/* ═══════════════════════════════════════════════════════════
   Technologies SubVU inc. — Landing Page Stylesheet
   ═══════════════════════════════════════════════════════════ */

/* ─── Custom Properties ─── */
:root {
    --bg:          #0b0d14;
    --bg-2:        #0f1120;
    --bg-card:     #131629;
    --bg-card-h:   #171c30;
    --border:      rgba(0, 229, 160, 0.12);
    --border-h:    rgba(0, 229, 160, 0.28);
    --accent:      #00e5a0;
    --accent-dim:  rgba(0, 229, 160, 0.15);
    --accent-glow: rgba(0, 229, 160, 0.08);
    --text:        #e6e8f0;
    --text-2:      #9299b0;
    --text-3:      #5a6070;
    --heading:     #f0f2fa;
    --mono:        'DM Mono', monospace;
    --sans:        'Space Grotesk', sans-serif;
    --nav-h:       68px;
    --radius:      12px;
    --radius-sm:   8px;
    --transition:  0.28s cubic-bezier(0.4, 0, 0.2, 1);
    --max-w:       1100px;
    --section-py:  112px;
}

/* ─── Circuit background canvas ─── */
#circuit-bg {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 999;
}

/* ─── Reset & Base ─── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--sans);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.65;
    min-height: 100vh;
    overflow-x: hidden;
}

img, svg { display: block; }

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition), opacity var(--transition);
}

a:hover { opacity: 0.8; }

ul { list-style: none; }


/* ─── Layout helpers ─── */
.section-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: var(--section-py) 2rem;
}

.section-label {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--mono);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 2.5rem;
    opacity: 0.85;
}

.label-line {
    display: inline-block;
    width: 32px;
    height: 1px;
    background: var(--accent);
    opacity: 0.5;
    flex-shrink: 0;
}

.section-heading {
    font-family: var(--sans);
    font-size: clamp(1.9rem, 3.8vw, 3rem);
    font-weight: 600;
    color: var(--heading);
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

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

.section-sub {
    text-align: center;
    font-size: 1.05rem;
    color: var(--text-2);
    max-width: 560px;
    margin: 0 auto 4rem;
    line-height: 1.7;
}

.br-desktop { display: none; }
@media (min-width: 768px) { .br-desktop { display: inline; } }


/* ─── Buttons ─── */
.btn {
    display: inline-block;
    font-family: var(--sans);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    border-radius: 40px;
    padding: 0.75rem 2rem;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn--primary {
    background: var(--accent);
    color: #05070f;
    box-shadow: 0 0 24px rgba(77, 184, 255, 0.25);
}

.btn--primary:hover {
    opacity: 1;
    background: #70c9ff;
    box-shadow: 0 0 36px rgba(77, 184, 255, 0.4);
    transform: translateY(-2px);
}


/* ─── Pulse dot ─── */
.pulse-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    position: relative;
    flex-shrink: 0;
    animation: pulseDot 2.4s ease-in-out infinite;
}

.pulse-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1.5px solid var(--accent);
    opacity: 0;
    animation: pulseRing 2.4s ease-in-out infinite;
}

.pulse-dot--sm {
    width: 6px;
    height: 6px;
    vertical-align: middle;
    margin-right: 6px;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.5; }
}

@keyframes pulseRing {
    0%   { transform: scale(0.8); opacity: 0.6; }
    70%  { transform: scale(1.8); opacity: 0; }
    100% { transform: scale(0.8); opacity: 0; }
}


/* ═══════════════════════════════════
   NAVIGATION
═══════════════════════════════════ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-h);
    transition: background var(--transition), border-color var(--transition),
                backdrop-filter var(--transition);
}

.nav.scrolled {
    background: rgba(11, 13, 20, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.nav__inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.nav__brand {
    font-family: var(--sans);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--heading);
    flex-shrink: 0;
    text-decoration: none;
}

.brand-sub { color: var(--text-2); }
.brand-vu  { color: var(--accent); font-weight: 600; }

.nav__links {
    display: flex;
    gap: 2.2rem;
    align-items: center;
}

.nav__links a {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-2);
    text-decoration: none;
    transition: color var(--transition);
    padding: 0.25rem 0;
}

.nav__links a:hover {
    color: var(--accent);
    opacity: 1;
}

/* Nav right-side action group */
.nav__actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-shrink: 0;
}

/* Language toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 40px;
    padding: 0.3rem 0.75rem;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}

.lang-toggle:hover {
    border-color: var(--border-h);
    background: var(--accent-dim);
}

.lang-toggle__option {
    font-family: var(--mono);
    font-size: 0.6rem;
    font-weight: 400;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-3);
    transition: color var(--transition);
    padding: 0.1rem 0;
}

.lang-toggle__option.active {
    color: var(--accent);
}

.lang-toggle__sep {
    font-family: var(--mono);
    font-size: 0.6rem;
    color: var(--text-3);
    opacity: 0.4;
    line-height: 1;
}

/* Hamburger */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: background var(--transition);
}

.nav__toggle:hover { background: var(--accent-dim); }

.nav__toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav__toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 640px) {
    .nav__toggle { display: flex; }

    .nav__links {
        display: none;
        position: absolute;
        top: var(--nav-h);
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: rgba(11, 13, 20, 0.96);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        padding: 1rem 0;
    }

    .nav__links.open {
        display: flex;
    }

    .nav__links a {
        padding: 0.8rem 2rem;
        display: block;
    }
}


/* ═══════════════════════════════════
   HERO
═══════════════════════════════════ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--nav-h) 2rem 6rem;
    overflow: hidden;
}

/* Background grid */
.hero__bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(77, 184, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(77, 184, 255, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 100%);
}

/* Radial glow */
.hero__glow {
    position: absolute;
    width: 700px;
    height: 700px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse at center, rgba(77, 184, 255, 0.09) 0%, transparent 70%);
    pointer-events: none;
}

.hero__inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.hero__status {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    opacity: 0.85;
    background: var(--accent-dim);
    border: 1px solid var(--border);
    border-radius: 40px;
    padding: 0.4rem 1rem;
    margin-bottom: 2.8rem;
}

.hero__wordmark {
    font-size: clamp(5.5rem, 16vw, 12rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 0.92;
    margin-bottom: 1.8rem;
    font-family: var(--sans);
}

.wm-sub {
    color: var(--heading);
}

.wm-vu {
    color: var(--accent);
    font-weight: 400;
    /* subtle glow on the accent portion */
    text-shadow: 0 0 80px rgba(77, 184, 255, 0.35);
}

.hero__tagline {
    font-family: var(--mono);
    font-size: clamp(0.75rem, 1.8vw, 0.9rem);
    font-weight: 300;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--text-2);
    margin-bottom: 2.2rem;
}

.hero__sub-tagline {
    font-family: var(--sans);
    font-size: clamp(0.9rem, 1.8vw, 1.05rem);
    font-weight: 400;
    color: var(--text-2);
    letter-spacing: 0.01em;
    margin-top: -1.4rem;
    margin-bottom: 2.2rem;
}

.hero__sub {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--text-2);
    max-width: 540px;
    line-height: 1.75;
    margin-bottom: 3rem;
}

.hero__scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-3);
}

.scroll-line {
    width: 1px;
    height: 36px;
    background: linear-gradient(to bottom, var(--text-3), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(1); }
    50%       { opacity: 0.9; transform: scaleY(0.85); }
}


/* ═══════════════════════════════════
   MISSION
═══════════════════════════════════ */

.mission {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.mission__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: start;
}

@media (min-width: 840px) {
    .mission__layout {
        grid-template-columns: 1fr 1fr;
        gap: 6rem;
    }
}

.mission__copy p {
    color: var(--text-2);
    line-height: 1.8;
    margin-bottom: 1.2rem;
    font-size: 1.02rem;
}

.mission__copy p:last-child { margin-bottom: 0; }

.mission__stats {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.stat-card {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.4rem 1.6rem;
    transition: border-color var(--transition), background var(--transition);
}

.stat-card:hover {
    border-color: var(--border-h);
    background: var(--bg-card-h);
}

.stat-card__icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    margin-top: 2px;
}

.stat-card__text {
    font-size: 0.92rem;
    color: var(--text-2);
    line-height: 1.55;
}


/* ═══════════════════════════════════
   APPLICATIONS
═══════════════════════════════════ */

.applications { background: var(--bg); }

.app-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.6rem;
}

@media (min-width: 780px) {
    .app-cards {
        grid-template-columns: 1fr 1fr;
    }
}

.app-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.2rem 2rem 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    transition: border-color var(--transition), background var(--transition),
                transform var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}

/* Top accent bar */
.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.4;
    transition: opacity var(--transition);
}

.app-card:hover {
    border-color: var(--border-h);
    background: var(--bg-card-h);
    transform: translateY(-4px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35),
                0 0 0 1px var(--border-h);
}

.app-card:hover::before { opacity: 0.9; }

.app-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.app-card__icon {
    width: 48px;
    height: 48px;
}

.app-card__tag {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-3);
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 20px;
    margin-top: 4px;
}

.app-card__title {
    font-size: 1.45rem;
    font-weight: 600;
    color: var(--heading);
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.app-card__desc {
    font-size: 0.95rem;
    color: var(--text-2);
    line-height: 1.75;
}

.app-card__bullets {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.app-card__bullets li {
    display: flex;
    align-items: baseline;
    gap: 0.7rem;
    font-size: 0.88rem;
    color: var(--text-2);
    line-height: 1.5;
}

.app-card__bullets li::before {
    content: '—';
    color: var(--accent);
    opacity: 0.6;
    flex-shrink: 0;
    font-size: 0.75rem;
}

.app-card__footer {
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.app-card__stage {
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    opacity: 0.7;
}


/* ═══════════════════════════════════
   FOUNDER QUOTE
═══════════════════════════════════ */

.founder {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.founder__inner {
    max-width: 740px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.6rem;
}

.founder__quote-mark {
    font-size: 6rem;
    line-height: 0.6;
    color: var(--accent);
    opacity: 0.2;
    font-family: Georgia, serif;
    user-select: none;
}

.founder__quote {
    font-size: clamp(1.25rem, 2.8vw, 1.75rem);
    font-weight: 300;
    color: var(--heading);
    line-height: 1.55;
    letter-spacing: -0.01em;
    font-style: normal;
}

.founder__attr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.founder__name {
    font-family: var(--sans);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--accent);
    letter-spacing: 0.04em;
}

.founder__title {
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--text-3);
    line-height: 1.7;
    text-align: center;
}


/* ═══════════════════════════════════
   STICK COLLECTION
═══════════════════════════════════ */

.sticks {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    position: relative;
}

/* Accent stripe on the left edge */
.sticks::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--accent), transparent);
    opacity: 0.5;
}

.sticks__header {
    margin-bottom: 3.5rem;
    max-width: 680px;
}

.sticks__intro {
    color: var(--text-2);
    font-size: 1.02rem;
    line-height: 1.8;
    margin-top: 1.4rem;
}

/* Conditions grid */
.sticks__conditions {
    margin-bottom: 3.5rem;
}

.sticks__conditions-label {
    font-family: var(--mono);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 1.6rem;
}

.sticks__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 640px) {
    .sticks__grid {
        grid-template-columns: 1fr 1fr;
    }
}

.stick-card {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.4rem 1.5rem;
    transition: border-color var(--transition), background var(--transition);
    position: relative;
    overflow: hidden;
}

.stick-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.stick-card:hover {
    border-color: var(--border-h);
    background: var(--bg-card-h);
}

.stick-card:hover::after {
    opacity: 0.7;
}

.stick-card__icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    margin-top: 2px;
}

.stick-card__text {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.stick-card__title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--heading);
    line-height: 1.35;
}

.stick-card__desc {
    font-size: 0.85rem;
    color: var(--text-2);
    line-height: 1.6;
}

/* Contact bar */
.sticks__contact-bar {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem 1.8rem;
    font-size: 0.92rem;
    color: var(--text-2);
    transition: border-color var(--transition), background var(--transition);
}

.sticks__contact-bar:hover {
    border-color: var(--border-h);
    background: var(--bg-card-h);
}

.sticks__contact-bar svg {
    flex-shrink: 0;
    opacity: 0.8;
}

.sticks__contact-link {
    color: var(--accent);
    text-decoration: none;
    transition: opacity var(--transition);
    font-size: 0.92rem;
}

.sticks__contact-link:hover {
    opacity: 0.75;
}


/* ═══════════════════════════════════
   CONTACT
═══════════════════════════════════ */

.contact { background: var(--bg); }

.contact__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5rem;
    align-items: start;
}

@media (min-width: 840px) {
    .contact__layout {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

.contact__copy p {
    color: var(--text-2);
    line-height: 1.8;
    font-size: 1.02rem;
}

.contact__card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.contact-item {
    padding: 1.2rem 1.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.contact-item:last-child { border-bottom: none; }

.contact-item:hover { background: var(--bg-card-h); }

.contact-item__label {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-3);
}

.contact-item__value {
    font-size: 0.95rem;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 6px;
}

a.contact-item__value {
    color: var(--accent);
    text-decoration: none;
}

a.contact-item__value:hover {
    opacity: 0.75;
    text-decoration: underline;
    text-underline-offset: 3px;
}


/* ═══════════════════════════════════
   FOOTER
═══════════════════════════════════ */

.footer {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    padding: 3rem 2rem;
}

.footer__inner {
    max-width: var(--max-w);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.4rem;
    text-align: center;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
}

.footer__name {
    font-family: var(--sans);
    font-weight: 600;
    font-size: 1rem;
    color: var(--heading);
    letter-spacing: 0.01em;
}

.footer__loc {
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-3);
}

.footer__tagline {
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    opacity: 0.7;
    padding: 0.45rem 1.2rem;
    border: 1px solid var(--border);
    border-radius: 40px;
    background: var(--accent-dim);
}

.footer__copy {
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    color: var(--text-3);
}


/* ═══════════════════════════════════
   SCROLL-REVEAL ANIMATION
═══════════════════════════════════ */

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }


/* ═══════════════════════════════════
   RESPONSIVE — small mobile extras
═══════════════════════════════════ */

@media (max-width: 480px) {
    :root {
        --section-py: 72px;
    }

    .hero__scroll-hint { display: none; }

    .mission__layout { gap: 3rem; }

    .app-card { padding: 1.6rem 1.4rem 1.4rem; }

    .contact__layout { gap: 2.5rem; }
}


/* ═══════════════════════════════════
   CURSOR GLOW — Lumos effect
═══════════════════════════════════ */

#cursor-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1000;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(0,229,160,1.0) 0%, rgba(0,229,160,0.5) 20%, rgba(0,229,160,0.1) 38%, transparent 52%);
    opacity: 0;
    transition: opacity 0.4s ease;
    will-change: transform, left, top;
    mix-blend-mode: screen;
}