/* STYLE.CSS — Design System: DESIGN-SYSTEM.md */

/* === 0. CSS RESET & FUNDAMENTALS === */

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

html {
  scroll-padding-top: var(--header-height);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary-light);
  text-decoration: underline;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary);
}

a:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: var(--lh-h1);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.625rem, 4vw, 2.25rem);
  line-height: var(--lh-h2);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.375rem, 3vw, 1.5rem);
  line-height: var(--lh-h3);
}

h4 {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  line-height: var(--lh-h4);
}

p {
  margin: 0 0 var(--space-4) 0;
}

p:last-child {
  margin-bottom: 0;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

input, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* === 1. CSS CUSTOM PROPERTIES === */

:root {
  /* Colors — Primary */
  --color-primary: #1B3A5C;
  --color-primary-dark: #0F2540;
  --color-primary-light: #2A5A8C;

  /* Colors — Accent */
  --color-accent: #B84D15;
  --color-accent-dark: #9A3F10;
  --color-accent-light: #F5A623;

  /* Colors — Neutrals */
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F6F8;
  --color-text: #1E2A3A;
  --color-text-secondary: #5A6B7D;
  --color-border: #D4D9E0;
  --color-border-hover: #A0AAB5;

  /* Colors — Status */
  --color-success: #2E7D4F;
  --color-success-bg: #E8F5EC;
  --color-error: #C53030;
  --color-error-bg: #FDE8E8;

  /* Shadows */
  --shadow-card: 0 2px 8px rgba(27, 58, 92, 0.08);
  --shadow-card-hover: 0 4px 16px rgba(27, 58, 92, 0.14);
  --shadow-header: 0 1px 4px rgba(27, 58, 92, 0.10);

  /* Typography */
  --font-heading: 'Montserrat', Arial, sans-serif;
  --font-body: 'Inter', 'Segoe UI', Tahoma, sans-serif;
  --fw-regular: 400;
  --fw-semibold: 600;
  --fw-bold: 700;
  --lh-h1: 1.15;
  --lh-h2: 1.2;
  --lh-h3: 1.25;
  --lh-h4: 1.3;
  --lh-body: 1.6;

  /* Spacing (base: 4px) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Layout */
  --container-max: 1200px;
  --container-padding: 16px;
  --grid-gap: 24px;
  --border-radius: 8px;
  --border-radius-lg: 12px;

  /* Header */
  --header-height: 60px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
}

@media (min-width: 768px) {
  :root {
    --container-padding: 24px;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: 32px;
    --lh-h1: 1.1;
    --lh-h2: 1.15;
    --lh-body: 1.7;
    --header-height: 72px;
  }
}

/* === 2. ACCESSIBILITY === */

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 10000;
  padding: 8px 16px;
  background: var(--color-primary);
  color: #FFFFFF;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: var(--fw-semibold);
  border-radius: var(--border-radius);
  text-decoration: none;
}

.skip-link:focus {
  top: 8px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto !important;
  }
}

/* === 3. LAYOUT === */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
}

@media (min-width: 1024px) {
  .section {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }
}

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

.grid {
  display: grid;
  gap: var(--grid-gap);
  grid-template-columns: 1fr;
}

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

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

.grid--2col {
  display: grid;
  gap: var(--grid-gap);
  grid-template-columns: 1fr;
}

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

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

/* === 4. SECTION HEADINGS (decorative underline) === */

.section__title {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background-color: var(--color-accent);
  margin: var(--space-3) auto var(--space-8) auto;
  border-radius: 2px;
}

.section__intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-10) auto;
  color: var(--color-text-secondary);
}

/* === 5. BUTTONS === */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  font-size: 18px;
  line-height: 1;
  border-radius: var(--border-radius);
  min-height: 48px;
  min-width: 44px;
  padding: 14px 32px;
  text-decoration: none;
  transition: background-color var(--transition-base), transform 0.1s ease, border-color var(--transition-base);
  cursor: pointer;
  border: none;
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.btn:focus:not(:focus-visible) {
  outline: none;
}

/* Primary CTA */
.btn--primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.btn--primary:hover {
  background-color: var(--color-accent-dark);
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(184, 77, 21, 0.3);
}

.btn--primary:hover .btn__icon {
  transform: rotate(-10deg) scale(1.1);
  transition: transform var(--transition-base);
}

.btn--primary:active {
  transform: scale(0.98);
}

/* Secondary */
.btn--secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  padding: 12px 30px;
}

.btn--secondary:hover {
  background-color: rgba(232, 112, 42, 0.08);
  border-color: var(--color-accent-dark);
  color: var(--color-accent-dark);
}

/* Ghost (on dark backgrounds) */
.btn--ghost {
  background-color: transparent;
  color: #FFFFFF;
  border: 2px solid #FFFFFF;
  padding: 12px 30px;
}

.btn--ghost:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
}

.btn--ghost:active {
  transform: scale(0.98);
}

.btn--ghost:focus-visible {
  outline: 3px solid #FFFFFF;
  outline-offset: 2px;
}

/* Phone button (sticky header) */
.btn--phone {
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-size: 14px;
  padding: 8px 16px;
  min-height: 36px;
  border-radius: 6px;
}

.btn--phone:hover {
  background-color: var(--color-accent-dark);
  color: #FFFFFF;
}

/* Full width on mobile */
.btn--full-mobile {
  width: 100%;
}

@media (min-width: 768px) {
  .btn--full-mobile {
    width: auto;
  }
}

/* Button icon */
.btn__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn--phone .btn__icon {
  width: 16px;
  height: 16px;
}

/* === 6. HEADER / NAVIGATION === */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-bg);
  box-shadow: var(--shadow-header);
  height: var(--header-height);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Text logo */
.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.2;
  flex-shrink: 0;
}

.logo__name {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  font-size: 16px;
}

.logo__sub {
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  color: var(--color-text-secondary);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (min-width: 1024px) {
  .logo__name {
    font-size: 20px;
  }

  .logo__sub {
    font-size: 12px;
  }
}

/* Desktop nav */
.nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .nav {
    display: flex;
  }
}

.nav__link {
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  font-size: 14px;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.nav__link:hover {
  color: var(--color-primary-light);
}

.nav__link.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Header actions (right side) */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__phone-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .header__phone-desktop {
    display: inline-flex;
  }
}

/* Mobile phone icon */
.header__phone-mobile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-accent);
  text-decoration: none;
}

@media (min-width: 1024px) {
  .header__phone-mobile {
    display: none;
  }
}

.header__phone-mobile svg {
  width: 24px;
  height: 24px;
}

/* Hamburger */
.hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
}

@media (min-width: 1024px) {
  .hamburger {
    display: none;
  }
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  position: absolute;
}

.hamburger__line:nth-child(1) {
  transform: translateY(-7px);
}

.hamburger__line:nth-child(2) {
  transform: translateY(0);
}

.hamburger__line:nth-child(3) {
  transform: translateY(7px);
}

/* Hamburger open state */
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) {
  transform: rotate(45deg);
}

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

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) {
  transform: rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg);
  z-index: 999;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

@media (min-width: 1024px) {
  .mobile-menu {
    display: none !important;
  }
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu__overlay {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 998;
}

.mobile-menu__overlay.open {
  display: block;
}

.mobile-menu__nav {
  flex: 1;
  padding: 0;
}

.mobile-menu__link {
  display: block;
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  font-size: 18px;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-base);
}

.mobile-menu__link:hover {
  color: var(--color-primary-light);
}

.mobile-menu__cta {
  padding: var(--space-6);
}

/* === 7. HERO === */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-primary-dark);
}

@media (min-width: 1024px) {
  .hero {
    min-height: 80vh;
  }
}

.hero__bg {
  position: absolute;
  inset: 0;
}

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

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 37, 64, 0.7) 0%, rgba(15, 37, 64, 0.45) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  padding: var(--space-6);
  animation: heroFadeIn 0.6s ease-out 0.2s both;
}

.hero__title {
  color: #FFFFFF;
}

.hero__slogan {
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  font-size: 20px;
  color: #FFFFFF;
  margin-top: var(--space-4);
}

@media (min-width: 1024px) {
  .hero__slogan {
    font-size: 24px;
  }
}

.hero__text {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  margin-top: var(--space-3);
}

@media (min-width: 1024px) {
  .hero__text {
    font-size: 18px;
  }
}

.hero__actions {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 768px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* Hero fade-in animation */
@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === 8. ABOUT SECTION === */

.about__content {
  max-width: 800px;
  margin: 0 auto;
}

.about__content p {
  margin-bottom: var(--space-4);
}

/* === 9. SERVICE CARDS === */

.service-card {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  border: 1px solid transparent;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  display: flex;
  flex-direction: column;
  width: 100%;
}

@media (min-width: 1024px) {
  .service-card {
    padding: var(--space-8);
  }
}

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

.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.service-card__icon svg {
  width: 48px;
  height: 48px;
  stroke-width: 1.5;
}

.service-card__title {
  margin-bottom: var(--space-3);
}

.section__cta {
  margin-top: var(--space-8);
}

.service-card__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  hyphens: auto;
  text-wrap: pretty;
}

.service-card__body {
  flex: 1;
}

/* Highlighted service card */
@media (min-width: 768px) {
  .service-card--highlight {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-4) var(--space-6);
    align-items: start;
  }

  .service-card--highlight .service-card__icon {
    grid-row: 1 / 3;
    grid-column: 1;
    margin-bottom: 0;
  }

  .service-card--highlight .service-card__title {
    grid-column: 2;
    grid-row: 1;
  }

  .service-card--highlight .service-card__body {
    grid-column: 2;
    grid-row: 2;
    columns: 2;
    column-gap: var(--space-6);
  }
}

/* === 10. REALIZATION CARDS === */

.realization-card {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-slow);
}

.realization-card:hover {
  box-shadow: var(--shadow-card-hover);
}

.realization-card__img-wrapper {
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.realization-card__img-wrapper img,
.realization-card__img-wrapper picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.realization-card:hover .realization-card__img-wrapper img,
.realization-card:hover .realization-card__img-wrapper picture img {
  transform: scale(1.03);
}

.realization-card__text {
  padding: var(--space-5);
}

/* Placeholder */
.placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background-color: #E2E5EA;
  width: 100%;
  height: 100%;
  min-height: 200px;
}

.placeholder__icon {
  width: 32px;
  height: 32px;
  color: #A0AAB5;
}

.placeholder__text {
  font-size: 14px;
  color: var(--color-text-secondary);
  text-align: center;
  padding: 0 var(--space-4);
}

/* === 11. TESTIMONIAL CARDS === */

.testimonial-card {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  border-left: 4px solid var(--color-accent);
  position: relative;
}

.testimonial-card__quote-mark {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: 64px;
  color: var(--color-accent);
  opacity: 0.2;
  position: absolute;
  top: 16px;
  left: 24px;
  line-height: 1;
  pointer-events: none;
}

.testimonial-card__text {
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

.testimonial-card__separator {
  width: 40px;
  height: 2px;
  background-color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.testimonial-card__author {
  font-weight: var(--fw-semibold);
  color: var(--color-text);
}

.testimonial-card__location {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* === 12. FAQ ACCORDION === */

.faq {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: clamp(1.375rem, 2.5vw, 1.5rem);
  color: var(--color-text);
  gap: var(--space-4);
  line-height: var(--lh-h3);
}

.faq__question:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.faq__question:focus:not(:focus-visible) {
  outline: none;
}

.faq__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-text-secondary);
  transition: transform var(--transition-base);
}

/* Icon rotation with JS */
.js .faq__item[data-open="true"] .faq__icon {
  transform: rotate(45deg);
}

/* Without JS: hide toggle icon */
:not(.js) .faq__icon {
  display: none;
}

/* Without JS: answers visible by default */
.faq__answer {
  overflow: hidden;
}

/* With JS: collapsed accordion */
.js .faq__answer {
  max-height: 0;
  transition: max-height var(--transition-slow), opacity var(--transition-base);
  opacity: 0;
}

.js .faq__item[data-open="true"] .faq__answer {
  opacity: 1;
}

.faq__answer-inner {
  padding-bottom: var(--space-5);
  color: var(--color-text);
}

/* Pill CTA */
.pill-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: 10px 20px;
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  font-size: 15px;
  line-height: 1;
  text-decoration: none;
  border-radius: 100px;
  transition: background-color var(--transition-base), box-shadow var(--transition-base), transform 0.1s ease;
  min-height: 44px;
}

.pill-cta:hover {
  background-color: var(--color-accent-dark);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(184, 77, 21, 0.3);
}

.pill-cta:active {
  transform: scale(0.97);
}

.pill-cta:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.pill-cta-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Post-FAQ CTA banner */
.faq-banner {
  margin-top: var(--space-10);
  background-color: var(--color-primary-dark);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
}

.faq-banner__title {
  color: #FFFFFF;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: var(--space-2);
}

.faq-banner__text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  margin-bottom: var(--space-6);
}

.faq-banner__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
}

@media (min-width: 768px) {
  .faq-banner__actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* Sticky mobile CTA */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background-color: var(--color-bg);
  box-shadow: 0 -2px 12px rgba(27, 58, 92, 0.12);
  padding: var(--space-3) var(--container-padding);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.sticky-cta.visible {
  transform: translateY(0);
}

@media (max-width: 1023px) {
  body {
    padding-bottom: 72px; /* wysokość sticky-cta (48px min-height + padding) */
  }
}

@media (min-width: 1024px) {
  .sticky-cta {
    display: none !important;
  }
}

.sticky-cta__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  max-width: var(--container-max);
  margin: 0 auto;
}

.sticky-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  flex: 1;
  max-width: 320px;
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  font-size: 16px;
  line-height: 1;
  padding: 12px 20px;
  min-height: 48px;
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: background-color var(--transition-base);
  border: none;
  cursor: pointer;
}

.sticky-cta__btn--primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.sticky-cta__btn--primary:hover {
  background-color: var(--color-accent-dark);
  color: #FFFFFF;
}

.sticky-cta__btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* === 13. CONTACT SECTION === */

.contact__grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact__form-card {
  order: -1;
}

@media (min-width: 1024px) {
  .contact__grid {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 0;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
  }

  .contact__form-card {
    order: initial;
  }
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-6);
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.9);
  border-radius: var(--border-radius-lg);
}

@media (min-width: 1024px) {
  .contact__info {
    padding: var(--space-8);
    border-radius: 0;
    gap: var(--space-6);
  }
}

.contact__info-title {
  color: #fff;
  font-size: 1.375rem;
  margin-bottom: 0;
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.contact__item-icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact__item-label {
  display: block;
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 2px;
}

.contact__item a {
  color: #fff;
  transition: color var(--transition-base);
}

.contact__item a:hover {
  color: var(--color-accent-light);
}

.contact__form-card {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
}

@media (min-width: 1024px) {
  .contact__form-card {
    padding: var(--space-8);
    border-radius: 0;
    box-shadow: none;
  }
}

.contact__form-title {
  margin-bottom: var(--space-6);
}

/* === 14. FORM === */

/* Form row */
.form__row {
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .form__row {
    flex-direction: row;
    gap: var(--space-5);
  }

  .form__row .form__group {
    flex: 1;
  }
}

.form__group {
  margin-bottom: var(--space-5);
}

.form__label {
  display: block;
  font-weight: var(--fw-semibold);
  font-size: 16px;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form__label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form__input,
.form__textarea {
  display: block;
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 12px 16px;
  font-size: 16px;
  font-family: var(--font-body);
  font-weight: var(--fw-regular);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  min-height: 48px;
}

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

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27, 58, 92, 0.15);
  outline: none;
}

.form__input.error,
.form__textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(197, 48, 48, 0.15);
}

.form__error {
  font-size: 14px;
  color: var(--color-error);
  margin-top: 4px;
  display: none;
}

.form__group.has-error .form__error {
  display: block;
}

/* Form submit */
.form__submit {
  width: 100%;
}

@media (min-width: 768px) {
  .form__submit {
    width: auto;
  }
}

/* Success message */
.form__success {
  display: none;
  background-color: var(--color-success-bg);
  border: 1px solid var(--color-success);
  border-radius: var(--border-radius);
  padding: 16px 20px;
  color: var(--color-success);
  align-items: flex-start;
  gap: var(--space-3);
}

.form__success.visible {
  display: flex;
}

.form__success-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Error message (submission failed) */
.form__submission-error {
  display: none;
  background-color: var(--color-error-bg);
  border: 1px solid var(--color-error);
  border-radius: var(--border-radius);
  padding: 16px 20px;
  color: var(--color-error);
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.form__submission-error.visible {
  display: flex;
}

/* Hidden honeypot */
.form__honeypot {
  display: none;
}

/* === 15. FOOTER === */

.footer {
  background-color: var(--color-primary-dark);
  color: #FFFFFF;
  padding: var(--space-12) 0;
}

@media (min-width: 1024px) {
  .footer {
    padding: var(--space-16) 0;
  }
}

.footer__inner {
  text-align: center;
}

@media (min-width: 1024px) {
  .footer__inner {
    text-align: left;
  }
}

.footer .logo__name {
  color: #FFFFFF;
}

.footer .logo__sub {
  color: rgba(255, 255, 255, 0.65);
}

.footer__company-name {
  margin: var(--space-4) 0 0;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: var(--fw-regular);
  color: rgba(255, 255, 255, 0.75);
}

.footer__contacts {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__contact-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
}

@media (min-width: 1024px) {
  .footer__contacts {
    align-items: flex-start;
  }
}

.footer__contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.footer__contact-item a {
  color: var(--color-accent-light);
  transition: color var(--transition-base);
}

.footer__contact-item a:hover {
  color: #FFFFFF;
}

.footer__separator {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin: var(--space-6) 0;
}

.footer__copyright {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
}

/* === 16. CONTENT-VISIBILITY (below-the-fold) === */

.section,
.footer {
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}

/* === 17. SCROLL ANIMATIONS (JS-gated) === */

.js .animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.js .animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === 18. UTILITY CLASSES === */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center {
  text-align: center;
}

/* === 404 ERROR PAGE === */

.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-6);
}

.error-page__code {
  font-family: var(--font-heading);
  font-size: clamp(4rem, 15vw, 8rem);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.error-page__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.error-page__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}