@font-face {
    font-family: "Guka Thin";
    src: local("Guka Thin"), local("Guka-Thin"), local("Guka");
    font-weight: 100;
    font-style: normal;
    font-display: swap;
}

:root {
    --font-main: "Guka Thin", "Roboto Mono", "Cascadia Mono", "Consolas", monospace;
    --ink-black: #01161eff;
    --dark-teal: #124559ff;
    --air-force-blue: #598392ff;
    --ash-grey: #aec3b0ff;
    --beige: #eff6e0ff;
    --text: var(--beige);
    --muted: rgba(239, 246, 224, 0.72);
    --ink: var(--ink-black);
    --panel: rgba(174, 195, 176, 0.14);
    --panel-strong: rgba(174, 195, 176, 0.23);
    --panel-soft: rgba(174, 195, 176, 0.08);
    --line: rgba(239, 246, 224, 0.28);
    --shadow: 0 24px 70px rgba(1, 22, 30, 0.46);
    --focus: var(--ash-grey);
    --accent: var(--air-force-blue);
    --accent-2: var(--beige);
    --danger: #e07a7a;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    font-family: var(--font-main);
    font-weight: 100;
    letter-spacing: 0;
    background:
        linear-gradient(115deg, rgba(1, 22, 30, 0.98), rgba(18, 69, 89, 0.92) 36%, rgba(89, 131, 146, 0.78) 72%, rgba(1, 22, 30, 0.98)),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 84px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 84px);
    background-attachment: fixed;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    content: "";
    background:
        linear-gradient(135deg, rgba(174, 195, 176, 0.2), transparent 34%),
        linear-gradient(315deg, rgba(89, 131, 146, 0.2), transparent 38%),
        linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.24));
}

a {
    color: inherit;
}

.text-muted,
.form-text,
p.text-muted {
    color: var(--muted) !important;
}

.text-primary {
    color: var(--focus) !important;
}

.text-success {
    color: var(--accent) !important;
}

.text-warning {
    color: var(--accent-2) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.bg-white,
.bg-light {
    background: transparent !important;
}

.navbar {
    position: sticky;
    top: 16px;
    z-index: 10;
    width: min(1180px, calc(100% - 28px));
    margin: 16px auto 0;
    padding: 0.82rem 1rem !important;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(174, 195, 176, 0.13);
    box-shadow: var(--shadow);
    backdrop-filter: blur(22px) saturate(150%);
    -webkit-backdrop-filter: blur(22px) saturate(150%);
}

.navbar .container {
    padding-inline: 0;
}

.navbar-brand {
    display: inline-flex;
    gap: 0.55rem;
    align-items: center;
    color: var(--text) !important;
    font-size: 1rem;
    text-transform: uppercase;
}

.navbar-brand i {
    color: var(--focus);
}

.navbar-nav {
    gap: 0.35rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-link {
    position: relative;
    color: var(--muted) !important;
    border-radius: 999px;
    padding: 0.5rem 0.82rem !important;
    transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--text) !important;
    background: rgba(174, 195, 176, 0.13);
    transform: translateY(-1px);
}

.nav-button {
    display: inline-flex;
    gap: 0.35rem;
    align-items: center;
    border: 1px solid var(--line);
    background: rgba(174, 195, 176, 0.1);
}

.nav-button.active,
.nav-button:hover,
.nav-button:focus {
    border-color: rgba(239, 246, 224, 0.48);
    background: rgba(174, 195, 176, 0.18);
}

.navbar-toggler {
    border-color: var(--line);
    background: rgba(174, 195, 176, 0.13);
}

main,
.hero-section,
section {
    position: relative;
}

main.container,
.hero-section .container,
section > .container {
    width: min(1120px, calc(100% - 28px));
}

main {
    min-height: 68vh;
    padding-top: 2.2rem;
}

.row {
    --bs-gutter-y: 1.25rem;
}

.hero-section {
    display: grid;
    min-height: 64vh;
    align-items: center;
    padding: 5.5rem 0 3rem;
}

.display-4,
h1,
h2,
h3,
h4,
h5,
.fw-bold,
.fw-medium {
    font-family: var(--font-main);
    font-weight: 100 !important;
    letter-spacing: 0;
}

.display-4 {
    font-size: clamp(2.1rem, 5vw, 4.8rem);
    line-height: 1.02;
}

.lead {
    color: var(--muted);
    font-size: 1rem;
}

.card,
.alert,
.upload-area,
.converter-box,
.table-responsive,
.form-control,
.form-select,
.input-group-text {
    border: 1px solid var(--line);
    background: var(--panel);
    box-shadow: var(--shadow);
    backdrop-filter: blur(22px) saturate(145%);
    -webkit-backdrop-filter: blur(22px) saturate(145%);
}

.card,
.alert,
.upload-area,
.converter-box,
.table-responsive {
    border-radius: 18px;
}

.card {
    color: var(--text);
    overflow: hidden;
}

.card:hover {
    border-color: rgba(239, 246, 224, 0.48);
}

.row.g-4 .card,
.row.mb-5 .card,
.row.mb-4 .card {
    min-height: 100%;
}

.bg-primary,
.bg-success,
.bg-info,
.bg-secondary,
.bg-warning {
    background: var(--panel-strong) !important;
    color: var(--text) !important;
}

.badge {
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(174, 195, 176, 0.13) !important;
    color: var(--text) !important;
    font-weight: 100;
}

.btn {
    border-radius: 999px;
    font-family: var(--font-main);
    font-weight: 100;
    letter-spacing: 0;
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

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

.btn-primary,
.btn-success {
    border: 1px solid rgba(255, 255, 255, 0.42);
    background: linear-gradient(135deg, rgba(174, 195, 176, 0.36), rgba(89, 131, 146, 0.34)) !important;
    color: var(--text) !important;
    box-shadow: 0 14px 34px rgba(1, 22, 30, 0.28);
}

.btn-outline-primary,
.btn-outline-secondary,
.btn-outline-danger,
.btn-outline-success {
    border-color: var(--line);
    color: var(--text);
    background: rgba(174, 195, 176, 0.1);
}

.btn-link {
    color: var(--focus);
}

.action-group {
    display: inline-flex;
    gap: 0.45rem;
    align-items: center;
}

.action-group .btn {
    display: inline-grid;
    width: 38px;
    height: 38px;
    place-items: center;
    padding: 0;
}



.form-label {
    color: var(--text);
}

.form-control,
.form-select {
    color: var(--text);
    border-radius: 14px;
    min-height: 48px;
}

.form-select {
    color-scheme: dark;
}

.form-select option {
    color: var(--ink-black);
    background: var(--beige);
}

.form-select option:checked,
.form-select option:hover {
    color: var(--ink-black);
    background: var(--ash-grey);
}

.form-control::placeholder {
    color: rgba(239, 246, 224, 0.48);
}

.form-control:focus,
.form-select:focus {
    color: var(--text);
    border-color: var(--focus);
    background: rgba(174, 195, 176, 0.18);
    box-shadow: 0 0 0 0.22rem rgba(174, 195, 176, 0.16);
}

.form-check-input {
    border-color: var(--line);
    background-color: rgba(174, 195, 176, 0.14);
}

.form-check-input:checked {
    border-color: var(--focus);
    background-color: var(--focus);
}

.upload-area {
    display: grid;
    min-height: 230px;
    place-items: center;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--focus);
    background: rgba(174, 195, 176, 0.14);
    transform: translateY(-2px);
}

.upload-icon {
    color: var(--focus);
    font-size: 3rem;
}

.table {
    margin-bottom: 0;
    color: var(--text);
}

.table > :not(caption) > * > * {
    color: var(--text);
    border-bottom-color: rgba(239, 246, 224, 0.14);
    background: transparent;
}

.table-hover > tbody > tr:hover > * {
    color: var(--text);
    background: rgba(174, 195, 176, 0.1);
}

pre,
code,
.font-monospace {
    font-family: var(--font-main) !important;
}

pre {
    white-space: pre-wrap;
}

.footer {
    padding: 2.5rem 1rem;
    background: transparent;
}

.testimonials-section {
    position: relative;
}

.testimonials-eyebrow {
    color: var(--focus);
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.testimonial-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--panel-soft);
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: rgba(239, 246, 224, 0.42) !important;
    background: var(--panel);
}

.testimonial-card::before {
    position: absolute;
    top: 1.1rem;
    right: 1.25rem;
    color: rgba(174, 195, 176, 0.22);
    font-family: Georgia, serif;
    font-size: 3.5rem;
    line-height: 1;
    content: "\201C";
    pointer-events: none;
}

.testimonial-stars {
    display: inline-flex;
    gap: 0.2rem;
    color: var(--focus);
    font-size: 0.82rem;
}

.testimonial-quote {
    position: relative;
    z-index: 1;
    color: var(--text);
    font-size: 0.98rem;
    line-height: 1.65;
}

.testimonial-avatar {
    display: grid;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(174, 195, 176, 0.28), rgba(89, 131, 146, 0.24));
    color: var(--text);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
}

.testimonial-name {
    color: var(--text);
    font-size: 0.95rem;
}

.testimonial-role {
    font-size: 0.82rem;
}

.embed-body {
    min-height: 100vh;
    background:
        linear-gradient(135deg, rgba(1, 22, 30, 0.98), rgba(18, 69, 89, 0.94) 56%, rgba(89, 131, 146, 0.82));
    background-attachment: scroll;
}

.embed-body::before {
    display: none;
}

.embed-shell {
    min-height: 100vh;
    padding: 1rem;
}

.embed-shell .card {
    max-width: 680px;
    margin: 0 auto;
}

.embed-upload {
    min-height: 185px;
}

@media (max-width: 768px) {
    .navbar {
        top: 10px;
        width: min(100% - 18px, 1180px);
        border-radius: 16px;
    }

    .navbar-nav {
        padding-top: 0.75rem;
    }

    main.container,
    .hero-section .container,
    section > .container {
        width: min(100% - 18px, 1120px);
    }

    main {
        padding-top: 1.25rem;
    }

    .card,
    .alert {
        padding: 1.2rem !important;
    }

    .hero-section {
        min-height: auto;
        padding: 3.75rem 0 2rem;
    }

    .d-flex.gap-3 {
        gap: 0.75rem !important;
    }

    .btn-lg {
        width: 100%;
    }
}

.list-group-item {
    background: transparent;
    color: var(--text);
    border-color: var(--line);
}

.list-group-item-action:hover, 
.list-group-item-action:focus {
    background: rgba(174, 195, 176, 0.1);
    color: var(--text);
}

.list-group-item.active {
    background: linear-gradient(135deg, rgba(174, 195, 176, 0.36), rgba(89, 131, 146, 0.34)) !important;
    border-color: transparent !important;
    color: var(--text) !important;
}