/* Global */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    background: #070C1B;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    color: #F4F5F7;
}

/* Layout główny */

.page-shell {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 18px 60px 18px;
}

/* Header */

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 36px;
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 1.3px;
}

.main-nav {
    font-size: 13px;
    opacity: 0.9;
}

.main-nav .nav-link {
    color: #F4F5F7;
    text-decoration: none;
    margin-right: 18px;
}

.main-nav .nav-link:last-child {
    margin-right: 0;
}

/* Hero */

.hero-section {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    align-items: flex-start;
    margin-bottom: 50px;
}

.hero-main {
    flex: 1.4;
    min-width: 260px;
}

.hero-kicker {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.7;
    margin-bottom: 10px;
}

.hero-title {
    font-size: 30px;
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 14px;
}

.hero-lead {
    font-size: 15px;
    line-height: 1.7;
    opacity: 0.9;
    max-width: 520px;
    margin-bottom: 22px;
}

.btn-primary {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 4px;
    border: 1px solid #F4F5F7;
    color: #F4F5F7;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

/* Hero prawa kolumna */

.hero-side {
    flex: 1;
    min-width: 260px;
}

.hero-banner-wrapper {
    border-radius: 12px;
    overflow: hidden;
    background: #050814;
    border: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: 10px;
}

.hero-banner-img {
    width: 100%;
    display: block;
    max-height: 210px;
    object-fit: cover;
    opacity: 0.96;
}

.hero-metrics {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 12px;
    opacity: 0.78;
}

.hero-metric .metric-label {
    font-weight: 600;
}

.hero-metric .metric-desc {
    /* domyślne: normal */
}

/* OFERTA */

.section-oferta {
    margin-bottom: 60px;
    padding-top: 26px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.oferta-intro {
    margin: 22px 0 18px 0;
}

.oferta-tagline {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    opacity: 0.65;
    margin-bottom: 6px;
}

.oferta-heading {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 8px 0;
}

.oferta-lead {
    font-size: 13px;
    line-height: 1.7;
    opacity: 0.9;
    max-width: 720px;
    margin: 0;
}

/* Karty oferty (przeniesione ze <style>) */

#oferta details {
    margin: 0 0 14px 0;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(5, 8, 20, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.75);
    padding: 12px 14px 10px 14px;
}

#oferta details summary {
    list-style: none;
}

#oferta details summary::-webkit-details-marker {
    display: none;
}

#oferta details summary::marker {
    content: "";
}

#oferta details[open] {
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.9);
}

#oferta .ofr-arrow {
    transition: transform 0.16s ease-out, opacity 0.16s ease-out;
}

#oferta details[open] .ofr-arrow {
    transform: rotate(90deg);
    opacity: 1;
}

/* Dodatkowe klasy wewnątrz kart oferty */

.oferta-card {
    /* już ostylowane przez #oferta details, klasa dla czytelności */
}

.oferta-summary {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 14px;
}

.oferta-icon {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    background: #050814;
}

.oferta-summary-text {
    flex: 1;
    min-width: 0;
}

.oferta-summary-kicker {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    opacity: 0.65;
    margin-bottom: 2px;
}

.oferta-summary-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}

.oferta-summary-desc {
    font-size: 13px;
    opacity: 0.9;
    line-height: 1.5;
}

.ofr-arrow {
    margin-left: 8px;
    font-size: 16px;
    opacity: 0.75;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.oferta-body {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 13px;
    line-height: 1.7;
    opacity: 0.9;
}

.oferta-subtitle {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0.7;
    margin-bottom: 6px;
    margin-top: 0;
}

.oferta-list {
    margin: 0 0 8px 0;
    padding-left: 18px;
}

.oferta-paragraph {
    margin: 0 0 4px 0;
}

.oferta-note {
    margin: 0;
    opacity: 0.8;
}

/* CO ROBIMY – linki (przeniesione ze <style>) */

#co-robimy a {
    color: #82A8FF;
    text-decoration: none;
    border-bottom: 1px dotted rgba(130, 168, 255, 0.6);
    padding-bottom: 1px;
    transition: color 0.14s ease-out, border-color 0.14s ease-out, opacity 0.14s ease-out;
    opacity: 0.97;
    font-weight: 500;
}

#co-robimy a:hover {
    color: #C1D4FF;
    border-bottom-color: rgba(193, 212, 255, 0.95);
    opacity: 1;
}

#co-robimy .cr-block {
    margin: 22px 0 10px 0;
    padding-left: 14px;
    border-left: 1px solid rgba(255, 255, 255, 0.12);
}

#co-robimy .cr-block h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 6px 0;
}

#co-robimy .cr-block p {
    font-size: 14px;
    line-height: 1.8;
    margin: 0 0 8px 0;
    opacity: 0.94;
}

#co-robimy .cr-meta {
    font-size: 12px;
    opacity: 0.7;
    margin-top: 2px;
}

/* CO ROBIMY – reszta layoutu */

.section-co-robimy {
    margin-bottom: 64px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.co-wrapper {
    max-width: 780px;
}

.co-intro {
    margin: 24px 0 10px 0;
}

.co-tagline {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.68;
    margin-bottom: 6px;
}

.co-heading {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 10px 0;
}

.co-lead {
    font-size: 14px;
    line-height: 1.9;
    opacity: 0.92;
    margin: 0 0 4px 0;
}

.co-last-block {
    margin-bottom: 6px;
}

/* Kontakt */

.section-kontakt {
    margin-bottom: 40px;
    padding-top: 26px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.kontakt-heading {
    font-size: 20px;
    font-weight: 600;
    margin: 22px 0 12px 0;
}

.kontakt-text {
    font-size: 13px;
    line-height: 1.7;
    max-width: 540px;
    opacity: 0.9;
    margin: 0 0 18px 0;
}

.btn-secondary {
    display: inline-block;
    padding: 9px 22px;
    border-radius: 4px;
    border: 1px solid #F4F5F7;
    color: #F4F5F7;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
}

/* Footer */

.site-footer {
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 11px;
    opacity: 0.58;
    text-align: left;
}

/* Responsywność drobna (opcjonalnie, żeby trzymało się jak było) */

@media (max-width: 640px) {
    .main-nav {
        font-size: 12px;
    }
}