:root {
    --bg: #f4f8fb;
    --bg-soft: #e8f0f5;
    --ink: #0d2438;
    --ink-soft: #4f6273;
    --brand: #0b6a88;
    --brand-strong: #065269;
    --brand-alt: #12a98d;
    --line: #d2e0ea;
    --card: #ffffff;
    --shadow: 0 20px 45px rgba(7, 34, 52, 0.14);
    --radius: 18px;
}

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

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Manrope", "Segoe UI", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 88% 4%, rgba(18, 169, 141, 0.18), transparent 34%),
        radial-gradient(circle at 8% 12%, rgba(11, 106, 136, 0.2), transparent 30%),
        var(--bg);
    line-height: 1.6;
}

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

.site-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.container {
    width: min(1120px, 92vw);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 25;
    border-bottom: 1px solid rgba(210, 224, 234, 0.6);
    background: rgba(244, 248, 251, 0.88);
    backdrop-filter: blur(12px);
}

.nav-wrap {
    min-height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    min-width: 0;
}

.brand-logo {
    width: 100px;
    height: 100px;
    border-radius: 0;
    object-fit: contain;
    box-shadow: none;
}

.brand-text {
    display: block;
    font-family: "Sora", "Segoe UI", sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.nav-link {
    padding: 0.52rem 0.78rem;
    border-radius: 999px;
    color: var(--ink-soft);
    font-weight: 600;
    font-size: 0.85rem;
    transition: 0.25s ease;
}

.nav-link:hover {
    color: var(--ink);
    background: rgba(11, 106, 136, 0.1);
}

.nav-link.is-active {
    background: var(--ink);
    color: #fff;
}

.mobile-toggle {
    display: none;
    border: 0;
    background: var(--card);
    width: 44px;
    height: 44px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(7, 34, 52, 0.16);
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    height: 2px;
    width: 18px;
    background: var(--ink);
    margin: 6px auto;
}

.hero {
    padding: 5.5rem 0 4.25rem;
}

.hero-stack {
    display: grid;
    gap: 1rem;
}

.hero-content {
    max-width: 940px;
}

.eyebrow {
    margin: 0 0 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.11em;
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--brand-strong);
}

h1,
h2,
h3 {
    line-height: 1.2;
    margin: 0 0 1rem;
}

h1 {
    font-family: "Sora", "Segoe UI", sans-serif;
    font-size: clamp(2rem, 4.2vw, 3.15rem);
}

h2 {
    font-family: "Sora", "Segoe UI", sans-serif;
    font-size: clamp(1.35rem, 2.4vw, 2.05rem);
}

h3 {
    font-size: 1.17rem;
}

.hero-copy {
    max-width: 58ch;
    font-size: 1.06rem;
    color: var(--ink-soft);
}

.hero-actions {
    margin-top: 1.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 0;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    padding: 0.78rem 1.15rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand), var(--brand-alt));
    color: #fff;
    box-shadow: 0 14px 28px rgba(11, 106, 136, 0.26);
}

.btn-secondary {
    background: rgba(11, 106, 136, 0.1);
    color: var(--brand-strong);
}

.btn-footer {
    margin-top: 0.6rem;
    background: #fff;
    color: var(--ink);
}

.hero-metrics {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
}

.metric {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.58);
}

.metric-value {
    margin: 0;
    font-family: "Sora", "Segoe UI", sans-serif;
    font-weight: 700;
    font-size: 1.22rem;
}

.metric-label {
    margin: 0.24rem 0 0;
    color: var(--ink-soft);
    font-size: 0.86rem;
}

.hero-card {
    background: linear-gradient(165deg, #07324b, #0f5d73);
    color: #fff;
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.card-title {
    margin: 0 0 1rem;
    font-family: "Sora", "Segoe UI", sans-serif;
    font-size: 1.18rem;
}

.snapshot-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.72rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.93rem;
}

.snapshot-row span:last-child {
    text-align: right;
}

.text-link {
    margin-top: 1rem;
    display: inline-block;
    color: #9ff2dd;
    font-weight: 700;
}

.section {
    padding: 4.1rem 0;
}

.section-alt {
    background: linear-gradient(180deg, rgba(232, 240, 245, 0.66), rgba(232, 240, 245, 0.3));
}

.section-heading {
    max-width: 720px;
    margin-bottom: 1.75rem;
}

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

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

.info-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
    padding: 1.35rem;
    box-shadow: 0 10px 24px rgba(7, 34, 52, 0.08);
}

.info-card p {
    margin: 0;
    color: var(--ink-soft);
}

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

.timeline-item {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    padding: 1.2rem;
}

.timeline-step {
    margin: 0 0 0.55rem;
    font-family: "Sora", "Segoe UI", sans-serif;
    font-size: 0.85rem;
    color: var(--brand-strong);
    font-weight: 700;
}

.timeline-item p:last-child {
    margin: 0;
    color: var(--ink-soft);
}

.page-hero {
    padding: 4.25rem 0 1.8rem;
}

.page-hero-actions {
    margin-top: 1rem;
}

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

.project-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 10px 24px rgba(7, 34, 52, 0.08);
}

.project-grid-media {
    gap: 1.15rem;
}

.project-card-media {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-media {
    position: relative;
    aspect-ratio: 16 / 9;
    background: linear-gradient(145deg, #174058, #327792);
}

.project-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-media.is-placeholder {
    display: grid;
    place-items: center;
}

.project-placeholder {
    text-align: center;
    color: rgba(255, 255, 255, 0.94);
    padding: 1rem;
}

.project-placeholder p {
    margin: 0 0 0.2rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.78rem;
}

.project-placeholder span {
    font-family: "Sora", "Segoe UI", sans-serif;
    font-size: 1rem;
}

.project-category-chip {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    margin: 0;
    padding: 0.32rem 0.6rem;
    border-radius: 999px;
    background: rgba(6, 82, 105, 0.86);
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.68rem;
    font-weight: 800;
}

.project-body {
    padding: 1.15rem 1.2rem 1.25rem;
}

.project-body h2 {
    font-size: 1.26rem;
    margin-bottom: 0.75rem;
}

.project-detail-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.72rem;
    margin-bottom: 0.72rem;
}

.detail-label {
    margin: 0 0 0.26rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    font-weight: 800;
    color: var(--ink);
}

.project-detail p:last-child {
    margin: 0;
    color: var(--ink-soft);
}

.project-outcome {
    border-top: 1px solid var(--line);
    padding-top: 0.72rem;
}

.project-outcome p:last-child {
    margin: 0;
    color: var(--ink-soft);
}

.cta-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    padding: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.cta-card p {
    margin: 0;
    color: var(--ink-soft);
}

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

.choose-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    padding: 1.15rem;
    box-shadow: 0 10px 24px rgba(7, 34, 52, 0.08);
}

.choose-card h3 {
    margin-bottom: 0.55rem;
}

.choose-card p {
    margin: 0;
    color: var(--ink-soft);
}

.choose-feature {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    padding: 1.3rem;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1rem;
}

.choose-feature p {
    margin: 0;
    color: var(--ink-soft);
}

.choose-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.55rem;
}

.choose-list li {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.62rem 0.72rem;
    background: #f9fcfe;
    font-weight: 600;
    color: var(--ink);
    font-size: 0.93rem;
}

.gallery-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.52rem;
    margin-bottom: 1rem;
}

.gallery-filter {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.43rem 0.72rem;
    background: #fff;
    color: var(--ink-soft);
    font: inherit;
    font-size: 0.84rem;
    font-weight: 700;
    cursor: pointer;
    transition: 0.2s ease;
}

.gallery-filter:hover {
    border-color: rgba(11, 106, 136, 0.45);
    color: var(--ink);
}

.gallery-filter.is-active {
    background: var(--ink);
    color: #fff;
    border-color: var(--ink);
}

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

.gallery-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    overflow: hidden;
    box-shadow: 0 10px 24px rgba(7, 34, 52, 0.08);
}

.gallery-card[hidden] {
    display: none;
}

.gallery-media {
    width: 100%;
    border: 0;
    padding: 0;
    margin: 0;
    display: block;
    position: relative;
    aspect-ratio: 4 / 3;
    background: #16455f;
    cursor: pointer;
}

.gallery-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gallery-media.is-placeholder {
    display: grid;
    place-items: center;
    cursor: default;
}

.gallery-media.is-placeholder:disabled {
    opacity: 1;
}

.gallery-placeholder-title,
.gallery-placeholder-name {
    display: block;
    text-align: center;
    color: rgba(255, 255, 255, 0.93);
}

.gallery-placeholder-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 800;
}

.gallery-placeholder-name {
    margin-top: 0.3rem;
    font-family: "Sora", "Segoe UI", sans-serif;
    font-size: 0.94rem;
}

.gallery-category-chip {
    position: absolute;
    bottom: 0.62rem;
    left: 0.62rem;
    margin: 0;
    border-radius: 999px;
    padding: 0.3rem 0.58rem;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    background: rgba(6, 82, 105, 0.88);
    color: #fff;
    font-weight: 800;
}

.gallery-body {
    padding: 0.86rem 0.92rem 0.98rem;
}

.gallery-body h3 {
    margin: 0 0 0.25rem;
    font-size: 1rem;
}

.gallery-body p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 80;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    border: 0;
    background: rgba(5, 22, 34, 0.8);
}

.lightbox-panel {
    position: relative;
    width: min(980px, 92vw);
    margin: 4.5rem auto 0;
    border-radius: 18px;
    background: #071f2f;
    border: 1px solid rgba(174, 209, 231, 0.26);
    padding: 0.9rem;
}

.lightbox-close {
    position: absolute;
    top: 0.7rem;
    right: 0.7rem;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 0;
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

.lightbox-panel img {
    width: 100%;
    max-height: 76vh;
    object-fit: contain;
    display: block;
    border-radius: 12px;
    background: #0f3348;
}

.lightbox-panel p {
    margin: 0.6rem 0 0;
    color: #dceaf3;
    font-size: 0.9rem;
}

.page-not-found {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.not-found-card {
    max-width: 700px;
    margin: 0 auto;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff;
    box-shadow: var(--shadow);
    padding: 2rem;
}

.not-found-card p {
    margin: 0;
    color: var(--ink-soft);
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.8fr) 1.2fr;
    gap: 1rem;
    align-items: start;
}

.contact-info,
.form-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 10px 24px rgba(7, 34, 52, 0.08);
}

.contact-info {
    padding: 1.3rem;
}

.contact-meta p {
    margin: 0;
    padding: 0.65rem 0;
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--line);
}

.contact-meta p:last-child {
    border-bottom: 0;
}

.contact-meta strong {
    font-size: 0.8rem;
    color: var(--ink-soft);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.contact-email {
    color: var(--brand-strong);
    font-weight: 700;
}

.contact-note {
    margin-top: 1rem;
    padding-top: 0.85rem;
    border-top: 1px dashed var(--line);
}

.contact-note ul {
    margin: 0;
    padding-left: 1rem;
    color: var(--ink-soft);
}

.form-card {
    padding: 1.3rem;
}

.contact-form {
    display: grid;
    gap: 0.7rem;
}

.contact-form label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ink);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0.7rem 0.8rem;
    font: inherit;
    background: #fbfdff;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: 2px solid rgba(18, 169, 141, 0.28);
    border-color: var(--brand-alt);
}

.btn-submit {
    margin-top: 0.25rem;
}

.hp-field {
    position: absolute;
    left: -9999px;
}

.alert {
    border-radius: 12px;
    padding: 0.75rem 0.85rem;
    margin-bottom: 0.85rem;
}

.alert p {
    margin: 0;
}

.alert p + p {
    margin-top: 0.3rem;
}

.alert-error {
    background: #fff2f0;
    border: 1px solid #f7c8c0;
    color: #7b2316;
}

.alert-success {
    background: #e9fbf5;
    border: 1px solid #b6ead8;
    color: #0a6048;
}

.site-footer {
    margin-top: 2rem;
    border-top: 1px solid var(--line);
    background: linear-gradient(165deg, #0a2c40, #11445e);
    color: #e3eff7;
    padding: 2.4rem 0;
}

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

.footer-title {
    margin: 0 0 0.45rem;
    font-size: 1rem;
    font-family: "Sora", "Segoe UI", sans-serif;
}

.footer-copy {
    margin: 0.28rem 0;
    color: rgba(227, 239, 247, 0.86);
}

.footer-link {
    color: #ffffff;
    font-weight: 700;
}

.footer-list {
    margin: 0;
    padding-left: 1rem;
    color: rgba(227, 239, 247, 0.86);
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

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

@media (max-width: 960px) {
    .choose-grid,
    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .choose-feature {
        grid-template-columns: 1fr;
    }

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

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

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

    .project-detail-columns {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .container {
        width: min(1120px, 94vw);
    }

    .brand-text {
        max-width: 152px;
        font-size: 0.78rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .mobile-toggle {
        display: inline-block;
    }

    .site-nav {
        position: absolute;
        top: 86px;
        left: 4vw;
        right: 4vw;
        border: 1px solid var(--line);
        border-radius: 14px;
        background: #fff;
        padding: 0.65rem;
        box-shadow: 0 14px 30px rgba(7, 34, 52, 0.14);
        display: none;
        flex-direction: column;
        align-items: stretch;
    }

    .site-nav.is-open {
        display: flex;
    }

    .hero-metrics,
    .card-grid,
    .project-grid,
    .gallery-grid,
    .choose-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }
}