/* Technology index — Reemoon VI #00856f · premium B2B stack narrative */

.tech-hub {
    --tech-brand: #00856f;
    --tech-brand-dark: #004d41;
    --tech-brand-deep: #006b59;
    --tech-brand-light: #00a88a;
    --tech-brand-bright: #6ee7c7;
    --tech-brand-muted: #eef6f3;
    --tech-brand-glow: rgba(0, 133, 111, 0.2);
    --tech-text: #1a1a1a;
    --tech-text-muted: #3d524c;
    --tech-text-soft: #5a756e;
    --tech-max: min(1480px, 100%);
    --tech-gutter: clamp(24px, 5vw, 96px);
    --tech-radius: 18px;
    --tech-radius-lg: 28px;
    --tech-body: clamp(1.0625rem, 1.15vw, 1.1875rem);
    --tech-body-lg: clamp(1.125rem, 1.25vw, 1.3125rem);
    width: 100%;
    overflow-x: clip;
    color: var(--tech-text);
    background: #fff;
}

.tech-container {
    width: 100%;
    max-width: var(--tech-max);
    margin: 0 auto;
    padding-left: var(--tech-gutter);
    padding-right: var(--tech-gutter);
    box-sizing: border-box;
}

.tech-kicker {
    margin: 0 0 16px;
    font-size: clamp(0.8125rem, 0.9vw, 0.875rem);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--tech-brand);
}

.tech-kicker--light {
    color: var(--tech-brand-bright);
}

.tech-headline {
    margin: 0 0 20px;
    font-size: clamp(2rem, 3.6vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.tech-lead {
    margin: 0;
    font-size: var(--tech-body-lg);
    line-height: 1.8;
    color: var(--tech-text-soft);
}

.tech-section__head {
    max-width: 820px;
    margin: 0 auto clamp(48px, 6vw, 72px);
    text-align: center;
}

.tech-section {
    padding: clamp(72px, 9vw, 120px) 0;
}

/* ── Hero ─────────────────────────────────────────────────────────── */

.tech-hero {
    position: relative;
    min-height: clamp(560px, 72vh, 780px);
    display: flex;
    align-items: flex-end;
    padding-bottom: clamp(72px, 9vw, 120px);
    overflow: hidden;
}

.tech-hero__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(145deg, #001a16 0%, #003830 40%, #005a4a 100%);
}

.tech-hero__video,
.tech-hero__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 42%;
    opacity: 0.32;
}

.tech-hero__mesh {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(110, 231, 199, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(0, 168, 138, 0.1) 0%, transparent 40%),
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: auto, auto, 48px 48px, 48px 48px;
    opacity: 0.6;
}

.tech-hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}

.tech-hero__orb--1 {
    top: 10%;
    right: 8%;
    width: min(420px, 40vw);
    height: min(420px, 40vw);
    background: rgba(0, 168, 138, 0.22);
}

.tech-hero__orb--2 {
    bottom: 15%;
    left: 5%;
    width: min(320px, 30vw);
    height: min(320px, 30vw);
    background: rgba(110, 231, 199, 0.12);
}

.tech-hero__overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 55% 65% at 12% 45%, rgba(0, 133, 111, 0.22), transparent 55%),
        linear-gradient(155deg, rgba(0, 18, 16, 0.92) 0%, rgba(0, 45, 38, 0.78) 45%, rgba(0, 70, 58, 0.55) 100%);
}

.tech-hero__inner {
    position: relative;
    z-index: 2;
    max-width: 960px;
}

.tech-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: clamp(20px, 3vw, 28px);
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.62);
}

.tech-breadcrumb a,
.tech-breadcrumb a:hover,
.tech-breadcrumb a:focus,
.tech-breadcrumb a:visited {
    color: rgba(255, 255, 255, 0.82);
    text-decoration: none;
}

.tech-breadcrumb a:hover,
.tech-breadcrumb a:focus {
    color: var(--tech-brand-bright);
}

.tech-hero__eyebrow {
    margin: 0 0 14px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--tech-brand-bright);
}

.tech-hero__title {
    margin: 0 0 20px;
    font-size: clamp(2.25rem, 5.5vw, 3.75rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: #fff;
}

.tech-hero__title-accent {
    display: inline-block;
    background: linear-gradient(135deg, #fff 0%, var(--tech-brand-bright) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tech-hero__tagline {
    margin: 0 0 clamp(32px, 4.5vw, 44px);
    max-width: 760px;
    font-size: clamp(1.125rem, 1.5vw, 1.375rem);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

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

.tech-hero__scroll {
    position: absolute;
    bottom: clamp(20px, 3vw, 32px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.tech-hero__scroll-line {
    display: block;
    width: 1px;
    height: 52px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.55), transparent);
    animation: techScrollPulse 2.4s ease-in-out infinite;
}

@keyframes techScrollPulse {
    0%, 100% { opacity: 0.35; transform: scaleY(0.85); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ── Buttons ──────────────────────────────────────────────────────── */

.tech-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.tech-hub a.tech-btn:hover,
.tech-hub a.tech-btn:focus,
.tech-hub a.tech-btn:visited {
    text-decoration: none;
}

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

.tech-hub a.tech-btn--light,
.tech-btn--light {
    color: var(--tech-brand-dark);
    background: #fff;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.tech-hub a.tech-btn--outline,
.tech-btn--outline {
    color: #fff;
    background: transparent;
    border-color: rgba(255, 255, 255, 0.45);
}

.tech-btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.7);
}

.tech-hub a.tech-btn--accent,
.tech-btn--accent {
    color: #fff;
    background: var(--tech-brand);
    box-shadow: 0 8px 28px var(--tech-brand-glow);
}

.tech-btn--accent:hover {
    background: var(--tech-brand-deep);
}

/* ── Stats ────────────────────────────────────────────────────────── */

.tech-stats {
    position: relative;
    z-index: 3;
    margin-top: -48px;
    padding-bottom: clamp(24px, 3vw, 40px);
}

.tech-stats__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    margin: 0;
    padding: 0;
    list-style: none;
    background: #fff;
    border: 1px solid rgba(0, 133, 111, 0.12);
    border-radius: 20px;
    box-shadow: 0 24px 64px rgba(0, 77, 65, 0.12);
    overflow: hidden;
}

@media (min-width: 768px) {
    .tech-stats__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.tech-stats__item {
    padding: clamp(28px, 3.5vw, 40px) clamp(20px, 2.5vw, 32px);
    text-align: center;
    border-bottom: 1px solid rgba(0, 133, 111, 0.08);
}

@media (min-width: 768px) {
    .tech-stats__item {
        border-bottom: none;
    }

    .tech-stats__item:not(:last-child) {
        border-right: 1px solid rgba(0, 133, 111, 0.08);
    }
}

@media (max-width: 767px) {
    .tech-stats__item:nth-child(odd) {
        border-right: 1px solid rgba(0, 133, 111, 0.08);
    }

    .tech-stats__item:nth-last-child(-n+2) {
        border-bottom: none;
    }
}

.tech-stats__value {
    display: block;
    font-size: clamp(2.125rem, 3.6vw, 2.875rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--tech-brand);
}

.tech-stats__label {
    display: block;
    margin-top: 10px;
    font-size: clamp(0.9375rem, 1.05vw, 1.0625rem);
    line-height: 1.5;
    color: var(--tech-text-soft);
}

/* ── Stack flow ───────────────────────────────────────────────────── */

.tech-stack-section {
    background: linear-gradient(180deg, #fff 0%, var(--tech-brand-muted) 100%);
}

.tech-stack {
    position: relative;
    padding: clamp(40px, 5vw, 56px) clamp(32px, 4vw, 48px);
    background: #fff;
    border: 1px solid rgba(0, 133, 111, 0.1);
    border-radius: var(--tech-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 77, 65, 0.07);
    overflow: hidden;
}

.tech-stack__glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(110, 231, 199, 0.12), transparent 70%);
    pointer-events: none;
}

.tech-stack__track {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    justify-content: center;
    gap: 12px 8px;
}

.tech-hub a.tech-stack__node,
.tech-hub a.tech-stack__node:hover,
.tech-hub a.tech-stack__node:focus {
    color: inherit;
    text-decoration: none;
}

.tech-stack__node {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    min-width: clamp(140px, 14vw, 168px);
    padding: clamp(20px, 2.5vw, 28px) clamp(22px, 2.5vw, 28px);
    text-align: left;
    background: linear-gradient(180deg, #fff 0%, var(--tech-brand-muted) 100%);
    border: 1px solid rgba(0, 133, 111, 0.12);
    border-radius: var(--tech-radius);
    box-shadow: 0 4px 20px rgba(0, 77, 65, 0.05);
    opacity: 0;
    transform: translateY(16px);
    transition:
        transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 0.35s ease,
        border-color 0.3s ease,
        background 0.3s ease;
}

[data-tech-reveal].is-visible .tech-stack__node {
    animation: techStackIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    animation-delay: calc(0.08s + var(--tech-stack-i, 0) * 0.1s);
}

.tech-stack__node:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 133, 111, 0.28);
    box-shadow: 0 20px 48px rgba(0, 77, 65, 0.12);
}

.tech-stack__node.is-active {
    border-color: var(--tech-brand);
    background: linear-gradient(155deg, var(--tech-brand-light) 0%, var(--tech-brand) 100%);
    box-shadow: 0 16px 40px var(--tech-brand-glow);
}

.tech-stack__node.is-active .tech-stack__node-step,
.tech-stack__node.is-active .tech-stack__node-role,
.tech-stack__node.is-active .tech-stack__node-name {
    color: #fff;
}

.tech-stack__node-step {
    font-size: 0.8125rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: rgba(0, 133, 111, 0.35);
}

.tech-stack__node-role {
    font-size: clamp(0.875rem, 1vw, 0.9375rem);
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.tech-stack__node-name {
    font-size: clamp(1rem, 1.15vw, 1.125rem);
    font-weight: 700;
    line-height: 1.35;
    color: var(--tech-text);
}

.tech-stack__node--blue { --tech-node-accent: #2563eb; }
.tech-stack__node--emerald { --tech-node-accent: var(--tech-brand); }
.tech-stack__node--violet { --tech-node-accent: #7c3aed; }
.tech-stack__node--amber { --tech-node-accent: #d97706; }

.tech-stack__node--blue .tech-stack__node-role { color: #2563eb; }
.tech-stack__node--emerald .tech-stack__node-role { color: var(--tech-brand); }
.tech-stack__node--violet .tech-stack__node-role { color: #7c3aed; }
.tech-stack__node--amber .tech-stack__node-role { color: #d97706; }

.tech-stack__connector {
    display: flex;
    align-items: center;
    align-self: center;
    color: rgba(0, 133, 111, 0.4);
    flex-shrink: 0;
    opacity: 0;
}

[data-tech-reveal].is-visible .tech-stack__connector {
    animation: techStackIn 0.5s ease forwards;
    animation-delay: calc(0.15s + var(--tech-stack-i, 0) * 0.1s);
}

.tech-stack__connector-line {
    stroke-dasharray: 24;
    stroke-dashoffset: 24;
    animation: techConnectorDraw 1.2s ease forwards;
    animation-delay: calc(0.4s + var(--tech-stack-i, 0) * 0.1s);
}

[data-tech-reveal].is-visible .tech-stack__connector-head {
    animation: techConnectorPulse 2.4s ease-in-out infinite;
    animation-delay: calc(0.6s + var(--tech-stack-i, 0) * 0.1s);
}

@keyframes techStackIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes techConnectorDraw {
    to { stroke-dashoffset: 0; }
}

@keyframes techConnectorPulse {
    0%, 100% { opacity: 0.45; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(3px); }
}

/* ── Systems showcase ─────────────────────────────────────────────── */

.tech-systems {
    padding: clamp(64px, 8vw, 112px) 0 clamp(80px, 10vw, 128px);
    background: #fff;
}

.tech-systems__layout {
    display: grid;
    gap: clamp(40px, 5vw, 64px);
}

@media (min-width: 1100px) {
    .tech-systems__layout {
        grid-template-columns: minmax(260px, 280px) minmax(0, 1fr);
        align-items: start;
        gap: clamp(48px, 5vw, 72px);
    }
}

.tech-systems__nav-wrap {
    position: sticky;
    top: clamp(88px, 11vh, 128px);
    z-index: 30;
}

.tech-systems__nav-wrap.is-scrolled .tech-systems__nav {
    box-shadow: 0 16px 48px rgba(0, 77, 65, 0.1);
}

.tech-systems__nav {
    display: flex;
    flex-direction: row;
    gap: 6px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(0, 133, 111, 0.1);
    border-radius: var(--tech-radius-lg);
    backdrop-filter: blur(14px);
    overflow-x: auto;
    scrollbar-width: none;
}

.tech-systems__nav::-webkit-scrollbar {
    display: none;
}

@media (min-width: 1100px) {
    .tech-systems__nav {
        flex-direction: column;
        gap: 4px;
        padding: 16px;
        overflow-x: visible;
    }
}

.tech-systems__nav-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    text-decoration: none;
    color: inherit;
    border-radius: 14px;
    border: 1px solid transparent;
    transition: background 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease, transform 0.28s ease;
    flex-shrink: 0;
}

.tech-systems__nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 3px;
    height: 0;
    border-radius: 0 3px 3px 0;
    background: var(--tech-brand-bright);
    transform: translateY(-50%);
    transition: height 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.tech-systems__nav-item:hover {
    background: var(--tech-brand-muted);
    text-decoration: none;
    transform: translateX(2px);
}

.tech-systems__nav-item.is-active {
    background: var(--tech-brand);
    border-color: var(--tech-brand);
    box-shadow: 0 8px 28px var(--tech-brand-glow);
    transform: none;
}

.tech-systems__nav-item.is-active::before {
    height: 55%;
}

.tech-systems__nav-num {
    flex-shrink: 0;
    width: 2.25rem;
    font-size: 0.9375rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: var(--tech-brand);
    opacity: 0.65;
}

.tech-systems__nav-item.is-active .tech-systems__nav-num {
    color: rgba(255, 255, 255, 0.8);
}

.tech-systems__nav-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.tech-systems__nav-role {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--tech-text-soft);
}

.tech-systems__nav-item.is-active .tech-systems__nav-role {
    color: rgba(255, 255, 255, 0.78);
}

.tech-systems__nav-name {
    font-size: clamp(0.9375rem, 1vw, 1.0625rem);
    font-weight: 700;
    line-height: 1.35;
    color: var(--tech-text);
}

.tech-systems__nav-item.is-active .tech-systems__nav-name {
    color: #fff;
}

.tech-systems__panels {
    display: flex;
    flex-direction: column;
    gap: clamp(56px, 7vw, 88px);
}

/* Individual system block */
.tech-system {
    display: grid;
    gap: clamp(36px, 4.5vw, 56px);
    align-items: center;
    padding: clamp(36px, 4.5vw, 52px);
    background: linear-gradient(180deg, #fafcfb 0%, #fff 100%);
    border: 1px solid rgba(0, 133, 111, 0.1);
    border-radius: var(--tech-radius-lg);
    box-shadow: 0 12px 48px rgba(0, 77, 65, 0.06);
    scroll-margin-top: clamp(108px, 13vh, 148px);
    transition: box-shadow 0.4s ease, border-color 0.4s ease;
}

.tech-system[data-tech-reveal].is-visible:hover {
    border-color: rgba(0, 133, 111, 0.18);
    box-shadow: 0 20px 64px rgba(0, 77, 65, 0.1);
}

@keyframes techSystemIn {
    from { opacity: 0; transform: translateY(28px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 960px) {
    .tech-system {
        grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    }

    .tech-system--reverse {
        direction: rtl;
    }

    .tech-system--reverse > * {
        direction: ltr;
    }
}

.tech-system--blue { border-top: 3px solid #2563eb; }
.tech-system--emerald { border-top: 3px solid var(--tech-brand); }
.tech-system--violet { border-top: 3px solid #7c3aed; }
.tech-system--amber { border-top: 3px solid #d97706; }

.tech-system__visual {
    position: relative;
    display: flex;
    justify-content: center;
    width: 100%;
}

.tech-system__visual-frame {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: var(--tech-radius);
    overflow: hidden;
    background: var(--tech-brand-muted);
}

.tech-system__photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.tech-system:hover .tech-system__photo {
    transform: scale(1.03);
}

.tech-system__visual-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0, 45, 38, 0.55) 100%);
}

.tech-system__brand-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(0, 133, 111, 0.12);
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(0, 77, 65, 0.1);
}

.tech-system__brand-badge img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.tech-system__brand-svg {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.tech-system__metric {
    position: absolute;
    right: 16px;
    bottom: 16px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.94);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(8px);
}

.tech-system__metric-value {
    font-size: clamp(1.625rem, 2vw, 1.875rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--tech-brand);
}

.tech-system__metric-label {
    font-size: clamp(0.8125rem, 0.9vw, 0.875rem);
    font-weight: 600;
    line-height: 1.35;
    color: var(--tech-text-soft);
    text-align: right;
    max-width: 140px;
}

.tech-system__content {
    min-width: 0;
    padding: clamp(4px, 1vw, 8px) 0;
}

.tech-system__header {
    margin-bottom: clamp(24px, 3vw, 32px);
}

.tech-system__header-row {
    display: block;
}

@media (max-width: 1099px) {
    .tech-system__header-row {
        display: flex;
        align-items: center;
        gap: 12px;
    }
}

.tech-system__index {
    display: block;
    margin-bottom: 12px;
    font-size: clamp(3rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
    color: rgba(0, 133, 111, 0.08);
}

.tech-system__role {
    display: inline-block;
    margin-bottom: 14px;
    padding: 6px 14px;
    font-size: clamp(0.75rem, 0.85vw, 0.8125rem);
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--tech-brand);
    background: var(--tech-brand-muted);
    border-radius: 999px;
}

.tech-system--blue .tech-system__role { color: #2563eb; background: #eff6ff; }
.tech-system--violet .tech-system__role { color: #7c3aed; background: #f5f3ff; }
.tech-system--amber .tech-system__role { color: #d97706; background: #fffbeb; }

.tech-system__title {
    margin: 0 0 14px;
    font-size: clamp(1.625rem, 2.5vw, 2.125rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.025em;
}

.tech-system__tagline {
    margin: 0;
    font-size: clamp(1.125rem, 1.35vw, 1.3125rem);
    font-weight: 600;
    line-height: 1.55;
    color: var(--tech-brand-deep);
}

.tech-system__desc {
    margin: 0 0 clamp(32px, 4vw, 40px);
    max-width: 58ch;
    font-size: var(--tech-body);
    line-height: 1.85;
    color: var(--tech-text-soft);
}

.tech-system__caps-title {
    margin: 0 0 20px;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--tech-text-muted);
}

.tech-system__caps {
    margin: 0 0 clamp(32px, 4vw, 40px);
    padding: 0;
    list-style: none;
    display: grid;
    gap: 16px;
}

@media (min-width: 640px) {
    .tech-system__caps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px 28px;
    }
}

.tech-system__caps li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: clamp(0.9375rem, 1vw, 1.0625rem);
    line-height: 1.6;
    color: var(--tech-text-muted);
    opacity: 0;
    transform: translateY(10px);
}

.tech-system[data-tech-reveal].is-visible .tech-system__caps li {
    animation: techCapIn 0.55s ease forwards;
}

.tech-system[data-tech-reveal].is-visible .tech-system__caps li:nth-child(1) { animation-delay: 0.2s; }
.tech-system[data-tech-reveal].is-visible .tech-system__caps li:nth-child(2) { animation-delay: 0.28s; }
.tech-system[data-tech-reveal].is-visible .tech-system__caps li:nth-child(3) { animation-delay: 0.36s; }
.tech-system[data-tech-reveal].is-visible .tech-system__caps li:nth-child(4) { animation-delay: 0.44s; }

@keyframes techCapIn {
    to { opacity: 1; transform: translateY(0); }
}

.tech-system__cap-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    margin-top: 2px;
    color: var(--tech-brand);
    background: var(--tech-brand-muted);
    border-radius: 10px;
}

.tech-system__cap-icon .citrus-icon {
    width: 16px;
    height: 16px;
}

.tech-system__actions {
    margin-bottom: 28px;
}

.tech-system__related-title {
    margin: 0 0 18px;
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--tech-text);
}

.tech-system__related-grid {
    display: grid;
    gap: 14px;
}

@media (min-width: 640px) {
    .tech-system__related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.tech-hub a.tech-related-card,
.tech-hub a.tech-related-card:hover {
    color: inherit;
    text-decoration: none;
}

.tech-related-card {
    display: flex;
    gap: 14px;
    padding: 16px;
    background: #fff;
    border: 1px solid rgba(0, 133, 111, 0.1);
    border-radius: 16px;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.tech-related-card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 133, 111, 0.22);
    box-shadow: 0 12px 32px rgba(0, 77, 65, 0.1);
}

.tech-related-card__media {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--tech-brand-muted);
}

.tech-related-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tech-related-card__body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    min-width: 0;
}

.tech-related-card__title {
    font-size: clamp(0.9375rem, 1vw, 1rem);
    font-weight: 700;
    line-height: 1.4;
    color: var(--tech-text);
}

.tech-related-card__cta {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--tech-brand);
}

/* ── Integration band ─────────────────────────────────────────────── */

.tech-integration {
    padding: clamp(64px, 8vw, 96px) 0;
    background:
        radial-gradient(ellipse 70% 80% at 0% 50%, rgba(0, 168, 138, 0.15), transparent 55%),
        linear-gradient(135deg, var(--tech-brand-dark) 0%, var(--tech-brand) 45%, var(--tech-brand-deep) 100%);
    color: #fff;
}

.tech-integration__grid {
    display: grid;
    gap: clamp(40px, 5vw, 64px);
    align-items: center;
}

@media (min-width: 960px) {
    .tech-integration__grid {
        grid-template-columns: 1fr minmax(280px, 380px);
    }
}

.tech-integration__title {
    margin: 0 0 16px;
    font-size: clamp(1.75rem, 3vw, 2.375rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: #fff;
}

.tech-integration__lead {
    margin: 0 0 32px;
    font-size: var(--tech-body-lg);
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.88);
}

.tech-integration__points {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 18px;
}

.tech-integration__points li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    font-size: clamp(1rem, 1.1vw, 1.0625rem);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.94);
}

.tech-integration__check {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    margin-top: 2px;
    color: var(--tech-brand-dark);
    background: var(--tech-brand-bright);
    border-radius: 50%;
}

.tech-integration__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-integration__rings {
    position: relative;
    width: min(100%, 320px);
    aspect-ratio: 1;
    animation: techRingsFloat 6s ease-in-out infinite;
}

@keyframes techRingsFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.tech-integration__core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    width: 38%;
    aspect-ratio: 1;
    font-size: clamp(0.8125rem, 2vw, 0.9375rem);
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-align: center;
    color: #fff;
    background: linear-gradient(155deg, var(--tech-brand-light), var(--tech-brand-deep));
    border-radius: 50%;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
    animation: techCorePulse 4s ease-in-out infinite;
}

@keyframes techCorePulse {
    0%, 100% { box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25); }
    50% { box-shadow: 0 20px 56px rgba(110, 231, 199, 0.35); }
}

.tech-integration__ring {
    position: absolute;
    top: 50%;
    left: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin: -28px 0 0 -28px;
    font-size: clamp(0.5625rem, 1.2vw, 0.625rem);
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.1;
    color: var(--tech-brand-dark);
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    opacity: 0;
}

[data-tech-reveal].is-visible .tech-integration__ring {
    animation: techRingPop 0.55s ease forwards;
}

.tech-integration__ring:nth-child(1) { transform: rotate(-90deg) translateY(-130px) rotate(90deg); animation-delay: 0.15s; }
.tech-integration__ring:nth-child(2) { transform: rotate(-18deg) translateY(-130px) rotate(18deg); animation-delay: 0.23s; }
.tech-integration__ring:nth-child(3) { transform: rotate(54deg) translateY(-130px) rotate(-54deg); animation-delay: 0.31s; }
.tech-integration__ring:nth-child(4) { transform: rotate(126deg) translateY(-130px) rotate(-126deg); animation-delay: 0.39s; }
.tech-integration__ring:nth-child(5) { transform: rotate(198deg) translateY(-130px) rotate(-198deg); animation-delay: 0.47s; }

@keyframes techRingPop {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ── Proof ────────────────────────────────────────────────────────── */

.tech-proof {
    padding: clamp(72px, 9vw, 104px) 0;
    background: var(--tech-brand-muted);
}

.tech-proof__head {
    max-width: 720px;
    margin: 0 auto clamp(44px, 5vw, 56px);
    text-align: center;
}

.tech-proof__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px, 2.5vw, 28px);
    margin: 0;
    padding: 0;
    list-style: none;
}

@media (max-width: 639px) {
    .tech-proof__grid {
        grid-template-columns: 1fr;
    }
}

.tech-proof__item {
    padding: clamp(32px, 3.5vw, 44px);
    text-align: center;
    background: #fff;
    border: 1px solid rgba(0, 133, 111, 0.1);
    border-radius: var(--tech-radius);
    box-shadow: 0 8px 32px rgba(0, 77, 65, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tech-proof__item:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 77, 65, 0.1);
}

.tech-proof__value {
    display: block;
    font-size: clamp(2.25rem, 3.8vw, 3rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--tech-brand);
}

.tech-proof__label {
    display: block;
    margin-top: 12px;
    font-size: clamp(1rem, 1.1vw, 1.0625rem);
    line-height: 1.5;
    color: var(--tech-text-soft);
}

/* ── Reveal ───────────────────────────────────────────────────────── */

[data-tech-reveal]:not(.tech-system) {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1), transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-tech-reveal]:not(.tech-system).is-visible {
    opacity: 1;
    transform: translateY(0);
}

.tech-system[data-tech-reveal] {
    opacity: 0;
}

.tech-system[data-tech-reveal].is-visible {
    animation: techSystemIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@media (prefers-reduced-motion: reduce) {
    [data-tech-reveal],
    .tech-stack__node,
    .tech-stack__connector,
    .tech-integration__rings,
    .tech-integration__core,
    .tech-integration__ring,
    .tech-system__caps li {
        animation: none !important;
        transition: none !important;
        opacity: 1 !important;
        transform: none !important;
    }

    .tech-stack__connector-line {
        stroke-dashoffset: 0;
    }
}

/* ── Page chrome ──────────────────────────────────────────────────── */

body:has(.tech-hub) .main-footer.alternet-5 {
    margin-top: 0;
}

.site-main:has(.tech-hub) {
    padding-bottom: 0;
}

/* ── Responsive ───────────────────────────────────────────────────── */

@media (min-width: 1100px) {
    .tech-stack__track {
        flex-wrap: nowrap;
        justify-content: space-between;
        gap: 4px;
    }

    .tech-stack__node {
        flex: 1 1 0;
        min-width: 0;
    }

    .tech-stack__connector {
        flex: 0 0 auto;
        padding: 0 2px;
    }
}

@media (max-width: 1099px) {
    .tech-systems__nav-wrap {
        position: sticky;
        top: 0;
        z-index: 40;
        margin-left: calc(-1 * var(--tech-gutter));
        margin-right: calc(-1 * var(--tech-gutter));
        padding: 12px var(--tech-gutter);
        background: rgba(255, 255, 255, 0.94);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(0, 133, 111, 0.08);
    }

    .tech-systems__nav-wrap .tech-systems__nav {
        border: none;
        box-shadow: none;
        padding: 0;
        background: transparent;
    }
}

@media (max-width: 639px) {
    .tech-stack__track {
        flex-direction: column;
    }

    .tech-stack__connector {
        transform: rotate(90deg);
    }

    .tech-integration__ring {
        width: 44px;
        height: 44px;
        margin: -22px 0 0 -22px;
        font-size: 0.5rem;
    }

    .tech-integration__ring:nth-child(1) { transform: rotate(-90deg) translateY(-100px) rotate(90deg); }
    .tech-integration__ring:nth-child(2) { transform: rotate(-18deg) translateY(-100px) rotate(18deg); }
    .tech-integration__ring:nth-child(3) { transform: rotate(54deg) translateY(-100px) rotate(-54deg); }
    .tech-integration__ring:nth-child(4) { transform: rotate(126deg) translateY(-100px) rotate(-126deg); }
    .tech-integration__ring:nth-child(5) { transform: rotate(198deg) translateY(-100px) rotate(-198deg); }
}

/* ── Premium /technology hub (Reemoon VI) ─────────────────────────── */

.tech-hub--premium {
    --tech-surface: #f4faf8;
    --tech-surface-elevated: #ffffff;
    --tech-border: rgba(0, 133, 111, 0.12);
    --tech-border-strong: rgba(0, 133, 111, 0.22);
    --tech-shadow-sm: 0 8px 32px rgba(0, 77, 65, 0.06);
    --tech-shadow-md: 0 20px 60px rgba(0, 77, 65, 0.1);
    --tech-shadow-lg: 0 32px 80px rgba(0, 77, 65, 0.14);
}

/* Hero */
.tech-hero--premium {
    min-height: clamp(560px, 88vh, 820px);
    align-items: stretch;
    padding: 0;
}

.tech-hero__overlay--premium {
    background:
        linear-gradient(108deg, rgba(0, 26, 22, 0.94) 0%, rgba(0, 61, 51, 0.82) 38%, rgba(0, 107, 89, 0.45) 62%, rgba(0, 133, 111, 0.12) 100%),
        linear-gradient(0deg, rgba(0, 18, 16, 0.72) 0%, transparent 42%);
}

.tech-hero__grid-lines {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.14;
    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: 56px 56px;
    mask-image: radial-gradient(ellipse 80% 70% at 30% 40%, #000 20%, transparent 75%);
}

.tech-hero--premium .tech-hero__orbs {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.tech-hero--premium .tech-hero__video,
.tech-hero--premium .tech-hero__img {
    opacity: 0.38;
    object-position: center 40%;
}

.tech-hero__premium-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    max-width: 920px;
    gap: clamp(32px, 5vw, 72px);
    align-items: center;
    min-height: clamp(560px, 88vh, 820px);
    padding-top: clamp(96px, 14vh, 140px);
    padding-bottom: clamp(72px, 10vh, 112px);
}

.tech-hero__premium-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
}

.tech-hero__icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 18px;
    backdrop-filter: blur(12px);
}

.tech-hero--premium .tech-hero__live-icon {
    margin-bottom: 0;
    filter: brightness(0) invert(1);
    opacity: 0.95;
}

.tech-hero--premium .tech-hero__eyebrow {
    margin-bottom: 12px;
}

.tech-hero--premium .tech-hero__live-title {
    margin: 0 0 20px;
    max-width: 14ch;
    font-size: clamp(2.25rem, 4.8vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: #fff;
    text-shadow: 0 4px 32px rgba(0, 0, 0, 0.25);
}

.tech-hero--premium .tech-hero__live-intro {
    margin: 0 0 clamp(28px, 4vw, 40px);
    max-width: 52ch;
    font-size: clamp(1rem, 1.2vw, 1.125rem);
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.88);
}

.tech-hero__premium-visual {
    display: flex;
    align-items: stretch;
    min-height: clamp(300px, 38vw, 460px);
}

.tech-hero__glass-card {
    flex: 1;
    position: relative;
    border-radius: var(--tech-radius-lg);
    background-size: cover;
    background-position: center;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow:
        0 32px 80px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.tech-hero__glass-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(155deg, rgba(0, 133, 111, 0.15) 0%, transparent 45%);
    pointer-events: none;
}

.tech-hero__glass-card-inner {
    position: absolute;
    inset: auto 0 0;
    padding: clamp(28px, 4vw, 44px);
    background: linear-gradient(to top, rgba(0, 20, 18, 0.92) 0%, rgba(0, 45, 38, 0.55) 55%, transparent 100%);
    backdrop-filter: blur(4px);
}

.tech-hero__live-slogan {
    margin: 0;
    font-size: clamp(1.375rem, 2.2vw, 2rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.tech-hero__live-slogan-sub {
    margin: 10px 0 0;
    font-size: clamp(0.9375rem, 1.1vw, 1.0625rem);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

.tech-hero__img--mb {
    display: none;
}

@media (max-width: 639px) {
    .tech-hero__img--pc {
        display: none;
    }

    .tech-hero__img--mb {
        display: block;
    }

    .tech-hero--premium .tech-hero__premium-visual {
        display: none;
    }
}

/* Mission band */
.tech-mission {
    position: relative;
    padding: clamp(48px, 6vw, 72px) 0;
    background: var(--tech-surface);
    border-bottom: 1px solid var(--tech-border);
    overflow: hidden;
}

.tech-mission::before {
    content: '';
    position: absolute;
    top: 0;
    right: -10%;
    width: min(480px, 50vw);
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(0, 133, 111, 0.08), transparent 70%);
    pointer-events: none;
}

.tech-mission__inner {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: clamp(20px, 3vw, 32px);
    max-width: 960px;
    margin: 0 auto;
}

.tech-mission__mark {
    flex-shrink: 0;
    width: 4px;
    min-height: 100%;
    align-self: stretch;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--tech-brand-light), var(--tech-brand));
}

.tech-mission__text {
    margin: 0;
    font-size: clamp(1.0625rem, 1.35vw, 1.25rem);
    line-height: 1.9;
    color: var(--tech-text-muted);
    letter-spacing: 0.01em;
}

/* Flagship tech cards */
.tech-flagship {
    padding: clamp(72px, 9vw, 112px) 0;
    background: linear-gradient(180deg, #fff 0%, var(--tech-surface) 100%);
}

.tech-flagship__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(24px, 3vw, 32px);
    list-style: none;
    margin: 0;
    padding: 0;
}

.tech-flagship__card {
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: var(--tech-radius-lg);
    background: var(--tech-surface-elevated);
    border: 1px solid var(--tech-border);
    box-shadow: var(--tech-shadow-sm);
    overflow: hidden;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}

.tech-flagship__card:hover {
    transform: translateY(-6px);
    border-color: var(--tech-border-strong);
    box-shadow: var(--tech-shadow-md);
}

.tech-flagship__card-glow {
    position: absolute;
    top: -40%;
    right: -20%;
    width: 60%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 168, 138, 0.18), transparent 70%);
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.tech-flagship__card--blue .tech-flagship__card-glow {
    background: radial-gradient(circle, rgba(0, 133, 111, 0.14), transparent 70%);
}

.tech-flagship__card-body {
    position: relative;
    flex: 1;
    padding: clamp(28px, 3.5vw, 40px) clamp(28px, 3.5vw, 44px) clamp(32px, 4vw, 48px);
}

.tech-flagship__media {
    position: relative;
    flex-shrink: 0;
    width: 100%;
    aspect-ratio: 16 / 10;
    margin: 0;
    padding: 0;
    background: #eef6f3;
    overflow: hidden;
}

.tech-flagship__media::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    z-index: 2;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 133, 111, 0.2), transparent);
    pointer-events: none;
}

.tech-flagship__media img {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.35s ease;
}

.tech-flagship__card:hover .tech-flagship__media img {
    transform: scale(1.04);
}

.tech-flagship__title {
    margin: 0 0 16px;
    font-size: clamp(1.125rem, 1.5vw, 1.375rem);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.02em;
    color: var(--tech-brand-dark);
}

.tech-flagship__desc {
    margin: 0;
    font-size: var(--tech-body);
    line-height: 1.85;
    color: var(--tech-text-soft);
}

/* Systems — premium editorial */
.tech-systems--premium {
    padding: clamp(72px, 9vw, 120px) 0 clamp(88px, 10vw, 128px);
    background: #fff;
}

.tech-systems__layout--premium {
    display: grid;
    gap: clamp(40px, 5vw, 64px);
}

@media (min-width: 1100px) {
    .tech-systems__layout--premium {
        grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
        align-items: start;
        gap: clamp(48px, 5vw, 80px);
    }
}

.tech-systems__nav--premium {
    gap: 6px;
    padding: 12px;
    background: var(--tech-surface);
    border: 1px solid var(--tech-border);
    border-radius: var(--tech-radius-lg);
    box-shadow: var(--tech-shadow-sm);
}

.tech-systems__nav--premium .tech-systems__nav-item {
    padding: 14px 16px;
    border-radius: 12px;
}

.tech-systems__nav--premium .tech-systems__nav-item::before {
    background: var(--tech-brand);
    width: 4px;
    border-radius: 0 4px 4px 0;
}

.tech-systems__nav--premium .tech-systems__nav-item.is-active {
    background: #fff;
    border-color: var(--tech-border-strong);
    box-shadow: 0 4px 20px rgba(0, 77, 65, 0.08);
}

.tech-systems__nav--premium .tech-systems__nav-item.is-active .tech-systems__nav-num,
.tech-systems__nav--premium .tech-systems__nav-item.is-active .tech-systems__nav-name {
    color: var(--tech-brand);
}

.tech-systems__nav--premium .tech-systems__nav-item.is-active .tech-systems__nav-arrow {
    opacity: 1;
    color: var(--tech-brand);
}

.tech-systems__nav-arrow {
    flex-shrink: 0;
    margin-left: auto;
    font-size: 1.25rem;
    line-height: 1;
    color: var(--tech-brand);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.tech-systems__nav-item:hover .tech-systems__nav-arrow,
.tech-systems__nav-item.is-active .tech-systems__nav-arrow {
    opacity: 0.7;
    transform: translateX(0);
}

.tech-system--premium {
    position: relative;
    gap: clamp(36px, 5vw, 64px);
    padding: clamp(40px, 5vw, 56px);
    background: var(--tech-surface-elevated);
    border: 1px solid var(--tech-border);
    border-radius: var(--tech-radius-lg);
    box-shadow: var(--tech-shadow-sm);
    scroll-margin-top: clamp(108px, 13vh, 148px);
    overflow: hidden;
}

.tech-system--premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--tech-brand), var(--tech-brand-light));
}

.tech-system--premium.tech-system--blue::before,
.tech-system--premium.tech-system--violet::before,
.tech-system--premium.tech-system--amber::before {
    background: linear-gradient(90deg, var(--tech-brand-deep), var(--tech-brand-light));
}

.tech-system--premium[data-tech-reveal].is-visible:hover {
    border-color: var(--tech-border-strong);
    box-shadow: var(--tech-shadow-md);
}

.tech-system__visual-frame--premium {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: clamp(280px, 34vw, 400px);
    padding: clamp(14px, 2vw, 24px);
    aspect-ratio: auto;
    background:
        radial-gradient(ellipse 80% 70% at 50% 40%, rgba(110, 231, 199, 0.2), transparent 65%),
        linear-gradient(155deg, var(--tech-brand-muted) 0%, #fff 100%);
    border: 1px solid var(--tech-border);
    border-radius: var(--tech-radius-lg);
}

.tech-system__visual-glow {
    position: absolute;
    inset: 12%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 133, 111, 0.12), transparent 70%);
    pointer-events: none;
}

.tech-system__photo-wrap {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    flex: 1 1 auto;
    min-height: 0;
}

.tech-system__photo-wrap .tech-system__photo,
.tech-system__photo-wrap .tech-system__photo--premium {
    display: block;
    width: auto;
    height: auto;
    max-width: min(100%, 400px);
    max-height: min(360px, calc(100% - 8px));
    margin: 0;
    object-fit: contain;
    object-position: center center;
}

.tech-system__photo--premium {
    position: relative;
    z-index: 1;
    border-radius: 0;
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.tech-system--premium:hover .tech-system__photo--premium {
    transform: scale(1.04) translateY(-4px);
}

.tech-system--premium .tech-system__index {
    font-size: clamp(3.5rem, 6vw, 5rem);
    color: rgba(0, 133, 111, 0.1);
    margin-bottom: 8px;
}

.tech-system--premium .tech-system__title {
    margin: 0;
    font-size: clamp(1.5rem, 2.4vw, 2.125rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.025em;
    color: var(--tech-brand-dark);
}

@media (min-width: 1100px) {
    .tech-system--premium {
        display: grid;
        grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
        grid-template-rows: auto auto auto;
        align-items: start;
    }

    .tech-system--premium .tech-system__visual {
        grid-column: 1;
        grid-row: 1 / span 3;
        align-self: center;
    }

    .tech-system--premium .tech-system__accordion-trigger,
    .tech-system--premium .tech-system__header--premium {
        grid-column: 2;
        grid-row: 1;
    }

    .tech-system--premium .tech-system__bullets,
    .tech-system--premium .tech-system__desc--premium {
        grid-column: 2;
        grid-row: 2;
    }

    .tech-system--premium .tech-system__actions--premium {
        grid-column: 2;
        grid-row: 3;
    }

    .tech-system--premium.tech-system--reverse .tech-system__visual {
        grid-column: 2;
    }

    .tech-system--premium.tech-system--reverse .tech-system__accordion-trigger,
    .tech-system--premium.tech-system--reverse .tech-system__header--premium,
    .tech-system--premium.tech-system--reverse .tech-system__bullets,
    .tech-system--premium.tech-system--reverse .tech-system__desc--premium,
    .tech-system--premium.tech-system--reverse .tech-system__actions--premium {
        grid-column: 1;
    }
}

.tech-system__desc--premium {
    margin-top: clamp(20px, 2.5vw, 28px);
    font-size: var(--tech-body-lg);
    line-height: 1.88;
    color: var(--tech-text-soft);
}

.tech-system--premium .tech-system__actions--premium {
    margin-top: clamp(24px, 3vw, 32px);
    padding-top: clamp(20px, 2.5vw, 28px);
    border-top: 1px solid var(--tech-border);
}

/* Buttons on light surfaces */
.tech-btn--on-light.tech-btn--accent {
    color: #fff;
    background: var(--tech-brand);
    box-shadow: 0 6px 24px var(--tech-brand-glow);
}

.tech-btn--on-light.tech-btn--accent:hover {
    background: var(--tech-brand-deep);
}

.tech-btn--ghost {
    color: var(--tech-brand);
    background: transparent;
    border: 2px solid var(--tech-border-strong);
}

.tech-btn--ghost:hover {
    background: var(--tech-brand-muted);
    border-color: var(--tech-brand);
    color: var(--tech-brand-dark);
}

.tech-hub a.tech-btn--ghost,
.tech-hub a.tech-btn--ghost:hover,
.tech-hub a.tech-btn--ghost:visited {
    color: var(--tech-brand);
    text-decoration: none;
}

.tech-hub a.tech-btn--ghost:hover {
    color: var(--tech-brand-dark);
}

.tech-btn--sm {
    padding: 10px 22px;
    font-size: 0.9375rem;
}

/* Footer banner */
.tech-footer-banner--premium {
    padding: clamp(40px, 5vw, 64px) 0 clamp(72px, 9vw, 112px);
    background: linear-gradient(180deg, #fff 0%, var(--tech-surface) 100%);
}

.tech-footer-banner--premium .tech-footer-banner__link {
    display: block;
    border-radius: var(--tech-radius-lg);
    overflow: hidden;
    border: 1px solid var(--tech-border);
    box-shadow: var(--tech-shadow-md);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.tech-footer-banner--premium .tech-footer-banner__link:hover {
    transform: translateY(-4px);
    box-shadow: var(--tech-shadow-lg);
}

/* Responsive */
@media (max-width: 1099px) {
    .tech-systems--premium .tech-systems__nav-wrap {
        background: rgba(255, 255, 255, 0.96);
    }

    .tech-systems__nav--premium {
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
    }
}

@media (max-width: 899px) {
    .tech-hero__premium-grid {
        grid-template-columns: 1fr;
        min-height: auto;
        padding-top: clamp(88px, 12vh, 120px);
        padding-bottom: clamp(64px, 8vh, 96px);
    }

    .tech-flagship__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 959px) {
    .tech-system--premium {
        padding: clamp(20px, 4vw, 28px);
        overflow: visible;
    }

    .tech-system {
        grid-template-columns: minmax(0, 1fr);
        gap: 24px;
        padding: clamp(20px, 4vw, 28px);
        min-width: 0;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }

    .tech-system--reverse {
        direction: ltr;
    }

    .tech-system__visual {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .tech-system__visual-frame--premium {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: clamp(220px, 52vw, 320px);
        padding: 12px;
        width: 100%;
        box-sizing: border-box;
    }

    .tech-system__photo-wrap {
        min-height: clamp(180px, 48vw, 280px);
    }

    .tech-system__photo-wrap .tech-system__photo,
    .tech-system__photo-wrap .tech-system__photo--premium {
        width: auto !important;
        height: auto !important;
        max-width: min(100%, 300px);
        max-height: min(280px, 68vw);
    }

    .tech-system--premium:hover .tech-system__photo--premium {
        transform: none;
    }

    .tech-system__content--premium .tech-system__index {
        font-size: clamp(2.5rem, 12vw, 3.25rem);
    }

    .tech-system__content--premium .tech-system__title {
        overflow-wrap: anywhere;
    }

    .tech-system__desc--premium {
        font-size: 0.9375rem;
        line-height: 1.75;
        overflow-wrap: anywhere;
    }

    .tech-system--premium .tech-system__actions {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .tech-system--premium .tech-system__actions .tech-btn {
        flex: 1 1 auto;
        min-width: 0;
    }

    .tech-system[data-tech-reveal] {
        opacity: 1;
        animation: none;
    }

    .tech-systems__nav-wrap {
        margin-left: 0;
        margin-right: 0;
        padding-left: 0;
        padding-right: 0;
        width: 100%;
        box-sizing: border-box;
    }

    .tech-systems__layout--premium,
    .tech-systems__panels {
        min-width: 0;
        max-width: 100%;
        width: 100%;
    }
}

@media (max-width: 767px) {
    .tech-hub {
        --tech-gutter: 12px;
    }
}

/* ── Mobile / tablet hub (≤1099px) — vertical accordion ───────────── */

.tech-systems__mobile-head {
    display: none;
}

.tech-system__accordion-trigger {
    appearance: none;
    -webkit-appearance: none;
    font: inherit;
    color: inherit;
    text-align: left;
}

.tech-system__accordion-icon {
    display: none;
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    margin-left: auto;
    background: currentColor;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center / contain no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center / contain no-repeat;
    opacity: 0.55;
    transition: transform 0.25s ease;
}

.tech-system__bullets {
    margin: 0;
    padding: 0;
    list-style: none;
}

.tech-system__bullets li {
    position: relative;
    padding-left: 1rem;
    margin-bottom: 0.625rem;
    line-height: 1.65;
    color: var(--tech-text-soft);
}

.tech-system__bullets li:last-child {
    margin-bottom: 0;
}

.tech-system__bullets li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.62em;
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background: var(--tech-brand);
}

@media (min-width: 1100px) {
    .tech-system__accordion-panel {
        display: contents;
    }

    .tech-system__accordion-trigger {
        display: block;
        width: auto;
        padding: 0;
        margin: 0;
        border: none;
        background: transparent;
        cursor: default;
        pointer-events: none;
    }

    .tech-system__accordion-icon {
        display: none !important;
    }

    .tech-systems__nav-hint {
        display: none;
    }
}

@media (max-width: 1099px) {
    .tech-hub {
        --tech-gutter: clamp(12px, 4vw, 20px);
        overflow-x: hidden;
    }

    .tech-systems--premium {
        padding-top: clamp(32px, 5vw, 56px);
        padding-bottom: clamp(40px, 6vw, 64px);
        overflow-x: hidden;
    }

    .tech-systems__layout--premium {
        gap: 0;
        min-width: 0;
        max-width: 100%;
        overflow-x: hidden;
    }

    .tech-systems__nav-wrap {
        display: none !important;
    }

    .tech-systems__mobile-head {
        display: block;
        margin-bottom: 14px;
        padding: 0 2px;
    }

    .tech-systems__mobile-title {
        margin: 0 0 6px;
        font-size: 1.25rem;
        font-weight: 700;
        line-height: 1.35;
        letter-spacing: -0.02em;
        color: var(--tech-brand-dark);
    }

    .tech-systems__mobile-hint {
        margin: 0;
        font-size: 0.8125rem;
        line-height: 1.5;
        color: var(--tech-text-soft);
    }

    .tech-systems__panels {
        display: flex;
        flex-direction: column;
        gap: 10px;
        min-width: 0;
        max-width: 100%;
        overflow: visible;
    }

    .tech-system--premium {
        display: block;
        width: 100%;
        max-width: 100%;
        min-width: 0;
        padding: 0;
        margin: 0;
        box-sizing: border-box;
        border-radius: 14px;
        border: 1px solid var(--tech-border);
        background: #fff;
        box-shadow: 0 4px 16px rgba(0, 77, 65, 0.05);
        overflow: hidden;
        scroll-margin-top: 88px;
    }

    .tech-system--premium.is-accordion-open {
        border-color: rgba(0, 133, 111, 0.28);
        box-shadow: 0 8px 24px rgba(0, 77, 65, 0.08);
    }

    .tech-system--premium,
    .tech-system--premium.tech-system--reverse,
    .tech-system--premium.tech-system--reverse > * {
        direction: ltr;
    }

    .tech-system__accordion-trigger {
        display: flex;
        align-items: center;
        gap: 10px;
        width: 100%;
        margin: 0;
        padding: 14px 14px 14px 16px;
        border: none;
        background: #fff;
        cursor: pointer;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
        position: relative;
        z-index: 2;
        user-select: none;
        -webkit-user-select: none;
    }

    .tech-system--premium.is-accordion-open .tech-system__accordion-trigger {
        background: linear-gradient(180deg, rgba(0, 133, 111, 0.08) 0%, #fff 100%);
        border-bottom: 1px solid rgba(0, 133, 111, 0.12);
    }

    .tech-system__header-row {
        display: flex;
        align-items: center;
        gap: 10px;
        flex: 1;
        min-width: 0;
    }

    .tech-system__accordion-icon {
        display: block;
        color: var(--tech-brand);
    }

    .tech-system--premium.is-accordion-open .tech-system__accordion-icon {
        transform: rotate(180deg);
        opacity: 1;
    }

    .tech-system--premium .tech-system__index {
        flex-shrink: 0;
        margin: 0;
        font-size: 0.75rem;
        font-weight: 800;
        line-height: 1;
        letter-spacing: 0.04em;
        color: #fff;
        background: var(--tech-brand);
        border-radius: 8px;
        padding: 5px 8px;
    }

    .tech-system--premium .tech-system__title {
        margin: 0;
        font-size: 1rem;
        font-weight: 700;
        line-height: 1.4;
        color: var(--tech-brand-dark);
        overflow-wrap: anywhere;
        word-break: break-word;
    }

    .tech-system__accordion-panel {
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.38s ease, opacity 0.28s ease;
    }

    .tech-system--premium.is-accordion-open .tech-system__accordion-panel {
        max-height: 2400px;
        opacity: 1;
    }

    .tech-system__accordion-panel > .tech-system__visual,
    .tech-system__accordion-panel > .tech-system__desc--premium,
    .tech-system__accordion-panel > .tech-system__bullets,
    .tech-system__accordion-panel > .tech-system__actions--premium {
        padding-left: 16px;
        padding-right: 16px;
    }

    .tech-system__visual {
        display: flex;
        justify-content: center;
        align-items: center;
        padding-top: 14px;
    }

    .tech-system__visual-frame--premium {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: clamp(140px, 38vw, 190px);
        padding: 10px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
    }

    .tech-system__photo-wrap {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        min-height: clamp(120px, 34vw, 170px);
        padding: 0;
    }

    .tech-system__photo-wrap .tech-system__photo,
    .tech-system__photo-wrap .tech-system__photo--premium {
        width: auto !important;
        height: auto !important;
        max-width: min(calc(100vw - 96px), 240px);
        max-height: min(180px, 38vw);
        margin: 0 !important;
        object-fit: contain !important;
        object-position: center center;
    }

    .tech-system--premium:hover .tech-system__photo--premium {
        transform: none;
    }

    .tech-system__desc--premium,
    .tech-system__bullets {
        margin: 0;
        padding-top: 12px;
        padding-bottom: 4px;
        font-size: 0.875rem;
        line-height: 1.75;
        overflow-wrap: anywhere;
        word-break: break-word;
        white-space: normal;
        color: var(--tech-text-soft);
    }

    .tech-system--premium .tech-system__actions--premium {
        margin-top: 0;
        padding-top: 12px;
        padding-bottom: 16px;
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
        border-top: 1px solid var(--tech-border);
    }

    .tech-system--premium .tech-system__actions--premium .tech-btn {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        justify-content: center;
        padding: 11px 12px;
        font-size: 0.875rem;
        white-space: normal;
        text-align: center;
        line-height: 1.35;
        box-sizing: border-box;
    }

    .tech-system[data-tech-reveal],
    .tech-system[data-tech-reveal].is-visible {
        opacity: 1;
        animation: none;
        transform: none;
    }
}


/* Legacy live aliases (backward compat) */
.tech-hero--live { min-height: auto; align-items: stretch; padding: 0; }
.tech-intro-repeat { padding: clamp(40px, 6vw, 64px) 0; background: #fff; }
.tech-featured { padding: clamp(56px, 7vw, 96px) 0; }
.tech-systems--live { padding: clamp(56px, 7vw, 96px) 0; }
.tech-system--live { align-items: center; }
.tech-system__visual-frame--live { display: flex; align-items: center; justify-content: center; }
.tech-system__photo--live { width: 200px; height: 200px; object-fit: contain; }
.tech-system__content--live .tech-system__title { color: var(--tech-brand); }
.tech-system__desc--live { line-height: 1.85; color: var(--tech-text-muted); }
.tech-footer-banner { padding: clamp(32px, 5vw, 56px) 0; }