/* ============================================
   SYSTEMY Dawid Kretkowski — style.css
   Design System: Grafit + Zielony + Pomaranczowy
   Metodologia: BEM
   ============================================ */

/* --- Custom Properties --- */
:root {
  /* Colors */
  --color-bg-dark: #1a1a2e;
  --color-bg-darker: #12121f;
  --color-bg-section: #f8f9fa;
  --color-bg-white: #ffffff;
  --color-green: #2ecc71;
  --color-green-dark: #27ae60;
  --color-green-light: rgba(46, 204, 113, 0.1);
  --color-orange: #ff7631;
  --color-orange-dark: #e5601a;
  --color-gold: #d4a843;
  --color-text-dark: #1a1a2e;
  --color-text-body: #444;
  --color-text-light: #999;
  --color-text-white: #ffffff;
  --color-text-white-muted: rgba(255, 255, 255, 0.7);
  --color-border: #e0e0e0;
  --color-border-light: rgba(255, 255, 255, 0.1);

  /* Typography */
  --font-display: 'Gabarito', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Spacing */
  --section-padding: 64px 0;
  --container-width: 1200px;
  --container-padding: 0 24px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.1);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;
}

/* --- Reset --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text-body);
  line-height: 1.7;
  background: var(--color-bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-green);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-green-dark);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-text-dark);
  line-height: 1.2;
  font-weight: 700;
}

/* --- Container --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.4;
}

.btn--primary {
  background: var(--color-green);
  color: var(--color-text-white);
}

.btn--primary:hover {
  background: var(--color-green-dark);
  color: var(--color-text-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 204, 113, 0.3);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-white);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn--secondary:hover {
  border-color: var(--color-text-white);
  color: var(--color-text-white);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--color-green);
  border: 2px solid var(--color-green);
}

.btn--outline:hover {
  background: var(--color-green);
  color: var(--color-text-white);
  transform: translateY(-2px);
}

.btn--orange {
  background: var(--color-orange);
  color: var(--color-text-white);
}

.btn--orange:hover {
  background: var(--color-orange-dark);
  color: var(--color-text-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 118, 49, 0.3);
}

.btn--sm {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* --- Section Utilities --- */
.section {
  padding: var(--section-padding);
}

.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-text-white);
}

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

.section__header {
  text-align: center;
  margin-bottom: 40px;
}

.section__label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-green);
  margin-bottom: 16px;
}

.section__title {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.section__subtitle {
  font-size: 1.15rem;
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

.section--dark .section__subtitle {
  color: var(--color-text-white-muted);
}

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 6px 0;
  background: rgba(26, 26, 46, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all var(--transition-base);
}

.nav--scrolled {
  background: rgba(26, 26, 46, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 4px 0;
  box-shadow: var(--shadow-nav);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  text-decoration: none;
}

.nav__logo-img {
  height: 28px;
  width: auto;
  filter: invert(1);
  transition: filter var(--transition-fast);
}

.nav__logo-tagline {
  font-size: 0.6rem;
  color: var(--color-text-white-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  white-space: nowrap;
  margin-top: 1px;
}

/* Keep old classes for backwards compat if needed */
.nav__logo-icon { display: none; }
.nav__logo-text { display: none; }
.nav__logo-name { display: none; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-green);
  transition: width var(--transition-base);
}

.nav__link:hover {
  color: var(--color-text-white);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* Orange accent: Kontakt nav link as CTA button */
.nav__link[href*="kontakt"] {
  background: var(--color-orange);
  color: var(--color-text-white);
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.nav__link[href*="kontakt"]::after {
  display: none;
}

.nav__link[href*="kontakt"]:hover {
  background: var(--color-orange-dark);
  color: var(--color-text-white);
  box-shadow: 0 4px 16px rgba(255, 118, 49, 0.25);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
  z-index: 1001;
}

.nav__hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__hamburger--active .nav__hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger--active .nav__hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav__hamburger--active .nav__hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(46, 204, 113, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(255, 118, 49, 0.05) 0%, transparent 50%),
    linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-darker) 100%);
}

/* Subtle grid pattern */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 204, 113, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 204, 113, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero > .container {
  max-width: 85vw !important;
  padding: 0 5vw !important;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(46, 204, 113, 0.1);
  border: 1px solid rgba(46, 204, 113, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--color-green);
  font-weight: 500;
  margin-bottom: 32px;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-green);
  border-radius: var(--radius-full);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-size: 4rem;
  color: var(--color-text-white);
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero__title-accent {
  color: var(--color-green);
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-text-white-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__stats {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
}

.hero__stat {
  text-align: left;
}

.hero__stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-green);
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.9rem;
  color: var(--color-text-white-muted);
  margin-top: 6px;
}

/* --- Hero Slider --- */
.hero__slider {
  position: relative;
  z-index: 1;
  overflow: hidden;
  width: 100%;
}

.hero__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: var(--hero-slide-h, auto);
  transform: translateX(110%);
  pointer-events: none;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero__slide--active {
  position: relative;
  transform: translateX(0);
  pointer-events: auto;
}

.hero__slide--exit {
  transform: translateX(-100%);
}

.hero__dots {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.hero__dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  border: 2px solid rgba(46, 204, 113, 0.4);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.hero__dot:hover {
  border-color: var(--color-green);
}

.hero__dot--active {
  background: var(--color-green);
  border-color: var(--color-green);
}

/* ============================================
   O NAS (About)
   ============================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__text p {
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.about__quote {
  position: relative;
  padding: 24px 32px;
  margin: 32px 0;
  background: var(--color-green-light);
  border-left: 4px solid var(--color-green);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text-dark);
  font-size: 1.05rem;
  line-height: 1.7;
}

.about__quote-author {
  display: block;
  margin-top: 12px;
  font-style: normal;
  font-weight: 600;
  color: var(--color-green-dark);
  font-size: 0.9rem;
}

/* Timeline */
.about__timeline {
  position: relative;
  padding-left: 32px;
}

.about__timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--color-green), var(--color-orange));
  border-radius: 3px;
}

.about__timeline-item {
  position: relative;
  padding: 0 0 40px 32px;
}

.about__timeline-item:last-child {
  padding-bottom: 0;
}

.about__timeline-item::before {
  content: '';
  position: absolute;
  left: -38px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--color-green);
  border-radius: var(--radius-full);
  border: 3px solid var(--color-bg-white);
  box-shadow: 0 0 0 3px var(--color-green);
}

.about__timeline-year {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-green);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.about__timeline-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 4px;
}

.about__timeline-desc {
  font-size: 0.95rem;
  color: var(--color-text-light);
}

/* Numbers / Stats */
.about__numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.about__number {
  text-align: center;
  padding: 24px 16px;
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.about__number-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-green);
  line-height: 1;
}

.about__number-label {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 8px;
}

/* Certifications */
.about__certs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.about__cert {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--color-bg-section);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-dark);
}

.about__cert-icon {
  color: var(--color-green);
}

/* Team */
.about__team {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.about__team-member {
  text-align: center;
  padding: 24px 16px;
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  box-shadow: var(--shadow-card);
}

.about__team-avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--color-bg-dark);
  color: var(--color-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 auto 12px;
}

.about__team-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-dark);
}

.about__team-role {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* ============================================
   USLUGI (Services)
   ============================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.services__card {
  padding: 40px;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

a.services__card--clickable {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.services__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-green);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--transition-base);
}

.services__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(46, 204, 113, 0.1);
}

.services__card:hover::before {
  transform: scaleY(1);
}

.services__card-icon {
  width: 56px;
  height: 56px;
  background: var(--color-green-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.5rem;
}

.services__card-title {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.services__card-desc {
  font-size: 0.95rem;
  color: var(--color-text-body);
  margin-bottom: 16px;
  line-height: 1.7;
}

.services__card-list {
  margin-bottom: 20px;
}

.services__card-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--color-text-body);
}

.services__card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--color-green);
  border-radius: var(--radius-full);
}


.services__card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.95rem;
}

.services__card-link svg {
  transition: transform var(--transition-fast);
}

.services__card-link:hover svg {
  transform: translateX(4px);
}

/* ============================================
   ROZWIAZANIA (Solutions / Use Cases)
   ============================================ */
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.solutions__card {
  padding: 32px;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  border: 1px solid transparent;
  position: relative;
}

.solutions__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(46, 204, 113, 0.15);
}

.solutions__card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.solutions__card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-bg-dark);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-green);
}

.solutions__card-tag {
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-green);
  background: rgba(46, 204, 113, 0.08);
  padding: 4px 10px;
  border-radius: 50px;
  border: 1px solid rgba(46, 204, 113, 0.15);
}

.solutions__card-title {
  font-size: 1.15rem;
  margin-bottom: 10px;
  line-height: 1.3;
}

.solutions__card-desc {
  font-size: 0.9rem;
  color: var(--color-text-body);
  line-height: 1.65;
  margin-bottom: 16px;
}

.solutions__card-proof {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--color-text-light);
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.solutions__card-proof-dot {
  width: 6px;
  height: 6px;
  background: var(--color-green);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.solutions__cta {
  text-align: center;
  margin-top: 48px;
  padding: 40px;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.solutions__cta p {
  font-size: 1.05rem;
  color: var(--color-text-body);
  margin-bottom: 24px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.solutions__cta .btn.btn--primary {
  background: var(--color-orange);
  color: var(--color-text-white);
}

.solutions__cta .btn.btn--primary:hover {
  background: var(--color-orange-dark);
  box-shadow: 0 6px 20px rgba(255, 118, 49, 0.3);
}


/* Flagship card styling */
.services__card--flagship {
  grid-column: 1 / -1;
  background: var(--color-bg-dark);
  color: var(--color-text-white);
  border: 1px solid rgba(46, 204, 113, 0.2);
}

.services__card--flagship .services__card-title {
  color: var(--color-text-white);
  font-size: 1.5rem;
}

.services__card--flagship .services__card-desc {
  color: var(--color-text-white-muted);
}

.services__card--flagship .services__card-list li {
  color: var(--color-text-white-muted);
}

.services__card--flagship .services__card-list li::before {
  background: var(--color-green);
}

.services__card--flagship:hover {
  border-color: rgba(46, 204, 113, 0.4);
  box-shadow: 0 0 0 1px rgba(46, 204, 113, 0.15), 0 16px 40px rgba(0, 0, 0, 0.3);
}

.services__card--flagship::before {
  display: none;
}

.services__card-badge {
  display: inline-block;
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-bg-dark);
  background: var(--color-green);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 20px;
}

/* ============================================
   AI SUIT (Highlight)
   ============================================ */
.aisuit {
  background: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
}

.aisuit::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(212, 168, 67, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 30% 80%, rgba(46, 204, 113, 0.05) 0%, transparent 50%);
}

.aisuit__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.aisuit__label {
  color: var(--color-gold);
}

.aisuit__title {
  color: var(--color-text-white);
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.aisuit__desc {
  color: var(--color-text-white-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.aisuit__features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.aisuit__feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.aisuit__feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(212, 168, 67, 0.1);
  border: 1px solid rgba(212, 168, 67, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-size: 1.2rem;
}

.aisuit__feature-text h4 {
  color: var(--color-text-white);
  font-size: 1rem;
  margin-bottom: 4px;
}

.aisuit__feature-text p {
  font-size: 0.9rem;
  color: var(--color-text-white-muted);
}

.aisuit__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.aisuit__card {
  width: 100%;
  max-width: 420px;
  padding: 48px 40px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(212, 168, 67, 0.15);
  border-radius: var(--radius-lg);
  text-align: center;
  backdrop-filter: blur(10px);
}

.aisuit__card-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.aisuit__card-title {
  font-size: 1.8rem;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.aisuit__card-subtitle {
  font-size: 1rem;
  color: var(--color-text-white-muted);
  margin-bottom: 32px;
}

.aisuit__card .btn {
  width: 100%;
}

/* ============================================
   REFERENCJE (References)
   ============================================ */
.references__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.references__item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.references__item:hover {
  border-color: rgba(46, 204, 113, 0.15);
  transform: translateY(-2px);
}

.references__item-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
  display: block;
}

.references__item-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-dark);
}

.references__item-type {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

.references__item-year {
  font-size: 0.7rem;
  color: var(--color-green);
  margin-top: 4px;
  font-weight: 600;
}

/* Testimonials */
.references__testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 48px 0;
}

.references__testimonial {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border-left: 3px solid var(--color-green);
}


.references__quote {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-text-base);
  margin: 0;
  font-style: italic;
}

.references__author {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.references__author-name {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-dark);
}

.references__author-role {
  font-size: 0.7rem;
  color: var(--color-text-light);
  margin-top: 2px;
}

/* Case Study */
.references__case {
  padding: 48px;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.references__case-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-orange);
  margin-bottom: 12px;
}

.references__case-title {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.references__case-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-body);
}

.references__case-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.references__case-stat {
  padding: 24px;
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
  text-align: center;
}

.references__case-stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-green);
  line-height: 1;
}

.references__case-stat-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 6px;
}

/* ============================================
   KONTAKT (Contact)
   ============================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact__info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact__info-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--color-green-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-green);
  font-size: 1.2rem;
}

.contact__info-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.contact__info-value {
  font-size: 1.05rem;
  color: var(--color-text-dark);
  font-weight: 500;
}

.contact__info-value a {
  color: var(--color-text-dark);
}

.contact__info-value a:hover {
  color: var(--color-green);
}

.contact__map {
  margin-top: 32px;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 200px;
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
}

.contact__map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Form */
.contact__form {
  background: var(--color-bg-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.contact__form-title {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.contact__form-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.form__group {
  margin-bottom: 20px;
}

.form__label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-dark);
  margin-bottom: 6px;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-dark);
  background: var(--color-bg-white);
  transition: border-color var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(255, 118, 49, 0.12);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__input--error {
  border-color: #e74c3c;
}

.form__error {
  font-size: 0.8rem;
  color: #e74c3c;
  margin-top: 4px;
  display: none;
}

.form__input--error + .form__error {
  display: block;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form__consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 16px;
  margin-bottom: 24px;
}

.form__consent input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-green);
}

.form__consent-text {
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.form__consent-text a {
  color: var(--color-green);
}

.form__submit {
  width: 100%;
}

.btn--primary.form__submit {
  background: var(--color-orange);
  color: var(--color-text-white);
}

.btn--primary.form__submit:hover {
  background: var(--color-orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 118, 49, 0.3);
}

.form__success {
  display: none;
  text-align: center;
  padding: 32px;
}

.form__success--visible {
  display: block;
}

.form__success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.form__success-title {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.form__success-text {
  color: var(--color-text-light);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-darker);
  padding: 24px 0 14px;
  color: var(--color-text-white-muted);
  font-size: 0.75rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 20px;
  margin-bottom: 14px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  text-decoration: none;
}

.footer__logo-img {
  height: 18px;
  width: auto;
  filter: invert(1);
}

.footer__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-green);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-text-white);
}

.footer__logo-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-white);
}

.footer__desc {
  font-size: 0.7rem;
  line-height: 1.5;
  margin-bottom: 8px;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social-link {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-white-muted);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: var(--color-text-white);
}

.footer__heading {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text-white);
  margin-bottom: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer__link {
  display: block;
  font-size: 0.65rem;
  line-height: 1.2;
  color: var(--color-text-white-muted);
  padding: 1px 0;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-green);
}

.footer__link--subtle {
  font-size: 0.7rem;
  opacity: 0.5;
  margin-top: 8px;
}

.footer__link--subtle:hover {
  opacity: 1;
}

.footer__aisuit-row {
  padding-bottom: 8px;
}

.footer__aisuit-link {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-orange);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__aisuit-link:hover {
  color: var(--color-text-white);
}

.footer__bottom {
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
}

.footer__bottom a {
  color: var(--color-text-white-muted);
}

.footer__bottom a:hover {
  color: var(--color-green);
}

/* ============================================
   ANIMATIONS (Scroll reveal)
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* ============================================
   PAGE TRANSITIONS (slide between pages)
   ============================================ */
#page-content {
  position: relative;
}

/* Forward: index -> uslugi (slide right) */
@keyframes slideOutLeft {
  from { transform: translate(0, 0); opacity: 1; }
  to   { transform: translate(-100%, var(--slide-y, 0)); opacity: 0; }
}
@keyframes slideInFromRight {
  from { transform: translate(100%, var(--slide-y, 0)); opacity: 0; }
  to   { transform: translate(0, 0); opacity: 1; }
}

/* Back: uslugi -> index (slide left) */
@keyframes slideOutRight {
  from { transform: translate(0, 0); opacity: 1; }
  to   { transform: translate(100%, var(--slide-y, 0)); opacity: 0; }
}
@keyframes slideInFromLeft {
  from { transform: translate(-100%, var(--slide-y, 0)); opacity: 0; }
  to   { transform: translate(0, 0); opacity: 1; }
}

.page-transition-out {
  animation: slideOutLeft 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  overflow: hidden;
}
.page-transition-out--back {
  animation: slideOutRight 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  overflow: hidden;
}

.page-transition-in {
  animation: slideInFromRight 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.page-transition-in--back {
  animation: slideInFromLeft 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .section__title {
    font-size: 2rem;
  }

  .hero__title {
    font-size: 2.8rem;
  }

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

  .about__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .aisuit__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .aisuit__visual {
    order: -1;
  }

  .references__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .references__testimonials {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

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

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-padding: 64px 0;
  }

  .nav__links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(26, 26, 46, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
  }

  .nav__links--open {
    display: flex;
  }

  .nav__link {
    font-size: 1.2rem;
  }

  .nav__cta {
    font-size: 1rem;
    padding: 14px 32px;
  }

  .nav__hamburger {
    display: flex;
  }

  .hero {
    min-height: 100vh;
    min-height: 100dvh;
    padding: 100px 0 48px;
  }

  .hero__title {
    font-size: 2.2rem;
  }

  .hero__subtitle {
    font-size: 1.05rem;
  }

  .hero__stats {
    flex-wrap: wrap;
    gap: 24px 48px;
    margin-top: 32px;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
    text-align: center;
  }

  .section__title {
    font-size: 1.8rem;
  }

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

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

  .services__card--flagship {
    grid-column: 1;
  }

  .services__card {
    padding: 32px 24px;
  }

  .about__numbers {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .about__number-value {
    font-size: 1.6rem;
  }

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

  .references__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .hero__title {
    font-size: 1.8rem;
  }

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

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

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

  .contact__form {
    padding: 24px;
  }
}