/* ==========================================================================
   DESIGN SYSTEM & CUSTOM PROPERTIES
   ========================================================================== */
:root {
    --dark-red: #521B12;
    --not-beige: #D3CABA;
    --cloudy-sky: #C6CBD3;
    --muted-orange: #D97706;
    --white: #FFFFFF;
    --dark-text: #1F1513;
    --light-text: #FBF9F8;
    --gray-bg: #F4F5F6;
    
    /* Font styles */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-logo: 'Alex Brush', cursive;

    /* Transition defaults */
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-premium: 0 10px 30px rgba(82, 27, 18, 0.06);
    --shadow-premium-hover: 0 15px 40px rgba(82, 27, 18, 0.12);
}

/* ==========================================================================
   BASE STYLES & RESET
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--light-text);
}

body {
    font-family: var(--font-body);
    color: var(--dark-text);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: #F8F9FA;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--dark-red);
    line-height: 1.25;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-center {
    text-align: center;
}

/* Section general titles */
.section-title {
    font-size: 2.25rem;
    position: relative;
    margin-bottom: 3.5rem;
    text-transform: capitalize;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--muted-orange);
    border-radius: 2px;
}

/* Button general style */
.btn {
    display: inline-block;
    padding: 0.85rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.8rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-family: var(--font-logo);
    font-size: 2.6rem;
    font-weight: 400;
    color: var(--dark-red);
    line-height: 1;
    transform: rotate(-3deg);
    display: inline-block;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark-text);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--dark-red);
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--dark-red);
}

.nav-link:hover::after {
    width: 100%;
}

.btn-nav-contact {
    display: inline-block;
    background-color: var(--dark-red);
    color: var(--white);
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1px;
    box-shadow: 0 4px 10px rgba(82, 27, 18, 0.2);
}

.btn-nav-contact:hover {
    background-color: var(--dark-text);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(82, 27, 18, 0.3);
}

/* Hamburger toggle */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--dark-red);
    cursor: pointer;
}

/* Mobile overlay navigation */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(82, 27, 18, 0.98);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
}

.mobile-nav-link:hover {
    color: var(--not-beige);
}

.btn-mobile-contact {
    background-color: var(--white);
    color: var(--dark-red) !important;
    padding: 0.8rem 2.5rem;
    border-radius: 4px;
    margin-top: 1rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    position: relative;
    padding-top: 90px;
    height: 95vh;
    min-height: 550px;
    display: flex;
    align-items: center;
    background-image: url('assets/hero_bg.png');
    background-size: cover;
    background-position: center;
    color: var(--white);
    overflow: hidden;
}

.hero-background-tint {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(82, 27, 18, 0.85) 0%, rgba(20, 5, 3, 0.8) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
    z-index: 2;
}

.hero-content {
    max-width: 750px;
}

.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 4px;
    color: var(--not-beige);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.hero-quote {
    font-family: var(--font-body);
    font-size: 1.4rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
    padding-left: 1.5rem;
    border-left: 4px solid var(--muted-orange);
}

.btn-hero {
    display: inline-block;
    background-color: var(--muted-orange);
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 1px;
    box-shadow: 0 5px 15px rgba(217, 119, 6, 0.35);
}

.btn-hero:hover {
    background-color: #C26A05;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(217, 119, 6, 0.5);
}

/* ==========================================================================
   O MNIE SECTION
   ========================================================================== */
.o-mnie-section {
    padding: 6.5rem 0;
    background-color: var(--not-beige);
    position: relative;
}

.o-mnie-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 4rem;
    align-items: start;
}

/* Avatar layout */
.avatar-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    position: sticky;
    top: 110px;
}

.avatar-frame {
    width: 250px;
    height: 310px;
    border-radius: 125px; /* Creates an oval shape */
    overflow: hidden;
    border: 8px solid rgba(82, 27, 18, 0.15);
    box-shadow: 0 15px 35px rgba(82, 27, 18, 0.15);
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.btn-avatar-contact {
    display: inline-block;
    background-color: var(--dark-red);
    color: var(--white);
    padding: 0.85rem 2rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(82, 27, 18, 0.25);
    text-align: center;
    width: 100%;
}

.btn-avatar-contact:hover {
    background-color: var(--dark-text);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(82, 27, 18, 0.35);
}

/* Info cards layout */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.info-card {
    background-color: var(--white);
    padding: 2.2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
    border-top: 4px solid transparent;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium-hover);
    border-top-color: var(--dark-red);
}

.card-header-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: rgba(82, 27, 18, 0.08);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.icon-dark-red {
    color: var(--dark-red);
    stroke-width: 2px;
}

.info-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.85rem;
    font-weight: 700;
}

.info-card p {
    font-size: 0.95rem;
    color: #4A4A4A;
    line-height: 1.6;
}

/* Special Highlited Cards */
.highlight-card {
    background-color: var(--cloudy-sky);
    border-top: 4px solid transparent;
}

.highlight-card:hover {
    border-top-color: var(--muted-orange);
}

.highlight-card h3 {
    color: var(--dark-red);
}

.highlight-card p {
    color: #2F3E46;
}

.btn-card-orange {
    display: inline-block;
    margin-top: 1.5rem;
    background-color: var(--muted-orange);
    color: var(--white);
    padding: 0.6rem 1.4rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 10px rgba(217, 119, 6, 0.2);
}

.btn-card-orange:hover {
    background-color: #C26A05;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(217, 119, 6, 0.35);
}

/* ==========================================================================
   WSPÓŁPRACA SECTION
   ========================================================================== */
.wspolpraca-section {
    padding: 6.5rem 0;
    background-color: #FDFCFB;
}

.wspolpraca-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.target-cards-column {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.wspolpraca-card {
    background-color: var(--white);
    border: 1px solid rgba(82, 27, 18, 0.08);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
}

.wspolpraca-card:hover {
    box-shadow: var(--shadow-premium-hover);
    transform: translateY(-3px);
}

.wspolpraca-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
}

.wspolpraca-card h3 .age-limit {
    font-size: 0.95rem;
    font-weight: 500;
    color: #555;
    margin-top: 0.3rem;
}

.wspolpraca-card p {
    color: #4C566A;
    margin-bottom: 2rem;
    font-size: 0.98rem;
}

.btn-wspolpraca-orange {
    display: inline-block;
    background-color: var(--muted-orange);
    color: var(--white);
    padding: 0.8rem 2rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(217, 119, 6, 0.2);
    text-align: center;
}

.btn-wspolpraca-orange:hover {
    background-color: #C26A05;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(217, 119, 6, 0.35);
}

/* Interactive booking widget */
.calendar-widget-card {
    background-color: var(--white);
    border: 1px solid rgba(82, 27, 18, 0.1);
    border-radius: 16px;
    padding: 2.2rem;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.04);
}

.calendar-widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #ECEFF1;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.widget-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.widget-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--dark-red);
}

.widget-profile h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-red);
}

.widget-sub {
    font-size: 0.8rem;
    color: #78909C;
}

.znanylekarz-badge {
    background-color: rgba(76, 175, 80, 0.1);
    color: #2E7D32;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background-color: #4CAF50;
    border-radius: 50%;
    display: inline-block;
    animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
    0% { transform: scale(0.9); opacity: 0.5; }
    50% { transform: scale(1.3); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.5; }
}

/* Month controls */
.calendar-month-selector {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
}

.calendar-arrow-btn {
    background: none;
    border: 1px solid #CFD8DC;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--dark-red);
    transition: var(--transition-smooth);
}

.calendar-arrow-btn:hover {
    background-color: var(--dark-red);
    color: var(--white);
    border-color: var(--dark-red);
}

.month-year-label {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: var(--dark-red);
}

/* Grid layout for days */
.calendar-days-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    text-align: center;
}

.calendar-day-header {
    font-weight: 700;
    font-size: 0.75rem;
    color: #90A4AE;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.calendar-day-cell {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    border: 1px solid transparent;
}

.day-empty {
    cursor: default;
    background: none;
}

.day-past {
    color: #CFD8DC;
    cursor: not-allowed;
}

.day-available {
    background-color: #ECEFF1;
    color: var(--dark-text);
}

.day-available:hover {
    background-color: var(--cloudy-sky);
    transform: scale(1.05);
}

.day-available::after {
    content: '';
    position: absolute;
    bottom: 4px;
    width: 4px;
    height: 4px;
    background-color: var(--dark-red);
    border-radius: 50%;
}

.day-selected {
    background-color: var(--dark-red) !important;
    color: var(--white) !important;
    box-shadow: 0 4px 10px rgba(82, 27, 18, 0.3);
}

.day-selected::after {
    background-color: var(--white) !important;
}

/* Time slots container */
.time-slots-container {
    margin-top: 1.5rem;
    border-top: 1px solid #ECEFF1;
    padding-top: 1.5rem;
    animation: fade-in 0.4s ease;
}

.select-time-title {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--dark-text);
    margin-bottom: 0.8rem;
}

.time-slots-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.6rem;
}

.time-slot-btn {
    background-color: var(--white);
    border: 1px solid var(--dark-red);
    color: var(--dark-red);
    padding: 0.5rem 0.2rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.time-slot-btn:hover {
    background-color: var(--dark-red);
    color: var(--white);
}

.time-slot-selected {
    background-color: var(--dark-red) !important;
    color: var(--white) !important;
    box-shadow: 0 4px 10px rgba(82, 27, 18, 0.3);
}

/* Booking confirmation box */
.booking-confirmation-box {
    margin-top: 1.5rem;
    border-top: 1px solid #ECEFF1;
    padding-top: 1.5rem;
    display: flex;
    gap: 1rem;
    background-color: rgba(76, 175, 80, 0.08);
    border-radius: 8px;
    padding: 1.2rem;
    border-left: 4px solid #4CAF50;
    animation: slide-up 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.icon-success {
    color: #4CAF50;
    flex-shrink: 0;
    stroke-width: 2.5px;
}

.confirmation-text {
    flex-grow: 1;
}

.conf-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: #2E7D32;
    margin-bottom: 0.2rem;
}

#final-booking-details {
    font-size: 0.85rem;
    color: #37474F;
    line-height: 1.4;
}

.btn-confirm-booking {
    align-self: center;
    background-color: var(--dark-red);
    color: var(--white);
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
    white-space: nowrap;
}

.btn-confirm-booking:hover {
    background-color: var(--dark-text);
}

/* ==========================================================================
   BLOG SECTION
   ========================================================================== */
.blog-section {
    padding: 6.5rem 0;
    background-color: var(--gray-bg);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.blog-card {
    background-color: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    box-shadow: var(--shadow-premium-hover);
    transform: translateY(-5px);
}

.blog-image-wrapper {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.blog-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.blog-card:hover .blog-img {
    transform: scale(1.05);
}

.blog-card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card-content h3 {
    font-size: 1.35rem;
    margin-bottom: 0.8rem;
}

.blog-card-content p {
    color: #555555;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.blog-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #ECEFF1;
    padding-top: 1.2rem;
    margin-top: auto;
}

.blog-meta-time {
    font-size: 0.8rem;
    font-weight: 600;
    color: #90A4AE;
}

.blog-read-more {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--dark-red);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.blog-read-more:hover {
    color: var(--muted-orange);
    gap: 0.6rem;
}

/* ==========================================================================
   FOOTER & CONTACT SECTION
   ========================================================================== */
.footer-section {
    background-color: var(--dark-red);
    color: var(--white);
    padding: 6.5rem 0 0 0;
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    margin-bottom: 5rem;
}

.footer-title {
    color: var(--white);
    font-size: 2.25rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 45px;
    height: 3px;
    background-color: var(--muted-orange);
    border-radius: 2px;
}

.footer-logo {
    display: block;
    font-family: var(--font-logo);
    font-size: 3.5rem;
    font-weight: 400;
    color: var(--white);
    line-height: 1;
    transform: rotate(-3deg);
    margin: 1.5rem 0 3rem 0;
    display: inline-block;
}

.footer-contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: 3.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-icon {
    color: var(--not-beige);
    width: 22px;
    height: 22px;
    stroke-width: 2px;
}

.contact-link {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
}

.contact-link:hover {
    color: var(--not-beige);
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.social-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition-smooth);
}

.social-icon-btn:hover {
    background-color: var(--muted-orange);
    transform: translateY(-3px);
}

/* Contact form element */
.footer-form-column {
    background-color: rgba(255, 255, 255, 0.04);
    border-radius: 16px;
    padding: 3.5rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.form-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 2.2rem;
    line-height: 1.3;
}

.contact-form-el {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    width: 100%;
}

.form-input {
    width: 100%;
    padding: 1rem 1.2rem;
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-input:focus {
    outline: none;
    border-color: var(--not-beige);
    background-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 10px rgba(211, 202, 186, 0.15);
}

textarea.form-input {
    resize: vertical;
}

.btn-submit-message {
    background-color: var(--white);
    color: var(--dark-red);
    padding: 1rem 2rem;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-top: 0.5rem;
}

.btn-submit-message:hover {
    background-color: var(--not-beige);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.form-success-box {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: rgba(76, 175, 80, 0.15);
    border: 1px solid #4CAF50;
    color: #81C784;
    padding: 1.2rem;
    border-radius: 8px;
    margin-top: 1.5rem;
    animation: fade-in 0.4s ease;
}

/* Footer bottom bar */
.footer-bottom {
    background-color: var(--not-beige);
    color: var(--dark-text);
    padding: 1.8rem 0;
    margin-top: 5rem;
    border-top: 1px solid rgba(82, 27, 18, 0.08);
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom-socials {
    display: none; /* Desktop default: hide bottom social links, as we have top ones */
}

.footer-copyright {
    font-size: 0.85rem;
    font-weight: 600;
    color: #4A4A4A;
}

.footer-sparkle {
    color: var(--dark-red);
    display: flex;
    align-items: center;
}

.sparkle-icon {
    width: 22px;
    height: 22px;
    stroke-width: 2px;
}

/* ==========================================================================
   ANIMATIONS & SCROLL EFFECT
   ========================================================================== */
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.appear {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE & TABLET BREAKPOINTS)
   ========================================================================== */

/* Tablet viewports */
@media (max-width: 992px) {
    .section-title {
        font-size: 2rem;
    }
    
    .o-mnie-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    
    .avatar-column {
        position: static;
    }
    
    .cards-grid {
        gap: 1.5rem;
    }
    
    .wspolpraca-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}

/* Mobile landscape and down */
@media (max-width: 768px) {
    /* Header toggling activation */
    .desktop-nav {
        display: none;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.4rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        letter-spacing: 2px;
    }
    
    .hero-quote {
        font-size: 1.15rem;
    }
    
    /* 2x2 grid for O mnie cards on mobile as specified */
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.2rem;
    }
    
    .info-card {
        padding: 1.5rem;
    }
    
    .info-card h3 {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    
    .info-card p {
        font-size: 0.85rem;
    }
    
    .footer-form-column {
        padding: 2rem;
    }
    
    .form-title {
        font-size: 1.5rem;
    }
}

/* Small mobile portrait (optimized for easy thumb-reach and vertical stacking) */
@media (max-width: 576px) {
    /* Set O mnie cards to vertical stack for compact devices if extremely narrow */
    @media (max-width: 480px) {
        .cards-grid {
            grid-template-columns: 1fr;
        }
    }
    
    .hero-section {
        height: 100vh;
    }
    
    .hero-title {
        font-size: 1.95rem;
    }
    
    .hero-quote {
        font-size: 1.05rem;
        margin-bottom: 2.5rem;
    }
    
    .avatar-frame {
        width: 200px;
        height: 250px;
        border-radius: 100px;
    }
    
    /* Show bottom footer social bar specifically on mobile */
    .footer-bottom-flex {
        flex-direction: column-reverse;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-bottom-socials {
        display: flex;
        justify-content: center;
        gap: 1.5rem;
    }
    
    .social-link-bottom {
        color: var(--dark-red);
        font-size: 1.2rem;
    }
    
    .footer-copyright {
        font-size: 0.8rem;
    }
    
    /* Fit interactive calendar sizes neatly on narrow screens */
    .calendar-widget-card {
        padding: 1.2rem;
    }
    
    .calendar-day-cell {
        font-size: 0.8rem;
    }
    
    .time-slots-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .znanylekarz-badge {
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
    }
}