/* AUTO-MAX Serwis Klimatyzacji — statyczna strona */
:root {
  --bg: #0b0d12;
  --bg-section: #121722;
  --text: #f3f6fb;
  --text-muted: #b8c4d8;
  --text-nav: #d4deea;
  --footer-muted: #aab7cc;
  --accent-blue: #0d6efd;
  --accent-blue-hover: #0b5ed7;
  --accent-red: #dc3545;
  --accent-red-hover: #b02a37;
  --border: #283243;
  --hero-gradient-from: rgba(0, 0, 0, 0.65);
  --hero-gradient-mid: rgba(0, 0, 0, 0.38);
  --eyebrow: #5ea3ff;
  --max-w: 72rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Montserrat", system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.65;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 768px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: transparent;
  transition:
    border-color 0.5s ease,
    background 0.5s ease,
    backdrop-filter 0.5s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(11, 13, 18, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text);
}

@media (min-width: 768px) {
  .site-header__brand {
    font-size: 1rem;
  }
}

.brand-title {
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

@media (min-width: 768px) {
  .brand-title {
    font-size: 1.12rem;
  }
}

.site-header__brand svg {
  flex-shrink: 0;
}

.site-nav {
  display: none;
  align-items: center;
  gap: 2.25rem;
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
  }
}

.site-nav a {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--text-nav);
  padding-bottom: 0.25rem;
  border-bottom: 1px solid transparent;
  transition:
    color 0.3s ease,
    border-color 0.3s ease;
}

.site-nav a:hover {
  color: #fff;
  border-bottom-color: rgba(13, 110, 253, 0.7);
}

.site-header__cta {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #fff;
  background: var(--accent-blue);
  transition: background 0.3s ease;
}

@media (min-width: 768px) {
  .site-header__cta {
    display: inline-flex;
  }
}

.site-header__cta:hover {
  background: var(--accent-red);
}

.site-header__menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  color: var(--text-nav);
  background: transparent;
  cursor: pointer;
}

@media (min-width: 768px) {
  .site-header__menu-btn {
    display: none;
  }
}

.site-header__menu-btn svg {
  display: block;
}

.site-header__drawer {
  display: none;
  border-top: 1px solid var(--border);
  background: rgba(11, 13, 18, 0.95);
  padding: 1rem;
}

.site-header__drawer.is-open {
  display: block;
}

.site-header__menu-btn .icon-close {
  display: none;
}

.site-header__menu-btn[aria-expanded="true"] .icon-menu {
  display: none;
}

.site-header__menu-btn[aria-expanded="true"] .icon-close {
  display: block;
}

@media (min-width: 768px) {
  .site-header__drawer {
    display: none !important;
  }
}

.site-header__drawer a {
  display: block;
  padding: 0.25rem 0;
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--text-nav);
}

.site-header__drawer a:hover {
  color: #fff;
}

/* Section titles */
.section-head {
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head__eyebrow {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--accent-blue);
}

.section-head__title {
  margin: 0.75rem 0 0;
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}

@media (min-width: 768px) {
  .section-head__title {
    font-size: 2.25rem;
  }
}

.section-head__desc {
  margin: 1.25rem 0 0;
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .section-head__desc {
    font-size: 1.125rem;
  }
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  min-height: 78vh;
  align-items: center;
  overflow: hidden;
  padding: 7rem 1rem 6rem;
}

@media (min-width: 768px) {
  .hero {
    min-height: 85vh;
    padding: 9rem 1.5rem 8rem;
  }
}

.hero__bg {
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.42);
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    var(--hero-gradient-from),
    var(--hero-gradient-mid),
    transparent
  );
}

.hero__content {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
}

.hero__eyebrow {
  margin: 0 0 1.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--eyebrow);
}

.hero__title {
  margin: 0;
  max-width: 56rem;
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.04em;
  color: var(--text);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: 3.75rem;
  }
}

.hero__lead {
  margin: 2rem 0 0;
  max-width: 48rem;
  font-size: 1rem;
  font-weight: 300;
  color: #e8eef8;
}

@media (min-width: 768px) {
  .hero__lead {
    font-size: 1.25rem;
  }
}

.hero__actions {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .hero__actions {
    flex-direction: row;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    color 0.3s ease;
}

.btn--primary {
  color: #fff;
  background: var(--accent-blue);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.btn--primary:hover {
  background: var(--accent-red);
}

.btn--outline {
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(4px);
}

.btn--outline:hover {
  border-color: var(--accent-blue);
  background: rgba(0, 0, 0, 0.35);
}

/* Services */
.section--services {
  background: var(--bg-section);
  padding: 5rem 1rem;
}

@media (min-width: 768px) {
  .section--services {
    padding: 6rem 1.5rem;
  }
}

.services-grid {
  margin-top: 3.5rem;
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.service-card {
  border-top: 1px solid rgba(13, 110, 253, 0.4);
  padding-top: 1.5rem;
  transition: transform 0.8s ease-out;
}

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

.service-card__thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: var(--bg);
}

.service-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.service-card__icon {
  display: block;
  color: var(--accent-red);
}

.service-card__title {
  margin: 1.5rem 0 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text);
}

.service-card__text {
  margin: 1rem 0 0;
  font-weight: 300;
  color: var(--text-muted);
}

/* Gallery */
.section--gallery {
  background: var(--bg);
  padding: 5rem 1rem;
}

@media (min-width: 768px) {
  .section--gallery {
    padding: 6rem 1.5rem;
  }
}

.gallery-masonry {
  margin-top: 3rem;
  column-count: 1;
  column-gap: 1rem;
}

@media (min-width: 640px) {
  .gallery-masonry {
    column-count: 2;
  }
}

@media (min-width: 1024px) {
  .gallery-masonry {
    column-count: 3;
  }
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg-section);
}

.gallery-item img {
  width: 100%;
  object-fit: cover;
  transition: transform 0.7s ease-out;
}

.gallery-item:hover img {
  transform: scale(1.02);
}

.gallery-item--h1 img {
  height: 20rem;
}

.gallery-item--h2 img {
  height: 15rem;
}

.gallery-item--h3 img {
  height: 18rem;
}

/* About */
.section--about {
  background: var(--bg-section);
  padding: 5rem 1rem;
}

@media (min-width: 768px) {
  .section--about {
    padding: 6rem 1.5rem;
  }
}

.section-head--about {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .section-head--about {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
    max-width: none;
  }
}

.about-grid {
  display: grid;
  gap: 3rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-top: 3rem;
  padding-bottom: 3rem;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
  }
}

.about-grid__text {
  margin: 0;
  font-weight: 300;
  color: var(--text-muted);
}

/* Contact */
.section--contact {
  background: var(--bg);
  padding: 5rem 1rem;
}

@media (min-width: 768px) {
  .section--contact {
    padding: 6rem 1.5rem;
  }
}

.contact-card {
  margin-top: 3rem;
  margin-left: auto;
  margin-right: auto;
  max-width: 36rem;
  border: 1px solid var(--border);
  background: var(--bg-section);
  padding: 2rem;
}

.contact-card__title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text);
}

.contact-list {
  margin-top: 1.5rem;
}

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  font-weight: 300;
  color: var(--text-muted);
}

.contact-list li:last-child {
  margin-bottom: 0;
}

.contact-list svg {
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.contact-list a:hover {
  color: #fff;
}

.contact-list a {
  color: #e6eefc;
  text-decoration: none;
}

.contact-actions {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .contact-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

.btn--call {
  width: 100%;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent-blue);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  text-align: center;
  transition: background 0.3s ease;
}

@media (min-width: 640px) {
  .btn--call {
    width: auto;
  }
}

.btn--call:hover {
  background: var(--accent-blue-hover);
}

.btn--call-alt {
  width: 100%;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #e4ebf5;
  border: 1px solid var(--border);
  text-align: center;
  transition:
    border-color 0.3s ease,
    color 0.3s ease;
}

@media (min-width: 640px) {
  .btn--call-alt {
    width: auto;
  }
}

.btn--call-alt:hover {
  border-color: var(--accent-blue);
}

.contact-extra-actions {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .contact-extra-actions {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
}

.btn--mail,
.btn--facebook {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
}

@media (min-width: 640px) {
  .btn--mail,
  .btn--facebook {
    width: auto;
  }
}

.btn--mail {
  color: #fff;
  background: #dc3545;
}

.btn--mail:hover {
  background: #b02a37;
}

.btn--facebook {
  color: #fff;
  background: #1877f2;
}

.btn--facebook:hover {
  background: #0f5ec7;
}

.fb-inline-icon,
.fb-btn-icon {
  display: inline-block;
  object-fit: contain;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 2rem 1rem;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--footer-muted);
}

@media (min-width: 768px) {
  .site-footer {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* Reveal animation (JS adds .is-visible) */
.js-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.8s ease-out,
    transform 0.8s ease-out;
}

.js-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js-reveal-delay-1 {
  transition-delay: 0.12s;
}

.js-reveal-delay-2 {
  transition-delay: 0.2s;
}

.js-reveal-delay-3 {
  transition-delay: 0.08s;
}

.js-reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.8s ease-out,
    transform 0.8s ease-out;
}

.js-reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.js-reveal-stagger.is-visible > *:nth-child(1) {
  transition-delay: 0s;
}
.js-reveal-stagger.is-visible > *:nth-child(2) {
  transition-delay: 0.08s;
}
.js-reveal-stagger.is-visible > *:nth-child(3) {
  transition-delay: 0.16s;
}
.js-reveal-stagger.is-visible > *:nth-child(4) {
  transition-delay: 0.24s;
}

@media (prefers-reduced-motion: reduce) {
  .js-reveal,
  .js-reveal-stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
}