/* ================================
   RESET & BASE
================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #111214;
  --bg-alt:      #17191c;
  --bg-card:     #1d1f23;
  --bg-card-h:   #22252a;
  --border:      rgba(255,255,255,.07);
  --border-h:    rgba(255,255,255,.13);

  /* pastelowe akcenty */
  --accent:      #a8c4bc;   /* pastelowa szałwia */
  --accent-2:    #c9b8a8;   /* pastelowy piasek */
  --accent-3:    #b5bece;   /* pastelowy błękit */

  --text:        #e8e8ea;
  --text-muted:  #888a93;
  --text-faint:  #55575e;

  --radius:      12px;
  --radius-lg:   20px;
  --transition:  .3s cubic-bezier(.4,0,.2,1);

  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

em { font-style: normal; color: var(--accent); }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ================================
   NAV
================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 24px;
  background: transparent;
  transition: background var(--transition), border-color var(--transition);
}

.nav.scrolled {
  background: rgba(17,18,20,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: 1160px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .01em;
}

.nav__icon { font-size: 1.3rem; }

.nav__links {
  display: flex;
  gap: 32px;
}

.nav__links a {
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

.nav__links a:hover { color: var(--text); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ================================
   HERO
================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 24px 80px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%, rgba(168,196,188,.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 80% 70%, rgba(181,190,206,.04) 0%, transparent 60%);
  pointer-events: none;
}

/* delikatna siatka w tle */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 0%, transparent 100%);
}

.hero__content {
  position: relative;
  max-width: 680px;
}

.hero__eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  padding: 6px 16px;
  border: 1px solid rgba(168,196,188,.2);
  border-radius: 100px;
}

.hero__title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -.02em;
  margin-bottom: 20px;
  color: var(--text);
}

.hero__sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__scroll span {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--text-faint));
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  60%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ================================
   BUTTONS
================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #0e1211;
}

.btn--primary:hover {
  background: #bdd4cc;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-h);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn--full { width: 100%; }

/* ================================
   SECTIONS
================================ */
.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--bg-alt);
}

.section__header {
  text-align: center;
  margin-bottom: 56px;
}

.section__label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section__desc {
  font-size: .95rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ================================
   SERVICES
================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 28px 30px;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.service-card:hover {
  border-color: var(--border-h);
  background: var(--bg-card-h);
  transform: translateY(-3px);
}

.service-card__icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  display: block;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

.service-card p {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ================================
   GALLERY
================================ */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 14px;
}

.gallery__item { border-radius: var(--radius); overflow: hidden; }
.gallery__item--tall { grid-row: span 2; }
.gallery__item--wide { grid-column: span 2; }

/* gdy wstawisz <img>, zastąp placeholder */
.gallery__placeholder {
  width: 100%;
  height: 100%;
  background: var(--bg-card);
  border: 1px dashed var(--border-h);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  padding: 16px;
  transition: background var(--transition), border-color var(--transition);
  cursor: default;
}

.gallery__item:hover .gallery__placeholder {
  background: var(--bg-card-h);
  border-color: rgba(168,196,188,.25);
}

/* rzeczywiste zdjęcia */
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}

.gallery__item:hover img { transform: scale(1.04); }

.gallery__no {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-faint);
  line-height: 1;
}

.gallery__placeholder p {
  font-size: .8rem;
  color: var(--text-muted);
}

.gallery__placeholder small {
  font-size: .72rem;
  color: var(--text-faint);
}

.gallery__note {
  text-align: center;
  font-size: .78rem;
  color: var(--text-faint);
  margin-top: 20px;
}

/* ================================
   STEPS
================================ */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

/* pionowa linia */
.steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.step {
  display: flex;
  gap: 28px;
  padding: 32px 0;
  position: relative;
}

.step + .step { border-top: 1px solid var(--border); }

.step__num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-h);
  font-size: .82rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .04em;
  position: relative;
  z-index: 1;
}

.step__body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  padding-top: 14px;
}

.step__body p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ================================
   PERKS
================================ */
.perks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.perk {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 20px 28px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.perk:hover {
  border-color: var(--border-h);
  transform: translateY(-2px);
}

.perk__num {
  display: block;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -.02em;
  margin-bottom: 8px;
}

.perk p {
  font-size: .82rem;
  color: var(--text-muted);
  font-weight: 500;
}

.about__text {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  font-size: .95rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.about__text strong { color: var(--text); font-weight: 600; }

/* ================================
   CONTACT
================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  align-items: start;
}

.contact__cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

a.contact-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-h);
  transform: translateX(4px);
}

.contact-card__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-card__label {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 4px;
}

.contact-card__value {
  font-size: .97rem;
  font-weight: 600;
  color: var(--text);
}

.contact-card__note {
  font-size: .78rem;
  color: var(--text-muted);
  margin-top: 3px;
}

/* FORM */
.contact__form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form__row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__row label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .04em;
}

.form__row input,
.form__row textarea {
  background: var(--bg);
  border: 1px solid var(--border-h);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-size: .9rem;
  font-family: var(--font);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}

.form__row input::placeholder,
.form__row textarea::placeholder { color: var(--text-faint); }

.form__row input:focus,
.form__row textarea:focus {
  border-color: var(--accent);
}

.form__note {
  font-size: .72rem;
  color: var(--text-faint);
  text-align: center;
  line-height: 1.5;
}

/* ================================
   FOOTER
================================ */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .95rem;
  margin-bottom: 4px;
}

.footer__copy {
  font-size: .78rem;
  color: var(--text-faint);
}

/* ================================
   ANIMATIONS – data-aos
================================ */
[data-aos] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .55s cubic-bezier(.4,0,.2,1), transform .55s cubic-bezier(.4,0,.2,1);
}

[data-aos].aos-visible {
  opacity: 1;
  transform: translateY(0);
}

/* staggering dla siatek */
.services__grid .service-card:nth-child(2) { transition-delay: .07s; }
.services__grid .service-card:nth-child(3) { transition-delay: .14s; }
.services__grid .service-card:nth-child(4) { transition-delay: .21s; }
.services__grid .service-card:nth-child(5) { transition-delay: .28s; }
.services__grid .service-card:nth-child(6) { transition-delay: .35s; }

.perks .perk:nth-child(2) { transition-delay: .08s; }
.perks .perk:nth-child(3) { transition-delay: .16s; }
.perks .perk:nth-child(4) { transition-delay: .24s; }

/* ================================
   MOBILE NAV
================================ */
@media (max-width: 768px) {
  .nav__burger { display: flex; }

  .nav__links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: rgba(17,18,20,.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 16px 0 20px;
    transform: translateY(-110%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    pointer-events: none;
  }

  .nav__links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__links a {
    width: 100%;
    text-align: center;
    padding: 14px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav__links a:last-child { border-bottom: none; }
}

/* ================================
   RESPONSIVE
================================ */
@media (max-width: 900px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 200px;
  }

  .gallery__item--wide { grid-column: span 2; }

  .perks {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }

  .hero__title { font-size: 2.2rem; }

  .gallery {
    grid-template-columns: 1fr;
    grid-auto-rows: 240px;
  }

  .gallery__item--tall,
  .gallery__item--wide {
    grid-column: span 1;
    grid-row: span 1;
  }

  .steps::before { display: none; }

  .services__grid { grid-template-columns: 1fr; }

  .perks { grid-template-columns: repeat(2, 1fr); }

  .contact__form { padding: 20px; }
}