:root {
    --av-blue: #071b36;
    --av-blue-2: #0b2c55;
    --av-blue-3: #15548f;
    --av-white: #ffffff;
    --av-silver: #eef2f6;
    --av-gray: #64748b;
    --av-dark: #101828;
    --av-line: #d8e0ea;
    --av-soft: #f8fafc;
    --av-radius: 8px;
    --av-shadow: 0 18px 45px rgba(7, 27, 54, 0.14);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--av-dark);
    background: var(--av-white);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    line-height: 1.6;
}

a {
    color: var(--av-blue-3);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

.container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.skip-link,
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

.skip-link:focus {
    z-index: 1000;
    width: auto;
    height: auto;
    clip: auto;
    padding: 10px 14px;
    color: var(--av-white);
    background: var(--av-blue);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--av-line);
    backdrop-filter: blur(12px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 78px;
    gap: 24px;
}

.brand,
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--av-blue);
    font-weight: 800;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    color: var(--av-white);
    background: var(--av-blue);
    border-radius: 8px;
    font-size: 0.9rem;
}

.brand-name,
.brand-tagline {
    display: block;
}

.brand-tagline {
    color: var(--av-gray);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
}

.menu,
.footer-links {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.menu a {
    color: var(--av-dark);
    font-size: 0.94rem;
    font-weight: 700;
}

.menu a:hover {
    color: var(--av-blue-3);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--av-white);
    border: 1px solid var(--av-line);
    border-radius: 8px;
}

.nav-toggle span:not(.screen-reader-text) {
    display: block;
    width: 20px;
    height: 2px;
    margin: 5px auto;
    background: var(--av-blue);
}

.hero {
    color: var(--av-white);
    background:
        linear-gradient(120deg, rgba(7, 27, 54, 0.97), rgba(10, 44, 85, 0.9)),
        var(--av-blue);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
    align-items: center;
    min-height: 650px;
    gap: 56px;
    padding: 70px 0;
}

.eyebrow {
    margin: 0 0 12px;
    color: #6f859d;
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.hero .eyebrow,
.page-hero .eyebrow,
.cta-band .eyebrow {
    color: #cbd5e1;
}

h1,
h2,
h3 {
    margin: 0 0 18px;
    line-height: 1.13;
}

h1 {
    max-width: 850px;
    font-size: clamp(2.5rem, 6vw, 4.9rem);
}

h2 {
    font-size: clamp(1.8rem, 3vw, 2.55rem);
}

h3 {
    font-size: 1.12rem;
}

.lead {
    max-width: 760px;
    margin: 0 0 28px;
    color: #dce6f2;
    font-size: 1.18rem;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button,
.av-form button,
.search-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 18px;
    color: var(--av-white);
    background: var(--av-blue-3);
    border: 1px solid var(--av-blue-3);
    border-radius: 8px;
    font-weight: 800;
    cursor: pointer;
}

.button:hover,
.av-form button:hover,
.search-submit:hover {
    color: var(--av-white);
    background: var(--av-blue-2);
    text-decoration: none;
}

.button.secondary {
    color: var(--av-blue);
    background: var(--av-white);
    border-color: var(--av-white);
}

.button.ghost {
    color: var(--av-white);
    background: transparent;
    border-color: rgba(255, 255, 255, 0.66);
}

.av-photo {
    position: relative;
    display: block;
    min-height: 360px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: var(--av-radius);
    box-shadow: var(--av-shadow);
    margin: 0;
    background: var(--av-blue);
}

.av-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7, 27, 54, 0.03), rgba(7, 27, 54, 0.22));
    pointer-events: none;
}

.av-photo img {
    display: block;
    width: 100%;
    height: 100%;
    min-height: inherit;
    object-fit: cover;
}

.hero-image {
    min-height: 460px;
}

.trust-section {
    background: var(--av-white);
    border-bottom: 1px solid var(--av-line);
}

.trust-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: stretch;
    gap: 24px;
    padding: 26px 0;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.trust-grid span {
    display: grid;
    place-items: center;
    min-height: 92px;
    padding: 18px 16px;
    color: var(--av-blue);
    background: var(--av-soft);
    border: 1px solid var(--av-line);
    border-radius: var(--av-radius);
    font-weight: 800;
    text-align: center;
}

.trust-photo {
    min-height: 204px;
    box-shadow: 0 12px 28px rgba(7, 27, 54, 0.08);
}

.section {
    padding: 82px 0;
}

.section.silver {
    background: var(--av-silver);
}

.section-header {
    max-width: 740px;
    margin-bottom: 34px;
}

.section-header p,
.page-intro p {
    color: var(--av-gray);
    font-size: 1.05rem;
}

.grid-5,
.grid-4,
.grid-3,
.grid-2 {
    display: grid;
    gap: 22px;
}

.grid-5 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.case-submission-layout {
    max-width: 960px;
}

.service-card,
.info-card,
.av-panel,
.post-card,
.status-result {
    padding: 26px;
    background: var(--av-white);
    border: 1px solid var(--av-line);
    border-radius: var(--av-radius);
    box-shadow: 0 12px 28px rgba(7, 27, 54, 0.06);
}

.service-card h3,
.info-card h3 {
    color: var(--av-blue);
}

.service-card p,
.info-card p,
.post-card p {
    color: var(--av-gray);
    margin-bottom: 0;
}

.process-layout,
.credibility-layout,
.service-row {
    display: grid;
    grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
    align-items: center;
    gap: 46px;
}

.credibility-layout,
.service-row:nth-child(odd) {
    grid-template-columns: minmax(0, 1.18fr) minmax(280px, 0.82fr);
}

.process-list {
    display: grid;
    gap: 14px;
    padding: 0;
    margin: 0;
    list-style: none;
    counter-reset: process;
}

.process-list li {
    position: relative;
    padding: 18px 18px 18px 58px;
    background: var(--av-white);
    border: 1px solid var(--av-line);
    border-radius: var(--av-radius);
}

.process-list li::before {
    counter-increment: process;
    content: counter(process);
    position: absolute;
    left: 18px;
    top: 18px;
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    color: var(--av-white);
    background: var(--av-blue-3);
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 800;
}

.process-list strong,
.process-list span {
    display: block;
}

.process-list span {
    color: var(--av-gray);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.case-grid span,
.check-list li {
    padding: 16px;
    color: var(--av-blue);
    background: var(--av-white);
    border: 1px solid var(--av-line);
    border-radius: var(--av-radius);
    font-weight: 800;
}

.check-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
    padding: 0;
    margin: 28px 0 0;
    list-style: none;
}

.check-list.refined {
    grid-template-columns: 1fr;
}

.cta-band {
    color: var(--av-white);
    background: var(--av-blue);
}

.cta-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    align-items: center;
    gap: 44px;
}

.cta-grid p {
    color: #dce6f2;
    margin: 0 0 22px;
}

.cta-photo {
    min-height: 260px;
    border-color: rgba(255, 255, 255, 0.24);
}

.page-hero {
    padding: 86px 0 58px;
    color: var(--av-white);
    background: linear-gradient(120deg, var(--av-blue), var(--av-blue-2));
}

.page-hero p {
    max-width: 780px;
    color: #dce6f2;
    font-size: 1.12rem;
}

.service-detail {
    display: grid;
    gap: 52px;
}

.service-row {
    padding-bottom: 52px;
    border-bottom: 1px solid var(--av-line);
}

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

.content-list {
    padding-left: 20px;
}

.content-list li {
    margin-bottom: 10px;
}

.site-footer {
    padding: 54px 0 22px;
    color: #dce6f2;
    background: #06172d;
}

.site-footer a {
    color: var(--av-white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
}

.footer-brand {
    color: var(--av-white);
    font-size: 1.25rem;
}

.footer-links {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
}

.footer-bottom {
    margin-top: 34px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    color: #b8c4d2;
    font-size: 0.9rem;
}

.av-form {
    display: grid;
    gap: 16px;
}

.av-field {
    display: grid;
    gap: 7px;
}

.av-field label {
    color: var(--av-blue);
    font-weight: 800;
}

.av-form input,
.av-form select,
.av-form textarea,
.search-field {
    width: 100%;
    padding: 12px 13px;
    color: var(--av-dark);
    background: var(--av-white);
    border: 1px solid var(--av-line);
    border-radius: 8px;
    font: inherit;
}

.av-form textarea {
    min-height: 132px;
    resize: vertical;
}

.av-alert {
    padding: 14px 16px;
    border-radius: 8px;
    font-weight: 700;
}

.av-alert.success {
    color: #064e3b;
    background: #d1fae5;
}

.av-alert.error {
    color: #7f1d1d;
    background: #fee2e2;
}

.timeline {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.timeline-step {
    display: grid;
    grid-template-columns: 18px 1fr;
    gap: 10px;
    color: var(--av-gray);
}

.timeline-dot {
    width: 14px;
    height: 14px;
    margin-top: 5px;
    border: 2px solid var(--av-line);
    border-radius: 50%;
}

.timeline-step.is-active,
.timeline-step.is-complete {
    color: var(--av-blue);
    font-weight: 800;
}

.timeline-step.is-active .timeline-dot,
.timeline-step.is-complete .timeline-dot {
    background: var(--av-blue-3);
    border-color: var(--av-blue-3);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
}

@media (max-width: 1100px) {
    .grid-5 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 980px) {
    .hero-grid,
    .grid-4,
    .grid-3,
    .grid-2,
    .check-list,
    .footer-grid,
    .process-layout,
    .credibility-layout,
    .service-row {
        grid-template-columns: 1fr 1fr;
    }

    .hero-grid {
        min-height: auto;
    }

    .trust-layout,
    .trust-grid,
    .case-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .container {
        width: min(100% - 28px, 1120px);
    }

    .nav-toggle {
        display: block;
    }

    .primary-nav {
        position: absolute;
        top: 78px;
        left: 0;
        display: none;
        width: 100%;
        padding: 16px;
        background: var(--av-white);
        border-bottom: 1px solid var(--av-line);
    }

    .primary-nav.is-open {
        display: block;
    }

    .menu {
        align-items: stretch;
        flex-direction: column;
        gap: 0;
    }

    .menu a {
        display: block;
        padding: 12px 0;
    }

    .hero-grid,
    .grid-5,
    .grid-4,
    .grid-3,
    .grid-2,
    .check-list,
    .footer-grid,
    .process-layout,
    .credibility-layout,
    .service-row,
    .trust-layout,
    .trust-grid,
    .case-grid {
        grid-template-columns: 1fr;
    }

    .hero-grid {
        gap: 28px;
        padding: 52px 0;
    }

    .section {
        padding: 58px 0;
    }

    .cta-grid {
        align-items: flex-start;
        grid-template-columns: 1fr;
    }

    .av-photo,
    .hero-image {
        min-height: 280px;
    }
}