/* =========================================================================
   Collabsy - arkusz stylow strony publicznej
   Bez krokow budowania: czysty CSS, gotowy do wgrania na hosting wspoldzielony.
   ========================================================================= */

:root {
    /* Kolory marki */
    --bg:            #0b0b10;
    --bg-elevated:   #14141c;
    --bg-card:       #191922;
    --border:        #262633;
    --text:          #f4f4f7;
    --text-muted:    #a3a3b2;
    --accent:        #ff6b4a;
    --accent-soft:   #ffb347;
    --accent-ink:    #1a0d08;
    --success-bg:    #10291b;
    --success-text:  #7ee2a8;
    --error-bg:      #2b1216;
    --error-text:    #ff9d9d;
    --info-bg:       #11202e;
    --info-text:     #8ecbff;

    /* Typografia */
    --font-sans: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
    --font-display: "Poppins", var(--font-sans);
    --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.9rem);
    --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.09rem);
    --step-1:  clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
    --step-2:  clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
    --step-3:  clamp(1.9rem, 1.5rem + 2vw, 3rem);
    --step-4:  clamp(2.3rem, 1.6rem + 3.4vw, 4.2rem);

    /* Rytm i ksztalty */
    --space:    1rem;
    --radius:   14px;
    --radius-l: 22px;
    --shadow:   0 18px 40px rgba(0, 0, 0, 0.45);
    --maxw:     1140px;
}

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

/* Atrybut hidden musi wygrywac z wlasnym display komponentow (np. .btn). */
[hidden] {
    display: none !important;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: var(--step-0);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    /* Zabezpieczenie przed poziomym scrollem; clip zamiast hidden,
       bo hidden tworzy scroll container i psuje position: sticky naglowka. */
    overflow-x: clip;
}

/* Sticky naglowek nie moze zaslaniac tresci po skoku do kotwicy. */
[id] {
    scroll-margin-top: 5.5rem;
}

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

a {
    color: var(--accent-soft);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

h1, h2, h3 {
    font-family: var(--font-display);
    line-height: 1.15;
    /* Poppins jest geometryczny - lekko ujemny tracking wyglada naturalnie. */
    letter-spacing: -0.02em;
    margin: 0 0 0.5em;
    font-weight: 700;
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); }

p { margin: 0 0 1em; }

:focus-visible {
    outline: 3px solid var(--accent-soft);
    outline-offset: 3px;
    border-radius: 4px;
}

.container {
    width: min(100% - 2.5rem, var(--maxw));
    margin-inline: auto;
}

.container-narrow {
    width: min(100% - 2.5rem, 720px);
    margin-inline: auto;
}

.section {
    padding: clamp(3.5rem, 8vw, 7rem) 0;
}

.section-head {
    max-width: 62ch;
    margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.eyebrow {
    display: inline-block;
    font-size: var(--step--1);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--accent-soft);
    margin-bottom: 0.9rem;
    font-weight: 600;
}

.lead {
    font-size: var(--step-1);
    color: var(--text-muted);
    line-height: 1.55;
}

.hint {
    font-size: var(--step--1);
    color: var(--text-muted);
    font-weight: 400;
}

/* --- Naglowek ---------------------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem clamp(1.25rem, 4vw, 2.5rem);
    background: rgba(11, 11, 16, 0.82);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.logo {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    text-decoration: none;
}

.logo::after {
    content: ".";
    color: var(--accent);
}

.site-header nav {
    display: flex;
    align-items: center;
    /* Bez JS na waskich ekranach grupa linkow schodzi do drugiego rzedu. */
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: clamp(0.75rem, 2vw, 1.75rem);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(0.75rem, 2vw, 1.75rem);
}

.site-header nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--step--1);
    font-weight: 500;
}

.site-header nav a:hover {
    color: var(--text);
}

.site-header nav a.btn {
    color: var(--accent-ink);
}

/* Hamburger - widoczny tylko z JS na waskich ekranach (progressive enhancement). */
.nav-toggle {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: transparent;
    cursor: pointer;
}

.nav-toggle-bar {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: var(--text);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 820px) {
    .site-header {
        padding: 0.75rem 1rem;
    }

    .js-enabled .nav-toggle {
        display: inline-flex;
    }

    /* Panel rozwijany pod naglowkiem; .site-header (sticky) jest kontekstem
       pozycjonowania, wiec top: 100% laduje tuz pod paskiem. */
    .js-enabled .site-header .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.25rem 1rem 0.75rem;
        /* Pelne krycie - polprzezroczyste tlo przepuszczalo tekst hero pod panelem */
        background: var(--bg-elevated);
        box-shadow: 0 18px 30px rgba(0, 0, 0, 0.5);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow);
        opacity: 0;
        transform: translateY(-6px);
        visibility: hidden;
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    }

    .js-enabled .site-header .nav-links.is-open {
        opacity: 1;
        transform: none;
        visibility: visible;
    }

    .js-enabled .site-header .nav-links a {
        padding: 0.85rem 0.25rem;
        font-size: var(--step-0);
        border-bottom: 1px solid var(--border);
    }

    .js-enabled .site-header .nav-links a:last-child {
        border-bottom: 0;
    }
}

/* --- Przyciski --------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.6rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font: inherit;
    font-weight: 650;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(120deg, var(--accent), var(--accent-soft));
    color: var(--accent-ink);
    box-shadow: 0 10px 28px rgba(255, 107, 74, 0.28);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}

.btn-secondary:hover {
    border-color: var(--text-muted);
}

.btn-large {
    padding: 1.05rem 2.2rem;
    font-size: 1.05rem;
    width: 100%;
}

@media (min-width: 480px) {
    .btn-large {
        width: auto;
    }
}

/* --- Sekcja otwierajaca ------------------------------------------------ */

.hero {
    position: relative;
    padding: clamp(3.5rem, 9vw, 7.5rem) 0 clamp(3rem, 7vw, 6rem);
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: -35% 45% 30% -20%;
    background: radial-gradient(circle, rgba(255, 107, 74, 0.22), transparent 62%);
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 15% -25% -45% 55%;
    background: radial-gradient(circle, rgba(255, 179, 71, 0.16), transparent 62%);
    pointer-events: none;
}

.hero > .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    max-width: 16ch;
}

.hero h1 .accent {
    background: linear-gradient(120deg, var(--accent), var(--accent-soft));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero .lead {
    max-width: 52ch;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 2rem;
}

.hero-note {
    margin-top: 1.5rem;
    font-size: var(--step--1);
    color: var(--text-muted);
}

/* --- Pasek zaufania ---------------------------------------------------- */

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    overflow: hidden;
}

.stat {
    background: var(--bg-elevated);
    padding: 1.75rem 1.5rem;
    text-align: center;
}

.stat-value {
    display: block;
    font-size: var(--step-2);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--accent-soft);
}

.stat-label {
    font-size: var(--step--1);
    color: var(--text-muted);
}

/* --- Karty uslug ------------------------------------------------------- */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: 1.25rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    padding: 1.75rem;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
    border-color: rgba(255, 107, 74, 0.45);
    transform: translateY(-4px);
}

.service-card h3 {
    margin-bottom: 0.4rem;
}

.service-card p {
    color: var(--text-muted);
    margin: 0;
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    margin-bottom: 1.1rem;
    border-radius: 13px;
    background: rgba(255, 107, 74, 0.13);
    color: var(--accent-soft);
    font-size: 1.4rem;
}

/* --- Kierunki podrozy -------------------------------------------------- */

.destinations {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: 1rem;
}

.destination {
    position: relative;
    min-height: 260px;
    border-radius: var(--radius-l);
    border: 1px solid var(--border);
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    padding: 1.4rem;
    background-size: cover;
    background-position: center;
    isolation: isolate;
}

.destination::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, rgba(11, 11, 16, 0.12), rgba(11, 11, 16, 0.85));
}

.destination-name {
    font-weight: 700;
    font-size: var(--step-1);
}

.destination-note {
    display: block;
    font-size: var(--step--1);
    color: var(--text-muted);
}

/* --- Kroki wspolpracy -------------------------------------------------- */

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr));
    gap: 1.5rem;
    counter-reset: step;
}

.step {
    position: relative;
    padding-top: 3.25rem;
}

.step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    top: 0;
    left: 0;
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: linear-gradient(120deg, var(--accent), var(--accent-soft));
    color: var(--accent-ink);
    font-weight: 800;
}

.step h3 {
    margin-bottom: 0.3rem;
}

.step p {
    color: var(--text-muted);
    margin: 0;
}

/* --- Kryteria ---------------------------------------------------------- */

.criteria {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
}

.criteria-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.criteria-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 0.85rem;
    color: var(--text-muted);
}

.criteria-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
}

.criteria-list.is-negative li::before {
    background: var(--border);
}

/* --- Opinie ------------------------------------------------------------ */

.testimonial {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    padding: 1.75rem;
}

.testimonial blockquote {
    margin: 0 0 1.2rem;
    font-size: var(--step-1);
    line-height: 1.5;
}

.testimonial figcaption {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-size: var(--step--1);
    color: var(--text-muted);
}

.avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(120deg, var(--accent), var(--accent-soft));
    display: grid;
    place-items: center;
    color: var(--accent-ink);
    font-weight: 800;
    flex-shrink: 0;
}

/* --- Pytania i odpowiedzi ---------------------------------------------- */

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-item summary {
    cursor: pointer;
    padding: 1.15rem 2.5rem 1.15rem 0;
    font-weight: 650;
    font-size: var(--step-0);
    list-style: none;
    position: relative;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 0.25rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--accent-soft);
    line-height: 1;
}

.faq-item[open] summary::after {
    content: "\2013";
}

.faq-item p {
    color: var(--text-muted);
    padding-right: 2.5rem;
}

/* --- Formularz --------------------------------------------------------- */

.section-form {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.application-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    padding: clamp(1.5rem, 4vw, 2.5rem);
    box-shadow: var(--shadow);
}

.application-form fieldset {
    border: 0;
    padding: 0;
    margin: 0 0 2rem;
}

.application-form legend {
    font-size: var(--step-1);
    font-weight: 700;
    padding: 0;
    margin-bottom: 1rem;
}

.application-form label {
    display: block;
    margin: 1.1rem 0 0.4rem;
    font-weight: 600;
    font-size: var(--step--1);
}

.application-form input[type="text"],
.application-form input[type="email"],
.application-form input[type="tel"],
.application-form input[type="password"],
.application-form select,
.application-form textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.application-form input:focus,
.application-form select:focus,
.application-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.18);
}

.application-form textarea {
    resize: vertical;
    min-height: 120px;
}

.application-form input[aria-invalid="true"],
.application-form select[aria-invalid="true"] {
    border-color: var(--error-text);
}

.input-prefixed {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    overflow: hidden;
}

.input-prefixed:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.18);
}

.input-prefixed .prefix {
    display: grid;
    place-items: center;
    padding-inline: 0.9rem;
    color: var(--text-muted);
    border-right: 1px solid var(--border);
}

.input-prefixed input {
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    margin: 1.1rem 0 0;
    font-weight: 400;
    font-size: var(--step--1);
    color: var(--text-muted);
    cursor: pointer;
}

.checkbox input {
    margin-top: 0.28em;
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    flex-shrink: 0;
}

.field-error {
    display: block;
    margin-top: 0.35rem;
    font-size: var(--step--1);
    color: var(--error-text);
}

/* Kroki formularza sterowane skryptem - bez skryptu widoczne sa wszystkie */
.form-steps-nav {
    display: none;
}

.js-enabled .form-steps-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.js-enabled .form-step[hidden] {
    display: none;
}

.step-dot {
    flex: 1;
    height: 4px;
    border-radius: 999px;
    background: var(--border);
}

.step-dot.is-done,
.step-dot.is-current {
    background: linear-gradient(90deg, var(--accent), var(--accent-soft));
}

.form-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

/* --- Komunikaty -------------------------------------------------------- */

.alert {
    padding: 0.95rem 1.15rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: var(--step--1);
}

.alert ul {
    margin: 0.5rem 0 0;
    padding-left: 1.2rem;
}

.alert-error {
    background: var(--error-bg);
    color: var(--error-text);
}

.alert-success {
    background: var(--success-bg);
    color: var(--success-text);
}

.alert-info {
    background: var(--info-bg);
    color: var(--info-text);
}

/* --- Wezwanie koncowe i stopka ----------------------------------------- */

.cta-band {
    text-align: center;
    background: linear-gradient(120deg, rgba(255, 107, 74, 0.14), rgba(255, 179, 71, 0.1));
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    padding: clamp(2rem, 5vw, 3.5rem);
}

.cta-band h2 {
    max-width: 20ch;
    margin-inline: auto;
}

.cta-band .lead {
    max-width: 48ch;
    margin-inline: auto;
}

.site-footer {
    border-top: 1px solid var(--border);
    padding: 2.5rem clamp(1.25rem, 4vw, 2.5rem);
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: var(--step--1);
}

.site-footer nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.site-footer a {
    color: var(--text-muted);
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--text);
    text-decoration: underline;
}

/* --- Tresci tekstowe podstron ------------------------------------------ */

.prose h2 {
    font-size: var(--step-1);
    margin-top: 2.5rem;
}

.prose ul {
    color: var(--text-muted);
    padding-left: 1.3rem;
}

.prose li {
    margin-bottom: 0.5rem;
}

/* --- Dostepnosc -------------------------------------------------------- */

.skip-link {
    position: absolute;
    left: -9999px;
}

.skip-link:focus {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 100;
    padding: 0.75rem 1.25rem;
    background: var(--accent);
    color: var(--accent-ink);
    border-radius: var(--radius);
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}