:root {
    --color-text-primary: #111111;
    --color-text: #333333;
    --color-text-light: #4f4f4f;
    --color-primary: #27ae60;
    --color-primary-dark: #229954;
    --color-bg: #ffffff;
    --color-bg-soft: #f5f7f5;
    --color-surface: #ffffff;
    --color-border: rgba(17, 17, 17, 0.08);
    --shadow-soft: 0 10px 40px -20px rgba(20, 40, 20, 0.25);
    --shadow-subtle: 0 1px 1px rgba(16, 24, 40, 0.03),
        0 2px 6px -2px rgba(16, 24, 40, 0.08),
        0 10px 30px -20px rgba(16, 24, 40, 0.15);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --container-max: 1160px;
    --section-padding: clamp(3rem, 6vw, 5rem) clamp(1rem, 5vw, 2.5rem);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    margin: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: "Lato", system-ui, -apple-system, BlinkMacSystemFont,
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.7;
}

h1,
h2,
h3 {
    font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont,
        sans-serif;
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.08;
    letter-spacing: -0.01em;
    margin: 0 0 clamp(0.75rem, 2vw, 1.25rem) 0;
}

h1 {
    font-size: clamp(2rem, 5.5vw, 3.25rem);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

p {
    font-family: "Lato", system-ui, -apple-system, BlinkMacSystemFont,
        sans-serif;
    font-weight: 400;
    line-height: 1.75;
    color: var(--color-text);
    margin: 0 0 clamp(1rem, 2vw, 1.25rem) 0;
}

p:last-child {
    margin-bottom: 0;
}

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

.container {
    width: min(var(--container-max), 100%);
    margin: 0 auto;
    padding: 0 clamp(0.5rem, 2vw, 1rem);
}

section {
    position: relative;
    padding: var(--section-padding);
}

nav {
    background-color: rgba(255, 255, 255, 0.98);
    color: var(--color-text-primary);
    font-family: "Montserrat", sans-serif;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(1rem, 5vw, 2.5rem);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 0 rgba(17, 17, 17, 0.05),
        0 10px 40px -24px rgba(17, 17, 17, 0.35);
    height: 80px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-bottom: 1px solid rgba(17, 17, 17, 0.04);
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.25s ease;
    will-change: transform;
}

.nav-logo:hover {
    transform: scale(1.03);
}

.nav-logo img {
    width: auto;
    height: clamp(48px, 5vw, 60px);
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(0.25rem, 2vw, 0.5rem);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--color-text-primary);
    font-family: "Montserrat", sans-serif;
    font-weight: 600;
    font-size: clamp(0.85rem, 2vw, 0.9rem);
    text-decoration: none;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-sm);
    position: relative;
    transition: color 0.25s ease, background-color 0.25s ease;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0%;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 999px;
    transition: width 0.3s ease, left 0.3s ease;
    opacity: 0.95;
}

.nav-links a:hover::after {
    width: calc(100% - 1.75rem);
    left: 0.875rem;
}

.nav-links a:hover {
    color: var(--color-primary-dark);
    background-color: rgba(39, 174, 96, 0.06);
}

.nav-links a i {
    margin-right: 0.375rem;
    font-size: 0.95em;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.375rem;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2.5px;
    background-color: var(--color-text-primary);
    border-radius: 999px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

.hero {
    display: grid;
    align-items: center;
    gap: clamp(2rem, 5vw, 3.5rem);
    grid-template-columns: repeat(1, 1fr);
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 1) 0%,
        rgba(250, 253, 250, 0.96) 100%
    );
    padding-top: clamp(2.5rem, 6vw, 4rem);
    padding-bottom: clamp(2.5rem, 6vw, 4rem);
    overflow: hidden;
}

@media (min-width: 980px) {
    .hero {
        grid-template-columns: repeat(2, 1fr);
        min-height: clamp(60vh, 80vw, 72vh);
    }
}

.hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(1.25rem, 3vw, 1.75rem);
    text-align: center;
    max-width: min(680px, 90vw);
    margin: 0 auto;
}

@media (min-width: 980px) {
    .hero-inner {
        align-items: center;
        text-align: center;
        margin: 0 auto 0 clamp(0.5rem, 3vw, 1.5rem);
    }
}

.hero-inner p {
    color: var(--color-text-light);
    max-width: min(62ch, 80vw);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: clamp(0.75rem, 2vw, 1rem);
    margin-top: clamp(0.5rem, 2vw, 0.75rem);
}

.hero-img-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: clamp(0.5rem, 2vw, 1rem);
}

.hero-img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--color-border);
    background: radial-gradient(
            circle at 50% 20%,
            rgba(255, 255, 255, 0.08) 0%,
            rgba(17, 17, 17, 0.05) 100%
        ),
        linear-gradient(180deg, #f1f1f1 0%, #e9e9e9 100%);
}

@media (min-width: 980px) {
    .hero-img {
        aspect-ratio: 4 / 5;
        max-height: min(680px, 78vh);
        margin-left: auto;
    }
}

.section-img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--color-border);
    background: radial-gradient(
            circle at 50% 20%,
            rgba(255, 255, 255, 0.08) 0%,
            rgba(17, 17, 17, 0.05) 100%
        ),
        linear-gradient(180deg, #f1f1f1 0%, #e9e9e9 100%);
}

@media (min-width: 980px) {
    .section-img {
        aspect-ratio: 5 / 6;
    }
}

.img-placeholder-info {
    position: absolute;
    inset: auto clamp(0.75rem, 2vw, 1rem) clamp(0.75rem, 2vw, 1rem) auto;
    padding: 0.25rem 0.5rem;
    font-size: clamp(0.7rem, 2vw, 0.75rem);
    line-height: 1;
    letter-spacing: 0.01em;
    color: rgba(17, 17, 17, 0.55);
    background-color: rgba(255, 255, 255, 0.92);
    border-radius: 999px;
    box-shadow: 0 1px 2px rgba(17, 17, 17, 0.08),
        0 8px 30px -18px rgba(17, 17, 17, 0.5);
    border: 1px solid rgba(17, 17, 17, 0.06);
    pointer-events: none;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    user-select: none;
}

.button-kontakt {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 0.625rem 1.375rem;
    text-decoration: none;
    border-radius: 999px;
    border: 1px solid var(--color-primary);
    transition: all 0.25s ease;
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    font-size: clamp(0.95rem, 2vw, 1rem);
    letter-spacing: 0.01em;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset,
        0 1px 1px rgba(16, 24, 40, 0.05),
        0 10px 40px -20px rgba(39, 174, 96, 0.6);
    white-space: nowrap;
}

.button-kontakt i {
    font-size: 0.98em;
}

.button-kontakt:hover {
    background-color: #ffffff;
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.5) inset,
        0 1px 1px rgba(16, 24, 40, 0.05),
        0 12px 40px -20px rgba(39, 174, 96, 0.5);
}

.button-kontakt:active {
    transform: translateY(0);
}

.button-usluga {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid rgba(17, 17, 17, 0.16);
    color: var(--color-text-primary);
    background-color: #ffffff;
    padding: 0.625rem 1.375rem;
    text-decoration: none;
    border-radius: 999px;
    transition: all 0.25s ease;
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    font-size: clamp(0.95rem, 2vw, 1rem);
    letter-spacing: 0.01em;
    box-shadow: 0 1px 1px rgba(16, 24, 40, 0.03),
        0 10px 40px -24px rgba(16, 24, 40, 0.4);
    white-space: nowrap;
}

.button-usluga i {
    font-size: 0.98em;
}

.button-usluga:hover {
    background-color: var(--color-text-primary);
    border-color: var(--color-text-primary);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 1px 1px rgba(16, 24, 40, 0.05),
        0 12px 40px -24px rgba(17, 17, 17, 0.6);
}

.button-usluga:active {
    transform: translateY(0);
}

.zalety {
    background-color: var(--color-bg-soft);
    border-top: 1px solid rgba(17, 17, 17, 0.04);
    border-bottom: 1px solid rgba(17, 17, 17, 0.04);
}

.zalety-grid {
    display: grid;
    align-items: center;
    gap: clamp(2rem, 5vw, 3.5rem);
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 980px) {
    .zalety-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.list {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    font-family: "Lato", sans-serif;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: min(640px, 100%);
    padding: clamp(1.25rem, 3vw, 1.75rem) clamp(1.25rem, 3vw, 1.75rem)
        clamp(1.25rem, 3vw, 1.5rem);
    box-shadow: var(--shadow-subtle);
    margin: 0 auto;
}

@media (min-width: 980px) {
    .list {
        margin: 0;
    }
}

#najwazniejsze-zalety-celulozy ul {
    list-style-type: none;
    padding-left: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: clamp(0.75rem, 2vw, 0.875rem);
}

#najwazniejsze-zalety-celulozy li {
    position: relative;
    padding-left: clamp(1.75rem, 3vw, 2rem);
    line-height: 1.7;
    color: var(--color-text);
}

#najwazniejsze-zalety-celulozy li::before {
    content: "\f00c";
    font-family: "Font Awesome 5 Free", "Font Awesome 6 Free";
    font-weight: 900;
    color: var(--color-primary);
    position: absolute;
    left: 0;
    top: 0.125rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    font-size: 0.95rem;
}

.zalety-img-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.pracujemy {
    background-color: var(--color-bg);
}

.pracujemy-grid {
    display: grid;
    align-items: center;
    gap: clamp(2rem, 5vw, 3.5rem);
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 980px) {
    .pracujemy-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pracujemy-content {
        order: 1;
    }

    .pracujemy-img-wrap {
        order: 2;
    }
}

.pracujemy-content {
    display: flex;
    flex-direction: column;
    gap: clamp(0.75rem, 2vw, 1rem);
    max-width: min(65ch, 100%);
    margin: 0 auto;
    text-align: center;
}

@media (min-width: 980px) {
    .pracujemy-content {
        text-align: left;
        margin: 0 0 0 auto;
        padding-left: clamp(0.5rem, 2vw, 1rem);
    }
}

.pracujemy-content p {
    color: var(--color-text-light);
}

.pracujemy-img-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.usluga {
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 1) 0%,
        rgba(250, 253, 250, 0.98) 100%
    );
    border-top: 1px solid rgba(17, 17, 17, 0.04);
}

.usluga-grid {
    display: grid;
    align-items: center;
    gap: clamp(2rem, 5vw, 3.5rem);
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 980px) {
    .usluga-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.usluga-content {
    display: flex;
    flex-direction: column;
    gap: clamp(0.75rem, 2vw, 1rem);
    max-width: min(65ch, 100%);
    margin: 0 auto;
    text-align: center;
}

@media (min-width: 980px) {
    .usluga-content {
        text-align: left;
        margin: 0;
        padding-right: clamp(0.5rem, 2vw, 1rem);
    }
}

.usluga-content p {
    color: var(--color-text-light);
}

.usluga-img-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 500px;
    width: auto;
}

#kontakt {
    padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1rem, 5vw, 2.5rem);
}

@media (max-width: 980px) {
    nav {
        padding: 0 clamp(1rem, 5vw, 1.25rem);
        flex-wrap: wrap;
        height: auto;
        padding-top: clamp(0.75rem, 2vw, 0.875rem);
        padding-bottom: clamp(0.75rem, 2vw, 0.875rem);
        row-gap: 0.5rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: clamp(0.5rem, 2vw, 0.75rem) 0 clamp(0.25rem, 2vw, 0.5rem);
        gap: clamp(0.25rem, 2vw, 0.375rem);
        animation: slideDown 0.25s ease forwards;
        border-top: 1px solid rgba(17, 17, 17, 0.05);
        margin-top: clamp(0.5rem, 2vw, 0.75rem);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        width: 100%;
        text-align: center;
        padding: 0.75rem 1rem;
        border-radius: var(--radius-sm);
    }

    .nav-links a::after {
        display: none;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .nav-logo,
    .button-kontakt,
    .button-usluga {
        transition: none;
    }

    .button-kontakt:hover,
    .button-usluga:hover {
        transform: none;
    }

    .nav-links {
        animation: none;
    }
}

.kontakt {
    background-color: var(--color-bg-soft);
    border-top: 1px solid rgba(17, 17, 17, 0.04);
}

.kontakt-grid {
    display: grid;
    align-items: start;
    gap: clamp(2rem, 5vw, 3.5rem);
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 980px) {
    .kontakt-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.kontakt-content {
    display: flex;
    flex-direction: column;
    gap: clamp(1rem, 2.5vw, 1.5rem);
    max-width: min(560px, 100%);
    margin: 0 auto;
    text-align: center;
    width: 100%;
}

@media (min-width: 980px) {
    .kontakt-content {
        text-align: left;
        margin: 0;
        padding-right: clamp(0.5rem, 2vw, 1rem);
    }
}

.kontakt-info {
    display: flex;
    flex-direction: column;
    gap: clamp(0.625rem, 2vw, 0.875rem);
}

@media (min-width: 980px) {
    .kontakt-info {
        align-items: flex-start;
    }
}

.kontakt-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: "Lato", sans-serif;
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    color: var(--color-text-light);
}

.kontakt-item span {
    color: #333333;
    text-decoration: none;
}

.kontakt-item a {
    color: #333333;
    text-decoration: none;
}

.kontakt-item i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    flex-shrink: 0;
    color: var(--color-primary);
    font-size: 1rem;
    background-color: rgba(39, 174, 96, 0.08);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(39, 174, 96, 0.12);
}

.kontakt-form {
    display: flex;
    flex-direction: column;
    gap: clamp(0.625rem, 2vw, 0.875rem);
    margin-top: clamp(0.25rem, 1vw, 0.5rem);
}

.form-group {
    width: 100%;
}

.kontakt-form input,
.kontakt-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: "Lato", sans-serif;
    font-size: clamp(0.9rem, 2vw, 1rem);
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid rgba(17, 17, 17, 0.12);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    resize: vertical;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.03);
}

.kontakt-form input::placeholder,
.kontakt-form textarea::placeholder {
    color: rgba(17, 17, 17, 0.35);
}

.kontakt-form input:focus,
.kontakt-form textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1),
        0 1px 2px rgba(16, 24, 40, 0.03);
}

.kontakt-form .button-kontakt {
    align-self: center;
    cursor: pointer;
    border: none;
    padding: 0.75rem 2rem;
}

@media (min-width: 980px) {
    .kontakt-form .button-kontakt {
        align-self: flex-start;
    }
}

.kontakt-img-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.green-footer {
  background-color: #1e7e34;
  color: #ffffff;
  padding: 20px;
  text-align: center;
  font-family: sans-serif;
}

.green-footer a {
  color: #ffffff;
  text-transform: uppercase;
  font-weight: bold;
  text-decoration: none;
}

.green-footer a:hover {
  text-decoration: underline;
  color: #d4edda;
}

.cennik {
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 1) 0%,
        rgba(250, 253, 250, 0.98) 100%
    );
    border-top: 1px solid rgba(17, 17, 17, 0.04);
}

.cennik-grid {
    display: grid;
    align-items: center;
    gap: clamp(2rem, 5vw, 3.5rem);
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 980px) {
    .cennik-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.cennik-content {
    display: flex;
    flex-direction: column;
    gap: clamp(0.75rem, 2vw, 1rem);
    max-width: min(65ch, 100%);
    margin: 0 auto;
    text-align: center;
}

@media (min-width: 980px) {
    .cennki-content {
        text-align: left;
        margin: 0;
        padding-right: clamp(0.5rem, 2vw, 1rem);
    }
}

.cennik-content p {
    color: var(--color-text-light);
}

.cennik-img-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 500px;
    width: auto;
}

.div-cennik {
    width: 100%;
    max-width: 420px;
    margin: clamp(1rem, 3vw, 1.5rem) auto 0;
    padding: clamp(0.5rem, 2vw, 0.75rem);

    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-subtle);

    font-family: "Lato", sans-serif;
}

.div-cennik ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.div-cennik li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;

    padding: 0.9rem 1rem;
    color: var(--color-text);
    font-size: clamp(1rem, 2vw, 1.1rem);
    line-height: 1.4;

    border-radius: var(--radius-sm);
    transition: background-color 0.25s ease,
        color 0.25s ease,
        transform 0.25s ease;
}

.div-cennik li + li {
    border-top: 1px solid rgba(17, 17, 17, 0.08);
}

.div-cennik li span {
    font-weight: 700;
    color: var(--color-text-primary);
}

.div-cennik li strong {
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    color: var(--color-primary-dark);
    white-space: nowrap;
}

.div-cennik li:hover {
    background-color: rgba(39, 174, 96, 0.07);
    color: var(--color-primary-dark);
    transform: translateX(3px);
}

@media (max-width: 480px) {
    .div-cennik {
        max-width: 100%;
    }

    .div-cennik li {
        padding: 0.8rem 0.75rem;
    }
}