/* --- ZMIENNE I KONFIGURACJA (Premium Minimalist) --- */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;  /* Klasyczna, czysta szarość Apple */
    --text-main: #1d1d1f;      /* Miękka, głęboka czerń */
    --text-muted: #6e6e73;     /* Szarość pomocnicza */
    --accent-blue: #0066cc;    /* Żywy, technologiczny niebieski z logo Kodia */
    --accent-blue-hover: #0077ed;
    --navbar-bg: rgba(255, 255, 255, 0.85);
    --card-shadow: 0 12px 40px rgba(0, 0, 0, 0.03);
    --card-shadow-hover: 0 24px 60px rgba(0, 0, 0, 0.08);
    --transition-premium: all 0.6s cubic-bezier(0.16, 1, 0.3, 1); /* Płynne, "maślane" animacje */
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- NAWIGACJA (Glassmorphism Effect) --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--navbar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    transition: var(--transition-premium);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.5px;
}

.logo img {
    height: 26px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 0.88rem;
    font-weight: 400;
    opacity: 0.7;
    transition: var(--transition-premium);
}

.nav-menu a:hover {
    opacity: 1;
    color: var(--accent-blue);
}

.nav-menu a.btn-nav {
    background-color: var(--text-main);
    color: var(--bg-primary);
    padding: 8px 16px;
    border-radius: 18px;
    font-weight: 500;
    opacity: 1;
}

.nav-menu a.btn-nav:hover {
    background-color: var(--accent-blue);
    color: white;
    transform: translateY(-1px);
}

/* --- HERO SECTION --- */
.hero-section {
    min-height: 95vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    background-image: linear-gradient(rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.25)), 
                      url('hero.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.hero-badge {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.hero-content h1 {
    font-size: 3.6rem;
    font-weight: 700;
    letter-spacing: -1.8px;
    line-height: 1.12;
    max-width: 850px;
    margin: 0 auto 24px auto;
}

.hero-content p {
    font-size: 1.35rem;
    color: var(--text-muted);
    max-width: 620px;
    margin: 0 auto 40px auto;
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
}

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 26px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-premium);
}

.btn-primary {
    background-color: var(--accent-blue);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--accent-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0, 102, 204, 0.18);
}

.btn-secondary {
    color: var(--accent-blue);
    padding: 14px 10px;
}

.btn-secondary:hover {
    transform: translateX(5px);
}

/* --- SEKCJA OFERTA --- */
.services-section {
    background-color: var(--bg-secondary);
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.8px;
    margin-bottom: 14px;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 580px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--bg-primary);
    padding: 0;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: var(--transition-premium);
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--card-shadow-hover);
}

.card-header {
    height: 160px;
    width: 100%;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-image: linear-gradient(to bottom, rgba(255,255,255,0) 40%, #ffffff 100%), var(--card-img);
}

.card-content {
    padding: 24px 36px;
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.service-card p {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.service-features {
    list-style: none;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 20px;
}

.service-features li {
    font-size: 0.88rem;
    margin-bottom: 10px;
    position: relative;
    padding-left: 22px;
    color: var(--text-main);
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: 700;
}

/* --- SEKCJA CASE STUDY --- */
.case-section {
    padding: 120px 0;
    background-color: var(--bg-primary);
}

.case-card {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    background-color: var(--bg-secondary);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(0, 0, 0, 0.02);
}

.case-visual {
    background-color: transparent !important;
    padding: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.code-mockup {
    width: 100%;
    font-family: monospace;
    color: #a9b7c6;
    font-size: 0.9rem;
}

.mockup-header {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
}

.mockup-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #ff5f56;
}
.mockup-header .dot:nth-child(2) { background-color: #ffbd2e; }
.mockup-header .dot:nth-child(3) { background-color: #27c93f; }

.code-mockup code span { color: #cc7832; }

.case-content {
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-tag {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent-blue);
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.case-content h3 {
    font-size: 1.8rem;
    letter-spacing: -0.5px;
    margin-bottom: 24px;
    line-height: 1.3;
}

.case-steps .step {
    margin-bottom: 16px;
}

.case-steps h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.case-steps p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.block-highlight {
    background-color: rgba(0, 102, 204, 0.05);
    padding: 16px;
    border-left: 3px solid var(--accent-blue);
    border-radius: 0 8px 8px 0;
}

.block-highlight p {
    color: var(--text-main);
}

/* --- SEKCJA O MNIE --- */
.about-section {
    padding: 120px 0;
    background-color: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    background-color: rgba(0, 102, 204, 0.06);
    color: var(--accent-blue);
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.about-text h2 {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: -0.8px;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1.02rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- PREMIUM IMAGE STYLING --- */
.premium-img {
    width: 100%;
    height: 100%;
    max-height: 450px;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition-premium);
}

.premium-img:hover {
    transform: scale(1.015);
    box-shadow: 0 30px 60px rgba(0, 102, 204, 0.08);
    border-color: rgba(0, 102, 204, 0.15);
}

/* --- SEKCJA KONTAKT --- */
.contact-section {
    padding: 120px 0;
    text-align: center;
    background-color: var(--bg-primary);
}

.contact-container h2 {
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -0.8px;
    margin-bottom: 14px;
}

.contact-lead {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 620px;
    margin: 0 auto 50px auto;
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.contact-method-card {
    background-color: var(--bg-secondary);
    text-decoration: none;
    color: inherit;
    padding: 0; 
    border-radius: 16px;
    min-width: 290px;
    box-shadow: var(--card-shadow);
    transition: var(--transition-premium);
    border: 1px solid transparent;
    overflow: hidden; 
    display: flex;
    flex-direction: column;
}

.contact-method-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 102, 204, 0.15);
    box-shadow: var(--card-shadow-hover);
}

.method-icon {
    display: block;
    width: 100%;
    height: 140px; 
    position: relative;
}

.method-icon img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important; 
    display: block !important;
    margin: 0 !important;
}

.method-icon::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 20%, var(--bg-secondary) 100%);
    pointer-events: none;
}

.method-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-top: 20px;
    margin-bottom: 4px;
    padding: 0 24px;
}

.method-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 28px;
    padding: 0 24px;
}

/* --- STOPKA --- */
.footer {
    background-color: var(--bg-primary);
    padding: 40px 0;
    border-top: 1px solid rgba(0,0,0,0.04);
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

.nip {
    margin-top: 4px;
    font-size: 0.8rem;
}

/* --- COOKIE BANNER --- */
.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translate(-50%, 50px);
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 16px 24px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 24px;
    z-index: 9999;
    width: 90%;
    max-width: 700px;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-premium);
}

.cookie-banner.show {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.cookie-banner p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
    flex-grow: 1;
}

.cookie-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
}

.btn-cookie {
    background-color: var(--text-main);
    color: var(--bg-primary);
    border: none;
    padding: 10px 24px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-premium);
    white-space: nowrap;
}

.btn-cookie:hover {
    background-color: var(--accent-blue);
    transform: translateY(-2px);
}

/* --- ANIMACJE SCROLL REVEAL --- */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- STICKY MOBILE CTA --- */
.mobile-sticky-cta {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--accent-blue);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 24px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.3);
    z-index: 999;
    font-size: 0.95rem;
}

/* --- RESPONSyWNOŚĆ --- */
@media (max-width: 900px) {
    .case-card { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.4rem; letter-spacing: -1px; }
    .hero-content p { font-size: 1.1rem; }
    .hero-cta { flex-direction: column; gap: 10px; }
    .btn-primary { width: 100%; text-align: center; }
    .section-header h2, .about-text h2, .contact-container h2 { font-size: 1.9rem; }
    .case-content { padding: 30px 20px; }
    .nav-menu a:not(.btn-nav) { display: none; } 
    .mobile-sticky-cta { display: block; }
    .cookie-banner {
        flex-direction: column;
        bottom: 16px;
        text-align: center;
        gap: 16px;
        padding: 24px;
    }
    .btn-cookie { width: 100%; }
}