/* ===========================================================
   MESTRA — base styles
   =========================================================== */

:root {
    /* Brand palette (tuned to the screenshot) */
    --green: #3FBF6A;
    --green-bright: #4ADE80;
    --green-soft: rgba(63, 191, 106, 0.18);
    --green-ring: rgba(63, 191, 106, 0.45);

    --bg-0: #06120C;          /* deepest background */
    --bg-1: #0A1A12;          /* section background */
    --bg-2: #0E2419;          /* card background */
    --bg-3: #14301F;          /* elevated card */

    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.16);

    --text: #E8F1EB;
    --text-dim: rgba(232, 241, 235, 0.72);
    --text-muted: rgba(232, 241, 235, 0.55);

    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-pill: 999px;

    --container: 1200px;
    --header-h: 84px;

    --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-0);
    color: var(--text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 28px;
}

/* ===========================================================
   Fixed parallax background
   =========================================================== */

.bg-fixed {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.bg-image {
    position: absolute;
    inset: -2%; /* slight overscan so edges never show during zoom */
    background-image: url('assets/Background.png');
    background-size: cover;
    background-position: center 30%;
    transform-origin: center 40%;
    transform: scale(1);
    transition: transform 120ms linear;
    will-change: transform;
}

.bg-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 25%, rgba(0, 0, 0, 0) 0%, rgba(6, 18, 12, 0.30) 70%, rgba(6, 18, 12, 0.50) 100%),
        linear-gradient(180deg, rgba(6, 18, 12, 0.25) 0%, rgba(6, 18, 12, 0.45) 100%);
}

.bg-net {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: none;
    opacity: 0.75;
    mix-blend-mode: screen;
}

/* ===========================================================
   Header
   =========================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    height: var(--header-h);
    display: flex;
    align-items: center;
    transition: background-color 250ms ease, border-color 250ms ease, backdrop-filter 250ms ease;
    border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
    background: rgba(6, 18, 12, 0.78);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border-bottom-color: var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.14em;
}

.brand-logo {
    width: 34px;
    height: 34px;
    object-fit: contain;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.5));
}

.brand-name {
    font-size: 1.05rem;
    letter-spacing: 0.2em;
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: 36px;
    font-size: 0.95rem;
    color: var(--text-dim);
}

.primary-nav a {
    position: relative;
    padding: 6px 0;
    transition: color 180ms ease;
}

.primary-nav a:hover { color: #fff; }

.primary-nav a::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--green);
    border-radius: 2px;
    transform: translateX(-50%);
    transition: width 200ms ease;
}
.primary-nav a:hover::after { width: 100%; }

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* Language switch */
.lang-switch {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    padding: 4px;
}

.lang-switch button {
    background: transparent;
    color: var(--text-dim);
    border: 0;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    transition: background 180ms ease, color 180ms ease;
}

.lang-switch button.active {
    background: var(--green);
    color: #06140C;
}

/* Mobile nav toggle (hamburger -> X) */
.nav-toggle {
    display: none;
    position: relative;
    width: 42px;
    height: 42px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0;
    z-index: 60;
    transition: border-color 200ms ease, background 200ms ease;
}

/* Mobile overlay menu is hidden by default; shown only at <=1100px */
.mobile-menu { display: none; }
.nav-toggle span {
    position: absolute;
    left: 50%;
    top: 50%;
    display: block;
    height: 2px;
    width: 20px;
    margin-left: -10px;
    background: #fff;
    border-radius: 2px;
    transition: transform 240ms ease, opacity 200ms ease, top 240ms ease;
}
.nav-toggle span:nth-child(1) { transform: translateY(-6px); }
.nav-toggle span:nth-child(2) { transform: translateY(0); }
.nav-toggle span:nth-child(3) { transform: translateY(6px); }

.site-header.menu-open .nav-toggle {
    border-color: var(--line-strong);
}
.site-header.menu-open .nav-toggle span:nth-child(1) {
    transform: rotate(45deg);
}
.site-header.menu-open .nav-toggle span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.site-header.menu-open .nav-toggle span:nth-child(3) {
    transform: rotate(-45deg);
}

/* ===========================================================
   Buttons
   =========================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-pill);
    padding: 14px 28px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--green);
    color: #06140C;
    box-shadow: 0 12px 30px -10px rgba(63, 191, 106, 0.55);
}
.btn-primary:hover { background: var(--green-bright); transform: translateY(-1px); }

.btn-outline {
    background: rgba(10, 26, 18, 0.55);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(6px);
}
.btn-outline:hover {
    border-color: var(--green-ring);
    color: #fff;
}

.btn-outline-pill {
    padding: 10px 20px;
    font-size: 0.88rem;
    color: var(--green);
    border-color: var(--green-ring);
    background: rgba(63, 191, 106, 0.08);
}
.btn-outline-pill:hover {
    background: var(--green);
    color: #06140C;
}

.btn-lg { padding: 18px 36px; font-size: 1rem; }

/* ===========================================================
   Hero
   =========================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-h) + 40px) 0 80px;
    text-align: center;
}

.hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    max-width: 880px;
}

.pill {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    background: rgba(10, 26, 18, 0.55);
    border: 1px solid var(--green-ring);
    color: var(--green-bright);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    backdrop-filter: blur(8px);
}

.hero-title {
    margin: 0;
    font-size: clamp(3.2rem, 9vw, 7rem);
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.02em;
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.line-white { color: #fff; }
.line-green { color: var(--green-bright); }

.hero-sub {
    margin: 0;
    max-width: 640px;
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    color: var(--text-dim);
    line-height: 1.6;
    text-shadow: 0 4px 18px rgba(0, 0, 0, 0.5);
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-top: 8px;
}

.scroll-cue {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
}
.scroll-cue svg { animation: bounce 1.8s ease-in-out infinite; }

@keyframes bounce {
    0%, 100% { transform: translateY(0); opacity: 0.5; }
    50%      { transform: translateY(6px); opacity: 1; }
}

/* ===========================================================
   Sections (general)
   =========================================================== */

.section {
    position: relative;
    padding: 120px 0;
    z-index: 1;
}

.section-dark    { background: transparent; }
.section-darker  { background: transparent; }
.section-cta     { background: transparent; }

.section-head {
    max-width: 760px;
    margin: 0 auto 64px;
    text-align: center;
}

.section-head--left {
    margin-left: 0;
    margin-right: auto;
    text-align: left;
    max-width: 760px;
}
.section-head--left .lead {
    margin-left: 0;
    margin-right: 0;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    margin-bottom: 22px;
    border-radius: var(--radius-pill);
    background: rgba(10, 26, 18, 0.55);
    border: 1px solid var(--green-ring);
    color: var(--green-bright);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    backdrop-filter: blur(8px);
}

.section-head h2 {
    margin: 0 0 18px;
    font-size: clamp(2rem, 4.4vw, 3.4rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.015em;
    color: #fff;
    text-shadow: 0 4px 22px rgba(0, 0, 0, 0.55);
}

.accent { color: var(--green-bright); }

.lead {
    margin: 0 auto 14px;
    max-width: 640px;
    color: var(--text-dim);
    font-size: 1.05rem;
    line-height: 1.65;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.5);
}

/* ===========================================================
   Grids & cards
   =========================================================== */

.grid {
    display: grid;
    gap: 22px;
}
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
    padding: 28px;
    background: rgba(14, 36, 25, 0.6);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}
.card:hover {
    transform: translateY(-3px);
    border-color: var(--green-ring);
    background: rgba(20, 48, 31, 0.72);
}

.card h3 {
    margin: 0 0 8px;
    font-size: 1.1rem;
    color: #fff;
}
.card p {
    margin: 0;
    color: var(--text-dim);
    font-size: 0.95rem;
}

.card-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-bottom: 22px;
    border-radius: 12px;
    background: rgba(63, 191, 106, 0.10);
    border: 1px solid var(--green-ring);
    color: var(--green-bright);
    transition: background 220ms ease, transform 220ms ease;
}
.card-ico svg {
    width: 22px;
    height: 22px;
    display: block;
}
.card:hover .card-ico {
    background: rgba(63, 191, 106, 0.18);
    transform: translateY(-1px);
}

.card-icon {
    position: relative;
    padding-top: 38px;
}
.card-icon::before {
    content: '';
    position: absolute;
    top: 22px;
    left: 28px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 6px var(--green-soft);
}

/* ===========================================================
   Platform / Orchestration diagram
   =========================================================== */

.orchestration {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 36px;
}

.orchestration-core {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 14px 26px;
    background: rgba(14, 36, 25, 0.78);
    border: 1px solid var(--green-ring);
    border-radius: var(--radius-pill);
    color: #fff;
    backdrop-filter: blur(10px);
    box-shadow: 0 18px 40px -18px rgba(63, 191, 106, 0.55);
}
.core-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 4px var(--green-soft);
    animation: pulse-dot 2.4s ease-in-out infinite;
}
.orchestration-core strong {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.22em;
}
.core-label {
    color: var(--text-dim);
    font-size: 0.9rem;
    letter-spacing: 0.04em;
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 4px rgba(63, 191, 106, 0.18); }
    50%      { box-shadow: 0 0 0 8px rgba(63, 191, 106, 0.05); }
}

.orchestration-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.orch-tile {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 22px 22px 20px;
    background: rgba(14, 36, 25, 0.55);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    transition: border-color 200ms ease, transform 200ms ease, background 200ms ease;
}
.orch-tile:hover {
    border-color: var(--green-ring);
    transform: translateY(-2px);
    background: rgba(20, 48, 31, 0.65);
}
.orch-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--green-bright);
    margin-bottom: 6px;
}
.orch-ico svg { width: 24px; height: 24px; display: block; }
.orch-tile h3 {
    margin: 0;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}
.orch-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--green-bright);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
}
.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 3px var(--green-soft);
}

/* ===========================================================
   Tiers (Solutions)
   =========================================================== */

.tiers { gap: 24px; }

.tier {
    position: relative;
    padding: 36px 28px;
    background: rgba(14, 36, 25, 0.55);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: transform 220ms ease, border-color 220ms ease;
}
.tier:hover { transform: translateY(-4px); border-color: var(--green-ring); }

.tier-featured {
    border-color: var(--green-ring);
    background:
        radial-gradient(ellipse at 50% 0%, rgba(63, 191, 106, 0.22), transparent 60%),
        rgba(20, 48, 31, 0.78);
    box-shadow: 0 30px 60px -25px rgba(63, 191, 106, 0.45);
}

.tier-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--green);
    color: #06140C;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
}

.tier-head { margin-bottom: 22px; }
.tier-head h3 {
    margin: 0 0 8px;
    color: #fff;
    font-size: 1.3rem;
    letter-spacing: 0.02em;
}
.tier-quote {
    margin: 0;
    color: var(--green-bright);
    font-style: italic;
    font-size: 0.98rem;
}

.tier-features {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.tier-features li {
    position: relative;
    padding-left: 26px;
    color: var(--text-dim);
    font-size: 0.95rem;
}
.tier-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 14px;
    height: 14px;
    background:
        linear-gradient(180deg, var(--green) 0%, var(--green-bright) 100%);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--green-soft);
}

/* ===========================================================
   Stats & chips
   =========================================================== */

.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    margin-bottom: 36px;
}

.stat {
    text-align: center;
    padding: 36px 24px;
    background: rgba(14, 36, 25, 0.55);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.stat-value {
    display: block;
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 700;
    color: var(--green-bright);
    line-height: 1;
    letter-spacing: -0.02em;
}
.stat-label {
    display: block;
    margin-top: 10px;
    color: var(--text-dim);
    font-size: 0.95rem;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}
.chip {
    padding: 10px 18px;
    border-radius: var(--radius-pill);
    background: rgba(63, 191, 106, 0.08);
    border: 1px solid var(--green-ring);
    color: var(--green-bright);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
}

/* ===========================================================
   CTA section
   =========================================================== */

.cta-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.cta-note {
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.04em;
}

/* ===========================================================
   Footer
   =========================================================== */

.site-footer {
    position: relative;
    z-index: 1;
    padding: 80px 0 32px;
    background: linear-gradient(180deg, rgba(6, 18, 12, 0.55) 0%, rgba(4, 16, 10, 0.78) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--line);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--line);
}

.footer-brand .brand { margin-bottom: 14px; }
.footer-tag {
    margin: 0;
    color: var(--text-dim);
    font-size: 1.05rem;
    max-width: 320px;
}

.footer-col h4 {
    margin: 0 0 16px;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--green-bright);
}
.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-col a {
    color: var(--text-dim);
    transition: color 180ms ease;
}
.footer-col a:hover { color: #fff; }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding-top: 24px;
    color: var(--text-muted);
    font-size: 0.85rem;
}
.footer-legal {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 22px;
}
.footer-legal a:hover { color: #fff; }

/* ===========================================================
   Reveal-on-scroll
   =========================================================== */

.reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 360ms ease-out, transform 360ms ease-out;
}
.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .scroll-cue svg { animation: none; }
    html { scroll-behavior: auto; }
    .bg-image { transition: none; }
}

/* ===========================================================
   Responsive
   =========================================================== */

@media (max-width: 1100px) {
    .primary-nav { display: none; }
    .header-actions .btn-outline-pill { display: none; }
    .nav-toggle { display: inline-block; }

    /* Full-screen mobile menu overlay */
    .mobile-menu {
        display: flex;
        position: fixed;
        inset: 0;
        z-index: 45;
        flex-direction: column;
        padding: calc(var(--header-h) + 24px) 28px 40px;
        background: rgba(6, 18, 12, 0.78);
        backdrop-filter: blur(22px) saturate(140%);
        -webkit-backdrop-filter: blur(22px) saturate(140%);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity 260ms ease, transform 260ms ease, visibility 260ms ease;
    }
    .site-header.menu-open ~ .mobile-menu,
    .mobile-menu.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .mobile-menu nav {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }
    .mobile-menu nav a {
        display: block;
        padding: 14px 0;
        font-size: 1.15rem;
        font-weight: 600;
        color: #fff;
        letter-spacing: 0.01em;
        transition: color 180ms ease, transform 180ms ease;
    }
    .mobile-menu nav a:hover {
        color: var(--green-bright);
        transform: translateX(4px);
    }
    .mobile-menu .mobile-cta {
        margin-top: 22px;
        width: 100%;
        justify-content: center;
        padding: 16px 28px;
        font-size: 0.95rem;
    }

    /* Prevent background scroll when menu is open */
    body.menu-open {
        overflow: hidden;
    }
}

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .orchestration-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .tiers { grid-template-columns: 1fr; }
    .stats { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
    :root { --header-h: 72px; }

    .section { padding: 88px 0; }
    .section-head { margin-bottom: 44px; }

    .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stats { grid-template-columns: 1fr; }
    .orchestration-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 540px) {
    .container { padding: 0 20px; }
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .orchestration-grid { grid-template-columns: 1fr; }
    .header-actions { gap: 8px; }
    .lang-switch button { padding: 5px 10px; font-size: 0.72rem; }
    .hero-ctas .btn { width: 100%; }
    .hero-ctas { width: 100%; flex-direction: column; }
}