); backdrop-filter: blur(10px); transition: var(--transition-normal); border: 2px solid transparent; }
.cert-item:hover { background: rgba(255,255,255,0.2); transform: translateY(-5px); border-color: var(--light-blue); }
.cert-icon img {
  width: 250px;   /* lub inna odpowiednia szerokość */
  height: auto;  /* zachowanie proporcji */
  display: inline-block; /* aby usunąć ewentualne odstępy */
}
.cert-item h3 { color: var(--light-blue); font-size: 1.8rem; margin-bottom: var(--spacing-md); font-weight: 700; }
.cert-item p { color: rgba(255,255,255,0.9); margin-bottom: 0; }

.footer { background: var(--dark-blue); color: var(--white); padding: var(--spacing-xl) 0; }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--spacing-md); }
.footer-logo img { height: 282px; width: 400px; transition: var(--transition-fast); }
.footer-logo img:hover { transform: scale(1.05); }
.footer-text p { color: rgba(255,255,255,0.8); font-size: 1.2rem; margin-bottom: 0; }

@media (max-width: 1024px) {
    .about-grid, .product-card { grid-template-columns: 1fr; gap: var(--spacing-xl); }
    .product-card.product-right { direction: ltr; }
    .spec-row { grid-template-columns: 1fr; }
    .header-logo img { max-width: 800px; }
}

@media (max-width: 768px) {
    .main-header { padding: calc(60px + var(--spacing-md)) 0 var(--spacing-lg); }
    .header-logo img { max-width: 600px; }
    .product-card { padding: var(--spacing-lg); margin: var(--spacing-lg) 0; }
    .feature-grid { grid-template-columns: 1fr; }
    .certificates-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--spacing-md); }
    .footer-content { flex-direction: column; text-align: center; }
    .tech-lead { font-size: 1.2rem; }
    .product-title { font-size: 1.5rem; }
}

@media (max-width: 600px) {
    :root { --spacing-sm: 0.75rem; --spacing-md: 1rem; --spacing-lg: 1.5rem; --spacing-xl: 2rem; --spacing-xxl: 2.5rem; }
    .container { padding: 0 var(--spacing-sm); }
    .nav-container { padding: var(--spacing-xs) var(--spacing-sm); }
    .header-logo img { max-width: 100%; }
    .technology-description { padding: var(--spacing-md); }
    .product-card { padding: var(--spacing-md); }
    .section-title { font-size: 1.8rem; }
    .contact-cards { grid-template-columns: 1fr; }
    .spec-item { flex-direction: column; align-items: flex-start; gap: var(--spacing-xs); }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; } }
button:focus, a:focus { outline: 2px solid var(--primary-blue); outline-offset: 2px; }
[hidden] { display: none !important; }
#honeypot { position: absolute; left: -9999px; top: -9999px; }

.contact-info-section {
    width: 100%;
    margin-top: 40px;
}

.contact-info-section h3 {
    text-align: center;
    margin-bottom: 30px;
}

.contact-cards {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.contact-card {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
}

.company-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.company-detail {
    text-align: center;
}
.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}






/* ============================================================
   CALCULATOR SECTION STYLES
   ============================================================ */

.calculator-section {
    padding: 60px 20px;
    background: linear-gradient(135deg, #f8fbfc 0%, #f0f9fb 100%);
}

.calculator-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.calculator-container {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 180, 219, 0.1);
}

/* ============================================================
   FORM ELEMENTS
   ============================================================ */

.calculator-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.calc-input-group {
    display: flex;
    flex-direction: column;
}

.calc-input-group label {
    font-size: 14px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calc-input-group label[data-lang="en"] {
    font-weight: 400;
}

.calc-input-group select,
.calc-input-group input {
    padding: 12px 16px;
    border: 2px solid #d0e8f2;
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Inter', 'Poppins', sans-serif;
    transition: all 0.3s ease;
    background: #ffffff;
    color: #2c3e50;
}

.calc-input-group select:focus,
.calc-input-group input:focus {
    outline: none;
    border-color: #00b4db;
    box-shadow: 0 0 0 3px rgba(0, 180, 219, 0.1);
    background: #f0f9fb;
}

.calc-input-group select:hover,
.calc-input-group input:hover {
    border-color: #00b4db;
}

.calc-input-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2300b4db' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

/* ============================================================
   ROOM INPUTS CONTAINER - IMPORTANT!
   ============================================================ */

#room-inputs-container {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    margin-bottom: 30px;
    padding: 20px;
    background: #f8fbfc;
    border-radius: 12px;
    min-height: 0;
}

.room-inputs-container {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    margin-bottom: 30px;
    padding: 20px;
    background: #f8fbfc;
    border-radius: 12px;
}

.room-input-group {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 15px;
    align-items: center;
    margin-bottom: 15px;
    animation: slideIn 0.3s ease;
}

.room-input-group:last-child {
    margin-bottom: 0;
}

.room-input-group label {
    margin-bottom: 0;
    min-width: 120px;
}

.room-area-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #d0e8f2;
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Inter', 'Poppins', sans-serif;
    transition: all 0.3s ease;
    background: #ffffff;
    color: #2c3e50;
}

.room-area-input:focus {
    outline: none;
    border-color: #00b4db;
    box-shadow: 0 0 0 3px rgba(0, 180, 219, 0.1);
    background: #f0f9fb;
}

.room-area-input:hover {
    border-color: #00b4db;
}

.room-area-input::placeholder {
    color: #a0c4d4;
}

/* ============================================================
   RESULT DISPLAY - IMPORTANT!
   ============================================================ */

#calculator-result {
    display: none;
    margin-top: 40px;
    animation: fadeIn 0.5s ease;
}

.calculator-result {
    display: none;
    margin-top: 40px;
}

#calculator-result[style*="display: block"],
.calculator-result[style*="display: block"] {
    display: block !important;
    animation: fadeIn 0.5s ease;
}

.result-box {
    background: linear-gradient(135deg, #00b4db 0%, #0088cc 100%);
    border-radius: 16px;
    padding: 30px;
    color: white;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 180, 219, 0.25);
}

.result-text {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    opacity: 0.95;
}

.result-text[data-lang="en"] {
    display: block;
    margin-bottom: 10px;
}

#result-output {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.6;
    color: white;
}

#result-output strong {
    font-weight: 800;
    font-size: 26px;
    display: inline-block;
}

.result-output {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.6;
    color: white;
}

.result-output strong {
    font-weight: 800;
    font-size: 26px;
    display: inline-block;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

@media (max-width: 768px) {
    .calculator-section {
        padding: 40px 15px;
    }

    .calculator-container {
        padding: 30px 20px;
    }

    .calculator-row {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 20px;
    }

    .room-input-group {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .room-input-group label {
        min-width: auto;
    }

    .result-box {
        padding: 25px 20px;
    }

    .result-output {
        font-size: 18px;
    }

    .result-output strong {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .calculator-section {
        padding: 30px 10px;
    }

    .calculator-container {
        padding: 20px 15px;
        border-radius: 15px;
    }

    .calc-input-group label {
        font-size: 12px;
    }

    .calc-input-group select,
    .calc-input-group input {
        font-size: 14px;
        padding: 10px 12px;
    }

    .room-inputs-container {
        padding: 12px;
    }

    .room-input-group {
        gap: 6px;
    }

    .room-area-input {
        padding: 10px 12px;
        font-size: 14px;
    }

    .result-text {
        font-size: 11px;
    }

    .result-output {
        font-size: 16px;
    }

    .result-output strong {
        font-size: 18px;
    }

    .result-box {
        padding: 20px 15px;
        border-radius: 12px;
    }
}

/* ============================================================
   ENSURE VISIBILITY
   ============================================================ */

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a3a52;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 16px;
    color: #555;
    margin-top: 10px;
}

.title-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #00b4db 0%, #53c2ff 100%);
    margin: 15px auto;
    border-radius: 2px;
}

.contact-info-full {
    text-align: center;
}

.contact-info-full h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.contact-info-full .title-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    margin: var(--spacing-md) auto var(--spacing-lg);
    border-radius: 2px;
}

/* ============================================================
COST ANALYSIS SECTION STYLES - NOWA WERSJA
============================================================ */

.cost-analysis-section {
  padding: 60px 20px;
  background: linear-gradient(135deg, #f8fbfc 0%, #e3f2fd 100%);
}

.cost-analysis-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  animation-delay: 0.2s;
}

.cost-analysis-container {
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 8px 32px rgba(0, 119, 182, 0.12);
  border: 1px solid rgba(0, 180, 219, 0.15);
}

/* ============================================================
INPUT ROW - Two columns
============================================================ */

.cost-input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.cost-input-group {
  display: flex;
  flex-direction: column;
}

.cost-input-group label {
  font-size: 13px;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
}

/* ============================================================
RADIO BUTTONS - Room Size Selection
============================================================ */

.radio-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.radio-option {
  position: relative;
  cursor: pointer;
}

.radio-option input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.radio-text {
  display: block;
  padding: 12px 16px;
  border: 2px solid #d0e8f2;
  border-radius: 12px;
  text-align: center;
  font-weight: 600;
  color: #6C757D;
  transition: all 0.3s ease;
  background: white;
  font-size: 14px;
}

.radio-option input:checked + .radio-text {
  border-color: #00b4db;
  background: #f0f9fb;
  color: #0077B6;
  box-shadow: 0 0 0 3px rgba(0, 180, 219, 0.1);
}

.radio-option input:hover + .radio-text {
  border-color: #00b4db;
}

/* ============================================================
ENERGY PRICE INPUT
============================================================ */

.price-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}

.energy-price-input {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid #d0e8f2;
  border-radius: 12px;
  font-size: 15px;
  font-family: 'Inter', 'Poppins', sans-serif;
  transition: all 0.3s ease;
  background: white;
  color: #2c3e50;
  font-weight: 600;
}

.energy-price-input:focus {
  outline: none;
  border-color: #00b4db;
  box-shadow: 0 0 0 3px rgba(0, 180, 219, 0.1);
  background: #f0f9fb;
}

.energy-price-input:hover {
  border-color: #00b4db;
}

.price-unit {
  font-weight: 700;
  color: #0077B6;
  font-size: 14px;
  min-width: 50px;
}

/* ============================================================
FORMULA BOX
============================================================ */

.formula-box {
  background: linear-gradient(135deg, rgba(0, 180, 219, 0.08) 0%, rgba(0, 119, 182, 0.05) 100%);
  border: 2px solid rgba(0, 180, 219, 0.3);
  border-radius: 16px;
  padding: 25px;
  margin-bottom: 40px;
  text-align: center;
  animation-delay: 0.3s;
}

.formula-text {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 16px;
}

.formula-value {
  font-weight: 700;
  color: #0077B6;
  font-size: 18px;
  padding: 6px 10px;
  background: white;
  border-radius: 8px;
  min-width: 60px;
  text-align: center;
}

.formula-label {
  font-weight: 600;
  color: #6C757D;
  font-size: 14px;
}

.formula-multiply {
  font-weight: 700;
  color: #00b4db;
  font-size: 18px;
  margin: 0 4px;
}

.formula-equals {
  font-weight: 700;
  color: #00b4db;
  font-size: 20px;
  margin: 0 8px;
}

.formula-result {
  font-weight: 800;
  color: #00b4db;
  font-size: 22px;
  padding: 8px 14px;
  background: rgba(0, 180, 219, 0.15);
  border-radius: 8px;
  min-width: 80px;
  text-align: center;
}

.result-label {
  font-weight: 700;
  color: #00b4db;
}

/* ============================================================
RESULTS GRID - 4 Cards
============================================================ */

.cost-results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cost-result-card {
  background: white;
  border-radius: 16px;
  padding: 25px;
  text-align: center;
  border: 2px solid rgba(0, 180, 219, 0.2);
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 119, 182, 0.08);
}

.cost-result-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 180, 219, 0.4);
  box-shadow: 0 8px 24px rgba(0, 119, 182, 0.15);
}

.cost-result-card.solar-savings {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  border: none;
  color: white;
}

.cost-result-card.solar-savings:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.3);
}

.result-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: #6C757D;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.cost-result-card.solar-savings .result-label {
  color: rgba(255, 255, 255, 0.9);
}

.result-value {
  font-size: 28px;
  font-weight: 800;
  color: #0077B6;
  line-height: 1.2;
}

.cost-result-card.solar-savings .result-value {
  color: white;
}

/* ============================================================
RESPONSIVE DESIGN
============================================================ */

@media (max-width: 1024px) {
  .cost-analysis-container {
    padding: 30px;
  }

  .cost-input-row {
    gap: 30px;
  }

  .radio-group {
    grid-template-columns: repeat(2, 1fr);
  }

  .cost-results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .cost-analysis-section {
    padding: 40px 15px;
  }

  .cost-analysis-container {
    padding: 25px 20px;
  }

  .cost-input-row {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .radio-group {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .radio-text {
    padding: 10px 12px;
    font-size: 13px;
  }

  .formula-box {
    padding: 20px;
  }

  .formula-text {
    gap: 6px;
    font-size: 14px;
  }

  .formula-value {
    font-size: 16px;
    min-width: 50px;
  }

  .formula-result {
    font-size: 20px;
    min-width: 70px;
  }

  .cost-results-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .result-value {
    font-size: 24px;
  }
}

@media (max-width: 600px) {
  .cost-analysis-container {
    padding: 20px 15px;
  }

  .cost-input-row {
    gap: 15px;
  }

  .cost-input-group label {
    font-size: 12px;
    margin-bottom: 10px;
  }

  .radio-group {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .radio-text {
    padding: 9px 10px;
    font-size: 12px;
  }

  .price-input-wrapper {
    gap: 8px;
  }

  .energy-price-input {
    padding: 10px 12px;
    font-size: 14px;
  }

  .price-unit {
    font-size: 12px;
  }

  .formula-box {
    padding: 15px;
    margin-bottom: 30px;
  }

  .formula-text {
    gap: 4px;
    font-size: 12px;
  }

  .formula-value {
    font-size: 14px;
    min-width: 45px;
    padding: 4px 8px;
  }

  .formula-label {
    font-size: 12px;
  }

  .formula-multiply {
    font-size: 16px;
    margin: 0 2px;
  }

  .formula-equals {
    font-size: 18px;
    margin: 0 4px;
  }

  .formula-result {
    font-size: 18px;
    min-width: 60px;
    padding: 6px 10px;
  }

  .cost-results-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .cost-result-card {
    padding: 20px;
  }

  .result-label {
    font-size: 11px;
    margin-bottom: 8px;
  }

  .result-value {
    font-size: 20px;
  }
}
/* ===== INVESTMENT SHOWCASE SECTION ===== */

.investment-showcase-section {
  padding: 60px 20px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
}

.investment-cards-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 50px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.investment-card {
  position: relative;
  border-radius: 16px;
  padding: 40px 30px;
  color: white;
  text-align: center;
  overflow: hidden;
  transition: all 0.3s ease-out;
  box-shadow: 0 8px 24px rgba(0, 119, 182, 0.15);
  cursor: pointer;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Kafelek 1 - MIESZKANIE 50m2 */
.investment-card.card-one {
  background: linear-gradient(135deg, #00b4db 0%, #0088cc 100%);
  animation-delay: 0.2s;
}

/* Kafelek 2 - DOM 120m2 */
.investment-card.card-two {
  background: linear-gradient(135deg, #00a8ce 0%, #0077b6 100%);
  animation-delay: 0.4s;
}

/* Animacja hover dla kafelków */
.investment-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 36px rgba(0, 119, 182, 0.25);
}

/* Animacja wewnętrzna - pulsujące tło */
.investment-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  opacity: 0;
  animation: shimmer 3s infinite;
  z-index: 0;
  pointer-events: none;
}

.card-inner {
  position: relative;
  z-index: 1;
}

.card-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 15px;
  color: white;
  letter-spacing: -0.5px;
}

.card-text {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.5;
}

.card-price {
  margin-top: 25px;
}

.price-range {
  display: inline-block;
  font-size: 28px;
  font-weight: 800;
  color: #ffffff;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease-out;
}

.investment-card:hover .price-range {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.05);
}

/* Animacja shimmer - efekt błysku */
@keyframes shimmer {
  0% {
    opacity: 0;
    transform: translateX(-100%);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* Responsywność */
@media (max-width: 768px) {
  .investment-showcase-section {
    padding: 40px 15px;
  }

  .investment-cards-wrapper {
    gap: 30px;
    margin-top: 40px;
  }

  .investment-card {
    padding: 30px 20px;
    min-height: 250px;
  }

  .card-title {
    font-size: 20px;
    margin-bottom: 12px;
  }

  .card-text {
    font-size: 14px;
    margin-bottom: 15px;
  }

  .price-range {
    font-size: 24px;
    padding: 10px 20px;
  }
}

@media (max-width: 480px) {
  .investment-cards-wrapper {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .investment-card {
    padding: 25px 15px;
    min-height: 220px;
  }

  .card-title {
    font-size: 18px;
  }

  .card-text {
    font-size: 13px;
  }

  .price-range {
    font-size: 20px;
    padding: 8px 16px;
  }
}

/* ===== ALTERNATIVES HEADER ===== */

.alternatives-header {
  text-align: center;
  padding: 0;
  margin-top: 80px;
  margin-bottom: 50px;
}

.alternatives-title {
  font-size: 28px;
  font-weight: 700;
  color: #c0152f;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.alternatives-subtitle {
  font-size: 16px;
  color: #666;
  margin: 0;
  font-weight: 500;
}

/* ===== ALTERNATIVES GROUP HEADER ===== */

.alternatives-group-header {
  text-align: center;
  margin-bottom: 25px;
  padding: 15px 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

.group-title {
  font-size: 16px;
  font-weight: 600;
  color: #0077b6;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== ALTERNATIVES CARDS WRAPPER - KRYTYCZNE ===== */

.alternatives-cards-wrapper-full {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 15px;
  margin-bottom: 40px;
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
  padding: 0;
}

/* ===== ALTERNATIVE CARDS - ANTAGONIST STYLE ===== */

.investment-card.card-alternative {
  background: linear-gradient(135deg, #ff6b6b 0%, #ff5252 100%);
  position: relative;
  animation-delay: 0.3s;
  padding: 20px 14px;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(255, 107, 107, 0.2);
  transition: all 0.3s ease-out;
  margin: 0;
  border: none;
  width: 100%;
  flex-direction: column;
}

/* Gradient variations */
.investment-card.card-alternative:nth-child(1),
.investment-card.card-alternative:nth-child(4) {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
}

.investment-card.card-alternative:nth-child(2),
.investment-card.card-alternative:nth-child(5) {
  background: linear-gradient(135deg, #ff7b6b 0%, #ff6a5a 100%);
}

.investment-card.card-alternative:nth-child(3),
.investment-card.card-alternative:nth-child(6) {
  background: linear-gradient(135deg, #ff5252 0%, #e84545 100%);
}

/* Card inner */
.card-alternative .card-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  width: 100%;
}

/* Alternative title */
.alternative-title {
  color: white;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.2;
  margin-top: 0;
  padding: 0;
}

/* Card text */
.card-alternative .card-text {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.4;
  margin-top: 0;
  padding: 0;
}

.card-alternative .card-text strong {
  font-weight: 700;
}

/* Price styling */
.card-alternative .card-price {
  margin: 0;
  padding: 0;
}

.alternative-price {
  font-size: 15px;
  font-weight: 800;
  color: #ffffff;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  display: inline-block;
  transition: all 0.3s ease-out;
  white-space: nowrap;
  margin: 0;
}

.card-alternative:hover .alternative-price {
  background: rgba(255, 255, 255, 0.35);
  border-color: rgba(255, 255, 255, 0.6);
  transform: scale(1.08);
}

.card-alternative:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 36px rgba(255, 107, 107, 0.35);
}

/* ===== RESPONSIVE DESIGN ===== */

@media (max-width: 1600px) {
  .alternatives-cards-wrapper-full {
    grid-template-columns: repeat(6, 1fr);
    gap: 14px;
  }

  .investment-card.card-alternative {
    padding: 18px 12px;
    min-height: 240px;
  }

  .alternative-title {
    font-size: 15px;
    margin-bottom: 8px;
  }

  .card-alternative .card-text {
    font-size: 12px;
    margin-bottom: 10px;
  }

  .alternative-price {
    font-size: 14px;
    padding: 7px 11px;
  }
}

@media (max-width: 1400px) {
  .alternatives-cards-wrapper-full {
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
  }

  .investment-card.card-alternative {
    padding: 16px 10px;
    min-height: 220px;
  }

  .alternative-title {
    font-size: 14px;
    margin-bottom: 7px;
  }

  .card-alternative .card-text {
    font-size: 11px;
    margin-bottom: 9px;
  }

  .alternative-price {
    font-size: 13px;
    padding: 6px 10px;
  }

  .group-title {
    font-size: 15px;
  }
}

@media (max-width: 1200px) {
  .alternatives-cards-wrapper-full {
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
  }

  .investment-card.card-alternative {
    padding: 14px 8px;
    min-height: 200px;
  }

  .alternative-title {
    font-size: 13px;
    margin-bottom: 6px;
  }

  .card-alternative .card-text {
    font-size: 10px;
    margin-bottom: 8px;
  }

  .alternative-price {
    font-size: 12px;
    padding: 5px 8px;
  }

  .group-title {
    font-size: 14px;
  }
}

@media (max-width: 1024px) {
  .alternatives-cards-wrapper-full {
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
  }

  .investment-card.card-alternative {
    padding: 12px 6px;
    min-height: 180px;
  }

  .alternative-title {
    font-size: 12px;
    margin-bottom: 5px;
  }

  .card-alternative .card-text {
    font-size: 9px;
    margin-bottom: 6px;
  }

  .alternative-price {
    font-size: 11px;
    padding: 4px 7px;
  }

  .group-title {
    font-size: 13px;
  }

  .alternatives-group-header {
    margin-bottom: 20px;
  }
}

@media (max-width: 900px) {
  .alternatives-cards-wrapper-full {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .investment-card.card-alternative {
    padding: 18px 10px;
    min-height: 200px;
  }

  .alternative-title {
    font-size: 14px;
    margin-bottom: 8px;
  }

  .card-alternative .card-text {
    font-size: 11px;
    margin-bottom: 10px;
  }

  .alternative-price {
    font-size: 13px;
    padding: 6px 9px;
  }
}

@media (max-width: 768px) {
  .alternatives-cards-wrapper-full {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .investment-card.card-alternative {
    padding: 18px 10px;
    min-height: 200px;
  }

  .alternatives-header {
    margin: 50px 0 35px 0;
  }

  .alternatives-title {
    font-size: 22px;
  }

  .alternatives-subtitle {
    font-size: 14px;
  }

  .alternatives-group-header {
    margin-bottom: 20px;
    padding: 15px 0;
  }

  .group-title {
    font-size: 15px;
  }

  .alternative-title {
    font-size: 14px;
    margin-bottom: 8px;
  }

  .card-alternative .card-text {
    font-size: 11px;
    margin-bottom: 10px;
  }

  .alternative-price {
    font-size: 13px;
    padding: 6px 9px;
  }
}

@media (max-width: 480px) {
  .alternatives-cards-wrapper-full {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .investment-card.card-alternative {
    padding: 16px 10px;
    min-height: 160px;
  }

  .alternatives-header {
    margin: 40px 0 25px 0;
  }

  .alternatives-title {
    font-size: 18px;
  }

  .alternatives-subtitle {
    font-size: 12px;
  }

  .alternatives-group-header {
    margin-bottom: 15px;
    padding: 10px 0;
  }

  .group-title {
    font-size: 13px;
  }

  .alternative-title {
    font-size: 12px;
    margin-bottom: 6px;
  }

  .card-alternative .card-text {
    font-size: 10px;
    margin-bottom: 8px;
  }

  .alternative-price {
    font-size: 11px;
    padding: 5px 7px;
  }
}

/* ===== ALTERNATIVES FULL WIDTH WRAPPER ===== */

.alternatives-full-wrapper {
  width: 100%;
  padding: 0 20px;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  background: transparent;
}

/* ===== ALTERNATIVES HEADER ===== */

.alternatives-header {
  text-align: center;
  padding: 0;
  margin-top: 80px;
  margin-bottom: 50px;
}

.alternatives-title {
  font-size: 28px;
  font-weight: 700;
  color: #c0152f;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.alternatives-subtitle {
  font-size: 16px;
  color: #666;
  margin: 0;
  font-weight: 500;
}

/* ===== ALTERNATIVES CARDS WRAPPER - 6 KAFELKÓW ===== */

.alternatives-cards-wrapper-full {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 15px;
  margin-bottom: 40px;
  width: 100%;
  max-width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

/* ===== NAGŁÓWKI WYŚRODKOWANE ===== */

.group-header-overlay {
  position: absolute;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: #0077b6;
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  top: -50px;
  border: none;
  padding: 0;
  width: calc(50% - 7.5px);
}

.group-header-overlay.left {
  left: 0;
}

.group-header-overlay.right {
  right: 0;
  text-align: center;
}

/* ===== ALTERNATIVE CARDS ===== */

.investment-card.card-alternative {
  background: linear-gradient(135deg, #ff6b6b 0%, #ff5252 100%);
  position: relative;
  animation-delay: 0.3s;
  padding: 20px 14px;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(255, 107, 107, 0.2);
  transition: all 0.3s ease-out;
  margin: 0 !important;
  border: none !important;
  width: 100%;
  flex-direction: column;
}

/* Gradient variations */
.investment-card.card-alternative:nth-child(3) {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
}

.investment-card.card-alternative:nth-child(4) {
  background: linear-gradient(135deg, #ff7b6b 0%, #ff6a5a 100%);
}

.investment-card.card-alternative:nth-child(5) {
  background: linear-gradient(135deg, #ff5252 0%, #e84545 100%);
}

.investment-card.card-alternative:nth-child(9) {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
}

.investment-card.card-alternative:nth-child(10) {
  background: linear-gradient(135deg, #ff7b6b 0%, #ff6a5a 100%);
}

.investment-card.card-alternative:nth-child(11) {
  background: linear-gradient(135deg, #ff5252 0%, #e84545 100%);
}

/* Card inner */
.card-alternative .card-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  width: 100%;
}

/* Alternative title */
.alternative-title {
  color: white;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.2;
  margin-top: 0 !important;
  padding: 0 !important;
}

/* Card text */
.card-alternative .card-text {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 12px !important;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.4;
  margin-top: 0 !important;
  padding: 0 !important;
}

.card-alternative .card-text strong {
  font-weight: 700;
}

/* Price styling */
.card-alternative .card-price {
  margin: 0 !important;
  padding: 0 !important;
}

.alternative-price {
  font-size: 15px;
  font-weight: 800;
  color: #ffffff;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  display: inline-block;
  transition: all 0.3s ease-out;
  white-space: nowrap;
  margin: 0 !important;
}

.card-alternative:hover .alternative-price {
  background: rgba(255, 255, 255, 0.35);
  border-color: rgba(255, 255, 255, 0.6);
  transform: scale(1.08);
}

.card-alternative:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 36px rgba(255, 107, 107, 0.35);
}

/* ===== RESPONSIVE ===== */

@media (max-width: 1200px) {
  .alternatives-cards-wrapper-full {
    gap: 12px;
    padding: 60px 15px 0 15px;
  }

  .alternatives-full-wrapper {
    padding: 0 15px;
  }

  .group-header-overlay {
    font-size: 12px;
    height: 50px;
    top: -50px;
    width: calc(50% - 6px);
  }

  .investment-card.card-alternative {
    padding: 16px 10px;
    min-height: 230px;
  }

  .alternative-title {
    font-size: 14px;
  }

  .card-alternative .card-text {
    font-size: 11px;
  }

  .alternative-price {
    font-size: 13px;
  }
}

@media (max-width: 1024px) {
  .alternatives-cards-wrapper-full {
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
    padding: 60px 15px 0 15px;
  }

  .group-header-overlay {
    font-size: 11px;
    height: 45px;
    top: -45px;
    width: calc(50% - 5px);
  }

  .investment-card.card-alternative {
    padding: 14px 8px;
    min-height: 200px;
  }

  .alternative-title {
    font-size: 13px;
  }

  .card-alternative .card-text {
    font-size: 10px;
  }

  .alternative-price {
    font-size: 12px;
    padding: 6px 10px;
  }
}

@media (max-width: 900px) {
  .alternatives-cards-wrapper-full {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 0 15px;
  }

  .group-header-overlay {
    position: static;
    border: none;
    height: auto;
    width: 100%;
    margin-bottom: 15px;
    padding: 10px 0;
    text-align: center;
    font-size: 13px;
    top: auto;
  }

  .group-header-overlay.left,
  .group-header-overlay.right {
    width: 100%;
    text-align: center;
  }

  .investment-card.card-alternative {
    padding: 18px 10px;
    min-height: 200px;
  }

  .alternative-title {
    font-size: 14px;
  }

  .card-alternative .card-text {
    font-size: 11px;
  }

  .alternative-price {
    font-size: 13px;
  }
}

@media (max-width: 768px) {
  .alternatives-cards-wrapper-full {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 0 10px;
  }

  .alternatives-full-wrapper {
    padding: 0 10px;
  }

  .alternatives-header {
    margin: 50px 0 35px 0;
  }

  .alternatives-title {
    font-size: 22px;
  }

  .alternatives-subtitle {
    font-size: 14px;
  }

  .group-header-overlay {
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .alternatives-cards-wrapper-full {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 0 8px;
  }

  .alternatives-full-wrapper {
    padding: 0 8px;
  }

  .investment-card.card-alternative {
    padding: 14px 8px;
    min-height: 160px;
  }

  .alternative-title {
    font-size: 12px;
  }

  .card-alternative .card-text {
    font-size: 9px;
  }

  .alternative-price {
    font-size: 11px;
  }

  .group-header-overlay {
    font-size: 10px;
    margin-bottom: 10px;
  }
}
/* =========================================
   Pasek promocyjny pod logiem - PRAWIDŁOWA WERSJA
   ========================================= */

.promo-banner {
    background: linear-gradient(90deg, #FF6B35, #F7931E);
    color: white;
    padding: 1rem 0;
    margin: 15px 0 20px 0;
    border-radius: 0;
    border-top: 4px solid #FF3D00;
    border-bottom: 4px solid #FF3D00;
    box-shadow: 0 8px 32px rgba(255, 107, 53, 0.4);
    width: 100%;
}

.promo-banner .container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.promo-banner p {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
    text-align: center;
}

.promo-highlight {
    font-weight: 800;
    background: rgba(255, 255, 255, 0.25);
    padding: 0.35rem 0.9rem;
    border-radius: 8px;
    margin-right: 0.8rem;
    display: inline-block;
    color: #FFF;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

/* Responsywność */
@media (max-width: 768px) {
    .promo-banner {
        padding: 0.8rem 0;
        border-top: 3px solid #FF3D00;
        border-bottom: 3px solid #FF3D00;
    }

    .promo-banner p {
        font-size: 0.9rem;
        letter-spacing: 0.05em;
    }

    .promo-highlight {
        display: block;
        margin: 0 auto 0.3rem auto;
        padding: 0.3rem 0.7rem;
    }
}

@media (max-width: 480px) {
    .promo-banner p {
        font-size: 0.75rem;
    }

    .promo-highlight {
        font-size: 0.85rem;
        padding: 0.25rem 0.6rem;
    }
}

/* =========================================
   Baner Ekologiczny - NANOTECHNOLOGIA
   ========================================= */

.eco-banner {
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    padding: 1.8rem 0;
    margin: 0 0 20px 0;
    border-radius: 0;
    width: 100%;
    box-shadow: 0 6px 24px rgba(0, 119, 182, 0.3);
    border-top: 4px solid rgba(255, 255, 255, 0.4);
    border-bottom: 4px solid rgba(255, 255, 255, 0.4);
    position: relative;
    overflow: hidden;
}

/* Tło z subtelnym wzorem */
.eco-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.05) 0%, transparent 50%);
    pointer-events: none;
}

.eco-banner-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.eco-icon {
    font-size: 2.4rem;
    display: inline-block;
    opacity: 0.95;
    animation: float 3s ease-in-out infinite;
}

.eco-icon:nth-child(3) {
    animation-delay: 0.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.eco-banner p {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    letter-spacing: 0.08em;
    font-weight: 600;
    text-align: center;
    color: white;
    line-height: 1.4;
}


/* NANOTECHNOLOGII - EFEKTOWNIE */
.nano-highlight {
    font-weight: 800;
    font-size: 1.8rem !important;
    color: white;
    background: linear-gradient(135deg, var(--light-blue), var(--secondary-blue));
    padding: 0.4rem 1.2rem;
    border-radius: 12px;
    position: relative;
    display: inline-block;
    box-shadow: 0 0 30px rgba(144, 224, 239, 0.6),
                0 0 50px rgba(0, 180, 216, 0.4),
                0 6px 15px rgba(0, 119, 182, 0.3);
    animation: glow-blue 2s ease-in-out infinite;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.05em;
    line-height: 1.2;
    vertical-align: middle;
}

@keyframes glow-blue {
    0%, 100% {
        box-shadow: 0 0 30px rgba(144, 224, 239, 0.6),
                    0 0 50px rgba(0, 180, 216, 0.4),
                    0 6px 15px rgba(0, 119, 182, 0.3);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 50px rgba(144, 224, 239, 0.9),
                    0 0 80px rgba(0, 180, 216, 0.6),
                    0 8px 25px rgba(0, 119, 182, 0.5);
        transform: scale(1.02);
    }
}


/* Responsywność */
@media (max-width: 768px) {
    .eco-banner {
        padding: 1.4rem 0;
        border-top: 3px solid rgba(255, 255, 255, 0.3);
        border-bottom: 3px solid rgba(255, 255, 255, 0.3);
    }

    .eco-banner-content {
        gap: 12px;
    }

    .eco-icon {
        font-size: 1.8rem;
    }

    .eco-banner p {
        font-size: 1.1rem;
        letter-spacing: 0.05em;
    }

    .nano-highlight {
        font-size: 1.3rem;
        padding: 0.15rem 0.6rem;
    }
}

@media (max-width: 480px) {
    .eco-banner {
        padding: 1.1rem 0;
    }

    .eco-banner-content {
        gap: 10px;
        flex-direction: column;
    }

    .eco-icon {
        font-size: 1.5rem;
    }

    .eco-banner p {
        font-size: 0.95rem;
        letter-spacing: 0.03em;
    }

    .nano-highlight {
        font-size: 1.1rem;
        padding: 0.12rem 0.5rem;
    }
}