/* ============================================================
   DNM44 — Fiber Optics Service Page
   Uses variables and shared components from base.css
============================================================ */

.fiber-page {
    overflow: hidden;
}

/* ============================================================
   Hero
============================================================ */
.fiber-hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-block: calc(var(--header-h) + 24px) clamp(72px, 8vw, 104px);
    background: #04060c;
    isolation: isolate;
}

@media (max-width: 768px) {
    .fiber-hero {
        padding-block: calc(var(--header-h) + clamp(54px, 8vw, 94px)) clamp(72px, 8vw, 104px);
    }
}

.fiber-hero__media,
.fiber-hero__glow,
.fiber-hero__gridlines {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.fiber-hero__media {
    z-index: -4;
}

.fiber-hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: .33;
    filter: saturate(.78) contrast(1.1);
}

.fiber-hero__media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(4, 6, 12, .98) 0%, rgba(4, 6, 12, .92) 42%, rgba(4, 6, 12, .68) 72%, rgba(4, 6, 12, .84) 100%),
    linear-gradient(180deg, rgba(4, 6, 12, .68), transparent 28%, transparent 65%, #04060c 100%);
}

.fiber-hero__glow {
    z-index: -3;
    background: radial-gradient(circle at 74% 42%, rgba(63, 212, 255, .15), transparent 23%),
    radial-gradient(circle at 58% 65%, rgba(77, 141, 255, .11), transparent 30%);
}

.fiber-hero__gridlines {
    z-index: -2;
    opacity: .5;
    background-image: linear-gradient(rgba(146, 168, 220, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(146, 168, 220, .055) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: linear-gradient(to bottom, #000, rgba(0, 0, 0, .7) 55%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000, rgba(0, 0, 0, .7) 55%, transparent 100%);
}

.fiber-hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(340px, .82fr);
    align-items: center;
    gap: clamp(52px, 7vw, 96px);
    width: 100%;
}

.fiber-hero__copy {
    max-width: 760px;
}

.fiber-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 13px;
    margin-bottom: 24px;
    border-radius: 999px;
    border: 1px solid rgba(63, 212, 255, .25);
    background: rgba(63, 212, 255, .055);
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: .67rem;
    font-weight: 500;
    letter-spacing: .18em;
}

.fiber-kicker__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 0 4px rgba(63, 212, 255, .09), 0 0 18px rgba(63, 212, 255, .8);
    animation: fiber-status 2s ease-in-out infinite;
}

@keyframes fiber-status {
    50% {
        opacity: .45;
        box-shadow: 0 0 0 7px rgba(63, 212, 255, .03);
    }
}

.fiber-hero h1 {
    max-width: 780px;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.6rem);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -.04em;
}

.fiber-hero__lede {
    max-width: 680px;
    margin-top: 28px;
    color: var(--muted);
    font-size: clamp(1rem, 1.4vw, 1.12rem);
    line-height: 1.78;
}

.fiber-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.fiber-hero__metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 42px;
    padding-top: 28px;
    border-top: 1px solid var(--line);
}

.fiber-metric {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.fiber-metric__icon {
    flex: none;
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    border: 1px solid rgba(63, 212, 255, .18);
    background: rgba(63, 212, 255, .05);
    color: var(--cyan);
}

.fiber-metric div {
    min-width: 0;
}

.fiber-metric strong,
.fiber-metric span {
    display: block;
}

.fiber-metric strong {
    font-family: var(--font-display);
    font-size: .86rem;
    line-height: 1.25;
}

.fiber-metric span {
    margin-top: 3px;
    color: var(--muted-2);
    font-size: .68rem;
    line-height: 1.35;
}

.fiber-signal-card {
    position: relative;
    width: min(100%, 470px);
    justify-self: end;
    padding: 24px;
    border: 1px solid rgba(146, 168, 220, .22);
    border-radius: 24px;
    background: linear-gradient(145deg, rgba(16, 26, 46, .82), rgba(6, 10, 19, .66));
    box-shadow: 0 35px 80px -34px rgba(0, 0, 0, .9), inset 0 1px rgba(255, 255, 255, .035);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.fiber-signal-card::before,
.fiber-signal-card::after {
    content: "";
    position: absolute;
    width: 24px;
    height: 24px;
    pointer-events: none;
}

.fiber-signal-card::before {
    top: -1px;
    left: -1px;
    border-top: 2px solid var(--cyan);
    border-left: 2px solid var(--cyan);
    border-radius: 22px 0 0;
}

.fiber-signal-card::after {
    right: -1px;
    bottom: -1px;
    border-right: 2px solid var(--blue);
    border-bottom: 2px solid var(--blue);
    border-radius: 0 0 22px;
}

.fiber-signal-card__top {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: .64rem;
    letter-spacing: .12em;
    color: var(--muted);
}

.fiber-signal-card__top > span:first-child i {
    margin-right: 8px;
    color: var(--cyan);
}

.fiber-signal-card__live {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #72ebba;
}

.fiber-signal-card__live i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 10px currentColor;
}

.fiber-route {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 58px 2px 50px;
}

.fiber-route__node {
    flex: none;
    text-align: center;
}

.fiber-route__icon {
    width: 68px;
    height: 68px;
    display: grid;
    place-items: center;
    border-radius: 19px;
    color: var(--cyan);
    border: 1px solid rgba(63, 212, 255, .28);
    background: radial-gradient(circle at 50% 15%, rgba(63, 212, 255, .16), rgba(7, 11, 20, .82) 70%);
    box-shadow: 0 0 30px rgba(63, 212, 255, .08);
}

.fiber-route__node:nth-of-type(3) .fiber-route__icon {
    color: var(--blue);
    border-color: rgba(77, 141, 255, .3);
}

.fiber-route__node:nth-of-type(5) .fiber-route__icon {
    color: #dce7ff;
}

.fiber-route__node small {
    display: block;
    margin-top: 10px;
    color: var(--muted-2);
    font-family: var(--font-mono);
    font-size: .57rem;
    letter-spacing: .15em;
}

.fiber-route__line {
    position: relative;
    flex: 1;
    height: 1px;
    margin: 0 5px 24px;
    background: rgba(146, 168, 220, .18);
    overflow: hidden;
}

.fiber-route__line span {
    position: absolute;
    inset-block: -1px;
    width: 42%;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    filter: drop-shadow(0 0 6px var(--cyan));
    animation: fiber-packet 2.1s linear infinite;
}

.fiber-route__line:nth-of-type(4) span {
    animation-delay: .55s;
}

@keyframes fiber-packet {
    from {
        left: -45%;
    }
    to {
        left: 105%;
    }
}

.fiber-signal-card__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
}

.fiber-signal-card__stats div {
    padding: 17px 10px 2px;
    text-align: center;
    border-left: 1px solid var(--line);
}

.fiber-signal-card__stats div:first-child {
    border-left: 0;
}

.fiber-signal-card__stats span,
.fiber-signal-card__stats strong {
    display: block;
}

.fiber-signal-card__stats span {
    color: var(--muted-2);
    font-family: var(--font-mono);
    font-size: .5rem;
    letter-spacing: .1em;
}

.fiber-signal-card__stats strong {
    margin-top: 4px;
    color: var(--text);
    font-family: var(--font-display);
    font-size: .74rem;
}

.fiber-hero__beam {
    position: absolute;
    inset: auto 0 0;
    height: 1px;
    background: var(--line);
}

.fiber-hero__beam span {
    position: absolute;
    top: -1px;
    left: -20%;
    width: 20%;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, transparent, var(--blue), var(--cyan), transparent);
    filter: drop-shadow(0 0 9px var(--cyan));
    animation: fiber-beam 5.5s linear infinite;
}

@keyframes fiber-beam {
    to {
        left: 110%;
    }
}

/* entrance */
.fiber-enter {
    opacity: 0;
    transform: translateY(18px);
    animation: fiber-enter .75s cubic-bezier(.2, .7, .2, 1) forwards;
}

.fiber-enter.d1 {
    animation-delay: .05s;
}

.fiber-enter.d2 {
    animation-delay: .13s;
}

.fiber-enter.d3 {
    animation-delay: .21s;
}

.fiber-enter.d4 {
    animation-delay: .29s;
}

.fiber-enter.d5 {
    animation-delay: .38s;
}

.fiber-enter.d6 {
    animation-delay: .47s;
}

@keyframes fiber-enter {
    to {
        opacity: 1;
        transform: none;
    }
}

/* ============================================================
   Intro / What is fiber
============================================================ */
.fiber-intro {
    position: relative;
}

.fiber-intro::before {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    left: -310px;
    top: 90px;
    background: rgba(77, 141, 255, .055);
    filter: blur(10px);
    pointer-events: none;
}

.fiber-intro__grid {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
    gap: clamp(54px, 8vw, 110px);
    align-items: center;
}

.fiber-intro__copy .section-title {
    max-width: 650px;
}

.fiber-intro__lead {
    margin-top: 24px;
    color: var(--text);
    font-size: 1.06rem;
    line-height: 1.8;
}

.fiber-intro__copy > p:not(.fiber-intro__lead) {
    margin-top: 16px;
    color: var(--muted);
}

.fiber-definition {
    display: flex;
    gap: 16px;
    margin-top: 28px;
    padding: 18px 20px;
    border: 1px solid rgba(63, 212, 255, .18);
    border-radius: var(--radius-sm);
    background: rgba(63, 212, 255, .045);
}

.fiber-definition__icon {
    flex: none;
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(63, 212, 255, .1);
    color: var(--cyan);
}

.fiber-definition strong {
    font-family: var(--font-display);
    font-size: .9rem;
}

.fiber-definition p {
    margin-top: 4px;
    color: var(--muted);
    font-size: .88rem;
}

.fiber-anatomy {
    padding: 24px;
    border: 1px solid var(--line-strong);
    border-radius: 24px;
    background: radial-gradient(circle at 75% 0%, rgba(77, 141, 255, .12), transparent 36%),
    linear-gradient(145deg, rgba(16, 26, 46, .66), rgba(7, 11, 20, .88));
    box-shadow: 0 28px 70px -45px rgba(0, 0, 0, .9);
}

.fiber-anatomy__head,
.fiber-anatomy__flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.fiber-anatomy__head {
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: .61rem;
    letter-spacing: .14em;
}

.fiber-anatomy__code {
    color: var(--muted-2);
}

.fiber-anatomy__visual {
    position: relative;
    min-height: 340px;
    display: grid;
    align-content: center;
    gap: 44px;
    padding: 28px 16px;
}

.fiber-cable {
    position: relative;
    height: 92px;
    border-radius: 999px;
    background: #09101d;
    box-shadow: 0 15px 35px rgba(0, 0, 0, .32);
    overflow: hidden;
}

.fiber-cable__jacket,
.fiber-cable__cladding,
.fiber-cable__core,
.fiber-cable__light {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 999px;
}

.fiber-cable__jacket {
    inset-inline: 0;
    height: 92px;
    border: 1px solid rgba(146, 168, 220, .24);
    background: linear-gradient(180deg, #141e33, #080d18);
}

.fiber-cable__cladding {
    left: 18px;
    right: 18px;
    height: 50px;
    background: linear-gradient(180deg, #28476a, #14263c);
    border: 1px solid rgba(117, 175, 219, .27);
}

.fiber-cable__core {
    left: 31px;
    right: 31px;
    height: 16px;
    background: linear-gradient(180deg, #d9faff, #56c9ef);
    box-shadow: 0 0 20px rgba(63, 212, 255, .36);
}

.fiber-cable__light {
    left: -28%;
    width: 28%;
    height: 8px;
    background: linear-gradient(90deg, transparent, #fff, var(--cyan), transparent);
    filter: drop-shadow(0 0 9px var(--cyan));
    animation: fiber-core-light 2.25s linear infinite;
}

@keyframes fiber-core-light {
    to {
        left: 100%;
    }
}

.fiber-anatomy__labels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.fiber-anatomy__labels span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: .59rem;
    letter-spacing: .05em;
}

.fiber-anatomy__labels i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--muted-2);
}

.fiber-anatomy__labels span:nth-child(2) i {
    background: #5d91bd;
}

.fiber-anatomy__labels span:nth-child(3) i {
    background: var(--cyan);
    box-shadow: 0 0 9px var(--cyan);
}

.fiber-anatomy__flow {
    gap: 12px;
    padding-top: 19px;
    border-top: 1px solid var(--line);
}

.fiber-anatomy__flow > div {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    font-size: .78rem;
}

.fiber-anatomy__flow > div i {
    color: var(--cyan);
}

.fiber-anatomy__flow > i {
    color: var(--muted-2);
    font-size: .7rem;
}

/* ============================================================
   Benefits bento
============================================================ */
.fiber-benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.fiber-benefit-card {
    position: relative;
    min-height: 260px;
    padding: 26px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(145deg, rgba(16, 26, 46, .58), rgba(7, 11, 20, .72));
    transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.fiber-benefit-card:hover {
    transform: translateY(-5px);
    border-color: rgba(63, 212, 255, .32);
    box-shadow: 0 24px 46px -32px rgba(63, 212, 255, .32);
}

.fiber-benefit-card::after {
    content: "";
    position: absolute;
    width: 150px;
    height: 150px;
    right: -80px;
    top: -80px;
    border-radius: 50%;
    background: rgba(63, 212, 255, .055);
    pointer-events: none;
}

.fiber-benefit-card__number {
    position: absolute;
    top: 20px;
    right: 22px;
    color: rgba(146, 168, 220, .2);
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .12em;
}

.fiber-benefit-card__icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    margin-bottom: 30px;
    border-radius: 13px;
    border: 1px solid rgba(63, 212, 255, .2);
    background: rgba(63, 212, 255, .06);
    color: var(--cyan);
}

.fiber-benefit-card h3 {
    max-width: 300px;
    font-family: var(--font-display);
    font-size: 1.17rem;
    line-height: 1.3;
}

.fiber-benefit-card p {
    margin-top: 10px;
    color: var(--muted);
    font-size: .89rem;
}

.fiber-benefit-card--feature {
    grid-row: span 2;
    min-height: 536px;
    background: radial-gradient(circle at 40% 86%, rgba(63, 212, 255, .12), transparent 34%),
    linear-gradient(145deg, rgba(16, 26, 46, .72), rgba(7, 11, 20, .82));
}

.fiber-benefit-card--feature h3 {
    margin-top: 28px;
    font-size: 1.55rem;
}

.fiber-speed-viz {
    position: absolute;
    inset: auto 24px 26px;
    height: 190px;
    display: flex;
    align-items: flex-end;
    gap: 9px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(146, 168, 220, .17);
}

.fiber-speed-viz::before,
.fiber-speed-viz::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(146, 168, 220, .08);
}

.fiber-speed-viz::before {
    top: 33%;
}

.fiber-speed-viz::after {
    top: 66%;
}

.fiber-speed-viz span {
    flex: 1;
    height: 40%;
    border-radius: 6px 6px 1px 1px;
    background: linear-gradient(to top, rgba(77, 141, 255, .12), var(--cyan));
    box-shadow: 0 -5px 14px rgba(63, 212, 255, .08);
    animation: fiber-bars 2.2s ease-in-out infinite alternate;
}

.fiber-speed-viz span:nth-child(2) {
    height: 54%;
    animation-delay: .12s;
}

.fiber-speed-viz span:nth-child(3) {
    height: 72%;
    animation-delay: .24s;
}

.fiber-speed-viz span:nth-child(4) {
    height: 87%;
    animation-delay: .36s;
}

.fiber-speed-viz span:nth-child(5) {
    height: 100%;
    animation-delay: .48s;
}

@keyframes fiber-bars {
    to {
        transform: scaleY(.84);
        transform-origin: bottom;
        opacity: .68;
    }
}

.fiber-benefit-card--wide {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 40px;
    align-items: center;
}

.fiber-benefit-card--wide .fiber-benefit-card__icon {
    margin-bottom: 18px;
}

.fiber-scale {
    height: 145px;
    display: flex;
    align-items: end;
    gap: 8px;
    padding: 18px;
    border-left: 1px solid var(--line);
}

.fiber-scale span {
    flex: 1;
    height: var(--h);
    min-height: 20px;
    border-radius: 5px 5px 1px 1px;
    background: linear-gradient(to top, rgba(77, 141, 255, .14), rgba(63, 212, 255, .8));
}

/* ============================================================
   Services rows
============================================================ */
.fiber-section-row {
    display: grid;
    grid-template-columns: 1fr minmax(300px, .56fr);
    gap: 60px;
    align-items: end;
    margin-bottom: clamp(40px, 6vw, 64px);
}

.fiber-section-row > p {
    color: var(--muted);
}

.fiber-service-list {
    border-top: 1px solid var(--line);
}

.fiber-service-row {
    display: grid;
    grid-template-columns: 54px 58px 1fr auto;
    gap: 24px;
    align-items: center;
    min-height: 148px;
    padding: 24px 8px;
    border-bottom: 1px solid var(--line);
    transition: padding .3s ease, background .3s ease, border-color .3s ease;
}

.fiber-service-row:hover {
    padding-inline: 18px;
    background: linear-gradient(90deg, rgba(63, 212, 255, .045), transparent 78%);
    border-bottom-color: rgba(63, 212, 255, .23);
}

.fiber-service-row__num {
    color: var(--muted-2);
    font-family: var(--font-mono);
    font-size: .68rem;
    letter-spacing: .12em;
}

.fiber-service-row__icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: rgba(77, 141, 255, .07);
    border: 1px solid rgba(77, 141, 255, .18);
    color: var(--cyan);
}

.fiber-service-row__body h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
}

.fiber-service-row__body p {
    max-width: 720px;
    margin-top: 5px;
    color: var(--muted);
    font-size: .88rem;
}

.fiber-service-row__tag {
    padding: 7px 10px;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    color: var(--muted-2);
    font-family: var(--font-mono);
    font-size: .54rem;
    letter-spacing: .12em;
}

/* ============================================================
   Process
============================================================ */
.fiber-process__rail {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 12px;
}

.fiber-process__rail::before {
    content: "";
    position: absolute;
    left: 10%;
    right: 10%;
    top: 57px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(63, 212, 255, .42), rgba(77, 141, 255, .35), transparent);
}

.fiber-process-step {
    position: relative;
    padding: 0 24px 18px;
    text-align: center;
}

.fiber-process-step__index {
    display: block;
    margin-bottom: 11px;
    color: var(--muted-2);
    font-family: var(--font-mono);
    font-size: .58rem;
    letter-spacing: .16em;
}

.fiber-process-step__dot {
    position: relative;
    z-index: 2;
    width: 66px;
    height: 66px;
    display: grid;
    place-items: center;
    margin: 0 auto 21px;
    border-radius: 50%;
    border: 1px solid rgba(63, 212, 255, .3);
    background: var(--bg-1);
    color: var(--cyan);
    box-shadow: 0 0 0 8px var(--bg-1), 0 0 24px rgba(63, 212, 255, .07);
}

.fiber-process-step h3 {
    font-family: var(--font-display);
    font-size: 1rem;
}

.fiber-process-step p {
    max-width: 240px;
    margin: 8px auto 0;
    color: var(--muted);
    font-size: .84rem;
}

/* ============================================================
   Use cases
============================================================ */
.fiber-usecases__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(370px, .95fr);
    gap: clamp(48px, 7vw, 88px);
    align-items: center;
}

.fiber-usecases__visual {
    position: relative;
    min-height: 610px;
    overflow: hidden;
    border-radius: 24px;
    border: 1px solid var(--line-strong);
    background: var(--card);
}

.fiber-usecases__visual::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(4, 6, 12, .94), rgba(4, 6, 12, .08) 64%);
}

.fiber-usecases__visual img {
    width: 100%;
    height: 100%;
    position: absolute;
    object-fit: cover;
    opacity: .78;
}

.fiber-usecases__overlay {
    position: absolute;
    z-index: 2;
    left: 30px;
    right: 30px;
    bottom: 30px;
}

.fiber-usecases__overlay span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 13px;
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: .59rem;
    letter-spacing: .14em;
}

.fiber-usecases__overlay span i {
    font-size: .42rem;
    filter: drop-shadow(0 0 5px var(--cyan));
}

.fiber-usecases__overlay strong {
    display: block;
    max-width: 470px;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.2vw, 2.75rem);
    line-height: 1.08;
    letter-spacing: -.03em;
}

.fiber-usecases__corner {
    position: absolute;
    z-index: 3;
    width: 38px;
    height: 38px;
}

.fiber-usecases__corner--a {
    top: 16px;
    left: 16px;
    border-top: 1px solid var(--cyan);
    border-left: 1px solid var(--cyan);
}

.fiber-usecases__corner--b {
    right: 16px;
    bottom: 16px;
    border-right: 1px solid var(--cyan);
    border-bottom: 1px solid var(--cyan);
}

.fiber-usecase-list {
    display: grid;
    gap: 7px;
    margin-top: 28px;
}

.fiber-usecase-list > div {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 15px;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid var(--line);
}

.fiber-usecase-list > div > i {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    border: 1px solid rgba(63, 212, 255, .17);
    background: rgba(63, 212, 255, .045);
    color: var(--cyan);
}

.fiber-usecase-list span,
.fiber-usecase-list strong {
    display: block;
}

.fiber-usecase-list strong {
    color: var(--text);
    font-family: var(--font-display);
    font-size: .9rem;
}

.fiber-usecase-list span {
    color: var(--muted);
    font-size: .8rem;
}

/* ============================================================
   Quality
============================================================ */
.fiber-quality {
    padding-bottom: clamp(84px, 9vw, 128px);
}

.fiber-quality__panel {
    position: relative;
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: clamp(44px, 7vw, 82px);
    align-items: center;
    overflow: hidden;
    padding: clamp(34px, 5vw, 64px);
    border-radius: 26px;
    border: 1px solid rgba(63, 212, 255, .2);
    background: radial-gradient(circle at 90% 10%, rgba(63, 212, 255, .10), transparent 28%),
    linear-gradient(145deg, #0d1728, #070b14);
}

.fiber-quality__panel::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: .33;
    background-image: linear-gradient(rgba(146, 168, 220, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(146, 168, 220, .04) 1px, transparent 1px);
    background-size: 42px 42px;
}

.fiber-quality__copy,
.fiber-quality__console {
    position: relative;
    z-index: 1;
}

.fiber-quality__label {
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: .62rem;
    letter-spacing: .18em;
}

.fiber-quality h2 {
    margin-top: 16px;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.75rem);
    line-height: 1.12;
    letter-spacing: -.03em;
}

.fiber-quality__copy > p {
    margin-top: 18px;
    color: var(--muted);
}

.fiber-quality__checks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 16px;
    margin-top: 24px;
}

.fiber-quality__checks span {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--muted);
    font-size: .82rem;
}

.fiber-quality__checks i {
    color: var(--cyan);
    font-size: .72rem;
}

.fiber-quality__console {
    border: 1px solid rgba(146, 168, 220, .24);
    border-radius: 18px;
    overflow: hidden;
    background: rgba(3, 6, 12, .68);
    box-shadow: 0 30px 70px -35px rgba(0, 0, 0, .95);
}

.fiber-console__top,
.fiber-console__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 12px 15px;
    color: var(--muted-2);
    font-family: var(--font-mono);
    font-size: .5rem;
    letter-spacing: .12em;
}

.fiber-console__top {
    border-bottom: 1px solid var(--line);
}

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

.fiber-console__footer span:first-child {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #72ebba;
}

.fiber-console__footer i {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: currentColor;
}

.fiber-console__screen {
    position: relative;
    height: 235px;
    overflow: hidden;
}

.fiber-console__grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(63, 212, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63, 212, 255, .06) 1px, transparent 1px);
    background-size: 28px 28px;
}

.fiber-console__screen svg {
    position: absolute;
    inset: 22px 12px;
    width: calc(100% - 24px);
    height: calc(100% - 44px);
    overflow: visible;
}

.fiber-console__path {
    fill: none;
    stroke: var(--cyan);
    stroke-width: 2;
    vector-effect: non-scaling-stroke;
    filter: drop-shadow(0 0 6px rgba(63, 212, 255, .7));
    stroke-dasharray: 8 8;
    animation: fiber-dash 3s linear infinite;
}

@keyframes fiber-dash {
    to {
        stroke-dashoffset: -64;
    }
}

.fiber-console__pulse {
    position: absolute;
    top: 30%;
    left: 16%;
    width: 8px;
    height: 8px;
    border: 2px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 5px rgba(63, 212, 255, .14), 0 0 18px var(--cyan);
    animation: console-pulse 2s ease-in-out infinite;
}

@keyframes console-pulse {
    50% {
        opacity: .4;
        transform: scale(.72);
    }
}

/* contact enhancement */
.fiber-form-head {
    display: flex;
    align-items: center;
    gap: 13px;
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.fiber-form-head__icon {
    flex: none;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    border: 1px solid rgba(63, 212, 255, .2);
    background: rgba(63, 212, 255, .06);
    color: var(--cyan);
}

.fiber-form-head strong,
.fiber-form-head span {
    display: block;
}

.fiber-form-head strong {
    font-family: var(--font-display);
    font-size: 1rem;
}

.fiber-form-head div > span {
    margin-top: 2px;
    color: var(--muted-2);
    font-size: .78rem;
}

/* ============================================================
   Responsive
============================================================ */
@media (max-width: 1100px) {
    .fiber-hero__inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .fiber-signal-card {
        justify-self: start;
        width: min(100%, 620px);
    }

    .fiber-intro__grid {
        grid-template-columns: 1fr;
    }

    .fiber-anatomy {
        width: 100%;
    }

    .fiber-benefit-grid {
        grid-template-columns: 1fr 1fr;
    }

    .fiber-benefit-card--feature {
        grid-row: span 2;
    }

    .fiber-benefit-card--wide {
        grid-column: span 2;
    }

    .fiber-usecases__grid {
        grid-template-columns: 1fr;
    }

    .fiber-usecases__visual {
        min-height: 480px;
    }

    .fiber-quality__panel {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 820px) {
    .fiber-hero h1 {
        font-size: clamp(3rem, 12vw, 5.2rem);
    }

    .fiber-hero__metrics {
        grid-template-columns: 1fr;
    }

    .fiber-metric {
        padding: 10px 0;
        border-bottom: 1px solid var(--line);
    }

    .fiber-section-row {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .fiber-service-row {
        grid-template-columns: 42px 52px 1fr;
        gap: 16px;
    }

    .fiber-service-row__tag {
        grid-column: 3;
        justify-self: start;
    }

    .fiber-process__rail {
        grid-template-columns: 1fr 1fr;
        gap: 36px 0;
    }

    .fiber-process__rail::before {
        display: none;
    }

    .fiber-quality__checks {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .fiber-hero {
        min-height: auto;
        padding-top: calc(var(--header-h) + 44px);
    }

    .fiber-hero__media img {
        object-position: 66% center;
        opacity: .24;
    }

    .fiber-hero h1 {
        font-size: clamp(2.75rem, 15vw, 4.3rem);
        letter-spacing: -.055em;
    }

    .fiber-hero__lede {
        margin-top: 22px;
    }

    .fiber-hero__actions {
        margin-top: 28px;
    }

    .fiber-hero__actions .btn {
        width: 100%;
    }

    .fiber-signal-card {
        padding: 18px;
        border-radius: 19px;
    }

    .fiber-signal-card__top {
        font-size: .54rem;
    }

    .fiber-route {
        padding-block: 44px 34px;
    }

    .fiber-route__icon {
        width: 50px;
        height: 50px;
        border-radius: 15px;
    }

    .fiber-route__node small {
        font-size: .48rem;
    }

    .fiber-signal-card__stats {
        grid-template-columns: 1fr;
    }

    .fiber-signal-card__stats div {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 11px 4px;
        border-left: 0;
        border-top: 1px solid var(--line);
        text-align: left;
    }

    .fiber-signal-card__stats div:first-child {
        border-top: 0;
    }

    .fiber-signal-card__stats strong {
        margin-top: 0;
    }

    .fiber-anatomy {
        padding: 18px;
        border-radius: 18px;
    }

    .fiber-anatomy__head {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
    }

    .fiber-anatomy__visual {
        min-height: 300px;
        padding-inline: 0;
    }

    .fiber-anatomy__labels {
        grid-template-columns: 1fr;
    }

    .fiber-anatomy__flow {
        justify-content: center;
    }

    .fiber-anatomy__flow > div {
        flex-direction: column;
        gap: 4px;
        text-align: center;
        font-size: .65rem;
    }

    .fiber-benefit-grid {
        grid-template-columns: 1fr;
    }

    .fiber-benefit-card,
    .fiber-benefit-card--feature {
        min-height: 250px;
        grid-row: auto;
    }

    .fiber-benefit-card--feature {
        min-height: 480px;
    }

    .fiber-benefit-card--wide {
        grid-column: auto;
        grid-template-columns: 1fr;
    }

    .fiber-scale {
        border-left: 0;
        border-top: 1px solid var(--line);
    }

    .fiber-service-row {
        grid-template-columns: 38px 1fr;
        align-items: start;
        min-height: 0;
        padding-block: 26px;
    }

    .fiber-service-row__icon {
        grid-column: 1;
        grid-row: 2;
        width: 38px;
        height: 38px;
        border-radius: 11px;
    }

    .fiber-service-row__body {
        grid-column: 2;
        grid-row: 1 / span 2;
    }

    .fiber-service-row__tag {
        display: none;
    }

    .fiber-process__rail {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .fiber-process-step {
        padding-inline: 6px;
    }

    .fiber-usecases__visual {
        min-height: 410px;
        border-radius: 18px;
    }

    .fiber-usecases__overlay {
        left: 22px;
        right: 22px;
        bottom: 22px;
    }

    .fiber-quality__panel {
        padding: 25px 20px;
        border-radius: 20px;
    }

    .fiber-console__screen {
        height: 180px;
    }

    .fiber-console__footer {
        flex-wrap: wrap;
    }
}

@media (max-width: 390px) {
    .fiber-kicker {
        font-size: .58rem;
        letter-spacing: .13em;
    }

    .fiber-route__line {
        margin-inline: 2px;
    }

    .fiber-route__icon {
        width: 44px;
        height: 44px;
    }

    .fiber-usecase-list > div {
        grid-template-columns: 40px 1fr;
    }

    .fiber-usecase-list > div > i {
        width: 38px;
        height: 38px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .fiber-enter {
        opacity: 1;
        transform: none;
        animation: none;
    }

    .fiber-kicker__dot,
    .fiber-route__line span,
    .fiber-hero__beam span,
    .fiber-cable__light,
    .fiber-speed-viz span,
    .fiber-console__path,
    .fiber-console__pulse {
        animation: none !important;
    }
}

/* ============================================================
   Customer-specific FTTH / FTTO content
============================================================ */
.fiber-hero__subtitle {
    max-width: 760px;
    margin-top: 18px;
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 2.1vw, 1.75rem);
    line-height: 1.3;
    letter-spacing: -.02em;
    color: var(--text);
}

.fiber-hero__lede--secondary {
    margin-top: 14px;
    font-size: .96rem;
    line-height: 1.72;
}

.fiber-operations {
    position: relative;
    isolation: isolate;
}

.fiber-operations::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(circle at 12% 18%, rgba(63, 212, 255, .06), transparent 24%),
    radial-gradient(circle at 88% 70%, rgba(77, 141, 255, .055), transparent 28%);
    pointer-events: none;
}

.fiber-operation-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin-top: clamp(44px, 6vw, 68px);
}

.fiber-operation-card {
    position: relative;
    overflow: hidden;
    min-height: 100%;
    padding: clamp(26px, 3vw, 36px);
    border: 1px solid var(--line-strong);
    border-radius: 24px;
    background: linear-gradient(145deg, rgba(16, 26, 46, .78), rgba(7, 11, 20, .94));
    box-shadow: 0 24px 70px -48px rgba(0, 0, 0, .95);
}

.fiber-operation-card::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), var(--blue), transparent);
    opacity: .75;
}

.fiber-operation-card::after {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    right: -90px;
    top: -90px;
    border-radius: 50%;
    background: rgba(63, 212, 255, .05);
    filter: blur(4px);
    pointer-events: none;
}

.fiber-operation-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 22px;
}

.fiber-operation-card__code {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 58px;
    height: 42px;
    padding-inline: 13px;
    border-radius: 11px;
    border: 1px solid rgba(63, 212, 255, .28);
    background: rgba(63, 212, 255, .07);
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: .88rem;
    font-weight: 700;
    letter-spacing: .09em;
}

.fiber-operation-card__code--word {
    min-width: 70px;
    font-size: .7rem;
}

.fiber-operation-card__icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    flex: none;
    border-radius: 14px;
    color: var(--cyan);
    border: 1px solid rgba(146, 168, 220, .2);
    background: rgba(146, 168, 220, .055);
}

.fiber-operation-card h3 {
    max-width: 520px;
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 2vw, 1.55rem);
    line-height: 1.25;
    letter-spacing: -.02em;
}

.fiber-operation-card > p {
    margin-top: 13px;
    color: var(--muted);
    font-size: .94rem;
    line-height: 1.72;
}

.fiber-operation-card > .fiber-operation-card__sub {
    color: var(--text);
    font-weight: 600;
}

.fiber-operation-card__label {
    margin-top: 26px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: .66rem;
    font-weight: 600;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.fiber-operation-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
    margin-top: 16px;
}

.fiber-operation-list li {
    position: relative;
    padding-left: 18px;
    color: var(--muted);
    font-size: .86rem;
    line-height: 1.48;
}

.fiber-operation-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .62em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 10px rgba(63, 212, 255, .55);
}

.fiber-operation-card__note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 24px;
    padding: 16px 17px;
    border-radius: 14px;
    border: 1px solid rgba(63, 212, 255, .15);
    background: rgba(63, 212, 255, .045);
    color: var(--muted);
    font-size: .84rem;
    line-height: 1.55;
}

.fiber-operation-card__note i {
    margin-top: 3px;
    color: var(--cyan);
    flex: none;
}

.fiber-operation-card__note strong {
    color: var(--text);
}

.fiber-knowhow {
    position: relative;
    padding-block: clamp(60px, 6vw, 82px);
}

.fiber-knowhow .section-head {
    margin-bottom: 34px;
}

.fiber-knowhow-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.fiber-knowhow-card {
    position: relative;
    display: grid;
    grid-template-columns: 48px 1fr;
    grid-template-rows: auto auto;
    column-gap: 16px;
    align-items: center;

    min-height: 0;
    padding: 18px 20px;

    overflow: hidden;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(12, 19, 34, .48);

    transition: transform .25s ease,
    border-color .25s ease,
    background .25s ease;
}

.fiber-knowhow-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 2px;
    border-radius: 2px;
    background: var(--grad-blue);
    opacity: .55;
}

.fiber-knowhow-card:hover {
    transform: translateY(-2px);
    border-color: rgba(63, 212, 255, .3);
    background: rgba(16, 26, 46, .68);
}

.fiber-knowhow-card__code {
    position: absolute;
    top: 12px;
    right: 14px;

    color: rgba(146, 168, 220, .18);
    font-family: var(--font-mono);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .05em;
}

.fiber-knowhow-card > i {
    grid-column: 1;
    grid-row: 1 / 3;

    width: 44px;
    height: 44px;

    display: grid;
    place-items: center;

    border-radius: 11px;
    border: 1px solid rgba(63, 212, 255, .18);
    background: rgba(63, 212, 255, .055);
    color: var(--cyan);

    font-size: .95rem;
}

.fiber-knowhow-card h3 {
    grid-column: 2;
    margin: 0;
    padding-right: 34px;

    font-family: var(--font-display);
    font-size: .95rem;
    line-height: 1.3;
}

.fiber-knowhow-card p {
    grid-column: 2;

    margin-top: 5px;
    color: var(--muted);

    font-size: .78rem;
    line-height: 1.45;
}

.fiber-partner {
    position: relative;
}

.fiber-partner__panel {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
    gap: clamp(34px, 6vw, 72px);
    padding: clamp(30px, 5vw, 56px);
    border-radius: 28px;
    border: 1px solid var(--line-strong);
    background: radial-gradient(circle at 85% 20%, rgba(63, 212, 255, .1), transparent 24%),
    linear-gradient(145deg, rgba(16, 26, 46, .78), rgba(7, 11, 20, .92));
    box-shadow: 0 32px 90px -56px rgba(0, 0, 0, .95);
}

.fiber-partner__copy h2 {
    max-width: 660px;
    font-family: var(--font-display);
    font-size: clamp(1.85rem, 4vw, 2.7rem);
    line-height: 1.15;
    letter-spacing: -.025em;
}

.fiber-partner__copy > p {
    max-width: 700px;
    margin-top: 16px;
    color: var(--muted);
}

.fiber-partner__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 28px;
}

.fiber-partner__tags span {
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(146, 168, 220, .18);
    background: rgba(146, 168, 220, .055);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: .64rem;
    letter-spacing: .06em;
}

.fiber-partner__cta {
    align-self: stretch;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(24px, 4vw, 36px);
    border-radius: 22px;
    border: 1px solid rgba(63, 212, 255, .2);
    background: rgba(63, 212, 255, .045);
}

.fiber-partner__icon {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    color: var(--cyan);
    border: 1px solid rgba(63, 212, 255, .24);
    background: rgba(63, 212, 255, .08);
}

.fiber-partner__cta h3 {
    margin-top: 22px;
    font-family: var(--font-display);
    font-size: 1.35rem;
    line-height: 1.25;
}

.fiber-partner__cta p {
    margin-top: 10px;
    color: var(--muted);
}

.fiber-partner__cta .btn {
    align-self: flex-start;
    margin-top: 24px;
}

@media (max-width: 980px) {
    .fiber-operation-grid {
        grid-template-columns: 1fr;
    }

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

    .fiber-partner__panel {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .fiber-hero__subtitle {
        margin-top: 14px;
        font-size: 1.2rem;
    }

    .fiber-hero__lede--secondary {
        font-size: .91rem;
    }

    .fiber-operation-card {
        padding: 22px 19px;
        border-radius: 18px;
    }

    .fiber-operation-list {
        grid-template-columns: 1fr;
        gap: 9px;
    }

    .fiber-knowhow-grid {
        grid-template-columns: 1fr;
    }

    .fiber-knowhow-card {
        min-height: 0;
    }

    .fiber-partner__panel {
        padding: 22px;
        border-radius: 20px;
    }

    .fiber-partner__cta {
        padding: 22px;
        border-radius: 17px;
    }

    .fiber-partner__cta .btn {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .fiber-knowhow {
        padding-block: 56px;
    }

    .fiber-knowhow .section-head {
        margin-bottom: 26px;
    }

    .fiber-knowhow-grid {
        gap: 10px;
    }

    .fiber-knowhow-card {
        min-height: 105px;
        height: 105px;

        padding: 15px 16px;
        grid-template-columns: 42px 1fr;
        column-gap: 13px;

        border-radius: 12px;
    }

    .fiber-knowhow-card > i {
        width: 40px;
        height: 40px;
    }

    .fiber-knowhow-card h3 {
        font-size: .9rem;
    }

    .fiber-knowhow-card p {
        font-size: .75rem;
    }
}

/* ============================================================
   Fiber Gallery
============================================================ */

.fiber-gallery {
    padding-block: clamp(60px, 7vw, 90px);
}

.fiber-gallery__head {
    margin-bottom: 30px;
}

.fiber-gallery__head .section-title {
    max-width: 620px;
}

.fiber-gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.fiber-gallery__item {
    position: relative;

    height: 210px;

    margin: 0;
    overflow: hidden;

    border-radius: 16px;
    border: 1px solid var(--line);

    background: var(--card);
}

.fiber-gallery__item img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    transition:
        transform .5s ease,
        filter .4s ease;

    filter: saturate(.85);
}

.fiber-gallery__item::after {
    content: "";

    position: absolute;
    inset: 0;

    pointer-events: none;

    background:
        linear-gradient(
            180deg,
            transparent 55%,
            rgba(4, 6, 12, .35) 100%
        );

    transition: opacity .3s ease;
}

.fiber-gallery__item:hover img {
    transform: scale(1.04);
    filter: saturate(1);
}

@media (max-width: 900px) {

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

    .fiber-gallery__item {
        height: 190px;
    }

}
@media (max-width: 640px) {

    .fiber-gallery {
        padding-block: 54px;
    }

    .fiber-gallery__head {
        margin-bottom: 24px;
    }

    .fiber-gallery__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .fiber-gallery__item {
        height: 130px;
        border-radius: 11px;
    }

}