:root {
    --bg: #0b0c10;
    --bg-footer: #06070a;
    --glass: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text: #f4f4f8;
    --muted: #94a3b8;
    --purple: #a855f7;
    --pink: #ec4899;
    --blue: #3b82f6;
    --cyan: #22d3ee;
    --green: #34d399;
    --gradient: linear-gradient(135deg, var(--blue) 0%, var(--purple) 50%, var(--pink) 100%);
    --gradient-h: linear-gradient(90deg, var(--blue), var(--purple), var(--pink));
    --radius: 16px;
    --radius-lg: 24px;
    --header-h: 72px;
    --container: min(1180px, 92vw);
    --font: "Inter", system-ui, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

.container {
    width: var(--container);
    margin-inline: auto;
}

/* Background effects */
.bg-orbs {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
}

.orb-1 {
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, var(--purple), transparent 70%);
    top: -120px;
    left: -80px;
}

.orb-2 {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, var(--pink), transparent 70%);
    top: 40%;
    right: -100px;
}

.orb-3 {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, var(--blue), transparent 70%);
    bottom: 10%;
    left: 30%;
}

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

.shape {
    position: absolute;
    opacity: 0.15;
    border: 1px solid rgba(168, 85, 247, 0.4);
}

.shape-cube {
    width: 40px;
    height: 40px;
    top: 18%;
    right: 12%;
    transform: rotate(45deg);
    background: linear-gradient(135deg, var(--purple), transparent);
}

.shape-prism {
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-bottom: 36px solid rgba(34, 211, 238, 0.3);
    top: 55%;
    left: 8%;
}

.shape-sm {
    width: 24px;
    height: 24px;
    top: 72%;
    right: 22%;
}

.site-header,
main,
.site-footer,
.contact-modal {
    position: relative;
    z-index: 1;
}

/* Glass */
.glass-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    border-radius: 999px;
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
    font-family: inherit;
}

.btn-gradient {
    background: var(--gradient-h);
    color: #fff;
    box-shadow: 0 8px 32px rgba(168, 85, 247, 0.35);
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(236, 72, 153, 0.4);
}

.btn-sm {
    padding: 0.55rem 1.25rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 0.9rem 2.25rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 12, 16, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-h);
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--gradient);
}

.logo-icon svg {
    stroke: #fff;
    fill: #fff;
}

.logo-text {
    background: var(--gradient-h);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.main-nav ul {
    display: flex;
    gap: 1.5rem;
}

.main-nav a {
    font-size: 0.875rem;
    color: var(--muted);
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    transition: color 0.2s;
}

.main-nav a:hover {
    color: var(--text);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--muted);
}

.lang-btn {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font: inherit;
    padding: 0;
}

.lang-btn.is-active {
    color: var(--text);
    font-weight: 600;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
}

/* Hero */
.hero {
    padding: 3rem 0 4rem;
    text-align: center;
}

.hero-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--purple);
    margin: 0 0 1rem;
}

.hero-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 1rem;
    max-width: 720px;
    margin-inline: auto;
}

.hero-sub {
    color: var(--muted);
    max-width: 560px;
    margin: 0 auto 2.5rem;
    font-size: 1.05rem;
}

.hero-visual {
    position: relative;
    max-width: 920px;
    margin: 0 auto 2rem;
}

.hero-dashboard {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), 0 0 60px rgba(168, 85, 247, 0.15);
}

.hero-float {
    position: absolute;
    padding: 0.65rem 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-align: left;
    z-index: 2;
}

.hero-float .metric-up {
    display: block;
    color: var(--green);
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.hero-float-left {
    top: 15%;
    left: 0;
    transform: translateX(-10%);
}

.hero-float-right {
    top: 25%;
    right: 0;
    transform: translateX(10%);
}

.hero-cta {
    margin-top: 0.5rem;
}

/* Sections */
.section {
    padding: 4.5rem 0;
}

.section-title {
    text-align: center;
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 700;
    letter-spacing: 0.12em;
    margin: 0 0 2.5rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.service-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    min-height: 260px;
    transition: border-color 0.25s, transform 0.25s;
}

.service-card:hover {
    border-color: rgba(168, 85, 247, 0.4);
    transform: translateY(-4px);
}

.service-icon {
    color: var(--cyan);
    margin-bottom: 0.75rem;
}

.service-tag {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--purple);
    margin-bottom: 0.35rem;
}

.service-card h3 {
    font-size: 1.05rem;
    margin: 0 0 0.5rem;
}

.service-card p {
    color: var(--muted);
    font-size: 0.875rem;
    flex: 1;
    margin: 0 0 1rem;
}

.service-link {
    font-size: 0.85rem;
    color: var(--cyan);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.service-card-placeholder {
    border-style: dashed;
    border-color: rgba(148, 163, 184, 0.35);
    background: transparent;
    text-align: center;
    align-items: center;
}

.placeholder-icon {
    color: var(--muted);
    opacity: 0.6;
}

/* Cases */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.case-card {
    padding: 1.5rem 1.75rem;
}

.case-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.case-head h3 {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin: 0;
    flex: 1;
}

.case-thumb {
    border-radius: 8px;
    opacity: 0.7;
}

.case-chart {
    height: 100px;
    margin-bottom: 1rem;
}

.case-chart svg {
    width: 100%;
    height: 100%;
}

.chart-line {
    filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.8));
}

.case-chart-blue .chart-line {
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.8));
}

.case-metrics {
    display: flex;
    gap: 2rem;
}

.case-metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-metric-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--green);
}

.cases-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.75rem;
}

.cases-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    padding: 0;
    transition: background 0.2s, transform 0.2s;
}

.cases-dot.is-active {
    background: var(--gradient-h);
    transform: scale(1.25);
}

/* Team */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.team-card {
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    transition: transform 0.3s, box-shadow 0.3s;
}

.team-photo {
    position: relative;
    overflow: hidden;
}

.team-photo img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    mix-blend-mode: luminosity;
    opacity: 0.9;
}

.team-gradient-pink {
    background: linear-gradient(160deg, var(--pink), var(--purple));
}

.team-gradient-purple {
    background: linear-gradient(160deg, var(--purple), var(--blue));
}

.team-gradient-blue {
    background: linear-gradient(160deg, var(--blue), var(--cyan));
}

.team-gradient-cyan {
    background: linear-gradient(160deg, var(--cyan), var(--purple));
}

.team-info {
    padding: 1rem 1.25rem 1.25rem;
}

.team-info h3 {
    margin: 0;
    font-size: 1.1rem;
}

.team-role {
    color: var(--muted);
    font-size: 0.85rem;
    margin: 0.2rem 0 0.75rem;
}

.team-details {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.35s, opacity 0.35s, margin 0.35s;
}

.team-details li {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 0.35rem;
}

.team-details .icon {
    color: var(--green);
    flex-shrink: 0;
    margin-top: 2px;
}

.team-hover-hint {
    font-size: 0.7rem;
    color: var(--purple);
    opacity: 0.6;
}

.team-card:hover .team-details,
.team-card.is-featured .team-details {
    max-height: 120px;
    opacity: 1;
    margin-bottom: 0.5rem;
}

.team-card:hover,
.team-card.is-featured {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(168, 85, 247, 0.2);
}

.team-card.is-featured {
    border-color: rgba(168, 85, 247, 0.45);
}

/* Reviews */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.review-card {
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.review-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
}

.review-body h3 {
    margin: 0;
    font-size: 1rem;
}

.review-role {
    font-size: 0.8rem;
    color: var(--muted);
    margin: 0.15rem 0 0.65rem;
}

.review-body blockquote {
    margin: 0;
    font-size: 0.875rem;
    color: rgba(244, 244, 248, 0.85);
    line-height: 1.55;
}

/* Blog teaser */
.blog-teaser {
    text-align: center;
}

.blog-lead {
    color: var(--muted);
    max-width: 480px;
    margin: -1rem auto 0;
}

.blog-lead a {
    color: var(--cyan);
}

/* Footer */
.site-footer {
    background: var(--bg-footer);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 3.5rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding-bottom: 2.5rem;
}

.footer-col h4 {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin: 0 0 1rem;
    text-transform: uppercase;
}

.footer-col a {
    color: rgba(244, 244, 248, 0.75);
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--text);
}

.footer-col li {
    margin-bottom: 0.5rem;
}

.footer-contact-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--muted);
    transition: color 0.2s, border-color 0.2s;
}

.footer-social a:hover {
    color: var(--cyan);
    border-color: rgba(34, 211, 238, 0.4);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 1.25rem 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--muted);
}

.footer-legal {
    color: var(--muted);
}

.footer-legal:hover {
    color: var(--text);
}

/* Contact modal */
.contact-modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, visibility 0.25s;
}

.contact-modal.is-open {
    opacity: 1;
    visibility: visible;
}

.contact-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
}

.contact-modal-panel {
    position: relative;
    width: min(440px, 100%);
    padding: 2rem;
    z-index: 1;
}

.contact-modal-close {
    position: absolute;
    top: 0.75rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.75rem;
    cursor: pointer;
    line-height: 1;
}

.contact-modal h2 {
    margin: 0 0 0.35rem;
    font-size: 1.35rem;
}

.contact-modal-sub {
    color: var(--muted);
    font-size: 0.875rem;
    margin: 0 0 1.25rem;
}

.contact-form label {
    display: block;
    margin-bottom: 0.85rem;
}

.contact-form label span {
    display: block;
    font-size: 0.75rem;
    color: var(--muted);
    margin-bottom: 0.3rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.35);
    color: var(--text);
    font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--purple);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(120%);
    background: var(--gradient-h);
    color: #fff;
    padding: 0.85rem 1.5rem;
    border-radius: 999px;
    font-size: 0.875rem;
    z-index: 300;
    transition: transform 0.3s;
    max-width: 90vw;
    text-align: center;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: rgba(11, 12, 16, 0.98);
        padding: 1.5rem;
        border-bottom: 1px solid var(--glass-border);
        transform: translateY(-120%);
        opacity: 0;
        transition: transform 0.3s, opacity 0.3s;
    }

    .main-nav.is-open {
        transform: translateY(0);
        opacity: 1;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 1rem;
    }

    .menu-toggle {
        display: flex;
    }

    .header-cta {
        display: none;
    }

    .hero-float {
        display: none;
    }

    .cases-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 520px) {
    .services-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

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

    .lang-switch {
        display: none;
    }
}