:root {
    --color-bg: #0a0a0c;
    --color-bg-elevated: #14161b;
    --color-bg-panel: rgba(20, 22, 27, 0.92);
    --color-surface: rgba(255, 255, 255, 0.04);
    --color-surface-strong: rgba(255, 255, 255, 0.08);
    --color-border: #23262c;
    --color-border-strong: rgba(183, 228, 238, 0.28);
    --color-text: #f2f3f5;
    --color-text-soft: rgba(242, 243, 245, 0.72);
    --color-text-muted: rgba(242, 243, 245, 0.44);
    --color-accent: #b7e4ee;
    --color-accent-deep: #8acbda;
    --color-accent-soft: rgba(183, 228, 238, 0.12);
    --color-success: #9fdf85;
    --color-danger: #ff8c8c;
    --shadow-soft: 0 18px 44px rgba(0, 0, 0, 0.24);
    --shadow-strong: 0 28px 80px rgba(0, 0, 0, 0.4);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --container: 1180px;
    --font-heading: 'Geist', sans-serif;
    --font-body: 'Geist', sans-serif;
    --font-ui: 'Sora', sans-serif;
    --transition-fast: 180ms ease;
    --transition-base: 260ms ease;
    --transition-slow: 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.015) 0, rgba(255, 255, 255, 0) 180px),
        linear-gradient(180deg, #080a0d 0%, #0b0f14 100%);
    overflow-x: hidden;
}

body.menu-open {
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
}

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

button,
input,
textarea {
    font: inherit;
}

button {
    background: none;
    border: none;
    cursor: pointer;
}

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

.site-grid {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 70%);
}

.container {
    width: min(100% - 24px, var(--container));
    margin: 0 auto;
}

.section-shell {
    position: relative;
    z-index: 1;
    padding: 5.5rem 0;
}

.bblogo,
a.bblogo {
    font-family: var(--font-ui) !important;
    font-weight: 500 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.68em !important;
    color: #ffffff !important;
}

.bblogo::before,
a.bblogo::before {
    content: '·';
    color: var(--color-accent);
    margin-right: 0.34em;
    letter-spacing: 0;
    font-weight: 700;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    min-height: 38px;
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-text-soft);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.32rem;
    text-transform: uppercase;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    padding: 0.9rem 0;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: rgba(9, 11, 15, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: background-color var(--transition-base);
}

.site-header.scrolled {
    border-color: rgba(255, 255, 255, 0.06);
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.22);
}

.site-header.scrolled::before {
    background: rgba(9, 11, 15, 0.92);
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    position: relative;
    z-index: 3;
    font-size: 1rem;
    line-height: 1;
}

.nav-panel {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.menu {
    display: flex;
    align-items: center;
    gap: 1.4rem;
}

.menu a,
.footer-links a {
    position: relative;
    color: var(--color-text-soft);
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    transition: color var(--transition-fast);
}

.menu a::after,
.footer-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.35rem;
    width: 100%;
    height: 1px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition-slow);
}

.menu a:hover,
.menu a.active,
.footer-links a:hover {
    color: var(--color-text);
}

.menu a:hover::after,
.menu a.active::after,
.footer-links a:hover::after {
    transform: scaleX(1);
}

.menu-toggle {
    display: none;
    position: relative;
    z-index: 3;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.menu-toggle:hover {
    border-color: var(--color-accent);
    background: rgba(183, 228, 238, 0.06);
}

.menu-toggle span {
    display: block;
    width: 18px;
    height: 1.5px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0.85rem 1.2rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.btn-primary {
    color: #071417;
    background: linear-gradient(180deg, #d4eff7 0%, var(--color-accent) 100%);
    box-shadow: 0 14px 34px rgba(183, 228, 238, 0.18);
}

.btn-primary:hover {
    box-shadow: 0 18px 40px rgba(183, 228, 238, 0.26);
}

.btn-secondary {
    border-color: var(--color-border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-text);
}

.btn-secondary:hover {
    border-color: var(--color-border-strong);
    color: var(--color-accent);
}

.btn-nav {
    min-height: 44px;
    padding-inline: 1rem;
}

.hero {
    padding-top: 6rem;
    min-height: calc(100vh - 74px);
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #1a1d22 0%, #0d0f13 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../img/bg-hero.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.15;
    z-index: 0;
    animation: parallax-zoom 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 50% 50%, rgba(255, 255, 255, 0.05) 0%, rgba(9, 11, 15, 0.95) 100%);
    z-index: 1;
    pointer-events: none;
}

.hero-layout {
    position: relative;
    z-index: 2;
    display: grid;
    gap: 2rem;
    align-items: center;
}

.split-layout {
    display: grid;
    gap: 2rem;
}

.hero-copy h1,
.section-copy h2,
.section-heading h2 {
    margin: 1.25rem 0 0;
    font-family: var(--font-heading);
    font-size: clamp(2.15rem, 8vw, 4.6rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.hero-lead,
.section-copy p,
.section-heading p,
.service-card p,
.service-card small,
.process-step p,
.difference-item p,
.detail-row p,
.contact-details p,
.footer-copy,
.footer-bottom p {
    color: var(--color-text-soft);
}

.hero-lead {
    max-width: 45rem;
    margin-top: 1.25rem;
    font-size: 1.02rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 1.8rem;
}

.hero-values {
    display: grid;
    gap: 0.9rem;
    margin-top: 2rem;
}

.value-point,
.capability-card,
.service-card,
.process-step,
.detail-row,
.side-panel {
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--color-border);
}

.difference-item {
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.contact-shell {
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
}

.value-point {
    padding: 1rem 1rem 1.1rem;
    border-radius: var(--radius-sm);
}

.value-point strong {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 1rem;
}

.hero-panel {
    position: relative;
}

.panel-window {
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-bg-panel);
    box-shadow: var(--shadow-strong);
}

.panel-window-top {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 52px;
    padding: 0.95rem 1.15rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.025);
}

.window-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
}

.panel-window-top p {
    margin: 0 0 0 0.4rem;
    color: var(--color-text-muted);
    font-size: 0.78rem;
    letter-spacing: 0.14rem;
    text-transform: uppercase;
}

.panel-window-body {
    padding: 1.15rem;
}

.capability-grid {
    display: grid;
    gap: 0.9rem;
}

.capability-card {
    padding: 1.05rem;
    border-radius: var(--radius-sm);
}

.capability-card span,
.service-label {
    color: var(--color-accent);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.14rem;
    text-transform: uppercase;
}

.capability-card h2 {
    margin: 0.7rem 0 0.55rem;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    line-height: 1.35;
}

.capability-card p {
    margin: 0;
    color: var(--color-text-soft);
}

.panel-divider {
    height: 1px;
    margin: 1rem 0;
    background: rgba(255, 255, 255, 0.08);
}

.hero-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.hero-tech span,
.tech-strip-track span {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0.4rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.02);
    color: var(--color-text-soft);
    font-size: 0.8rem;
}

.tech-strip {
    position: relative;
    z-index: 1;
    padding: 1rem 0;
    border-block: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.015);
}

.tech-strip-track {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.split-layout {
    align-items: start;
}

.section-copy,
.section-heading {
    max-width: 50rem;
}

.section-copy p,
.section-heading p {
    margin: 1rem 0 0;
}

.about-points,
.contact-details {
    display: grid;
    gap: 0.9rem;
    margin-top: 1.6rem;
}

.detail-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius-sm);
}

.detail-row i {
    margin-top: 0.2rem;
    color: var(--color-accent);
    font-size: 1.05rem;
}

.detail-row h3,
.side-panel h3,
.service-card h3,
.process-step h3,
.difference-item h3,
.form-success h3 {
    margin: 0 0 0.35rem;
    font-family: var(--font-heading);
    font-size: 1.05rem;
}

.media-frame {
    margin: 0;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-strong);
}

.media-frame img {
    width: 100%;
    height: 100%;
    min-height: 320px;
    object-fit: cover;
}

.about-side {
    display: grid;
    gap: 1rem;
}

.side-panel {
    padding: 1.15rem;
    border-radius: var(--radius-md);
}

.side-panel ul {
    display: grid;
    gap: 0.8rem;
    margin-top: 1rem;
}

.side-panel li,
.showcase-list li {
    position: relative;
    padding-left: 1rem;
    color: var(--color-text-soft);
}

.side-panel li::before,
.showcase-list li::before {
    content: "";
    position: absolute;
    top: 0.68rem;
    left: 0;
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 50%;
    background: var(--color-accent);
}

.services {
    background: rgba(255, 255, 255, 0.012);
}

.section-heading {
    margin-bottom: 1.8rem;
}

.services-grid,
.process-grid,
.difference-list {
    display: grid;
    gap: 1rem;
}

.service-card {
    padding: 1.2rem;
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.service-card:hover,
.difference-item:hover,
.process-step:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-strong);
}

.service-card h3 {
    margin-top: 0.75rem;
}

.service-card p {
    margin: 0;
}

.service-card small {
    display: block;
    margin-top: 0.9rem;
    font-size: 0.85rem;
}

.process-grid {
    margin-top: 1.8rem;
}

.process-step {
    padding: 1.2rem;
    border-radius: var(--radius-md);
}

.process-step span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-weight: 800;
}

.process-step h3 {
    margin-top: 1rem;
}

.difference-item {
    padding: 1.15rem 0;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: transparent;
    box-shadow: none;
}

.split-layout-reverse {
    align-items: center;
}

.contact-shell {
    position: relative;
    padding: 1.2rem;
    border-radius: var(--radius-lg);
}

.contact-form {
    position: relative;
    z-index: 1;
}

.form-grid {
    display: grid;
    gap: 1rem;
}

.form-group {
    display: grid;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.form-group label {
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    min-height: 48px;
    padding: 0.75rem 0;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 0;
    background: transparent;
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition-fast);
}

.form-group textarea {
    min-height: 120px;
    resize: none;
    padding-top: 0.75rem;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(242, 243, 245, 0.32);
}

.form-group input:focus,
.form-group textarea:focus {
    border-bottom-color: var(--color-accent);
}

.form-group-captcha {
    margin-top: 0.2rem;
}

.error-message {
    min-height: 1rem;
    color: var(--color-danger);
    font-size: 0.82rem;
}

.form-status {
    min-height: 1.25rem;
    margin-bottom: 1rem;
    color: var(--color-text-soft);
    font-size: 0.92rem;
}

.form-status.is-error {
    color: var(--color-danger);
}

.form-status.is-success {
    color: var(--color-success);
}

.btn-submit {
    width: 100%;
}

.btn-submit:disabled {
    opacity: 0.75;
    cursor: wait;
}

.form-success {
    position: absolute;
    inset: 1.2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem;
    border-radius: calc(var(--radius-lg) - 8px);
    background: rgba(9, 11, 15, 0.95);
    border: 1px solid rgba(151, 223, 252, 0.18);
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.form-success.show {
    opacity: 1;
    visibility: visible;
}

.form-success i {
    font-size: 3rem;
    color: var(--color-success);
}

.site-footer {
    position: relative;
    z-index: 1;
    padding: 1.5rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.01);
}

.footer-layout,
.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-brand {
    margin: 0 0 0.4rem;
}

.footer-copy,
.footer-bottom p {
    margin: 0;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.25rem;
}

[data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.75s ease, transform 0.75s ease;
}

[data-reveal="left"] {
    transform: translateX(24px);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

@keyframes parallax-zoom {

    0%,
    100% {
        transform: scale(1) translateZ(0);
    }

    50% {
        transform: scale(1.05) translateZ(0);
    }
}

@media (min-width: 768px) {
    .container {
        width: min(100% - 40px, var(--container));
    }

    .section-shell {
        padding: 6.5rem 0;
    }

    .hero-values,
    .capability-grid,
    .services-grid,
    .process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .form-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 992px) {
    .section-shell {
        padding: 7.5rem 0;
    }

    .hero-layout,
    .split-layout {
        grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
        gap: 3rem;
    }

    .hero-copy h1 {
        max-width: 11ch;
    }

    .services-grid {
        grid-template-columns: repeat(12, minmax(0, 1fr));
    }

    .service-card {
        grid-column: span 4;
    }

    .service-card-wide {
        grid-column: span 6;
    }

    .process-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .difference-list {
        gap: 0;
    }

    .footer-layout,
    .footer-bottom {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

@media (max-width: 991px) {
    .menu-toggle {
        display: inline-flex;
    }

    .menu-toggle.active {
        position: fixed;
        top: 0.85rem;
        right: 12px;
        z-index: 55;
    }

    .nav-panel {
        position: fixed;
        inset: 0;
        z-index: 50;
        width: 100%;
        padding: 5rem 1.75rem 2.5rem;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 2rem;
        background: rgba(10, 10, 12, 0.98);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        transform: translateX(100%);
        transition: transform var(--transition-slow);
        will-change: transform;
        overflow-x: hidden;
        overflow-y: auto;
    }

    .nav-panel.active {
        transform: translateX(0);
    }

    .menu {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .menu a {
        display: block;
        width: 100%;
        padding: 0.75rem 0;
        font-size: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .menu a::after {
        display: none;
    }

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

@media (max-width: 767px) {
    html {
        font-size: 15px;
    }

    .bblogo,
    a.bblogo {
        letter-spacing: 0.4rem !important;
    }

    .section-kicker {
        font-size: 0.62rem;
        letter-spacing: 0.1rem;
        padding: 0.35rem 0.65rem;
        min-height: auto;
    }

    .hero-copy h1 {
        font-size: clamp(1.65rem, 7.5vw, 2.4rem);
        line-height: 1.1;
    }

    .hero {
        padding-top: 5rem;
    }

    .hero::before {
        background-attachment: scroll;
        animation: parallax-zoom 25s ease-in-out infinite;
        opacity: 0.08;
    }
}

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

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }

    [data-reveal] {
        opacity: 1;
        transform: none;
    }
}