/* =========================================================
   REDTECH Dynamics Solutions Corp. — Corporate website
   Builds on the brand tokens in redtech.css.
   ========================================================= */

html {
    scroll-behavior: smooth;
}

/* Anchored solution sections land clear of the sticky header. */
.corp [id] {
    scroll-margin-top: calc(var(--header-h) + 12px);
}

/* ---------------------------------------------------------
   Header and main navigation
   --------------------------------------------------------- */

.corp-header {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: var(--header-h);
    padding: 0 clamp(18px, 4vw, 48px);
    background: rgba(0, 0, 0, .92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.corp-header__brand {
    display: flex;
    align-items: center;
    flex: none;
}

.corp-header__brand img {
    display: block;
    height: 46px;
    width: auto;
}

.corp-nav {
    display: flex;
    align-items: center;
    gap: clamp(14px, 2vw, 30px);
}

.corp-nav__list {
    display: flex;
    align-items: center;
    gap: clamp(10px, 1.6vw, 26px);
    margin: 0;
    padding: 0;
    list-style: none;
}

.corp-nav__link {
    position: relative;
    display: inline-block;
    padding: 6px 2px;
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--text-dim);
    white-space: nowrap;
    transition: color .16s ease;
}

.corp-nav__link:hover {
    color: #fff;
}

.corp-nav__link.is-active {
    color: #fff;
}

.corp-nav__link.is-active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 2px;
    border-radius: 1px;
    background: var(--red);
    box-shadow: 0 0 8px var(--red-glow);
}

/* Mobile menu toggle — hidden until the nav collapses. */
.corp-header__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: none;
    border: 1px solid var(--field-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.corp-header__burger span {
    display: block;
    height: 2px;
    border-radius: 1px;
    background: #fff;
    transition: transform .18s ease, opacity .18s ease;
}

.corp-header__burger[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.corp-header__burger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.corp-header__burger[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------------------------------------------------------
   Buttons
   --------------------------------------------------------- */

.btn-cta {
    display: inline-block;
    padding: 13px 26px;
    background: var(--red);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .05em;
    border: 1px solid var(--red);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    transition: background-color .16s ease, box-shadow .16s ease;
}

.btn-cta:hover {
    background: var(--red-bright);
    box-shadow: 0 0 22px var(--red-glow);
}

.btn-cta:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, .35);
}

.btn-cta--sm,
.corp-nav__demo {
    padding: 10px 18px;
    font-size: 13px;
}

.btn-outline {
    display: inline-block;
    padding: 12px 24px;
    background: transparent;
    color: var(--red-bright);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .05em;
    border: 1px solid var(--red-line);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    cursor: pointer;
    font-family: inherit;
    transition: color .16s ease, border-color .16s ease, background-color .16s ease;
}

.btn-outline:hover {
    color: #fff;
    border-color: var(--red);
    background: rgba(226, 18, 26, .12);
}

.btn-outline:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(226, 18, 26, .35);
}

.btn-outline--sm {
    padding: 9px 16px;
    font-size: 12.5px;
}

/* ---------------------------------------------------------
   Home banner
   --------------------------------------------------------- */

.corp-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(72px, 11vw, 140px) clamp(18px, 4vw, 48px);
    background:
        radial-gradient(ellipse at 80% 40%, rgba(226, 18, 26, .22), transparent 55%),
        url("../images/hero-bg.png") right center / auto 130% no-repeat,
        #000;
}

.corp-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, .94) 34%, rgba(0, 0, 0, .55) 70%, rgba(0, 0, 0, .35));
}

.corp-hero__inner {
    position: relative;
    max-width: 1140px;
    margin: 0 auto;
}

.corp-hero__eyebrow {
    margin: 0 0 18px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--red-bright);
}

.corp-hero__title {
    max-width: 760px;
    margin: 0 0 20px;
    font-size: clamp(34px, 5.4vw, 62px);
    font-weight: 800;
    line-height: 1.08;
    color: #fff;
}

.corp-hero__title span {
    display: block;
    color: var(--red-bright);
}

.corp-hero__supporting {
    max-width: 640px;
    margin: 0 0 12px;
    font-size: clamp(17px, 2vw, 21px);
    font-weight: 600;
    color: #fff;
}

.corp-hero__intro {
    max-width: 600px;
    margin: 0 0 34px;
    font-size: 15.5px;
    line-height: 1.75;
    color: var(--text-dim);
    text-align: justify;
}

.corp-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* ---------------------------------------------------------
   Page head (inner pages)
   --------------------------------------------------------- */

.corp-page-head {
    padding: clamp(48px, 7vw, 84px) clamp(18px, 4vw, 48px) 0;
    text-align: center;
}

.corp-page-head__title {
    margin: 0 auto 14px;
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 800;
    color: #fff;
}

.corp-page-head__title::after {
    content: "";
    display: block;
    width: 56px;
    height: 3px;
    margin: 14px auto 0;
    border-radius: 2px;
    background: var(--red);
}

.corp-page-head__lead {
    max-width: 780px;
    margin: 0 auto;
    font-size: 15.5px;
    line-height: 1.8;
    color: var(--text-dim);
}

/* ---------------------------------------------------------
   Sections
   --------------------------------------------------------- */

.corp-section {
    padding: clamp(48px, 7vw, 84px) clamp(18px, 4vw, 48px);
}

.corp-section--tint {
    background: var(--panel);
    border-top: 1px solid rgba(255, 255, 255, .05);
    border-bottom: 1px solid rgba(255, 255, 255, .05);
}

.corp-section__inner {
    max-width: 1140px;
    margin: 0 auto;
}

.corp-section__inner--narrow {
    max-width: 820px;
}

.corp-heading {
    margin: 0 0 18px;
    font-size: clamp(22px, 2.6vw, 30px);
    font-weight: 800;
    color: #fff;
}

.corp-heading::after {
    content: "";
    display: block;
    width: 44px;
    height: 3px;
    margin-top: 12px;
    border-radius: 2px;
    background: var(--red);
}

.corp-heading--center {
    text-align: center;
}

.corp-heading--center::after {
    margin-left: auto;
    margin-right: auto;
}

.corp-body {
    margin: 0 0 16px;
    font-size: 15.5px;
    line-height: 1.85;
    color: var(--text-dim);
    /* Corporate copy is fully justified per the approved formatting. */
    text-align: justify;
}

/* One-line lede under a solution heading — the approved short statement
   that also serves as the card text. */
.corp-lede {
    margin: 0 0 18px;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.6;
    color: #fff;
}

/* Emphasis inside the approved corporate copy reads white against the
   dimmed body text, matching the source document's bold passages. */
.corp-body strong {
    color: #fff;
    font-weight: 600;
}

.corp-body--center {
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* Awaiting final approved copy — reads as a formal notice, not an error. */
.corp-body--pending {
    padding: 18px 22px;
    background: rgba(255, 255, 255, .03);
    border: 1px dashed var(--field-border);
    border-radius: var(--radius);
    font-style: italic;
    color: var(--text-mute);
}

.corp-body--note {
    padding-left: 14px;
    border-left: 3px solid var(--red-line);
    font-size: 14px;
    color: var(--text-mute);
}

.corp-section__more {
    margin-top: 10px;
}

.corp-section__center {
    margin: 30px 0 0;
    text-align: center;
}

.corp-section__actions {
    margin: 26px 0 0;
}

/* ---------------------------------------------------------
   Solution cards
   --------------------------------------------------------- */

.solution-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-top: 34px;
}

.solution-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 30px 26px;
    background: var(--panel-2);
    border: 1px solid var(--red-line-soft);
    border-radius: var(--radius);
    transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}

.solution-card:hover {
    border-color: var(--red-line);
    box-shadow: 0 14px 34px rgba(0, 0, 0, .5), 0 0 24px rgba(226, 18, 26, .12);
    transform: translateY(-3px);
}

.solution-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 68px;
    height: 68px;
    border: 1px solid var(--red-line);
    border-radius: 50%;
    background: rgba(226, 18, 26, .1);
    color: var(--red-bright);
}

.solution-card__name {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

.solution-card__text {
    flex: 1;
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-dim);
    text-align: justify;
}

/* ---------------------------------------------------------
   Enterprise function list
   --------------------------------------------------------- */

.function-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 26px;
    margin: 6px 0 20px;
    padding: 0;
    list-style: none;
}

.function-list li {
    position: relative;
    padding-left: 20px;
    font-size: 14.5px;
    color: var(--text-dim);
}

.function-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--red);
}

/* ---------------------------------------------------------
   Client logos
   --------------------------------------------------------- */

.client-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
    margin: 34px 0 0;
    padding: 0;
    list-style: none;
}

/* Client artwork is supplied for light contexts, so each logo sits on its
   own white plate — same treatment as the registered-with ribbon. */
.client-logos__item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    background: #fff;
    border-radius: var(--radius-sm);
}

.client-logos__item img {
    display: block;
    height: 52px;
    width: auto;
    max-width: 190px;
    object-fit: contain;
}

/* ---------------------------------------------------------
   Events — home preview grid and full gallery
   --------------------------------------------------------- */

.event-grid--preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 34px;
}

.event-grid__photo {
    display: block;
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, .07);
}

/* Uniform tiles keep the gallery corporate and organized regardless of the
   mix of landscape, portrait, and square photographs — the enlarged viewer
   is where each photograph shows at its own aspect ratio. */
.event-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
    margin-top: 34px;
}

.event-gallery__item {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    margin: 0;
    padding: 0;
    background: var(--panel-2);
    border: 1px solid rgba(255, 255, 255, .07);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: zoom-in;
    transition: border-color .16s ease;
}

.event-gallery__item:hover,
.event-gallery__item:focus-visible {
    border-color: var(--red-line);
    outline: none;
}

.event-gallery__item[hidden] {
    display: none;
}

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

/* ---------------------------------------------------------
   Lightbox viewer
   --------------------------------------------------------- */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, .94);
    touch-action: pan-y;
}

.lightbox[hidden] {
    display: none;
}

.lightbox__photo {
    max-width: min(92vw, 1400px);
    max-height: 86vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.lightbox__close,
.lightbox__nav {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    transition: background-color .16s ease, border-color .16s ease;
}

.lightbox__close:hover,
.lightbox__nav:hover {
    background: rgba(226, 18, 26, .35);
    border-color: var(--red-line);
}

.lightbox__close:focus-visible,
.lightbox__nav:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(226, 18, 26, .5);
}

.lightbox__close {
    top: 18px;
    right: 18px;
    width: 44px;
    height: 44px;
    font-size: 26px;
    line-height: 1;
}

.lightbox__nav {
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    font-size: 30px;
    line-height: 1;
}

.lightbox__nav--prev {
    left: 18px;
}

.lightbox__nav--next {
    right: 18px;
}

/* ---------------------------------------------------------
   Mission / Vision and Values
   --------------------------------------------------------- */

.mv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
}

.mv-card {
    padding: 32px 30px;
    background: var(--panel-2);
    border: 1px solid var(--red-line-soft);
    border-top: 3px solid var(--red);
    border-radius: var(--radius);
}

.mv-card .corp-body {
    margin-bottom: 0;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 34px;
}

.value-card {
    padding: 26px 24px;
    background: var(--panel-2);
    border: 1px solid rgba(255, 255, 255, .07);
    border-radius: var(--radius);
    transition: border-color .16s ease;
}

.value-card:hover {
    border-color: var(--red-line-soft);
}

.value-card__name {
    margin: 0 0 10px;
    font-size: 16px;
    font-weight: 700;
    color: var(--red-bright);
}

.value-card__text {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-dim);
    text-align: justify;
}

/* ---------------------------------------------------------
   Officers and the Exclusive Channel Partner
   --------------------------------------------------------- */

.officer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.officer-card {
    padding: 28px 26px;
    background: var(--panel-2);
    border: 1px solid rgba(255, 255, 255, .07);
    border-radius: var(--radius);
}

.officer-card__photo {
    display: block;
    width: 128px;
    height: 128px;
    margin-bottom: 16px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--red-line);
}

.officer-card__name {
    margin: 0 0 4px;
    font-size: 17px;
    font-weight: 700;
    color: #fff;
}

.officer-card__position {
    margin: 0 0 12px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--red-bright);
}

.officer-card__profile {
    margin: 0 0 12px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-dim);
    text-align: justify;
}

.officer-card__areas {
    margin: 0 0 12px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-mute);
}

.officer-card__link {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--red-bright);
}

.officer-card__link:hover {
    text-decoration: underline;
}

/* A separate corporate entity — deliberately a different shape from the
   officer cards above it. */
.partner-card {
    display: flex;
    align-items: center;
    gap: 34px;
    margin-top: 30px;
    padding: 36px 34px;
    background: var(--panel-2);
    border: 1px solid var(--red-line-soft);
    border-radius: var(--radius);
}

.partner-card__logo {
    flex: none;
    width: 120px;
    height: auto;
}

.partner-card__name {
    margin: 0 0 4px;
    font-size: 19px;
    font-weight: 800;
    color: #fff;
}

.partner-card__designation {
    margin: 0 0 14px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--red-bright);
}

.partner-card__text {
    margin: 0;
    font-size: 14.5px;
    line-height: 1.75;
    color: var(--text-dim);
    text-align: justify;
}

.partner-card__link {
    display: inline-block;
    margin-top: 14px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--red-bright);
}

.partner-card__link:hover {
    text-decoration: underline;
}

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

.channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.channel-card {
    padding: 26px 24px;
    background: var(--panel-2);
    border: 1px solid rgba(255, 255, 255, .07);
    border-radius: var(--radius);
}

.channel-card__name {
    margin: 0 0 10px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--red-bright);
}

.channel-card__value {
    display: inline-block;
    margin: 0;
    font-size: 14.5px;
    font-weight: 600;
    color: #fff;
    overflow-wrap: anywhere;
}

a.channel-card__value:hover {
    color: var(--red-bright);
}

/* Honeypot — parked far off-screen, not display:none, so naive bots still
   fill it in. */
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ---------------------------------------------------------
   Final call to action
   --------------------------------------------------------- */

.corp-cta {
    padding: clamp(56px, 8vw, 96px) clamp(18px, 4vw, 48px);
    background:
        radial-gradient(ellipse at 50% 120%, rgba(226, 18, 26, .28), transparent 60%),
        var(--panel);
    border-top: 1px solid var(--red-line-soft);
}

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

.corp-footer {
    background: #000;
    border-top: 1px solid rgba(255, 255, 255, .07);
}

.corp-footer__grid {
    display: grid;
    /* The brand column never squeezes below what the corporate name and
       tagline need on one line each. */
    grid-template-columns: minmax(300px, 1.6fr) repeat(4, 1fr);
    gap: 36px;
    max-width: 1240px;
    margin: 0 auto;
    padding: clamp(40px, 6vw, 64px) clamp(18px, 4vw, 48px);
}

.corp-footer__brand img {
    display: block;
    height: 52px;
    width: auto;
    margin-bottom: 16px;
}

.corp-footer__legal-name {
    margin: 0 0 6px;
    font-size: 13.5px;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
}

.corp-footer__tagline {
    margin: 0;
    font-size: 13px;
    color: var(--text-mute);
    /* The tagline reads as one line — never with "Business." pushed down. */
    white-space: nowrap;
}

.corp-footer__col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

/* Section headings sit above their links in the hierarchy — larger and
   more prominent than the links beneath them, never the other way around. */
.corp-footer__col h3 {
    margin: 0 0 6px;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--red-bright);
}

.corp-footer__col-gap {
    margin-top: 18px !important;
}

.corp-footer__col a,
.corp-footer__col span {
    font-size: 13px;
    color: var(--text-dim);
}

.corp-footer__col a:hover {
    color: #fff;
}

.corp-footer__bar {
    padding: 18px clamp(18px, 4vw, 48px);
    border-top: 1px solid rgba(255, 255, 255, .07);
    text-align: center;
    font-size: 13px;
    color: var(--text-mute);
}

/* ---------------------------------------------------------
   Responsive
   --------------------------------------------------------- */

@media (max-width: 1220px) {
    .corp-footer__grid {
        grid-template-columns: 1fr 1fr 1fr;
    }

    .corp-footer__brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 1024px) {
    .corp-header__burger {
        display: flex;
    }

    /* The nav becomes a full-width panel under the header bar. */
    .corp-nav {
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 10px 18px 20px;
        background: rgba(0, 0, 0, .97);
        border-bottom: 1px solid rgba(255, 255, 255, .09);
    }

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

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

    .corp-nav__link {
        display: block;
        padding: 13px 4px;
        font-size: 15px;
        border-bottom: 1px solid rgba(255, 255, 255, .06);
    }

    .corp-nav__link.is-active::after {
        display: none;
    }

    .corp-nav__link.is-active {
        color: var(--red-bright);
    }

    .corp-nav__demo {
        margin-top: 16px;
        text-align: center;
    }

    .solution-cards,
    .value-grid,
    .officer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .event-grid--preview {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 860px) {
    .corp-hero {
        background-position: 70% center;
    }

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

    .partner-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }
}

@media (max-width: 640px) {
    .solution-cards,
    .value-grid,
    .officer-grid,
    .function-list,
    .event-grid--preview {
        grid-template-columns: 1fr;
    }

    .event-grid__photo {
        height: 200px;
    }

    .corp-footer__grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .corp-hero__actions .btn-cta,
    .corp-hero__actions .btn-outline {
        width: 100%;
        text-align: center;
    }
}

/* Only the very narrowest phones get to wrap the brand lines — anything
   wider keeps the corporate name and tagline whole. */
@media (max-width: 380px) {
    .corp-footer__legal-name,
    .corp-footer__tagline {
        white-space: normal;
    }
}