@layer base, layout, components, utilities;

@layer base {
  :root {
    --clr-bg: #f5f6f8;
    --clr-surface: #ffffff;
    --clr-surface-alt: #eef0f4;
    --clr-primary: #1a2d4f;
    --clr-primary-mid: #243d6a;
    --clr-accent: #e07b2e;
    --clr-accent-light: color-mix(in srgb, #e07b2e 15%, white);
    --clr-text: #1e2533;
    --clr-text-mid: #3d4a5c;
    --clr-text-light: #6b7a91;
    --clr-border: #d8dde6;
    --clr-footer-bg: #111827;
    --clr-footer-text: #9ca3af;
    --clr-footer-heading: #f3f4f6;
    --clr-white: #ffffff;

    --shadow-xs: 0 1px 3px rgba(26,45,79,0.06), 0 1px 2px rgba(26,45,79,0.04);
    --shadow-sm: 0 2px 8px rgba(26,45,79,0.08), 0 1px 3px rgba(26,45,79,0.05);
    --shadow-md: 0 4px 20px rgba(26,45,79,0.10), 0 2px 6px rgba(26,45,79,0.06);
    --shadow-lg: 0 8px 40px rgba(26,45,79,0.13), 0 4px 12px rgba(26,45,79,0.08);
    --shadow-accent: 0 4px 20px rgba(224,123,46,0.25), 0 2px 6px rgba(224,123,46,0.15);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    --nav-h: 72px;
    --container-max: 1200px;
    --container-pad: clamp(1.25rem, 5vw, 2.5rem);

    --dot-color: rgba(26,45,79,0.09);
    --dot-size: 1.5px;
    --dot-gap: 22px;
  }

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

  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }

  body {
    font-family: 'Epilogue', sans-serif;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--clr-text);
    background-color: var(--clr-bg);
    background-image: radial-gradient(var(--dot-color) var(--dot-size), transparent var(--dot-size));
    background-size: var(--dot-gap) var(--dot-gap);
    min-block-size: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
  }

  main { flex: 1; }

  img { display: block; max-inline-size: 100%; block-size: auto; }

  a { color: inherit; text-decoration: none; transition: color 0.2s ease, opacity 0.2s ease; }
  a:hover { color: var(--clr-accent); }

  ul { list-style: none; }

  h1, h2, h3, h4, h5 {
    font-family: 'Epilogue', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--clr-primary);
  }

  p { margin-block-end: 1em; }
  p:last-child { margin-block-end: 0; }
}

@layer layout {
  .container {
    inline-size: 100%;
    max-inline-size: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
  }

  .section-header {
    text-align: center;
    margin-block-end: var(--space-xl);
  }

  .section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-block-end: var(--space-sm);
  }

  .section-label--light { color: color-mix(in srgb, var(--clr-accent) 80%, white); }

  .section-title {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    color: var(--clr-primary);
    margin-block-end: var(--space-sm);
  }

  .section-title--light { color: var(--clr-white); }

  .section-subtitle {
    font-size: 1.05rem;
    color: var(--clr-text-mid);
    max-inline-size: 600px;
    margin-inline: auto;
  }
}

@layer components {

  
  .nav {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: 900;
    background: color-mix(in srgb, var(--clr-surface) 92%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-block-end: 1px solid var(--clr-border);
    transition: box-shadow 0.3s ease, background 0.3s ease;
  }

  .nav.scrolled {
    box-shadow: var(--shadow-md);
    background: color-mix(in srgb, var(--clr-surface) 98%, transparent);
  }

  .nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    block-size: var(--nav-h);
    padding-inline: var(--container-pad);
    max-inline-size: var(--container-max);
    margin-inline: auto;
  }

  .nav__logo { display: flex; align-items: center; }
  .nav__logo img { block-size: 36px; inline-size: auto; }

  .nav__burger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    min-block-size: 44px;
    min-inline-size: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
  }

  .nav__burger:hover { background: var(--clr-surface-alt); }

  .nav__burger span {
    display: block;
    inline-size: 22px;
    block-size: 2px;
    background: var(--clr-primary);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
    transform-origin: center;
  }

  .nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__burger.is-open span:nth-child(2) { opacity: 0; inline-size: 0; }
  .nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav__panel {
    position: fixed;
    inset-block-start: var(--nav-h);
    inset-inline-end: 0;
    inline-size: min(320px, 90vw);
    block-size: calc(100vh - var(--nav-h));
    background: var(--clr-surface);
    border-inline-start: 1px solid var(--clr-border);
    padding: var(--space-lg) var(--space-md);
    transform: translateX(110%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
  }

  .nav__panel.is-open { transform: translateX(0); }

  .nav__list { display: flex; flex-direction: column; gap: var(--space-xs); }

  .nav__link {
    display: block;
    padding: 0.75rem 1rem;
    font-weight: 500;
    font-size: 1rem;
    color: var(--clr-text-mid);
    border-radius: var(--radius-sm);
    transition: background 0.2s ease, color 0.2s ease;
    min-block-size: 44px;
    display: flex;
    align-items: center;
  }

  .nav__link:hover,
  .nav__link--active {
    background: var(--clr-accent-light);
    color: var(--clr-accent);
  }

  
  .hero {
    padding-block-start: calc(var(--nav-h) + var(--space-2xl));
    padding-block-end: var(--space-2xl);
    padding-inline: var(--container-pad);
    max-inline-size: var(--container-max);
    margin-inline: auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    position: relative;
    overflow: hidden;
  }

  .hero__bg-dots {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--dot-color) var(--dot-size), transparent var(--dot-size));
    background-size: var(--dot-gap) var(--dot-gap);
    pointer-events: none;
    z-index: 0;
  }

  .hero__content {
    position: relative;
    z-index: 1;
    max-inline-size: 680px;
  }

  .hero__eyebrow {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-block-end: var(--space-md);
  }

  .hero__title {
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    color: var(--clr-primary);
    margin-block-end: var(--space-md);
    letter-spacing: -0.02em;
  }

  .hero__sub {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: var(--clr-text-mid);
    max-inline-size: 520px;
    margin-block-end: var(--space-lg);
    line-height: 1.7;
  }

  .hero__actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
  }

  .hero__image-wrap {
    position: relative;
    z-index: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 16/9;
  }

  .hero__image {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
  }

  .hero__image-wrap:hover .hero__image { transform: scale(1.02); }

  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-md);
    font-family: 'Epilogue', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    min-block-size: 48px;
    text-align: center;
  }

  .btn--primary {
    background: var(--clr-accent);
    color: var(--clr-white);
    border-color: var(--clr-accent);
    box-shadow: var(--shadow-accent);
  }

  .btn--primary:hover {
    background: color-mix(in srgb, var(--clr-accent) 85%, black);
    border-color: color-mix(in srgb, var(--clr-accent) 85%, black);
    color: var(--clr-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(224,123,46,0.35);
  }

  .btn--ghost {
    background: transparent;
    color: var(--clr-primary);
    border-color: var(--clr-border);
  }

  .btn--ghost:hover {
    background: var(--clr-surface);
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
  }

  .btn--outline-light {
    background: transparent;
    color: var(--clr-white);
    border-color: rgba(255,255,255,0.5);
  }

  .btn--outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--clr-white);
    color: var(--clr-white);
    transform: translateY(-2px);
  }

  .btn--full { inline-size: 100%; }

  
  .intro {
    padding-block: var(--space-2xl);
    background: var(--clr-surface);
  }

  .intro__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    align-items: start;
  }

  .intro__q-text {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 700;
    color: var(--clr-primary);
    line-height: 1.3;
  }

  .intro__answer p { color: var(--clr-text-mid); font-size: 1.05rem; }

  
  .services {
    padding-block: var(--space-3xl);
  }

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

  .service-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
  }

  .service-card::before {
    content: '';
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    inline-size: 4px;
    block-size: 100%;
    background: var(--clr-border);
    transition: background 0.3s ease;
  }

  .service-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--clr-accent) 30%, var(--clr-border));
  }

  .service-card:hover::before { background: var(--clr-accent); }

  .service-card--featured {
    border-color: color-mix(in srgb, var(--clr-accent) 40%, var(--clr-border));
    box-shadow: var(--shadow-sm);
  }

  .service-card--featured::before { background: var(--clr-accent); }

  .service-card__icon {
    inline-size: 48px;
    block-size: 48px;
    background: var(--clr-accent-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-block-end: var(--space-md);
    font-size: 1.3rem;
    color: var(--clr-accent);
    transition: background 0.3s ease, transform 0.3s ease;
  }

  .service-card:hover .service-card__icon {
    background: var(--clr-accent);
    color: var(--clr-white);
    transform: scale(1.05);
  }

  .service-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--clr-primary);
    margin-block-end: var(--space-sm);
  }

  .service-card__short { color: var(--clr-text-mid); font-size: 0.95rem; margin-block-end: var(--space-sm); }

  .service-card__detail {
    display: none;
    margin-block-start: var(--space-sm);
    padding-block-start: var(--space-sm);
    border-block-start: 1px solid var(--clr-border);
    color: var(--clr-text-mid);
    font-size: 0.9rem;
  }

  .service-card__detail ul { list-style: disc; padding-inline-start: 1.2rem; margin-block-start: 0.5rem; }
  .service-card__detail ul li { margin-block-end: 0.3rem; }

  .service-card__detail.is-open { display: block; }

  .service-card__toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Epilogue', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--clr-accent);
    padding: 0;
    margin-block-start: var(--space-sm);
    transition: gap 0.2s ease;
  }

  .service-card__toggle:hover { gap: 0.6rem; }

  .service-card__toggle i {
    transition: transform 0.3s ease;
    font-size: 0.75rem;
  }

  .service-card__toggle[aria-expanded="true"] i { transform: rotate(180deg); }

  
  .how-it-works {
    padding-block: var(--space-3xl);
    background: var(--clr-surface);
  }

  .steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    align-items: center;
  }

  .step {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }

  .step:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }

  .step__number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--clr-border);
    line-height: 1;
    margin-block-end: var(--space-sm);
    transition: color 0.3s ease;
  }

  .step:hover .step__number { color: var(--clr-accent-light); }

  .step__icon {
    inline-size: 44px;
    block-size: 44px;
    background: var(--clr-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    margin-block-end: var(--space-md);
  }

  .step__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--clr-primary);
    margin-block-end: var(--space-sm);
  }

  .step__desc { color: var(--clr-text-mid); font-size: 0.95rem; }

  .step__connector {
    display: none;
    color: var(--clr-accent);
    font-size: 1.5rem;
    text-align: center;
  }

  
  .comparison {
    padding-block: var(--space-3xl);
  }

  .comparison__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-block-end: var(--space-lg);
  }

  .comparison__card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }

  .comparison__card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }

  .comparison__card--accent {
    border-color: color-mix(in srgb, var(--clr-accent) 35%, var(--clr-border));
  }

  .comparison__header {
    background: var(--clr-primary);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--clr-white);
  }

  .comparison__card--accent .comparison__header {
    background: var(--clr-accent);
  }

  .comparison__icon {
    inline-size: 40px;
    block-size: 40px;
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
  }

  .comparison__header h3 {
    color: var(--clr-white);
    font-size: 1.1rem;
    font-weight: 700;
  }

  .comparison__body { padding: var(--space-md) var(--space-lg); }

  .comparison__row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-sm);
    padding-block: 0.75rem;
    border-block-end: 1px solid var(--clr-surface-alt);
    font-size: 0.9rem;
  }

  .comparison__row:last-child { border-block-end: none; }

  .comparison__label { color: var(--clr-text-light); font-weight: 500; flex-shrink: 0; }
  .comparison__value { color: var(--clr-text); text-align: end; }

  .comparison__note {
    text-align: center;
    color: var(--clr-text-light);
    font-size: 0.9rem;
    font-style: italic;
  }

  
  .gallery {
    padding-block: var(--space-3xl);
    background: var(--clr-surface);
  }

  .gallery__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-sm);
  }

  .gallery__item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    display: block;
    aspect-ratio: 4/3;
  }

  .gallery__item--wide {
    grid-column: 1 / -1;
    aspect-ratio: 16/7;
  }

  .gallery__item img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .gallery__item:hover img { transform: scale(1.05); }

  .gallery__overlay {
    position: absolute;
    inset: 0;
    background: rgba(26,45,79,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .gallery__item:hover .gallery__overlay { opacity: 1; }

  
  .why-us {
    padding-block: var(--space-3xl);
    background: var(--clr-primary);
    position: relative;
    overflow: hidden;
  }

  .why-us__shapes { position: absolute; inset: 0; pointer-events: none; }

  .why-us__shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.06;
  }

  .why-us__shape--1 {
    inline-size: 500px;
    block-size: 500px;
    background: var(--clr-accent);
    inset-block-start: -200px;
    inset-inline-end: -150px;
  }

  .why-us__shape--2 {
    inline-size: 300px;
    block-size: 300px;
    background: var(--clr-white);
    inset-block-end: -100px;
    inset-inline-start: -80px;
  }

  .why-us__shape--3 {
    inline-size: 200px;
    block-size: 200px;
    background: var(--clr-accent);
    inset-block-start: 50%;
    inset-inline-start: 40%;
    opacity: 0.04;
  }

  .why-us__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    position: relative;
    z-index: 1;
  }

  .why-us__text p { color: rgba(255,255,255,0.8); margin-block-end: 1rem; }

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

  .why-feature {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    padding: var(--space-md);
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.08);
    transition: background 0.3s ease;
  }

  .why-feature:hover { background: rgba(255,255,255,0.09); }

  .why-feature__icon {
    inline-size: 40px;
    block-size: 40px;
    min-inline-size: 40px;
    background: var(--clr-accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
  }

  .why-feature h4 { color: var(--clr-white); font-size: 0.95rem; margin-block-end: 0.3rem; }
  .why-feature p { color: rgba(255,255,255,0.65); font-size: 0.88rem; margin: 0; }

  
  .cta-section {
    padding-block: var(--space-3xl);
  }

  .cta-box {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl) var(--space-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
  }

  .cta-box__dots {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--dot-color) var(--dot-size), transparent var(--dot-size));
    background-size: var(--dot-gap) var(--dot-gap);
    pointer-events: none;
  }

  .cta-box__title {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 800;
    color: var(--clr-primary);
    margin-block-end: var(--space-sm);
    position: relative;
    z-index: 1;
  }

  .cta-box__text {
    color: var(--clr-text-mid);
    max-inline-size: 540px;
    margin-inline: auto;
    margin-block-end: var(--space-lg);
    position: relative;
    z-index: 1;
  }

  .cta-box .btn { position: relative; z-index: 1; }

  
  .page-hero {
    padding-block-start: calc(var(--nav-h) + var(--space-2xl));
    padding-block-end: var(--space-2xl);
    background: var(--clr-surface);
    position: relative;
    overflow: hidden;
  }

  .page-hero--dark {
    background: var(--clr-primary);
  }

  .page-hero--dark .page-hero__title,
  .page-hero--dark .page-hero__sub { color: var(--clr-white); }

  .page-hero--dark .section-label { color: color-mix(in srgb, var(--clr-accent) 80%, white); }

  .page-hero__bg-dots {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--dot-color) var(--dot-size), transparent var(--dot-size));
    background-size: var(--dot-gap) var(--dot-gap);
    pointer-events: none;
  }

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

  .page-hero__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--clr-primary);
    margin-block: var(--space-sm) var(--space-md);
    letter-spacing: -0.02em;
  }

  .page-hero__sub {
    font-size: 1.1rem;
    color: var(--clr-text-mid);
    max-inline-size: 600px;
  }

  
  .about-story {
    padding-block: var(--space-3xl);
  }

  .about-story__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
  }

  .about-story__text h2 {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    margin-block-end: var(--space-md);
  }

  .about-story__text p { color: var(--clr-text-mid); }

  .about-story__image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
  }

  .about-story__image img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
  }

  
  .about-values {
    padding-block: var(--space-3xl);
    background: var(--clr-surface);
  }

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

  .value-item {
    padding: var(--space-lg);
    background: var(--clr-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--clr-border);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }

  .value-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }

  .value-item__num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--clr-accent-light);
    line-height: 1;
    margin-block-end: var(--space-sm);
  }

  .value-item h3 {
    font-size: 1.05rem;
    margin-block-end: var(--space-xs);
    color: var(--clr-primary);
  }

  .value-item p { color: var(--clr-text-mid); font-size: 0.9rem; margin: 0; }

  
  .about-area {
    padding-block: var(--space-3xl);
  }

  .about-area__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
  }

  .about-area__image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
  }

  .about-area__image img {
    inline-size: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
  }

  .about-area__text h2 {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    margin-block-end: var(--space-md);
  }

  .about-area__text p { color: var(--clr-text-mid); }

  
  .materials-intro {
    padding-block: var(--space-2xl);
    background: var(--clr-surface);
  }

  .materials-intro__text {
    max-inline-size: 760px;
    margin-inline: auto;
    text-align: center;
  }

  .materials-intro__text h2 {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    margin-block-end: var(--space-md);
  }

  .materials-intro__text p { color: var(--clr-text-mid); }

  .materials-list { padding-block: var(--space-3xl); }

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

  .material-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }

  .material-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }

  .material-card--alt { border-color: color-mix(in srgb, var(--clr-accent) 30%, var(--clr-border)); }

  .material-card__image {
    block-size: 220px;
    overflow: hidden;
  }

  .material-card__image img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .material-card:hover .material-card__image img { transform: scale(1.04); }

  .material-card__body { padding: var(--space-lg); }

  .material-card__tag {
    display: inline-block;
    background: var(--clr-accent-light);
    color: var(--clr-accent);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    margin-block-end: var(--space-sm);
  }

  .material-card__body h3 {
    font-size: 1.2rem;
    margin-block-end: var(--space-sm);
  }

  .material-card__body p { color: var(--clr-text-mid); font-size: 0.95rem; margin-block-end: var(--space-md); }

  .material-card__specs { border-block-start: 1px solid var(--clr-border); padding-block-start: var(--space-md); }

  .spec-row {
    display: flex;
    justify-content: space-between;
    gap: var(--space-sm);
    padding-block: 0.5rem;
    border-block-end: 1px solid var(--clr-surface-alt);
    font-size: 0.88rem;
  }

  .spec-row:last-child { border-block-end: none; }
  .spec-row span:first-child { color: var(--clr-text-light); }
  .spec-row span:last-child { color: var(--clr-text); font-weight: 500; text-align: end; }

  
  .sealants-section {
    padding-block: var(--space-3xl);
    background: var(--clr-surface);
  }

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

  .sealant-item {
    padding: var(--space-lg);
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }

  .sealant-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }

  .sealant-item__icon {
    inline-size: 44px;
    block-size: 44px;
    min-inline-size: 44px;
    background: var(--clr-accent-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-accent);
    font-size: 1.1rem;
    transition: background 0.3s ease, color 0.3s ease;
  }

  .sealant-item:hover .sealant-item__icon {
    background: var(--clr-accent);
    color: white;
  }

  .sealant-item h3 { font-size: 1rem; margin-block-end: 0.3rem; }
  .sealant-item p { color: var(--clr-text-mid); font-size: 0.9rem; margin: 0; }

  
  .system-section { padding-block: var(--space-3xl); }

  .system-layers {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    position: relative;
  }

  .system-layers::before {
    content: '';
    position: absolute;
    inset-inline-start: 28px;
    inset-block: 0;
    inline-size: 2px;
    background: var(--clr-border);
    z-index: 0;
  }

  .layer-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    padding-block: var(--space-md);
    position: relative;
    z-index: 1;
  }

  .layer-item__num {
    inline-size: 56px;
    block-size: 56px;
    min-inline-size: 56px;
    background: var(--clr-surface);
    border: 2px solid var(--clr-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--clr-accent);
    box-shadow: var(--shadow-xs);
  }

  .layer-item__content h4 { font-size: 1rem; margin-block-end: 0.3rem; color: var(--clr-primary); }
  .layer-item__content p { color: var(--clr-text-mid); font-size: 0.9rem; margin: 0; }

  
  .alp-intro { padding-block: var(--space-3xl); }

  .alp-intro__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
  }

  .alp-intro__image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
  }

  .alp-intro__image img {
    inline-size: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
  }

  .alp-intro__text h2 {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    margin-block-end: var(--space-md);
  }

  .alp-intro__text p { color: var(--clr-text-mid); }

  .alp-works { padding-block: var(--space-3xl); background: var(--clr-surface); }

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

  .alp-work-item {
    padding: var(--space-lg);
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }

  .alp-work-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }

  .alp-work-item__icon {
    inline-size: 44px;
    block-size: 44px;
    background: var(--clr-accent-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-accent);
    font-size: 1.1rem;
    margin-block-end: var(--space-md);
    transition: background 0.3s ease, color 0.3s ease;
  }

  .alp-work-item:hover .alp-work-item__icon {
    background: var(--clr-accent);
    color: white;
  }

  .alp-work-item h3 { font-size: 1rem; margin-block-end: 0.3rem; }
  .alp-work-item p { color: var(--clr-text-mid); font-size: 0.9rem; margin: 0; }

  .alp-safety { padding-block: var(--space-3xl); }

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

  .alp-safety__text h2 { font-size: clamp(1.4rem, 2.5vw, 2rem); margin-block-end: var(--space-md); }
  .alp-safety__text p { color: var(--clr-text-mid); }

  .alp-safety__list { display: flex; flex-direction: column; gap: var(--space-md); }

  .safety-point {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    padding: var(--space-md);
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    transition: box-shadow 0.3s ease;
  }

  .safety-point:hover { box-shadow: var(--shadow-sm); }

  .safety-point__icon {
    inline-size: 40px;
    block-size: 40px;
    min-inline-size: 40px;
    background: var(--clr-accent-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-accent);
    font-size: 1rem;
  }

  .safety-point h4 { font-size: 0.95rem; margin-block-end: 0.2rem; }
  .safety-point p { color: var(--clr-text-mid); font-size: 0.88rem; margin: 0; }

  
  .contact-section { padding-block: var(--space-3xl); }

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

  .contact-form-wrap h2,
  .contact-info-wrap h2 {
    font-size: 1.5rem;
    margin-block-end: var(--space-sm);
  }

  .contact-form-wrap > p,
  .contact-info-wrap > p { color: var(--clr-text-mid); margin-block-end: var(--space-lg); }

  .contact-form { display: flex; flex-direction: column; gap: var(--space-md); }

  .form-group { display: flex; flex-direction: column; gap: 0.4rem; }

  .form-group label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--clr-text);
  }

  .required { color: var(--clr-accent); }

  .form-group input,
  .form-group textarea {
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-md);
    font-family: 'Epilogue', sans-serif;
    font-size: 0.95rem;
    color: var(--clr-text);
    background: var(--clr-surface);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    min-block-size: 48px;
    inline-size: 100%;
  }

  .form-group input:focus,
  .form-group textarea:focus {
    outline: none;
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 3px rgba(224,123,46,0.12);
  }

  .form-group textarea { resize: vertical; min-block-size: 120px; }

  .form-group--checkbox { flex-direction: row; align-items: flex-start; }

  .checkbox-label {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    cursor: pointer;
    font-size: 0.88rem;
    color: var(--clr-text-mid);
    line-height: 1.5;
  }

  .checkbox-label input[type="checkbox"] {
    inline-size: 18px;
    block-size: 18px;
    min-inline-size: 18px;
    min-block-size: 18px;
    margin-block-start: 2px;
    cursor: pointer;
    accent-color: var(--clr-accent);
  }

  .checkbox-label a { color: var(--clr-accent); text-decoration: underline; }

  .form-error {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    color: #b91c1c;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
  }

  .contact-info-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-block-end: var(--space-lg);
  }

  .contact-info-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
  }

  .contact-info-item__icon {
    inline-size: 40px;
    block-size: 40px;
    min-inline-size: 40px;
    background: var(--clr-accent-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-accent);
    font-size: 0.95rem;
  }

  .contact-info-item__label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--clr-text-light);
    margin-block-end: 0.2rem;
  }

  .contact-info-item__value {
    font-size: 0.95rem;
    color: var(--clr-text);
    font-weight: 500;
  }

  .contact-info-item__value:hover { color: var(--clr-accent); }

  .contact-map {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--clr-border);
    box-shadow: var(--shadow-sm);
  }

  
  .thanks-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-block: var(--space-3xl);
    padding-block-start: calc(var(--nav-h) + var(--space-3xl));
    min-block-size: 70vh;
  }

  .thanks-wrap {
    text-align: center;
    max-inline-size: 520px;
    padding-inline: var(--container-pad);
  }

  .thanks-icon {
    font-size: 3.5rem;
    color: var(--clr-accent);
    margin-block-end: var(--space-md);
  }

  .thanks-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    margin-block-end: var(--space-md);
  }

  .thanks-text {
    color: var(--clr-text-mid);
    margin-block-end: var(--space-lg);
  }

  
  .legal-content { padding-block: var(--space-3xl); }

  .legal-body {
    max-inline-size: 800px;
    margin-inline: auto;
  }

  .legal-body h2 {
    font-size: 1.3rem;
    margin-block: var(--space-lg) var(--space-sm);
    color: var(--clr-primary);
  }

  .legal-body h3 {
    font-size: 1.05rem;
    margin-block: var(--space-md) var(--space-xs);
    color: var(--clr-primary);
  }

  .legal-body p { color: var(--clr-text-mid); font-size: 0.95rem; }

  .legal-body ul {
    list-style: disc;
    padding-inline-start: 1.5rem;
    margin-block: var(--space-sm) var(--space-md);
  }

  .legal-body ul li {
    color: var(--clr-text-mid);
    font-size: 0.95rem;
    margin-block-end: 0.4rem;
  }

  .legal-body a { color: var(--clr-accent); text-decoration: underline; }

  
  .footer {
    background: var(--clr-footer-bg);
    color: var(--clr-footer-text);
    margin-block-start: auto;
  }

  .footer__inner {
    max-inline-size: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
    padding-block: var(--space-2xl) var(--space-lg);
  }

  .footer__top {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin-block-end: var(--space-xl);
  }

  .footer__brand img { margin-block-end: var(--space-sm); }
  .footer__tagline { font-size: 0.88rem; color: var(--clr-footer-text); }

  .footer__cols {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .footer__col-title {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-footer-heading);
    margin-block-end: var(--space-md);
  }

  .footer__col ul { display: flex; flex-direction: column; gap: 0.5rem; }

  .footer__col ul li a,
  .footer__col ul li span {
    font-size: 0.88rem;
    color: var(--clr-footer-text);
    transition: color 0.2s ease;
  }

  .footer__col ul li a:hover { color: var(--clr-accent); }

  .footer__sep {
    block-size: 1px;
    background: rgba(255,255,255,0.08);
    margin-block-end: var(--space-lg);
  }

  .footer__bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: flex-start;
  }

  .footer__copy { font-size: 0.82rem; color: var(--clr-footer-text); }

  .footer__legal {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
  }

  .footer__legal a {
    font-size: 0.82rem;
    color: var(--clr-footer-text);
    transition: color 0.2s ease;
  }

  .footer__legal a:hover { color: var(--clr-accent); }

  
  .cookie-banner {
    position: fixed;
    inset-block-end: 0;
    inset-inline: 0;
    z-index: 9999;
    background: var(--clr-footer-bg);
    border-block-start: 1px solid rgba(255,255,255,0.1);
    padding: var(--space-md) var(--container-pad);
    box-shadow: 0 -4px 30px rgba(0,0,0,0.3);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .cookie-banner.is-visible { transform: translateY(0); }

  .cookie-banner__inner {
    max-inline-size: var(--container-max);
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
  }

  .cookie-banner__text {
    color: rgba(255,255,255,0.8);
    font-size: 0.88rem;
    line-height: 1.6;
  }

  .cookie-banner__text a { color: var(--clr-accent); text-decoration: underline; }

  .cookie-banner__actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
  }

  .cookie-btn {
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-family: 'Epilogue', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: all 0.2s ease;
    min-block-size: 40px;
  }

  .cookie-btn--accept {
    background: var(--clr-accent);
    color: white;
    border-color: var(--clr-accent);
  }

  .cookie-btn--accept:hover {
    background: color-mix(in srgb, var(--clr-accent) 85%, black);
  }

  .cookie-btn--reject {
    background: transparent;
    color: rgba(255,255,255,0.7);
    border-color: rgba(255,255,255,0.2);
  }

  .cookie-btn--reject:hover {
    border-color: rgba(255,255,255,0.5);
    color: white;
  }

  .cookie-btn--customize {
    background: transparent;
    color: rgba(255,255,255,0.6);
    border-color: transparent;
    text-decoration: underline;
  }

  .cookie-btn--customize:hover { color: white; }

  
  .cookie-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    background: rgba(0,0,0,0.6);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .cookie-modal.is-open {
    opacity: 1;
    pointer-events: all;
  }

  .cookie-modal__box {
    background: var(--clr-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    max-inline-size: 520px;
    inline-size: 100%;
    max-block-size: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
  }

  .cookie-modal__title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--clr-primary);
    margin-block-end: var(--space-md);
  }

  .cookie-category {
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-block-end: var(--space-sm);
  }

  .cookie-category__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-block-end: 0.4rem;
  }

  .cookie-category__name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--clr-primary);
  }

  .cookie-category__desc {
    font-size: 0.85rem;
    color: var(--clr-text-mid);
  }

  .cookie-toggle {
    position: relative;
    inline-size: 44px;
    block-size: 24px;
    min-inline-size: 44px;
  }

  .cookie-toggle input {
    opacity: 0;
    inline-size: 0;
    block-size: 0;
    position: absolute;
  }

  .cookie-toggle__slider {
    position: absolute;
    inset: 0;
    background: var(--clr-border);
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.2s ease;
  }

  .cookie-toggle__slider::before {
    content: '';
    position: absolute;
    inline-size: 18px;
    block-size: 18px;
    inset-block-start: 3px;
    inset-inline-start: 3px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s ease;
    box-shadow: var(--shadow-xs);
  }

  .cookie-toggle input:checked + .cookie-toggle__slider { background: var(--clr-accent); }
  .cookie-toggle input:checked + .cookie-toggle__slider::before { transform: translateX(20px); }
  .cookie-toggle input:disabled + .cookie-toggle__slider { opacity: 0.5; cursor: not-allowed; }

  .cookie-modal__actions {
    display: flex;
    gap: var(--space-sm);
    margin-block-start: var(--space-md);
    flex-wrap: wrap;
  }
}

@layer utilities {
  
  @media (min-width: 640px) {
    .services__grid {
      grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

    .cookie-banner__inner {
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
    }

    .cookie-banner__text { flex: 1; }
  }

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

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

    .steps {
      grid-template-columns: 1fr auto 1fr auto 1fr;
    }

    .step__connector { display: flex; align-items: center; padding-block-start: 2rem; }

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

    .gallery__grid {
      grid-template-columns: repeat(4, 1fr);
    }

    .gallery__item--wide {
      grid-column: 1 / -1;
    }

    .gallery__item {
      aspect-ratio: 1;
    }

    .why-us__features {
      grid-template-columns: 1fr 1fr;
    }

    .about-story__grid {
      grid-template-columns: 1fr 1fr;
    }

    .about-area__grid {
      grid-template-columns: 1fr 1fr;
    }

    .alp-intro__grid {
      grid-template-columns: 1fr 1fr;
    }

    .alp-safety__grid {
      grid-template-columns: 1fr 1fr;
    }

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

    .material-cards {
      grid-template-columns: 1fr 1fr;
    }

    .footer__top {
      grid-template-columns: 220px 1fr;
    }

    .footer__bottom {
      flex-direction: row;
      justify-content: space-between;
      align-items: center;
    }
  }

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

    .why-us__grid {
      grid-template-columns: 1fr 1fr;
      align-items: start;
    }

    .values-grid {
      grid-template-columns: repeat(4, 1fr);
    }

    .sealants-grid {
      grid-template-columns: repeat(4, 1fr);
    }

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

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