/* =========================================================
   Axira – Mobile-first stylesheet
   ========================================================= */


/* ---------------------------------------------------------
   1. Design tokens
   --------------------------------------------------------- */

:root {
    --axira-blue: #1e4ae8;
    --axira-blue-dark: #183cc0;
    --axira-violet: #7c3aed;
    --axira-teal: #06b6d4;
    --axira-navy: #0b1530;

    --ink: #0f172a;
    --muted: #64748b;
    --surface: #f8fafc;
    --border: #e2e8f0;
    --white: #ffffff;

    --container-width: 1200px;
    --gutter: 20px;
    --section-spacing: 72px;

    --radius-small: 10px;
    --radius: 14px;
    --radius-large: 20px;

    --shadow-low:
        0 2px 8px rgba(2, 6, 23, 0.06);

    --shadow-medium:
        0 8px 30px rgba(2, 6, 23, 0.1);

    --transition: 180ms ease;
}


/* ---------------------------------------------------------
   2. Reset and base
   --------------------------------------------------------- */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    min-width: 320px;
    margin: 0;

    color: var(--ink);
    background: var(--white);

    font-family:
        "Poppins",
        system-ui,
        -apple-system,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;

    font-size: 1rem;
    line-height: 1.6;

    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.menu-open {
    overflow: hidden;
}

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

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

button,
input,
textarea,
select {
    font: inherit;
}

button {
    border: 0;
}

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

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    color: var(--ink);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    margin-bottom: 24px;

    font-size: clamp(2.15rem, 9vw, 3.5rem);
    letter-spacing: -0.04em;
}

h2 {
    margin-bottom: 20px;

    font-size: clamp(1.8rem, 7vw, 2.5rem);
    letter-spacing: -0.03em;
}

h3 {
    margin-bottom: 12px;

    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

p {
    margin-bottom: 20px;
}

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

:focus-visible {
    outline: 3px solid var(--axira-teal);
    outline-offset: 4px;
}


/* ---------------------------------------------------------
   3. Shared layout
   --------------------------------------------------------- */

.container {
    width: min(
        calc(100% - (var(--gutter) * 2)),
        var(--container-width)
    );

    margin-inline: auto;
}

.section {
    padding-block: var(--section-spacing);
}

.section-surface {
    background: var(--surface);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 40px;
}

.section-heading > p:not(.eyebrow) {
    max-width: 720px;
    margin-bottom: 0;

    color: var(--muted);
}

.eyebrow {
    margin-bottom: 14px;

    color: var(--axira-blue);

    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}


/* ---------------------------------------------------------
   4. Accessibility
   --------------------------------------------------------- */

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 9999;

    padding: 12px 18px;

    color: var(--white);
    background: var(--axira-blue);

    border-radius: var(--radius-small);

    font-weight: 600;

    transform: translateY(-150%);
    transition: transform var(--transition);
}

.skip-link:focus {
    transform: translateY(0);
}


/* ---------------------------------------------------------
   5. Buttons and links
   --------------------------------------------------------- */

.btn {
    display: inline-flex;
    width: 100%;
    min-height: 48px;

    align-items: center;
    justify-content: center;

    padding: 12px 20px;

    color: var(--white);
    background: var(--axira-blue);

    border: 1px solid transparent;
    border-radius: var(--radius-small);

    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.3;
    text-align: center;

    transition:
        background-color var(--transition),
        color var(--transition),
        transform var(--transition),
        box-shadow var(--transition);
}

.btn:hover {
    background: var(--axira-blue-dark);
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.text-link {
    display: inline-flex;
    min-height: 44px;

    align-items: center;
    justify-content: center;
    gap: 10px;

    color: var(--axira-blue);

    font-size: 0.95rem;
    font-weight: 500;

    border-bottom: 2px solid transparent;

    transition:
        color var(--transition),
        border-color var(--transition);
}

.text-link:hover {
    color: var(--axira-blue-dark);
    border-color: var(--axira-teal);
}


/* ---------------------------------------------------------
   6. Header and navigation
   --------------------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;

    color: var(--white);
    background: var(--axira-navy);

    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.08),
        0 4px 18px rgba(2, 6, 23, 0.16);
}

.site-header__inner {
    position: relative;

    display: flex;
    width: min(
        calc(100% - (var(--gutter) * 2)),
        var(--container-width)
    );

    min-height: 78px;
    margin-inline: auto;

    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.site-logo {
    position: relative;
    z-index: 2;

    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.site-logo img {
    width: auto;
    height: 64px;
    object-fit: contain;
}

.menu-toggle {
    position: relative;
    z-index: 2;

    display: inline-flex;
    width: 48px;
    height: 48px;

    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;

    color: var(--white);
    background: transparent;

    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-small);

    cursor: pointer;
}

.menu-toggle__line {
    display: block;
    width: 23px;
    height: 2px;

    background: currentColor;
    border-radius: 999px;

    transition:
        transform var(--transition),
        opacity var(--transition);
}

.menu-toggle.is-open .menu-toggle__line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.is-open .menu-toggle__line:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-open .menu-toggle__line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.primary-navigation {
    position: fixed;
    top: 78px;
    right: 0;
    bottom: 0;
    left: 0;

    padding:
        24px
        var(--gutter)
        40px;

    overflow-y: auto;

    color: var(--white);
    background: var(--axira-navy);

    visibility: hidden;
    opacity: 0;
    transform: translateY(-12px);

    transition:
        visibility var(--transition),
        opacity var(--transition),
        transform var(--transition);
}

.primary-navigation.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.primary-navigation__list {
    display: flex;
    flex-direction: column;
}

.primary-navigation__list a {
    position: relative;

    display: flex;
    min-height: 56px;

    align-items: center;

    padding: 10px 4px;

    color: var(--white);

    border-bottom: 1px solid rgba(255, 255, 255, 0.12);

    font-size: 1.05rem;
    font-weight: 500;
}

.primary-navigation__list a:hover,
.primary-navigation__list a.is-active {
    color: var(--axira-teal);
}

.primary-navigation__list a.is-active::after {
    content: "";

    position: absolute;
    bottom: -1px;
    left: 4px;

    width: 36px;
    height: 2px;

    background: var(--axira-teal);
}

.primary-navigation__list .navigation-contact {
    min-height: 48px;
    margin-top: 20px;
    padding: 10px 18px;

    justify-content: center;

    color: var(--white);

    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: var(--radius-small);
}


/* ---------------------------------------------------------
   7. Hero
   --------------------------------------------------------- */

.hero {
    overflow: hidden;

    padding-block: 56px 48px;

    background: var(--white);
}

.hero__inner {
    display: grid;
    gap: 42px;
}

.hero__content {
    align-self: center;
}

.hero__description {
    max-width: 620px;
    margin-bottom: 30px;

    color: var(--muted);

    font-size: 1.05rem;
    line-height: 1.75;
}

.hero__actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
}

.hero__media {
    position: relative;
    isolation: isolate;
}

.hero__image-accent {
    position: absolute;
    right: -36px;
    bottom: -30px;
    z-index: -1;

    width: 170px;
    height: 170px;

    background:
        radial-gradient(
            circle at 70% 70%,
            rgba(6, 182, 212, 0.85),
            rgba(124, 58, 237, 0.55) 45%,
            rgba(30, 74, 232, 0) 72%
        );

    filter: blur(14px);
}

.hero__image {
    width: 100%;
    aspect-ratio: 4 / 3;

    object-fit: cover;
    object-position: center;

    border-radius: var(--radius-large);
    box-shadow: var(--shadow-medium);
}


/* ---------------------------------------------------------
   8. Trust bar
   --------------------------------------------------------- */

.trust-bar {
    background: var(--white);

    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.trust-bar__list {
    display: grid;
}

.trust-bar__list li {
    padding: 18px 8px;

    color: var(--ink);

    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;

    border-bottom: 1px solid var(--border);
}

.trust-bar__list li:last-child {
    border-bottom: 0;
}


/* ---------------------------------------------------------
   9. Problems
   --------------------------------------------------------- */

.problems__grid {
    display: grid;
}

.problem {
    padding-block: 28px;
    border-bottom: 1px solid var(--border);
}

.problem:first-child {
    padding-top: 0;
}

.problem:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.problem p {
    color: var(--muted);
}


/* ---------------------------------------------------------
   10. Services
   --------------------------------------------------------- */

.services__layout {
    display: grid;
    gap: 48px;
}

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

.services__introduction p:not(.eyebrow) {
    color: var(--muted);
}

.services__image {
    width: 100%;
    aspect-ratio: 4 / 3;

    object-fit: cover;

    border-radius: var(--radius);
}

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

.service {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 18px;

    align-items: start;

    padding: 28px 12px;

    border-bottom: 1px solid var(--border);

    scroll-margin-top: 110px;
}

.service--highlighted {
    background: rgba(30, 74, 232, 0.04);
}

.service__content p {
    margin-bottom: 0;

    color: var(--muted);

    font-size: 0.92rem;
}

.service__link {
    display: inline-flex;
    width: 44px;
    height: 44px;

    align-items: center;
    justify-content: center;

    color: var(--axira-blue);

    font-size: 1.5rem;
}


/* ---------------------------------------------------------
   11. Engagement and prices
   --------------------------------------------------------- */

.engagement {
    background: var(--surface);

    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.engagement__layout {
    display: grid;
    gap: 48px;
}

.engagement__introduction > p:not(.eyebrow) {
    color: var(--muted);
}

.experience {
    margin-top: 36px;
    padding-top: 28px;

    border-top: 1px solid var(--border);
}

.experience p {
    color: var(--muted);
}

.experience__technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;

    margin-top: 24px;
}

.experience__technologies li {
    padding: 6px 10px;

    color: var(--axira-blue);
    background: var(--white);

    border: 1px solid var(--border);
    border-radius: 999px;

    font-size: 0.75rem;
    font-weight: 500;
}

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

.engagement-option {
    display: grid;
    gap: 22px;

    padding-block: 30px;

    border-bottom: 1px solid var(--border);
}

.engagement-option__content p {
    color: var(--muted);
}

.engagement-option__note {
    margin-bottom: 0;

    font-size: 0.85rem;
}

.engagement-option__action {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.engagement-option__price {
    margin-bottom: 8px;

    color: var(--ink);

    font-size: 1.35rem;
    font-weight: 600;
}

.engagement-option__action .text-link {
    justify-content: flex-start;
}

.engagement__conditions {
    padding-top: 24px;
}

.engagement__conditions p {
    color: var(--muted);

    font-size: 0.8rem;
}


/* ---------------------------------------------------------
   12. About
   --------------------------------------------------------- */

.about__layout {
    display: grid;
    gap: 40px;
}

.about__image {
    width: 100%;
    aspect-ratio: 1 / 1;

    object-fit: cover;

    border-radius: var(--radius-large);
    box-shadow: var(--shadow-low);
}

.about__content {
    align-self: center;
}

.about__introduction {
    color: var(--ink);
    font-weight: 600;
}

.about__content p:not(.eyebrow):not(.about__introduction) {
    color: var(--muted);
}


/* ---------------------------------------------------------
   13. Contact
   --------------------------------------------------------- */

.contact {
    background: var(--surface);

    border-top: 1px solid var(--border);
}

.contact__layout {
    display: grid;
    gap: 32px;
}

.contact__content {
    max-width: 720px;
}

.contact__content > p:not(.eyebrow) {
    color: var(--muted);
}

.contact__action {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
}

.contact__email {
    margin: 0;
    text-align: center;
}

.contact__email a {
    color: var(--axira-blue);
    font-weight: 500;
}


/* ---------------------------------------------------------
   14. Footer
   --------------------------------------------------------- */

.site-footer {
    padding-top: 56px;

    color: rgba(255, 255, 255, 0.75);
    background: var(--axira-navy);

    border-top: 2px solid var(--axira-teal);
}

.site-footer__grid {
    display: grid;
    gap: 42px;

    padding-bottom: 48px;
}

.site-footer__brand {
    max-width: 360px;
}

.site-footer__logo {
    display: inline-flex;
    margin-bottom: 22px;
}

.site-footer__logo img {
    width: auto;
    height: 74px;
    object-fit: contain;
}

.site-footer__brand p {
    font-size: 0.92rem;
}

.site-footer h2 {
    margin-bottom: 18px;

    color: var(--white);

    font-size: 1rem;
}

.site-footer__column ul {
    display: grid;
    gap: 12px;
}

.site-footer__column a:hover {
    color: var(--axira-teal);
}

.site-footer address {
    font-style: normal;
}

.site-footer__bottom {
    display: flex;
    flex-direction: column;
    gap: 8px;

    padding-block: 22px;

    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer__bottom p {
    margin: 0;

    color: rgba(255, 255, 255, 0.58);

    font-size: 0.8rem;
}


/* ---------------------------------------------------------
   15. Small tablet – 576 px
   --------------------------------------------------------- */

@media (min-width: 576px) {
    :root {
        --gutter: 28px;
    }

    .btn {
        width: auto;
    }

    .hero__actions {
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
        gap: 18px;
    }

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

    .trust-bar__list li {
        display: flex;
        min-height: 74px;

        align-items: center;
        justify-content: center;

        border-right: 1px solid var(--border);
        border-bottom: 0;
    }

    .trust-bar__list li:last-child {
        border-right: 0;
    }

    .contact__action {
        align-items: flex-start;
    }

    .contact__email {
        text-align: left;
    }

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

    .site-footer__brand {
        grid-column: 1 / -1;
    }
}


/* ---------------------------------------------------------
   16. Tablet – 768 px
   --------------------------------------------------------- */

@media (min-width: 768px) {
    :root {
        --section-spacing: 88px;
    }

    .hero {
        padding-block: 76px 64px;
    }

    .hero__inner {
        grid-template-columns:
            minmax(0, 1fr)
            minmax(0, 1fr);

        gap: 54px;
        align-items: center;
    }

    .hero__image {
        min-height: 460px;
        aspect-ratio: auto;
    }

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

    .problem {
        padding: 8px 30px;

        border-right: 1px solid var(--border);
        border-bottom: 0;
    }

    .problem:first-child {
        padding-top: 8px;
        padding-left: 0;
    }

    .problem:last-child {
        padding-right: 0;
        padding-bottom: 8px;

        border-right: 0;
    }

    .service {
        padding: 32px 24px;
    }

    .engagement-option {
        grid-template-columns:
            minmax(0, 1fr)
            minmax(150px, auto);

        gap: 36px;
        align-items: center;
    }

    .engagement-option__action {
        align-items: flex-end;
        text-align: right;
    }

    .about__layout {
        grid-template-columns:
            minmax(0, 0.9fr)
            minmax(0, 1.1fr);

        gap: 64px;
        align-items: center;
    }

    .contact__layout {
        grid-template-columns:
            minmax(0, 1fr)
            auto;

        gap: 64px;
        align-items: center;
    }

    .site-footer__grid {
        grid-template-columns:
            minmax(240px, 1.4fr)
            repeat(3, 1fr);
    }

    .site-footer__brand {
        grid-column: auto;
    }

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


/* ---------------------------------------------------------
   17. Desktop – 992 px
   --------------------------------------------------------- */

@media (min-width: 992px) {
    :root {
        --gutter: 32px;
    }

    body.menu-open {
        overflow: auto;
    }

    .site-header__inner {
        min-height: 88px;
    }

    .site-logo img {
        height: 72px;
    }

    .menu-toggle {
        display: none;
    }

    .primary-navigation {
        position: static;

        padding: 0;
        overflow: visible;

        color: var(--white);
        background: transparent;

        visibility: visible;
        opacity: 1;
        transform: none;
    }

    .primary-navigation__list {
        flex-direction: row;
        align-items: center;
        gap: 6px;
    }

    .primary-navigation__list a {
        min-height: 46px;
        padding: 10px 13px;

        border-bottom: 0;

        font-size: 0.9rem;
    }

    .primary-navigation__list a.is-active::after {
        right: 13px;
        bottom: 2px;
        left: 13px;

        width: auto;
    }

    .primary-navigation__list .navigation-contact {
        min-height: 44px;
        margin-top: 0;
        margin-left: 8px;
        padding: 9px 17px;
    }

    .services__layout {
        grid-template-columns:
            minmax(280px, 0.8fr)
            minmax(0, 1.2fr);

        gap: 70px;
        align-items: stretch;
    }

    .services__introduction {
        justify-content: space-between;
    }

    .engagement__layout {
        grid-template-columns:
            minmax(280px, 0.75fr)
            minmax(0, 1.25fr);

        gap: 80px;
        align-items: start;
    }
}


/* ---------------------------------------------------------
   18. Large desktop – 1200 px
   --------------------------------------------------------- */

@media (min-width: 1200px) {
    h1 {
        font-size: 3.75rem;
    }

    .hero__inner {
        gap: 78px;
    }

    .hero__description {
        font-size: 1.1rem;
    }

    .primary-navigation__list {
        gap: 12px;
    }

    .primary-navigation__list a {
        padding-inline: 15px;
    }

    .primary-navigation__list a.is-active::after {
        right: 15px;
        left: 15px;
    }
}


/* ---------------------------------------------------------
   19. Reduced motion
   --------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}