:root {
    --bg: #f3f0e8;
    --bg-elevated: rgba(252, 250, 246, 0.88);
    --panel: #faf7f0;
    --panel-strong: #f6f1e8;
    --text: #11161c;
    --muted: #56616d;
    --line: rgba(17, 22, 28, 0.12);
    --line-strong: rgba(17, 22, 28, 0.18);
    --accent: #162231;
    --accent-soft: rgba(22, 34, 49, 0.08);
    --success: #23422d;
    --success-bg: rgba(35, 66, 45, 0.08);
    --error: #7a2a25;
    --error-bg: rgba(122, 42, 37, 0.08);
    --shadow: 0 24px 60px rgba(15, 22, 31, 0.08);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --container: 1120px;
    --header-height: 82px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top, rgba(255, 255, 255, 0.72), transparent 40%),
        linear-gradient(180deg, #f8f5ee 0%, var(--bg) 50%, #ece7de 100%);
    line-height: 1.55;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        linear-gradient(120deg, transparent 0%, rgba(17, 22, 28, 0.02) 100%),
        radial-gradient(circle at 12% 16%, rgba(22, 34, 49, 0.05), transparent 28%);
    pointer-events: none;
    z-index: -1;
}

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

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

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

.skip-link,
.visually-hidden {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

.skip-link:focus {
    inline-size: auto;
    block-size: auto;
    clip: auto;
    clip-path: none;
    inset-inline-start: 24px;
    inset-block-start: 24px;
    padding: 0.9rem 1.15rem;
    background: var(--accent);
    color: #fff;
    border-radius: 999px;
    z-index: 1000;
}

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

.section-padding {
    padding-block: clamp(4.8rem, 8vw, 7.8rem);
}

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

.site-header {
    position: fixed;
    inset-inline: 0;
    inset-block-start: 0;
    z-index: 100;
    border-bottom: 1px solid var(--line);
    background: rgba(243, 240, 232, 0.78);
    backdrop-filter: blur(16px);
}

.header-inner {
    min-block-size: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.brand img {
    border-radius: 10px;
    box-shadow: 0 10px 22px rgba(17, 22, 28, 0.08);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.site-nav {
    display: inline-flex;
    align-items: center;
    gap: 1.5rem;
}

.site-nav a,
.language-switch a {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.site-nav a:hover,
.language-switch a:hover,
.site-nav a:focus-visible,
.language-switch a:focus-visible {
    color: var(--text);
}

.language-switch {
    display: inline-flex;
    align-items: center;
    padding: 0.28rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.46);
}

.language-switch a {
    padding: 0.5rem 0.72rem;
    border-radius: 999px;
}

.language-switch a[aria-current="true"] {
    background: var(--accent);
    color: #fff;
}

main {
    padding-block-start: calc(var(--header-height) + 1rem);
}

.hero {
    padding-block-start: clamp(3rem, 7vw, 5rem);
}

.hero-grid,
.principal-grid,
.inquiry-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
}

.hero h1,
.principal-copy h2 {
    margin: 0;
    font-size: clamp(2.8rem, 5vw, 4.8rem);
    line-height: 1.03;
    letter-spacing: -0.04em;
    max-width: 11ch;
}

.section-heading h2 {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 4vw, 3.1rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
    max-width: 13ch;
}

.eyebrow,
.section-label,
.panel-label,
.inline-note span {
    margin: 0 0 1rem;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero .intro,
.principal-copy p,
.section-heading p,
.info-card p,
.process-card p,
.form-footer p,
.inline-note p,
.form-feedback {
    margin: 0;
    color: var(--muted);
    font-size: 1.02rem;
}

.hero-copy {
    display: grid;
    gap: 1.8rem;
}

.inline-note {
    display: grid;
    gap: 0.7rem;
    max-width: 42rem;
    padding-block-start: 1.1rem;
    border-top: 1px solid var(--line);
}

.hero-panel,
.info-card,
.process-card,
.form-panel,
.portrait-frame {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(250, 247, 240, 0.88));
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.hero-panel {
    padding: clamp(1.5rem, 3vw, 2rem);
}

.fact-list {
    display: grid;
    gap: 1.2rem;
    margin: 0;
}

.fact-list div {
    padding-block-start: 1rem;
    border-top: 1px solid var(--line);
}

.fact-list div:first-child {
    padding-block-start: 0;
    border-top: 0;
}

.fact-list dt {
    margin: 0 0 0.35rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.fact-list dd {
    margin: 0;
    font-size: 1.02rem;
    font-weight: 600;
}

.section-heading {
    margin-block-end: 2.25rem;
}

.section-heading.narrow {
    max-width: 42rem;
}

.card-grid {
    display: grid;
    gap: 1.25rem;
}

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

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

.info-card,
.process-card {
    padding: 1.7rem;
}

.info-card h2,
.process-card h2 {
    margin: 0 0 0.85rem;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
}

.process-card span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    inline-size: 2.5rem;
    block-size: 2.5rem;
    margin-block-end: 1.15rem;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    color: var(--muted);
    font-size: 0.84rem;
    font-weight: 600;
}

.portrait-column {
    display: grid;
    gap: 1rem;
}

.portrait-frame {
    overflow: hidden;
    aspect-ratio: 4 / 5;
    padding: 0;
}

.portrait-frame img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
}

.portrait-caption {
    display: grid;
    gap: 0.35rem;
    color: var(--muted);
    font-size: 0.92rem;
}

.portrait-caption strong {
    color: var(--text);
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.principal-copy {
    max-width: 44rem;
}

.principal-copy h2 {
    margin-block-end: 1.3rem;
    max-width: 13ch;
}

.principal-copy p + p {
    margin-block-start: 1rem;
}

.form-panel {
    padding: clamp(1.4rem, 3vw, 2rem);
}

.form-feedback {
    margin-block-end: 1.1rem;
    padding: 1rem 1.1rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
}

.form-feedback-success {
    color: var(--success);
    background: var(--success-bg);
    border-color: rgba(35, 66, 45, 0.16);
}

.form-feedback-error {
    color: var(--error);
    background: var(--error-bg);
    border-color: rgba(122, 42, 37, 0.16);
}

.inquiry-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.inquiry-form label {
    display: grid;
    gap: 0.6rem;
}

.inquiry-form label > span {
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 600;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
    inline-size: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.62);
    color: var(--text);
    padding: 0.95rem 1rem;
    transition: border-color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.inquiry-form input::placeholder,
.inquiry-form textarea::placeholder {
    color: #7c858f;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
    outline: none;
    border-color: rgba(22, 34, 49, 0.28);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 0 0 4px rgba(22, 34, 49, 0.06);
}

.inquiry-form textarea {
    resize: vertical;
    min-block-size: 10rem;
}

.full-span {
    grid-column: 1 / -1;
}

.form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block-start: 0.4rem;
}

.form-footer p {
    max-width: 32rem;
}

.form-footer button {
    border: 0;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    padding: 0.95rem 1.35rem;
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
}

.form-footer button:hover,
.form-footer button:focus-visible {
    background: #101925;
}

.site-footer {
    padding-block: 0 2rem;
}

#approach,
#principal,
#inquiry {
    scroll-margin-top: calc(var(--header-height) + 28px);
}

.footer-inner {
    padding-block-start: 1.2rem;
    border-top: 1px solid var(--line);
}

.footer-inner p {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
}

[data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 520ms ease, transform 520ms ease;
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

html[dir="rtl"] body {
    font-family: "Segoe UI", Tahoma, sans-serif;
}

html[dir="rtl"] .header-inner,
html[dir="rtl"] .header-actions,
html[dir="rtl"] .form-footer {
    flex-direction: row-reverse;
}

html[dir="rtl"] .hero-copy,
html[dir="rtl"] .principal-copy,
html[dir="rtl"] .section-heading,
html[dir="rtl"] .info-card,
html[dir="rtl"] .process-card,
html[dir="rtl"] .form-panel,
html[dir="rtl"] .footer-inner {
    text-align: right;
}

html[dir="rtl"] .hero-copy {
    order: 2;
}

html[dir="rtl"] .hero-panel {
    order: 1;
}

html[dir="rtl"] .principal-copy {
    order: 1;
}

html[dir="rtl"] .portrait-column {
    order: 2;
}

html[dir="rtl"] .inquiry-grid .section-heading {
    order: 2;
}

html[dir="rtl"] .inquiry-grid .form-panel {
    order: 1;
}

@media (max-width: 980px) {
    .hero-grid,
    .principal-grid,
    .inquiry-grid,
    .three-up,
    .process-grid {
        grid-template-columns: 1fr;
    }

    .hero h1,
    .principal-copy h2,
    .section-heading h2 {
        max-width: none;
    }

    .site-nav {
        display: none;
    }

    .form-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    html[dir="rtl"] .hero-copy,
    html[dir="rtl"] .hero-panel,
    html[dir="rtl"] .principal-copy,
    html[dir="rtl"] .portrait-column,
    html[dir="rtl"] .inquiry-grid .section-heading,
    html[dir="rtl"] .inquiry-grid .form-panel {
        order: initial;
    }
}

@media (max-width: 720px) {
    :root {
        --header-height: 74px;
    }

    .container {
        width: min(calc(100% - 28px), var(--container));
    }

    .header-inner {
        gap: 0.8rem;
    }

    .brand {
        gap: 0.7rem;
        font-size: 0.82rem;
    }

    .language-switch a {
        padding-inline: 0.56rem;
    }

    .inquiry-form {
        grid-template-columns: 1fr;
    }

    .full-span {
        grid-column: auto;
    }

    .hero .intro,
    .principal-copy p,
    .section-heading p,
    .info-card p,
    .process-card p,
    .form-footer p,
    .inline-note p,
    .form-feedback {
        font-size: 0.98rem;
    }
}

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

    [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }
}