:root {
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface-soft: #edf3fb;
    --line: #d8e3f2;
    --text: #0b1f38;
    --text-soft: #425a79;
    --brand: #0072ce;
    --brand-strong: #0259a1;
    --accent: #15bdb2;
    --shadow: 0 22px 55px rgba(7, 43, 82, 0.11);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --container: 1140px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Instrument Sans", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3 {
    font-family: "Sora", sans-serif;
    line-height: 1.22;
    letter-spacing: -0.02em;
}

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

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

.section {
    padding: 78px 0;
}

.bg-shape {
    position: fixed;
    z-index: -1;
    pointer-events: none;
    filter: blur(60px);
    opacity: 0.65;
}

.bg-shape-a {
    width: 330px;
    height: 330px;
    border-radius: 50%;
    background: rgba(0, 114, 206, 0.24);
    top: -70px;
    left: -110px;
}

.bg-shape-b {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(21, 189, 178, 0.24);
    right: -80px;
    bottom: 10%;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(14px);
    background: rgba(244, 247, 251, 0.85);
}

.nav-wrap {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: "Sora", sans-serif;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.logo-mark {
    width: 13px;
    height: 13px;
    border-radius: 3px;
    background: linear-gradient(140deg, var(--brand), var(--accent));
    box-shadow: 0 0 0 4px rgba(0, 114, 206, 0.16);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.main-nav a {
    color: var(--text-soft);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -7px;
    width: 100%;
    height: 2px;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.26s ease;
    background: linear-gradient(90deg, var(--brand), var(--accent));
}

.main-nav a:hover::after {
    transform-origin: left;
    transform: scaleX(1);
}

.menu-button {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: #fff;
    padding: 8px;
    cursor: pointer;
}

.menu-button span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 5px 0;
    background: var(--text);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-button.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-button.open span:nth-child(2) {
    opacity: 0;
}

.menu-button.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.hero {
    padding-top: 46px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 34px;
}

.hero-copy h1 {
    font-size: clamp(1.9rem, 4.3vw, 3.3rem);
    max-width: 14ch;
    margin-top: 10px;
}

.hero-copy > p {
    margin-top: 18px;
    max-width: 54ch;
    color: var(--text-soft);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
    color: var(--brand-strong);
    font-weight: 700;
}

.eyebrow::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--brand-strong);
}

.hero-actions {
    margin-top: 28px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    border: none;
    border-radius: 999px;
    padding: 12px 20px;
    font-family: "Instrument Sans", sans-serif;
    font-size: 0.96rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(120deg, var(--brand), #0399d7);
    box-shadow: 0 13px 28px rgba(0, 114, 206, 0.28);
}

.btn-primary:hover {
    box-shadow: 0 18px 34px rgba(0, 114, 206, 0.35);
}

.btn-ghost {
    color: var(--brand-strong);
    background: #eaf2fc;
    border: 1px solid #d5e5f8;
}

.hero-metrics {
    margin-top: 35px;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.hero-metrics li {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 14px;
}

.metric-value {
    display: block;
    font-family: "Sora", sans-serif;
    font-size: clamp(1.35rem, 3vw, 2rem);
    color: var(--brand-strong);
}

.metric-label {
    display: block;
    margin-top: 3px;
    font-size: 0.85rem;
    color: var(--text-soft);
}

.hero-highlight {
    background: linear-gradient(160deg, #07284a, #0a365e);
    color: #f2f8ff;
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow);
}

.highlight-tag {
    display: inline-block;
    color: #0a2d52;
    background: #d6efff;
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
}

.hero-highlight h2 {
    font-size: clamp(1.35rem, 2.3vw, 1.95rem);
    margin-top: 12px;
}

.hero-highlight > p {
    margin-top: 12px;
    color: rgba(244, 249, 255, 0.84);
}

.highlight-link {
    display: inline-block;
    margin-top: 14px;
    color: #86f3dc;
    font-weight: 600;
}

.highlight-list {
    margin-top: 18px;
    display: grid;
    gap: 11px;
}

.highlight-list article {
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-sm);
    padding: 12px;
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: 10px;
    align-items: start;
}

.highlight-list span {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    font-family: "Sora", sans-serif;
    color: #0f3458;
    background: #a8f0ef;
}

.section-head h2 {
    font-size: clamp(1.45rem, 3.2vw, 2.4rem);
    margin-top: 8px;
    max-width: 20ch;
}

.objectives-box {
    margin-top: 22px;
    background: linear-gradient(120deg, #e4f0ff, #e8fcfa);
    border: 1px solid #cae0fa;
    border-radius: var(--radius-md);
    padding: 22px;
    color: #133256;
}

.objective-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.objective-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.objective-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 30px rgba(6, 38, 73, 0.09);
}

.objective-card h3 {
    font-size: 1.1rem;
}

.objective-card p {
    margin-top: 9px;
    color: var(--text-soft);
}

.front-grid {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.front-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 24px;
    min-height: 174px;
    position: relative;
    overflow: hidden;
}

.front-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 88% 11%, rgba(0, 114, 206, 0.12), transparent 46%);
}

.front-card h3 {
    font-size: 1.17rem;
}

.front-card p {
    margin-top: 10px;
    color: var(--text-soft);
    max-width: 34ch;
}

.filter-row {
    margin-top: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
}

.filter-btn {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 14px;
    background: var(--surface);
    color: var(--text-soft);
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.filter-btn.active {
    color: #fff;
    background: var(--brand);
    border-color: var(--brand);
}

.insights-grid {
    margin-top: 17px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.post-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: transform 0.22s ease, box-shadow 0.22s ease, opacity 0.18s ease;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 27px rgba(7, 43, 82, 0.1);
}

.post-card.hidden {
    display: none;
}

.post-category {
    display: inline-flex;
    color: var(--brand-strong);
    background: #e8f2ff;
    border: 1px solid #d2e5fb;
    border-radius: 999px;
    padding: 4px 9px;
    font-size: 0.75rem;
    font-weight: 700;
}

.post-card h3 {
    font-size: 1.08rem;
    margin-top: 12px;
}

.post-card p:last-child {
    margin-top: 8px;
    color: var(--text-soft);
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 18px;
    align-items: start;
}

.contact-copy h2 {
    font-size: clamp(1.4rem, 3.1vw, 2.2rem);
    margin-top: 8px;
}

.contact-copy > p {
    margin-top: 12px;
    color: var(--text-soft);
    max-width: 45ch;
}

.contact-links {
    margin-top: 22px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.contact-links a {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 10px 14px;
    background: var(--surface);
    color: var(--brand-strong);
    font-weight: 600;
    font-size: 0.9rem;
}

.contact-form {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: grid;
    gap: 8px;
}

.contact-form label {
    font-weight: 600;
    color: #1e3553;
    font-size: 0.92rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid #cdddf1;
    border-radius: var(--radius-sm);
    padding: 12px 12px;
    font: inherit;
    color: var(--text);
    background: #fbfdff;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(0, 114, 206, 0.14);
}

.contact-form textarea {
    resize: vertical;
    min-height: 125px;
}

.form-feedback {
    min-height: 20px;
    font-size: 0.9rem;
    color: #0d8053;
}

.site-footer {
    border-top: 1px solid var(--line);
    padding: 20px 0 30px;
}

.footer-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    color: var(--text-soft);
    font-size: 0.9rem;
}

.footer-wrap a {
    color: var(--brand-strong);
    font-weight: 600;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 1040px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero-copy h1 {
        max-width: 19ch;
    }

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

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

@media (max-width: 860px) {
    .menu-button {
        display: inline-block;
    }

    .main-nav {
        position: absolute;
        top: 78px;
        left: 4vw;
        right: 4vw;
        background: rgba(255, 255, 255, 0.97);
        border: 1px solid var(--line);
        border-radius: var(--radius-md);
        box-shadow: 0 20px 32px rgba(7, 43, 82, 0.14);
        padding: 16px;
        display: grid;
        gap: 10px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    }

    .main-nav.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .main-nav a {
        padding: 4px 0;
    }
}

@media (max-width: 760px) {
    .section {
        padding: 64px 0;
    }

    .hero-metrics {
        grid-template-columns: 1fr;
    }

    .objective-grid,
    .front-grid {
        grid-template-columns: 1fr;
    }

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

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