/* ==========================================================================
   BD-Tech — public landing page
   Static, dependency-free stylesheet (no JS, no inline styles)
   ========================================================================== */

:root {
    --ink: #0b1220;
    --ink-2: #111c2e;
    --muted: #5a6678;
    --line: #e3e9f0;
    --paper: #f7f9fb;
    --white: #ffffff;

    --teal-800: #115e59;
    --teal-700: #0f766e;
    --teal-600: #0d9488;
    --teal-500: #14b8a6;
    --teal-100: #ccfbf1;
    --mint: #e8faf5;

    --amber-50: #fffbeb;
    --amber-700: #b45309;

    --shell: 1160px;
    --radius: 18px;
    --shadow-sm: 0 1px 2px rgba(11, 18, 32, 0.05), 0 12px 30px -18px rgba(11, 18, 32, 0.25);
    --shadow-md: 0 30px 70px -34px rgba(11, 18, 32, 0.4);
    --font-sans: "Manrope", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --font-display: "Sora", var(--font-sans);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, p, ul, dl, dd, figure {
    margin: 0;
}

ul {
    padding: 0;
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
}

svg {
    display: block;
    flex: none;
}

::selection {
    background: rgba(13, 148, 136, 0.18);
    color: var(--ink);
}

:focus-visible {
    outline: 3px solid rgba(13, 148, 136, 0.4);
    outline-offset: 3px;
    border-radius: 4px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 12px;
    z-index: 200;
    padding: 10px 18px;
    border-radius: 999px;
    background: var(--white);
    color: var(--ink);
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.skip-link:focus {
    left: 12px;
}

.shell {
    width: min(100% - 40px, var(--shell));
    margin-inline: auto;
}

section[id] {
    scroll-margin-top: 92px;
}

.section-head h2,
.verify__copy h2,
.security .section-head h2,
.faq__intro h2,
.server-promo h2 {
    text-wrap: balance;
}

/* ==========================================================================
   Top bar / header
   ========================================================================== */

.topbar {
    background: var(--ink);
    color: #a9b6c9;
    font-size: 11.5px;
    letter-spacing: 0.05em;
}

.topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 38px;
}

.topbar__status {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: #e3eaf4;
    font-weight: 600;
}

.topbar__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--teal-500);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.18);
}

.topbar__meta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    font-size: 10.5px;
    letter-spacing: 0.12em;
}

.topbar__meta span + span::before {
    content: "·";
    margin-right: 10px;
    color: #5c6a82;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(11, 18, 32, 0.08);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    min-height: 76px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex: none;
}

.brand__mark {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 13px;
    color: var(--white);
    background: linear-gradient(145deg, var(--teal-500), var(--teal-800));
    box-shadow: 0 12px 26px -12px rgba(15, 118, 110, 0.65);
}

.brand__name {
    display: block;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.12;
}

.brand__sub {
    display: block;
    margin-top: 4px;
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #6b7789;
}

.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav a {
    position: relative;
    padding: 8px 0;
    font-size: 13.5px;
    font-weight: 700;
    color: #3f4b5f;
    transition: color 0.18s ease;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--teal-600);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

.nav a:hover {
    color: var(--teal-700);
}

.nav a:hover::after {
    transform: scaleX(1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: none;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 13px 22px;
    border: 1px solid transparent;
    border-radius: 11px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, color 0.18s ease;
}

.btn svg {
    width: 16px;
    height: 16px;
}

.btn--primary {
    background: var(--teal-600);
    color: var(--white);
    box-shadow: 0 14px 28px -14px rgba(13, 148, 136, 0.8);
}

.btn--primary:hover {
    background: var(--teal-700);
    transform: translateY(-1px);
    box-shadow: 0 18px 34px -14px rgba(13, 148, 136, 0.85);
}

.btn--outline {
    border-color: #cfd8e3;
    background: var(--white);
    color: #334155;
    box-shadow: 0 1px 2px rgba(11, 18, 32, 0.04);
}

.btn--outline:hover {
    border-color: #a9b6c6;
    background: #f8fafc;
    transform: translateY(-1px);
}

.btn--ghost {
    color: #3f4b5f;
}

.btn--ghost:hover {
    color: var(--teal-700);
    background: #f1f5f8;
}

.btn--white {
    background: var(--white);
    color: var(--ink);
    box-shadow: 0 16px 32px -18px rgba(0, 0, 0, 0.45);
}

.btn--white:hover {
    transform: translateY(-1px);
    background: #f0fdf9;
}

.btn--sm {
    padding: 10px 16px;
    font-size: 12.5px;
    border-radius: 9px;
}

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

.hero {
    position: relative;
    overflow: hidden;
    padding: 76px 0 92px;
    border-bottom: 1px solid var(--line);
    background:
        radial-gradient(900px 520px at 92% -18%, rgba(20, 184, 166, 0.2), transparent 62%),
        radial-gradient(720px 460px at -8% 112%, rgba(13, 148, 136, 0.12), transparent 60%),
        linear-gradient(180deg, #f3fbf9 0%, #fbfdfd 58%, #ffffff 100%);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(15, 118, 110, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 118, 110, 0.045) 1px, transparent 1px);
    background-size: 54px 54px;
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
    mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
    pointer-events: none;
}

.hero__grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.04fr 0.96fr;
    gap: 56px;
    align-items: center;
}

.hero__copy,
.hero__visual,
.verify__copy,
.verify__panel,
.faq__intro,
.faq-list {
    min-width: 0;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    padding: 7px 14px;
    border: 1px solid #c7e9e2;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.85);
    color: var(--teal-800);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    box-shadow: 0 4px 14px -8px rgba(15, 118, 110, 0.4);
}

.pulse {
    position: relative;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--teal-500);
    box-shadow: 0 0 0 0 rgba(20, 184, 166, 0.45);
    animation: pulse 2.4s infinite;
}

@keyframes pulse {
    70% {
        box-shadow: 0 0 0 9px rgba(20, 184, 166, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(20, 184, 166, 0);
    }
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(42px, 5.3vw, 66px);
    font-weight: 600;
    line-height: 1.03;
    letter-spacing: -0.042em;
    color: var(--ink);
}

.hero h1 span {
    color: var(--teal-600);
}

.hero__lead {
    max-width: 550px;
    margin-top: 22px;
    color: var(--muted);
    font-size: clamp(15.5px, 1.45vw, 17.5px);
    line-height: 1.72;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.hero__trust {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin-top: 24px;
    color: #566476;
    font-size: 12.5px;
    font-weight: 600;
}

.hero__trust li {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.hero__trust svg {
    width: 15px;
    height: 15px;
    color: var(--teal-600);
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    max-width: 480px;
    margin-top: 38px;
    padding-top: 24px;
    border-top: 1px solid #dbe7e4;
}

.hero__stats dt {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--ink);
}

.hero__stats dd {
    margin-top: 7px;
    color: #6a7789;
    font-size: 9.5px;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

/* --- Workspace visual ---------------------------------------------------- */

.hero__visual {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 470px;
    padding: 16px 4px;
}

.workspace {
    position: relative;
    min-width: 0;
    width: min(100%, 440px);
    padding: 22px;
    border: 1px solid #e0e9e7;
    border-radius: 20px;
    background: var(--white);
    box-shadow: 0 40px 90px -38px rgba(11, 18, 32, 0.4), 0 2px 6px rgba(11, 18, 32, 0.04);
}

.workspace__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 16px;
    border-bottom: 1px solid #edf2f4;
}

.workspace__title {
    display: flex;
    align-items: center;
    gap: 11px;
    min-width: 0;
}

.workspace__icon {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: var(--mint);
    color: var(--teal-700);
    flex: none;
}

.workspace__title strong {
    display: block;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.workspace__title small {
    display: block;
    margin-top: 2px;
    color: #8591a3;
    font-size: 10px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 8.5px;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    white-space: nowrap;
}

.chip svg {
    width: 10px;
    height: 10px;
}

.chip--protected {
    background: var(--mint);
    color: var(--teal-800);
}

.workspace__search {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 16px 0;
    padding: 10px 12px;
    border: 1px solid #e5ecf0;
    border-radius: 10px;
    background: #f8fafb;
    color: #8b97a8;
    font-size: 11px;
}

.workspace__search svg {
    width: 14px;
    height: 14px;
}

.workspace__search kbd {
    margin-left: auto;
    padding: 2px 6px;
    border: 1px solid #e2e8ee;
    border-radius: 5px;
    background: var(--white);
    color: #94a0b0;
    font-family: inherit;
    font-size: 9px;
    font-weight: 700;
}

.workspace__list {
    display: grid;
    gap: 8px;
}

.doc-row {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 11px;
    border: 1px solid #eef3f5;
    border-radius: 11px;
    background: #fcfdfe;
}

.doc-row__icon {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 9px;
    flex: none;
}

.doc-row__icon--teal {
    background: #e8faf5;
    color: var(--teal-700);
}

.doc-row__icon--blue {
    background: #eff6ff;
    color: #1d4ed8;
}

.doc-row__icon--amber {
    background: #fffbeb;
    color: #b45309;
}

.doc-row__icon svg {
    width: 15px;
    height: 15px;
}

.doc-row__text {
    min-width: 0;
    flex: 1;
}

.doc-row__text strong {
    display: block;
    overflow: hidden;
    color: #263244;
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: -0.01em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.doc-row__text small {
    display: block;
    margin-top: 2px;
    color: #8b97a8;
    font-size: 9.5px;
}

.status {
    padding: 3px 7px;
    border-radius: 999px;
    font-size: 8.5px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    white-space: nowrap;
}

.status--verified {
    background: #e7f8ef;
    color: #157a4c;
}

.status--stored {
    background: #eef2f7;
    color: #516074;
}

.status--reviewed {
    background: var(--amber-50);
    color: var(--amber-700);
}

.doc-row__more {
    color: #a7b2c1;
}

.doc-row__more svg {
    width: 14px;
    height: 14px;
}

.workspace__foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 16px;
    padding-top: 13px;
    border-top: 1px solid #edf2f4;
    color: #7d899b;
    font-size: 9.5px;
    font-weight: 600;
}

.workspace__foot span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #94a3b8;
}

.dot--green {
    background: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.14);
}

.float-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    border: 1px solid #e2ebe8;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 18px 40px -20px rgba(11, 18, 32, 0.45);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.float-card__icon {
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--mint);
    color: var(--teal-700);
}

.float-card__icon--lock {
    background: #eef2f7;
    color: #475569;
}

.float-card strong {
    display: block;
    color: #1e293b;
    font-size: 11px;
    line-height: 1.25;
}

.float-card small {
    display: block;
    margin-top: 2px;
    color: #8a96a7;
    font-size: 9.5px;
}

.float-card--top {
    top: -26px;
    right: 8px;
    animation: float 7s ease-in-out infinite;
}

.float-card--bottom {
    bottom: -44px;
    left: 10px;
    animation: float 8s ease-in-out infinite reverse;
}

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

/* ==========================================================================
   Section headers
   ========================================================================== */

.section-head {
    max-width: 640px;
    margin-bottom: 40px;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 13px;
    color: var(--teal-700);
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.section-kicker::before {
    content: "";
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
}

.section-head h2,
.verify__copy h2,
.faq__intro h2 {
    font-family: var(--font-display);
    font-size: clamp(30px, 3.6vw, 42px);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.035em;
    color: var(--ink);
}

.section-head p {
    margin-top: 13px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.7;
}

/* ==========================================================================
   Features
   ========================================================================== */

.features {
    padding: 88px 0;
    background: var(--white);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.feature-card {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fcfdfe;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: #cfe0dc;
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.feature-card__icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    margin-bottom: 17px;
    border-radius: 12px;
    background: var(--mint);
    color: var(--teal-700);
}

.feature-card__icon svg {
    width: 20px;
    height: 20px;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 15.5px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.feature-card p {
    margin-top: 8px;
    color: var(--muted);
    font-size: 13.5px;
    line-height: 1.66;
}

/* ==========================================================================
   Process
   ========================================================================== */

.process {
    padding: 84px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, #f4faf8, #f7f9fb);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.step {
    position: relative;
    padding: 26px;
    border: 1px solid #dfeae6;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.9);
}

.step__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-bottom: 16px;
    border-radius: 10px;
    background: var(--mint);
    color: var(--teal-800);
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.step h3 {
    font-family: var(--font-display);
    font-size: 15.5px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.step p {
    margin-top: 8px;
    color: var(--muted);
    font-size: 13.5px;
    line-height: 1.66;
}

/* ==========================================================================
   Verify split
   ========================================================================== */

.verify {
    padding: 88px 0;
    background: var(--white);
}

.verify__grid {
    display: grid;
    grid-template-columns: 1fr 0.92fr;
    gap: 56px;
    align-items: center;
}

.verify__copy p {
    max-width: 520px;
    margin-top: 14px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.72;
}

.check-list {
    display: grid;
    gap: 14px;
    margin-top: 28px;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    color: #4d5a6d;
    font-size: 13.5px;
    line-height: 1.6;
}

.check-list li strong {
    color: var(--ink);
}

.check-list svg {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    color: var(--teal-600);
}

.verify__panel {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fcfdfe;
    box-shadow: var(--shadow-sm);
}

.panel__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 20px 22px;
    border-bottom: 1px solid #e9eff2;
    background: linear-gradient(180deg, #f2fbf8, #fbfdfd);
}

.panel__head h3 {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.panel__live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--teal-700);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.panel__live::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.verify-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 15px 22px;
    border-bottom: 1px solid #eef3f5;
    font-size: 12px;
}

.verify-row:last-child {
    border-bottom: 0;
}

.verify-row span {
    color: #7b8798;
}

.verify-row strong {
    color: #263244;
    font-size: 11.5px;
    font-weight: 800;
    text-align: right;
}

.verify-row .ok {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #0f8a5f;
}

.verify-row .ok svg {
    width: 12px;
    height: 12px;
}

.verify-note {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 22px;
    background: #f4faf8;
    color: #6b7789;
    font-size: 10px;
    border-top: 1px solid #e9eff2;
}

.verify-note strong {
    color: var(--teal-800);
    font-weight: 800;
}

/* ==========================================================================
   Security
   ========================================================================== */

.security {
    position: relative;
    overflow: hidden;
    padding: 88px 0;
    color: var(--white);
    background:
        radial-gradient(760px 420px at 88% -10%, rgba(20, 184, 166, 0.22), transparent 62%),
        linear-gradient(160deg, #071019 0%, #0a1a22 55%, #0c2026 100%);
}

.security::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 90%);
    mask-image: linear-gradient(to bottom, #000 0%, transparent 90%);
    pointer-events: none;
}

.security .shell {
    position: relative;
}

.security .section-head {
    margin-bottom: 38px;
}

.security .section-kicker {
    color: #5eead4;
}

.security .section-head h2 {
    color: var(--white);
}

.security .section-head p {
    color: #a9bcc5;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.security-card {
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.045);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.security-card__icon {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    margin-bottom: 16px;
    border-radius: 11px;
    background: rgba(94, 234, 212, 0.12);
    color: #5eead4;
}

.security-card__icon svg {
    width: 20px;
    height: 20px;
}

.security-card h3 {
    font-family: var(--font-display);
    font-size: 14.5px;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--white);
}

.security-card p {
    margin-top: 8px;
    color: #9fb3bc;
    font-size: 13px;
    line-height: 1.66;
}

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq {
    padding: 84px 0;
    background: var(--white);
}

.faq__grid {
    display: grid;
    grid-template-columns: 0.82fr 1.18fr;
    gap: 52px;
    align-items: start;
}

.faq__intro p {
    margin-top: 14px;
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.7;
}

.faq-list {
    display: grid;
    gap: 10px;
}

.faq-item {
    padding: 0 20px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: #fbfcfd;
    transition: border-color 0.18s ease, background-color 0.18s ease;
}

.faq-item[open] {
    border-color: #cddfda;
    background: var(--white);
}

.faq-item summary {
    position: relative;
    padding: 16px 30px 16px 0;
    cursor: pointer;
    list-style: none;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: #1e293b;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-52%);
    color: var(--teal-600);
    font-size: 19px;
    font-weight: 400;
    line-height: 1;
}

.faq-item[open] summary::after {
    content: "\2013";
}

.faq-item p {
    margin: -2px 0 17px;
    color: var(--muted);
    font-size: 13.5px;
    line-height: 1.7;
}

.faq-item a {
    color: var(--teal-700);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ==========================================================================
   Server promo
   ========================================================================== */

.server-promo {
    position: relative;
    overflow: hidden;
    padding: 56px 0;
    color: var(--white);
    background:
        radial-gradient(560px 300px at 12% 0%, rgba(20, 184, 166, 0.22), transparent 60%),
        linear-gradient(118deg, #0a1620 0%, #0c2028 55%, #0a1a22 100%);
}

.server-promo::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 44px 44px;
    -webkit-mask-image: linear-gradient(to right, #000, transparent 80%);
    mask-image: linear-gradient(to right, #000, transparent 80%);
    pointer-events: none;
}

.server-promo__inner {
    position: relative;
    display: flex;
    align-items: center;
    gap: 24px;
}

.server-promo__icon {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    flex: none;
    border: 1px solid rgba(94, 234, 212, 0.25);
    border-radius: 15px;
    background: rgba(94, 234, 212, 0.1);
    color: #5eead4;
}

.server-promo__icon svg {
    width: 25px;
    height: 25px;
}

.server-promo__copy {
    flex: 1;
    min-width: 0;
}

.server-promo .section-kicker {
    margin-bottom: 8px;
    color: #5eead4;
}

.server-promo h2 {
    font-family: var(--font-display);
    font-size: clamp(24px, 2.8vw, 32px);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.server-promo p {
    max-width: 62ch;
    margin-top: 7px;
    color: #a9bcc5;
    font-size: 13px;
    line-height: 1.65;
}

.server-promo .btn {
    flex: none;
}

.server-promo .btn small {
    display: block;
    margin-top: 0;
    font-size: 9px;
    font-weight: 600;
    opacity: 0.65;
}

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

.footer {
    padding-top: 58px;
    background: #070f17;
    color: #93a1b8;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 44px;
}

.footer__brand .brand__name {
    color: var(--white);
}

.footer__brand .brand__sub {
    color: #7b8aa3;
}

.footer__brand .brand__mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
}

.footer__blurb {
    max-width: 320px;
    margin-top: 17px;
    color: #8896ad;
    font-size: 12.5px;
    line-height: 1.72;
}

.footer__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.footer__badge {
    padding: 5px 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    color: #aab6c9;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.footer h3 {
    margin-bottom: 15px;
    color: #dbe3f0;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.footer__links {
    display: grid;
    gap: 9px;
    font-size: 12.5px;
}

.footer__links a {
    transition: color 0.16s ease;
}

.footer__links a:hover {
    color: var(--white);
}

.footer__links .external {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #5eead4;
}

.footer__links .external svg {
    width: 11px;
    height: 11px;
}

.footer__note {
    margin-top: 14px;
    color: #66758c;
    font-size: 10.5px;
    line-height: 1.6;
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 19px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: #6f7d94;
    font-size: 11px;
}

.footer__bottom a {
    color: #9fb3bc;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.footer__bottom a:hover {
    color: var(--white);
}

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

@media (max-width: 1024px) {
    .hero__grid {
        grid-template-columns: 1fr;
        gap: 46px;
    }

    .hero__visual {
        min-height: 0;
    }

    .verify__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer__grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
}

@media (max-width: 880px) {
    .nav {
        display: none;
    }

    .feature-grid,
    .steps,
    .security-grid {
        grid-template-columns: 1fr;
    }

    .faq__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .server-promo__inner {
        flex-wrap: wrap;
        gap: 18px;
    }

    .server-promo__copy {
        flex-basis: calc(100% - 80px);
    }

    .server-promo .btn {
        margin-left: 78px;
    }
}

@media (max-width: 640px) {
    .shell {
        width: min(100% - 32px, var(--shell));
    }

    .topbar__meta {
        display: none;
    }

    .site-header__inner {
        min-height: 68px;
        gap: 12px;
    }

    .brand__mark {
        width: 38px;
        height: 38px;
        border-radius: 11px;
    }

    .brand__name {
        font-size: 16px;
    }

    .brand__sub {
        display: none;
    }

    .hero {
        padding: 54px 0 66px;
    }

    .hero h1 {
        font-size: clamp(36px, 10.5vw, 48px);
    }

    .hero__actions .btn {
        width: 100%;
    }

    .hero__trust {
        gap: 8px 16px;
        font-size: 11.5px;
    }

    .hero__stats {
        gap: 10px;
    }

    .hero__stats dt {
        font-size: 18px;
    }

    .hero__stats dd {
        font-size: 8px;
        letter-spacing: 0.06em;
    }

    .float-card {
        display: none;
    }

    .workspace {
        padding: 17px;
    }

    .feature-card,
    .step,
    .security-card {
        padding: 22px;
    }

    .features,
    .process,
    .verify,
    .faq {
        padding: 62px 0;
    }

    .security {
        padding: 66px 0;
    }

    .server-promo {
        padding: 46px 0;
    }

    .server-promo__inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .server-promo__copy {
        flex-basis: auto;
    }

    .server-promo .btn {
        margin-left: 0;
        width: 100%;
    }

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

    .footer__bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 7px;
    }
}

@media (max-width: 380px) {
    .header-actions .btn--ghost {
        display: none;
    }

    .workspace {
        padding: 14px;
    }

    .doc-row {
        gap: 8px;
        padding: 9px;
    }

    .doc-row__more {
        display: none;
    }

    .brand__name {
        font-size: 15px;
    }

    .eyebrow {
        padding: 6px 12px;
        font-size: 10px;
        letter-spacing: 0.1em;
    }

    .hero__stats dt {
        font-size: 16px;
    }

    .hero__stats dd {
        font-size: 7.5px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}