/* Public pages: header, footer, the home page's sections, About and Contact.
   Theme tokens (colours, gradients, fonts) live in base.css. */

.public-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.public-page main {
    flex: 1;
}

/* In-page links land below the sticky header. */
section[id] {
    scroll-margin-top: 84px;
}

/* ---- Header ---------------------------------------------------------------- */

.site-header {
    z-index: 1030;
}

.site-nav {
    padding: 0.7rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}

.brand-mark {
    flex: none;
    border-radius: 9px;
}

.brand-word {
    font-family: var(--font-family-headings);
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    color: var(--color-ink);
}

.brand-tld {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.site-nav .nav-link {
    padding: 0.5rem 0.85rem;
    border-radius: 8px;
}

.nav-cta {
    margin-left: 0.5rem;
}

.site-nav .navbar-toggler {
    border-color: var(--color-line);
    padding: 0.4rem 0.55rem;
}

.site-nav .navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(14, 116, 144, 0.3);
}

@media (max-width: 991.98px) {
    .site-nav .navbar-collapse {
        padding: 0.75rem 0 0.5rem;
    }

    .site-nav .nav-link {
        padding: 0.75rem 0.25rem;
        border-bottom: 1px solid var(--color-line);
        border-radius: 0;
    }

    .nav-cta {
        margin: 1rem 0 0.25rem;
    }

    .nav-cta .btn {
        width: 100%;
        padding: 0.75rem 1rem;
    }
}

/* ---- Shared section parts -------------------------------------------------- */

.section {
    padding: clamp(3.5rem, 7vw, 6rem) 0;
}

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

.section-head {
    max-width: 46rem;
    margin: 0 auto clamp(2rem, 4vw, 3rem);
    text-align: center;
}

.section-head-left {
    text-align: left;
    margin-left: 0;
}

.eyebrow {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-eyebrow);
    margin-bottom: 0.75rem;
}

.eyebrow-on-dark {
    color: #5EEAD4;
}

.section-title {
    font-size: clamp(1.85rem, 1.6vw + 1.3rem, 2.75rem);
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.section-title-sm {
    font-size: clamp(1.5rem, 1vw + 1.2rem, 1.9rem);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-intro {
    font-size: 1.12rem;
    color: var(--color-muted);
    margin: 0;
}

.text-link {
    font-weight: 600;
    text-decoration: none;
}

.text-link:hover {
    text-decoration: underline;
}

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

.check-list li {
    position: relative;
    padding-left: 1.75rem;
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.2em;
    width: 1.15rem;
    height: 1.15rem;
    border-radius: 50%;
    background: rgba(15, 118, 110, 0.12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%230F766E' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round' d='M3.6 8.4l2.9 2.9 5.9-6.6'/%3E%3C/svg%3E") center / 0.72rem no-repeat;
}

/* ---- Hero ------------------------------------------------------------------ */

.hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    color: var(--color-on-dark);
    background:
        radial-gradient(52rem 32rem at 88% -12%, rgba(29, 78, 216, 0.55), transparent 62%),
        radial-gradient(40rem 28rem at -8% 110%, rgba(15, 118, 110, 0.55), transparent 60%),
        var(--color-ink);
    padding: clamp(3.25rem, 7vw, 6.5rem) 0 clamp(3.5rem, 7vw, 6rem);
}

/* A faint grid, fading out toward the edges. */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.09) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.09) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, #000 30%, transparent 80%);
    mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, #000 30%, transparent 80%);
}

.hero h1 {
    color: #fff;
    font-size: clamp(2.2rem, 2.4vw + 1.5rem, 3.9rem);
    line-height: 1.06;
    letter-spacing: -0.035em;
    margin-bottom: 1.25rem;
}

.hero-lead {
    font-size: clamp(1.08rem, 0.4vw + 1rem, 1.25rem);
    line-height: 1.65;
    color: var(--color-on-dark);
    max-width: 36rem;
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.hero .btn-primary {
    box-shadow: 0 10px 30px rgba(20, 184, 166, 0.25);
}

.hero-note {
    margin: 1.25rem 0 0;
    color: var(--color-on-dark-muted);
    font-size: 0.95rem;
}

.hero-note .bi {
    color: #5EEAD4;
    margin-right: 0.3rem;
}

.hero :focus-visible {
    outline-color: var(--color-focus-on-dark);
}

/* The example workflow card. */
.flow-card {
    position: relative;
    max-width: 520px;
    margin: 0 0 0 auto;
    padding: 1.5rem 1.5rem 1.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    box-shadow: 0 30px 80px rgba(2, 6, 23, 0.55);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.flow-title {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    margin-bottom: 1.35rem;
    color: #fff;
    font-family: var(--font-family-headings);
    font-weight: 600;
    font-size: 1.12rem;
}

.flow-kicker {
    font-family: var(--font-family-base);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #5EEAD4;
}

.flow-steps {
    position: relative;
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 1.1rem;
}

/* The line the work travels along, and the spark travelling it. */
.flow-steps::before {
    content: "";
    position: absolute;
    left: 19px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: linear-gradient(180deg, rgba(94, 234, 212, 0.75), rgba(147, 197, 253, 0.75));
}

.flow-steps::after {
    content: "";
    position: absolute;
    left: 15px;
    top: 16px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.18), 0 0 14px rgba(251, 191, 36, 0.85);
    animation: flow-travel 4.8s ease-in-out 1.4s infinite;
    opacity: 0;
}

@keyframes flow-travel {
    0% { top: 16px; opacity: 0; }
    8% { opacity: 1; }
    88% { opacity: 1; }
    100% { top: calc(100% - 26px); opacity: 0; }
}

.flow-steps li {
    position: relative;
    display: grid;
    grid-template-columns: 40px 1fr;
    grid-template-areas: "icon text" "icon chip";
    column-gap: 0.9rem;
    row-gap: 0.35rem;
    align-items: start;
}

.flow-icon {
    grid-area: icon;
    position: relative;
    z-index: 1;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.05rem;
    background: var(--gradient-primary);
    box-shadow: 0 0 0 4px var(--color-ink);
}

.flow-icon-person {
    background: #F59E0B;
    color: var(--color-ink);
}

.flow-text {
    grid-area: text;
    color: var(--color-on-dark);
    font-size: 0.98rem;
    line-height: 1.45;
    padding-top: 0.1rem;
}

.flow-chip {
    grid-area: chip;
    justify-self: start;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: #CBD5E1;
    background: rgba(148, 163, 184, 0.16);
}

.flow-chip-accent {
    color: #FCD34D;
    background: rgba(251, 191, 36, 0.16);
}

.flow-foot {
    margin: 1.25rem 0 0;
    padding-top: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.84rem;
    color: var(--color-on-dark-muted);
}

/* One orchestrated entrance; nothing moves for visitors who asked for less motion. */
@keyframes rise {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: none; }
}

.hero-copy > * {
    animation: rise 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.hero-copy > :nth-child(2) { animation-delay: 0.08s; }
.hero-copy > :nth-child(3) { animation-delay: 0.16s; }
.hero-copy > :nth-child(4) { animation-delay: 0.24s; }
.hero-copy > :nth-child(5) { animation-delay: 0.32s; }

.flow-card {
    animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 0.25s both;
}

.flow-steps li {
    animation: rise 0.6s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.flow-steps li:nth-child(1) { animation-delay: 0.45s; }
.flow-steps li:nth-child(2) { animation-delay: 0.6s; }
.flow-steps li:nth-child(3) { animation-delay: 0.75s; }
.flow-steps li:nth-child(4) { animation-delay: 0.9s; }

@media (prefers-reduced-motion: reduce) {
    .hero-copy > *,
    .flow-card,
    .flow-steps li {
        animation: none;
    }

    .flow-steps::after {
        display: none;
    }
}

@media (max-width: 991.98px) {
    .flow-card {
        margin: 0.5rem auto 0;
    }
}

@media (max-width: 575.98px) {
    .hero-actions .btn {
        width: 100%;
    }

    .flow-card {
        padding: 1.25rem 1.1rem 1.1rem;
    }
}

/* ---- Tools strip ------------------------------------------------------------ */

.tools-strip {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-line);
    padding: 1.75rem 0;
}

.tools-title {
    font-family: var(--font-family-base);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-muted);
    text-align: center;
    margin: 0 0 1rem;
}

.tool-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
}

.tool-list li {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.95rem;
    border: 1px solid var(--color-line);
    border-radius: 999px;
    background: var(--color-surface-alt);
    font-size: 0.92rem;
    font-weight: 500;
}

.tool-list .bi {
    color: var(--color-primary);
}

/* ---- Services --------------------------------------------------------------- */

.service-card {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 1.75rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-card::before {
    content: "";
    position: absolute;
    inset: -1px -1px auto;
    height: 3px;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.service-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(14, 116, 144, 0.3);
}

.service-card:hover::before,
.service-card:focus-within::before {
    opacity: 1;
}

.service-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    color: #fff;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-brand);
}

.service-card h3 {
    font-size: 1.25rem;
    line-height: 1.3;
    margin: 1.15rem 0 0.6rem;
}

.service-card p {
    color: var(--color-muted);
    margin-bottom: 1.25rem;
}

.service-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
    text-decoration: none;
}

.service-link .bi {
    transition: transform 0.2s ease;
}

.service-link:hover {
    text-decoration: underline;
}

.service-link:hover .bi {
    transform: translateX(3px);
}

/* ---- How it works ----------------------------------------------------------- */

.steps {
    position: relative;
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 1rem;
}

.step {
    position: relative;
    padding: 1.35rem 1.25rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    background: var(--color-surface);
}

.step-number {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-family: var(--font-family-headings);
    font-weight: 700;
    color: #fff;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-brand);
}

.step h3 {
    font-size: 1.2rem;
    margin-bottom: 0.45rem;
}

.step p {
    color: var(--color-muted);
    margin: 0;
}

@media (max-width: 991.98px) {
    .step {
        display: grid;
        grid-template-columns: 48px 1fr;
        column-gap: 1rem;
        align-items: start;
    }

    .step-number {
        grid-row: 1 / span 2;
        width: 48px;
        height: 48px;
        font-size: 1.15rem;
    }

    .step h3 {
        margin-top: 0.55rem;
    }
}

@media (min-width: 992px) {
    .steps {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.75rem;
    }

    /* The thread through the four numbers. */
    .steps::before {
        content: "";
        position: absolute;
        top: 28px;
        left: 12.5%;
        right: 12.5%;
        height: 2px;
        background: linear-gradient(90deg, var(--color-gradient-start), var(--color-gradient-end));
        opacity: 0.35;
    }

    .step {
        padding: 0 0.5rem;
        border: 0;
        background: transparent;
        text-align: center;
    }

    .step-number {
        width: 56px;
        height: 56px;
        font-size: 1.35rem;
        margin-bottom: 1.1rem;
        box-shadow: 0 0 0 8px var(--color-surface-alt), var(--shadow-brand);
    }
}

/* ---- Use cases -------------------------------------------------------------- */

.use-card {
    height: 100%;
    padding: 1.6rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.use-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.25rem;
    color: var(--color-primary-dark);
    background: rgba(14, 116, 144, 0.1);
}

.use-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.9rem;
}

.use-card .check-list li {
    font-size: 0.98rem;
}

.use-note {
    margin: 1rem 0 0;
    font-size: 0.88rem;
    color: var(--color-muted);
}

/* ---- Principles ------------------------------------------------------------- */

.principle {
    height: 100%;
    padding: 1.5rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    background: var(--color-surface);
}

.principle-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    color: #5EEAD4;
    background: var(--color-ink);
}

.principle h3 {
    font-size: 1.12rem;
    margin-bottom: 0.5rem;
}

.principle p {
    color: var(--color-muted);
    margin: 0;
}

/* On a phone, a card's icon sits beside its heading: more of the list fits on screen. */
@media (max-width: 575.98px) {
    .service-card,
    .use-card,
    .principle {
        display: grid;
        grid-template-columns: 44px 1fr;
        column-gap: 0.9rem;
        align-items: center;
        padding: 1.35rem 1.25rem;
    }

    .service-card > :not(.service-icon):not(h3),
    .use-card > :not(.use-icon):not(h3),
    .principle > :not(.principle-icon):not(h3) {
        grid-column: 1 / -1;
    }

    .service-icon,
    .use-icon,
    .principle-icon {
        width: 44px;
        height: 44px;
        margin: 0;
        border-radius: 12px;
        font-size: 1.2rem;
    }

    .service-card h3,
    .use-card h3,
    .principle h3 {
        margin: 0;
    }

    .service-card p {
        margin: 0.85rem 0 1rem;
    }

    .use-card .check-list {
        margin-top: 0.9rem;
    }

    .principle p {
        margin-top: 0.75rem;
    }
}

/* ---- FAQ -------------------------------------------------------------------- */

.faq {
    max-width: 50rem;
    margin: 0 auto;
    display: grid;
    gap: 0.75rem;
}

.faq details {
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.faq summary {
    position: relative;
    list-style: none;
    cursor: pointer;
    padding: 1.15rem 3.5rem 1.15rem 1.35rem;
    font-family: var(--font-family-headings);
    font-weight: 600;
    font-size: 1.1rem;
    line-height: 1.4;
    color: var(--color-ink);
    border-radius: var(--radius-md);
}

.faq summary::-webkit-details-marker {
    display: none;
}

.faq summary::after {
    content: "";
    position: absolute;
    right: 1.25rem;
    top: 50%;
    width: 26px;
    height: 26px;
    margin-top: -13px;
    border-radius: 50%;
    background: rgba(14, 116, 144, 0.1) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 3.5v9M3.5 8h9' stroke='%230E7490' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center / 14px no-repeat;
    transition: transform 0.2s ease;
}

.faq details[open] summary::after {
    transform: rotate(45deg);
}

.faq summary:focus-visible {
    outline-offset: -3px;
}

.faq details p {
    margin: 0;
    padding: 0 1.35rem 1.3rem;
    color: var(--color-muted);
}

/* ---- Closing call to action ------------------------------------------------- */

.cta-band {
    padding: clamp(1rem, 4vw, 2rem) 0 clamp(3.5rem, 7vw, 5.5rem);
}

.cta-band-inner {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: clamp(2.25rem, 5vw, 4rem) clamp(1.25rem, 5vw, 4rem);
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    color: #fff;
    text-align: center;
    box-shadow: 0 30px 60px rgba(14, 116, 144, 0.25);
}

.cta-band-inner::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, #000 20%, transparent 75%);
    mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, #000 20%, transparent 75%);
}

.cta-band h2 {
    max-width: 40rem;
    margin: 0 auto 1rem;
    color: #fff;
    font-size: clamp(1.75rem, 1.6vw + 1.2rem, 2.6rem);
    line-height: 1.15;
}

.cta-band-inner > p {
    max-width: 38rem;
    margin: 0 auto 1.75rem;
    color: rgba(255, 255, 255, 0.94);
    font-size: 1.1rem;
}

.cta-band-alt {
    margin: 1rem 0 0;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.94);
}

.cta-band-alt a {
    color: #fff;
    font-weight: 600;
}

.cta-band :focus-visible {
    outline-color: #fff;
}

/* ---- Footer ----------------------------------------------------------------- */

.site-footer {
    padding: clamp(3rem, 6vw, 4.5rem) 0 1.5rem;
    background: var(--color-ink);
    color: var(--color-on-dark-muted);
}

.brand-on-dark .brand-word {
    color: #fff;
}

.brand-on-dark .brand-tld {
    background: var(--gradient-on-dark);
    -webkit-background-clip: text;
    background-clip: text;
}

.footer-blurb {
    max-width: 26rem;
    margin: 1rem 0 0;
}

.footer-heading {
    margin-bottom: 1rem;
    font-family: var(--font-family-base);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #fff;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.6rem;
}

.footer-links a,
.footer-bottom a,
.site-footer .privacy-link {
    color: var(--color-on-dark);
    text-decoration: none;
    overflow-wrap: anywhere;
}

.footer-links a:hover,
.footer-bottom a:hover,
.site-footer .privacy-link:hover {
    color: #fff;
    text-decoration: underline;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem 1.5rem;
    margin-top: 2.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    font-size: 0.88rem;
}

.footer-bottom p {
    margin: 0;
}

.site-footer :focus-visible {
    outline-color: var(--color-focus-on-dark);
}

/* ---- Inner page header (About, Contact) -------------------------------------- */

.page-header {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: clamp(3rem, 6vw, 5rem) 0 clamp(2.5rem, 5vw, 4rem);
    border-bottom: 1px solid var(--color-line);
    background:
        radial-gradient(40rem 20rem at 92% 0%, rgba(14, 116, 144, 0.13), transparent 60%),
        radial-gradient(30rem 18rem at 0% 100%, rgba(29, 78, 216, 0.08), transparent 60%),
        var(--color-surface-alt);
}

.page-header::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(15, 23, 42, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(ellipse 60% 90% at 85% 10%, #000 20%, transparent 75%);
    mask-image: radial-gradient(ellipse 60% 90% at 85% 10%, #000 20%, transparent 75%);
}

.page-header h1 {
    max-width: 48rem;
    margin-bottom: 1rem;
    font-size: clamp(2.1rem, 2vw + 1.5rem, 3.3rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.page-lead {
    max-width: 44rem;
    margin: 0;
    font-size: clamp(1.06rem, 0.4vw + 1rem, 1.22rem);
    color: var(--color-muted);
}

/* ---- Contact ---------------------------------------------------------------- */

.section-contact {
    padding-top: clamp(2.5rem, 5vw, 4rem);
}

.form-card {
    padding: clamp(1.25rem, 3vw, 2.25rem);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-md);
}

.form-title {
    font-size: 1.4rem;
    margin-bottom: 0.35rem;
}

.form-note {
    margin-bottom: 1.5rem;
    color: var(--color-muted);
    font-size: 0.95rem;
}

.field .form-label {
    margin-bottom: 0.4rem;
    font-weight: 600;
    color: var(--color-ink);
}

.optional {
    font-weight: 400;
    font-size: 0.92em;
    color: var(--color-muted);
}

.field .form-text {
    margin: 0.4rem 0 0;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.errorlist {
    list-style: none;
    padding: 0;
    margin: 0.4rem 0 0;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-danger);
}

.form-control[aria-invalid="true"],
.form-select[aria-invalid="true"] {
    border-color: var(--color-danger);
}

.form-control[aria-invalid="true"]:focus,
.form-select[aria-invalid="true"]:focus {
    box-shadow: 0 0 0 0.25rem rgba(185, 28, 28, 0.18);
}

.error-summary {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    border: 2px solid var(--color-danger);
    border-radius: var(--radius-md);
    background: #FEF2F2;
}

.error-summary h3 {
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
    color: var(--color-danger);
}

.error-summary ul {
    margin: 0;
    padding-left: 1.1rem;
}

.error-summary a {
    color: var(--color-danger);
    font-weight: 500;
}

/* The honeypot: off-screen, never displayed to a person. */
.hp-field {
    position: absolute !important;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.5rem;
    margin-top: 1.75rem;
}

.form-privacy {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.sent-panel {
    padding: clamp(1.75rem, 4vw, 2.75rem);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-md);
}

.sent-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 1.25rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: #fff;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-brand);
}

.sent-panel h2 {
    margin-bottom: 0.75rem;
    font-size: clamp(1.5rem, 1vw + 1.2rem, 2rem);
}

.sent-panel p {
    font-size: 1.08rem;
    color: var(--color-muted);
}

.sent-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.5rem;
    margin-top: 1.5rem;
}

.contact-aside h2 {
    margin-bottom: 1.25rem;
    font-size: 1.35rem;
}

.next-steps {
    list-style: none;
    counter-reset: next;
    padding: 0;
    margin: 0 0 2rem;
    display: grid;
    gap: 1.1rem;
}

.next-steps li {
    position: relative;
    counter-increment: next;
    padding-left: 3rem;
    color: var(--color-muted);
}

.next-steps li::before {
    content: counter(next);
    position: absolute;
    left: 0;
    top: -0.1rem;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-family-headings);
    font-weight: 700;
    font-size: 0.95rem;
    color: #fff;
    background: var(--color-ink);
}

.next-steps strong {
    color: var(--color-ink);
}

.aside-box {
    padding: 1.25rem 1.4rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    background: var(--color-surface-alt);
}

.aside-box h3 {
    margin-bottom: 0.35rem;
    font-size: 1.05rem;
}

.aside-box p {
    margin: 0;
    font-weight: 600;
}

@media (min-width: 992px) {
    .contact-aside {
        position: sticky;
        top: 104px;
    }
}

@media (max-width: 575.98px) {
    .form-actions .btn {
        width: 100%;
    }
}