/* =========================================================
   Green Effect — landing page
   Paleta inspirowana oliwkową zielenią logo + ciepłe, naturalne tony
   ========================================================= */

:root {
    /* Zieleń marki */
    --green-900: #2c3a16;
    --green-800: #3a4d1c;
    --green-700: #4d6324;   /* kolor logo */
    --green-600: #5e7831;
    --green-400: #94ad63;
    --green-200: #cddcb0;
    --green-50:  #eef3e3;

    /* Ciepłe, naturalne tła */
    --cream:     #faf7f0;
    --sand:      #f2ead9;
    --sand-deep: #e9dcc4;
    --clay:      #c08457;   /* ciepły akcent ziemi */
    --clay-soft: #d8a87f;

    /* Tekst */
    --ink:       #2f3320;
    --muted:     #6d705c;

    --white:     #ffffff;

    --radius:    18px;
    --radius-sm: 12px;
    --shadow:    0 18px 40px -24px rgba(44, 58, 22, .35);
    --shadow-sm: 0 8px 20px -14px rgba(44, 58, 22, .4);

    --maxw: 1140px;
    --ease: cubic-bezier(.22, .61, .36, 1);

    --font-head: 'Jost', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--cream);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3 {
    font-family: var(--font-head);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: .2px;
    margin: 0;
    color: var(--green-900);
}

.container {
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: 24px;
}

.icon { flex: none; }

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--green-700);
    color: #fff;
    padding: 10px 16px;
    border-radius: 0 0 8px 0;
    z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-head);
    font-weight: 500;
    font-size: 1rem;
    padding: 14px 26px;
    border-radius: 999px;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease), color .25s var(--ease);
    white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn .icon { transition: transform .25s var(--ease); }
.btn:hover .icon { transform: translateX(4px); }

.btn--primary {
    background: var(--green-700);
    color: #fff;
    box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--green-800); }

.btn--ghost {
    background: transparent;
    color: var(--green-800);
    border-color: var(--green-200);
}
.btn--ghost:hover { background: var(--green-50); border-color: var(--green-400); }

.btn--block { width: 100%; justify-content: center; }

/* ---------- Eyebrow ---------- */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-head);
    font-size: .82rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--green-700);
    background: var(--green-50);
    padding: 7px 16px;
    border-radius: 999px;
    margin-bottom: 18px;
}
.eyebrow .icon { color: var(--green-600); }
.eyebrow--light { background: rgba(255, 255, 255, .15); color: #fff; }
.eyebrow--light .icon { color: var(--green-200); }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 247, 240, .82);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: box-shadow .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.is-stuck {
    box-shadow: 0 10px 30px -22px rgba(44, 58, 22, .5);
    border-color: var(--sand-deep);
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-block: 14px;
}
.brand__logo { height: 52px; width: auto; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav__list {
    display: flex;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav__link {
    font-family: var(--font-head);
    font-weight: 400;
    color: var(--ink);
    position: relative;
    padding: 4px 0;
    transition: color .2s var(--ease);
}
.nav__link::after {
    content: "";
    position: absolute;
    left: 0; bottom: -2px;
    width: 0; height: 2px;
    background: var(--green-600);
    transition: width .25s var(--ease);
}
.nav__link:hover { color: var(--green-700); }
.nav__link:hover::after { width: 100%; }

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 44px; height: 44px;
    align-items: center;
    justify-content: center;
    background: var(--green-50);
    border: none;
    border-radius: 12px;
    cursor: pointer;
}
.nav__toggle span {
    width: 22px; height: 2px;
    background: var(--green-800);
    border-radius: 2px;
    transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding-block: clamp(56px, 9vw, 120px);
    background:
        radial-gradient(120% 90% at 85% -10%, var(--sand) 0%, transparent 55%),
        linear-gradient(180deg, var(--cream) 0%, #fbf9f3 100%);
    overflow: hidden;
}
.hero__glow {
    position: absolute;
    inset: auto -10% -40% auto;
    width: 540px; height: 540px;
    background: radial-gradient(circle, rgba(148, 173, 99, .35), transparent 70%);
    filter: blur(20px);
    z-index: 0;
}
.hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 48px;
    align-items: center;
}
.hero__title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    margin-bottom: 22px;
}
.hero__lead {
    font-size: 1.12rem;
    color: var(--muted);
    max-width: 36ch;
    margin: 0 0 30px;
}
.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 44px;
}
.hero__stats {
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: 26px 34px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong {
    font-family: var(--font-head);
    font-size: 1.9rem;
    color: var(--green-700);
    font-weight: 600;
}
.hero__stats span { font-size: .9rem; color: var(--muted); }

.hero__visual { display: flex; justify-content: center; }
.leaf-card {
    position: relative;
    background: var(--white);
    border: 1px solid var(--sand-deep);
    border-radius: 28px;
    padding: 54px 40px;
    box-shadow: var(--shadow);
    display: grid;
    place-items: center;
    isolation: isolate;
}
.leaf-card img { position: relative; z-index: 2; }
.leaf-card__rings {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    z-index: 1;
}
.leaf-card__rings span {
    position: absolute;
    border: 1.5px solid var(--green-200);
    border-radius: 50%;
    opacity: .7;
    animation: pulse 5s var(--ease) infinite;
}
.leaf-card__rings span:nth-child(1) { width: 170px; height: 170px; }
.leaf-card__rings span:nth-child(2) { width: 250px; height: 250px; animation-delay: .8s; }
.leaf-card__rings span:nth-child(3) { width: 330px; height: 330px; animation-delay: 1.6s; }
@keyframes pulse {
    0%   { transform: scale(.85); opacity: .55; }
    50%  { opacity: .18; }
    100% { transform: scale(1.15); opacity: 0; }
}

/* ---------- Sections ---------- */
.section { padding-block: clamp(56px, 8vw, 100px); }
.section--soft { background: var(--sand); }
.section__head { max-width: 700px; margin-bottom: 52px; }
.section__title { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 16px; }
.section__intro { font-size: 1.08rem; color: var(--muted); margin: 0; }

/* ---------- Features ---------- */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature {
    background: var(--white);
    border: 1px solid var(--sand-deep);
    border-radius: var(--radius);
    padding: 34px 30px;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.feature__icon {
    display: inline-grid;
    place-items: center;
    width: 60px; height: 60px;
    border-radius: 16px;
    background: var(--green-50);
    color: var(--green-700);
    margin-bottom: 20px;
}
.feature__title { font-size: 1.25rem; margin-bottom: 10px; }
.feature__text { color: var(--muted); margin: 0; }

/* ---------- Service cards ---------- */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.card {
    background: var(--white);
    border: 1px solid var(--sand-deep);
    border-radius: var(--radius);
    padding: 30px 28px;
    position: relative;
    overflow: hidden;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card::before {
    content: "";
    position: absolute;
    left: 0; top: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--green-600), var(--green-400));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--green-200); }
.card:hover::before { transform: scaleX(1); }
.card__icon {
    display: inline-grid;
    place-items: center;
    width: 54px; height: 54px;
    border-radius: 14px;
    background: var(--green-50);
    color: var(--green-700);
    margin-bottom: 18px;
}
.card__title { font-size: 1.2rem; margin-bottom: 10px; }
.card__text { color: var(--muted); margin: 0 0 18px; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.tag {
    font-size: .78rem;
    font-weight: 500;
    color: var(--green-800);
    background: var(--green-50);
    border: 1px solid var(--green-200);
    padding: 4px 12px;
    border-radius: 999px;
}

/* ---------- Steps ---------- */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    counter-reset: step;
}
.step {
    position: relative;
    padding: 30px 26px;
    border-radius: var(--radius);
    background: var(--white);
    border: 1px solid var(--sand-deep);
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.step__num {
    font-family: var(--font-head);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--clay);
    display: block;
    margin-bottom: 12px;
}
.step__title { font-size: 1.15rem; margin-bottom: 8px; }
.step__text { color: var(--muted); margin: 0; font-size: .96rem; }

/* ---------- CTA / Kontakt ---------- */
.section--cta {
    background:
        radial-gradient(120% 120% at 10% 0%, var(--green-700) 0%, var(--green-900) 70%);
    color: #fff;
}
.section--cta .section__title { color: #fff; }
.section--cta .section__intro { color: rgba(255, 255, 255, .82); }

.cta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 52px;
    align-items: start;
}
.cta__contact {
    list-style: none;
    margin: 30px 0 0;
    padding: 0;
    display: grid;
    gap: 14px;
}
.cta__contact li { display: flex; align-items: center; gap: 12px; color: rgba(255, 255, 255, .92); }
.cta__contact .icon { color: var(--green-200); }
.cta__contact a:hover { color: var(--green-200); }

/* ---------- Form ---------- */
.form {
    background: var(--white);
    color: var(--ink);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: block; margin-bottom: 16px; }
.field span {
    display: block;
    font-size: .88rem;
    font-weight: 500;
    margin-bottom: 7px;
    color: var(--green-800);
}
.field input,
.field textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 13px 15px;
    border: 1.5px solid var(--sand-deep);
    border-radius: var(--radius-sm);
    background: var(--cream);
    color: var(--ink);
    transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    resize: vertical;
}
.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--green-400);
    background: #fff;
    box-shadow: 0 0 0 4px var(--green-50);
}
.field .is-invalid { border-color: var(--clay); background: #fdf3ec; }

.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__note { font-size: .8rem; color: var(--muted); margin: 14px 0 0; }
.form__alert {
    padding: 13px 16px;
    border-radius: var(--radius-sm);
    margin: 0 0 18px;
    font-size: .95rem;
    font-weight: 500;
}
.form__alert--ok  { background: var(--green-50); color: var(--green-800); border: 1px solid var(--green-200); }
.form__alert--err { background: #fdf3ec; color: #9a5a31; border: 1px solid var(--clay-soft); }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--green-900);
    color: rgba(255, 255, 255, .8);
    padding-top: 56px;
}
.site-footer__inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}
.site-footer .brand__logo {
    height: 56px;
    background: #fff;
    padding: 10px 14px;
    border-radius: 12px;
    margin-bottom: 18px;
}
.site-footer__tagline { max-width: 42ch; margin: 0; }
.site-footer__contact { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; align-content: start; }
.site-footer__contact li { display: flex; align-items: center; gap: 12px; }
.site-footer__contact .icon { color: var(--green-400); }
.site-footer__contact a:hover { color: var(--green-200); }
.site-footer__bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding-block: 22px;
    border-top: 1px solid rgba(255, 255, 255, .12);
    font-size: .85rem;
    color: rgba(255, 255, 255, .6);
}
.site-footer__bottom p { margin: 0; }

/* ---------- Reveal animation (tylko gdy JS aktywny) ---------- */
.reveal-ready [data-reveal] {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal-ready [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .hero__inner { grid-template-columns: 1fr; }
    .hero__visual { order: -1; }
    .leaf-card { padding: 40px 30px; }
    .features, .cards { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .cta { grid-template-columns: 1fr; gap: 36px; }
    .site-footer__inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .nav__cta { display: none; }
    .nav__toggle { display: flex; }
    .nav__list {
        position: fixed;
        inset: 72px 16px auto 16px;
        flex-direction: column;
        gap: 6px;
        background: #fff;
        border: 1px solid var(--sand-deep);
        border-radius: var(--radius);
        padding: 14px;
        box-shadow: var(--shadow);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: opacity .25s var(--ease), transform .25s var(--ease);
    }
    .nav__list.is-open { opacity: 1; transform: none; pointer-events: auto; }
    .nav__link { padding: 10px 8px; display: block; }
    .nav__link::after { display: none; }

    .hero__stats { grid-template-columns: repeat(2, 1fr); }
    .features, .cards, .steps { grid-template-columns: 1fr; }
    .form { padding: 24px; }
    .form__row { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; scroll-behavior: auto; }
    [data-reveal] { opacity: 1; transform: none; transition: none; }
}