@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;700&display=swap');

:root {
    --theme-duration: 0.9s;
    --theme-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --bg: #07111f;
    --bg-secondary: #0b1728;
    --bg-tertiary: #050b15;
    --panel: rgba(10, 22, 40, 0.78);
    --panel-strong: rgba(8, 18, 34, 0.92);
    --surface: rgba(255, 255, 255, 0.03);
    --surface-strong: rgba(11, 24, 44, 0.96);
    --line: rgba(130, 167, 201, 0.18);
    --line-strong: rgba(125, 211, 252, 0.24);
    --text: #e5eefb;
    --text-strong: #ffffff;
    --text-muted: #b7c6da;
    --text-soft: #94a8c3;
    --accent: #5eead4;
    --accent-strong: #38bdf8;
    --accent-soft: rgba(94, 234, 212, 0.1);
    --nav-bg: rgba(7, 17, 31, 0.85);
    --mobile-menu-bg: rgba(7, 17, 31, 0.95);
    --logo-frame-bg: rgba(8, 18, 34, 0.78);
    --logo-frame-border: rgba(125, 211, 252, 0.18);
    --shadow-lg: 0 20px 80px rgba(2, 10, 24, 0.42);
    --grid-line: rgba(125, 211, 252, 0.05);
}

html {
    overflow-x: hidden;
}

* { font-family: 'Manrope', sans-serif; }
h1, h2, h3, h4, .display-font { font-family: 'Space Grotesk', sans-serif; }

body {
    background:
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 34%),
        radial-gradient(circle at top right, rgba(94, 234, 212, 0.12), transparent 28%),
        linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg) 42%, var(--bg-tertiary) 100%);
    color: var(--text);
    transition:
        background var(--theme-duration) var(--theme-ease),
        color var(--theme-duration) var(--theme-ease);
}

body[data-theme="light"] {
    --bg: #f4f8fc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e7f0f8;
    --panel: rgba(255, 255, 255, 0.86);
    --panel-strong: rgba(255, 255, 255, 0.96);
    --surface: rgba(255, 255, 255, 0.85);
    --surface-strong: rgba(247, 251, 255, 1);
    --line: rgba(14, 74, 124, 0.12);
    --line-strong: rgba(56, 189, 248, 0.22);
    --text: #334155;
    --text-strong: #0f172a;
    --text-muted: #475569;
    --text-soft: #64748b;
    --accent-soft: rgba(56, 189, 248, 0.08);
    --nav-bg: rgba(255, 255, 255, 0.88);
    --mobile-menu-bg: rgba(255, 255, 255, 0.96);
    --logo-frame-bg: rgba(255, 255, 255, 0.9);
    --logo-frame-border: rgba(56, 189, 248, 0.16);
    --shadow-lg: 0 20px 80px rgba(15, 23, 42, 0.08);
    --grid-line: rgba(14, 74, 124, 0.05);
}

.site-grid {
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 72px 72px;
    transition: opacity var(--theme-duration) var(--theme-ease);
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    backdrop-filter: blur(16px);
    transition:
        background var(--theme-duration) var(--theme-ease),
        border-color var(--theme-duration) var(--theme-ease),
        box-shadow var(--theme-duration) var(--theme-ease);
}

.panel-strong {
    background: var(--panel-strong);
    border: 1px solid var(--line-strong);
    backdrop-filter: blur(18px);
    transition:
        background var(--theme-duration) var(--theme-ease),
        border-color var(--theme-duration) var(--theme-ease),
        box-shadow var(--theme-duration) var(--theme-ease);
}

.soft-shadow { box-shadow: var(--shadow-lg); }
.section-divider { background: linear-gradient(90deg, transparent, rgba(94, 234, 212, 0.7), transparent); }

.accent-text {
    background: linear-gradient(135deg, #e0f2fe 0%, #5eead4 45%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-orb {
    background:
        radial-gradient(circle at 30% 30%, rgba(94, 234, 212, 0.95), rgba(56, 189, 248, 0.2) 45%, transparent 70%),
        radial-gradient(circle at 70% 65%, rgba(245, 158, 11, 0.28), transparent 26%);
    filter: blur(1px);
}

.chip {
    border: 1px solid rgba(125, 211, 252, 0.15);
    background: var(--accent-soft);
    transition:
        background var(--theme-duration) var(--theme-ease),
        border-color var(--theme-duration) var(--theme-ease),
        color var(--theme-duration) var(--theme-ease);
}

.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-wordmark {
    width: min(190px, 42vw);
    height: auto;
    display: block;
}

.brand-logo-footer {
    width: min(180px, 48vw);
}

.brand-logo {
    object-fit: contain;
}

.site-nav {
    border-bottom: 1px solid var(--line);
    background: var(--nav-bg);
    backdrop-filter: blur(18px);
    transition:
        background var(--theme-duration) var(--theme-ease),
        border-color var(--theme-duration) var(--theme-ease);
}

.site-mobile-menu {
    border-top: 1px solid var(--line);
    background: var(--mobile-menu-bg);
    transition:
        background var(--theme-duration) var(--theme-ease),
        border-color var(--theme-duration) var(--theme-ease);
}

.site-footer {
    border-top-color: var(--line) !important;
}

.site-footer p {
    max-width: 100%;
}

.lang-switcher {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--panel);
    transition:
        background var(--theme-duration) var(--theme-ease),
        border-color var(--theme-duration) var(--theme-ease);
}

.lang-btn {
    min-width: 2.4rem;
    padding: 0.45rem 0.7rem;
    border-radius: 999px;
    border: 0;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1;
    transition: background 0.2s ease, color 0.2s ease;
}

.lang-btn.is-active {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: #06111d;
}

.theme-toggle {
    width: 2.9rem;
    height: 2.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--text-strong);
    transition:
        transform 0.2s ease,
        background var(--theme-duration) var(--theme-ease),
        border-color var(--theme-duration) var(--theme-ease),
        color var(--theme-duration) var(--theme-ease);
}

.theme-toggle:hover {
    transform: translateY(-1px);
    border-color: var(--line-strong);
}

.theme-icon-light { display: none; }

body[data-theme="light"] .theme-icon-dark { display: none; }
body[data-theme="light"] .theme-icon-light { display: inline-block; }

body[data-theme="light"] .hero-orb {
    opacity: 0.32 !important;
}

body[data-theme="light"] .text-white {
    color: var(--text-strong) !important;
}

body[data-theme="light"] .text-slate-300,
body[data-theme="light"] .text-gray-300 {
    color: var(--text-muted) !important;
}

body[data-theme="light"] .text-slate-400,
body[data-theme="light"] .text-slate-500 {
    color: var(--text-soft) !important;
}

body[data-theme="light"] .text-slate-200 {
    color: var(--text-strong) !important;
}

body[data-theme="light"] .text-sky-200\/70,
body[data-theme="light"] .text-sky-200\/60 {
    color: rgba(14, 116, 144, 0.7) !important;
}

body[data-theme="light"] .text-sky-200,
body[data-theme="light"] .text-teal-200,
body[data-theme="light"] .text-amber-200,
body[data-theme="light"] .text-rose-200 {
    color: #0f4c81 !important;
}

body[data-theme="light"] [class*="hover:text-white"]:hover {
    color: var(--text-strong) !important;
}

body[data-theme="light"] [class*="bg-white/["] {
    background: var(--surface) !important;
}

body[data-theme="light"] [class*="border-white/10"] {
    border-color: var(--line) !important;
}

body[data-theme="light"] [class*="border-white/5"] {
    border-color: var(--line) !important;
}

body[data-theme="light"] [class*="hover:bg-white/5"]:hover {
    background: rgba(56, 189, 248, 0.08) !important;
}

body[data-theme="light"] [class*="bg-sky-300/5"] {
    background: rgba(56, 189, 248, 0.08) !important;
}

body[data-theme="light"] [class*="bg-teal-300/10"],
body[data-theme="light"] [class*="bg-sky-300/10"] {
    background: rgba(14, 116, 144, 0.12) !important;
}

body[data-theme="light"] [class*="bg-amber-300/10"] {
    background: rgba(180, 83, 9, 0.12) !important;
}

body[data-theme="light"] [class*="bg-rose-300/10"] {
    background: rgba(190, 24, 93, 0.12) !important;
}

body[data-theme="light"] [class*="bg-teal-300/8"] {
    background: rgba(14, 116, 144, 0.08) !important;
}

body[data-theme="light"] [class*="border-teal-300/20"] {
    border-color: rgba(14, 116, 144, 0.18) !important;
}

body[data-theme="light"] .accent-text {
    background: linear-gradient(135deg, #0f172a 0%, #0f766e 48%, #0369a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body[data-theme="light"] .service-card:hover,
body[data-theme="light"] .project-card:hover,
body[data-theme="light"] .metric-card:hover,
body[data-theme="light"] .contact-card:hover,
body[data-theme="light"] .industry-card:hover {
    background: rgba(255, 255, 255, 0.98);
}

body[data-theme="light"] .section-divider {
    background: linear-gradient(90deg, transparent, rgba(14, 116, 144, 0.55), transparent);
}

.service-card,
.project-card,
.metric-card,
.contact-card,
.industry-card {
    transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.partner-logo-stage {
    width: 280px;
    min-width: 280px;
    height: 148px;
    min-height: 148px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1.5rem;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.98)),
        #ffffff;
    padding: 1.75rem;
    transition:
        border-color var(--theme-duration) var(--theme-ease),
        box-shadow var(--theme-duration) var(--theme-ease);
}

.partner-logo {
    max-width: 100%;
    max-height: 88px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.partner-marquee {
    overflow: hidden;
    position: relative;
    padding-block: 0.25rem;
    max-width: 100%;
    mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.partner-track {
    display: flex;
    align-items: center;
    width: max-content;
    gap: 0;
    will-change: transform;
    animation: partner-scroll 28s linear infinite;
}

.partner-track-group {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    flex-shrink: 0;
}

.partner-track-group > * {
    flex-shrink: 0;
}

.partner-track-group[aria-hidden="true"] .partner-logo-stage,
.partner-track-group[aria-hidden="true"] .partner-logo {
    pointer-events: none;
}

.service-card:hover,
.project-card:hover,
.metric-card:hover,
.contact-card:hover,
.industry-card:hover {
    transform: translateY(-6px);
    border-color: rgba(94, 234, 212, 0.34);
    background: rgba(11, 24, 44, 0.96);
}

@keyframes partner-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.timeline-step::before {
    content: "";
    position: absolute;
    left: 22px;
    top: 56px;
    width: 1px;
    height: calc(100% - 32px);
    background: linear-gradient(180deg, rgba(94, 234, 212, 0.45), rgba(56, 189, 248, 0.08));
}

.timeline-step:last-child::before { display: none; }

@media (max-width: 1024px) {
    .timeline-step::before { left: 19px; }
}

@media (max-width: 640px) {
    .brand-wordmark {
        width: min(150px, 46vw);
    }

    .brand-logo-footer {
        width: min(155px, 52vw);
    }

    .lang-btn {
        min-width: 2.1rem;
        padding: 0.4rem 0.55rem;
    }

    .partner-logo-stage {
        width: 220px;
        min-width: 220px;
        height: 124px;
        min-height: 124px;
    }

    .partner-logo {
        max-height: 72px;
    }

    .partner-track-group {
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .partner-logo-stage {
        width: min(220px, calc(100vw - 2.5rem));
        min-width: min(220px, calc(100vw - 2.5rem));
        height: 112px;
        min-height: 112px;
        padding: 1rem;
        border-radius: 1.25rem;
    }

    .partner-logo {
        max-height: 64px;
    }

    .partner-marquee {
        padding-inline: max(1rem, calc((100vw - min(220px, calc(100vw - 2.5rem))) / 2));
    }
}

@media (max-width: 480px) {
    .lang-switcher {
        width: 100%;
        justify-content: center;
    }

    .lang-btn {
        flex: 1 1 0;
        min-width: 0;
    }

    .partner-logo-stage {
        width: min(210px, calc(100vw - 2rem));
        min-width: min(210px, calc(100vw - 2rem));
    }

    .partner-marquee {
        padding-inline: max(0.75rem, calc((100vw - min(210px, calc(100vw - 2rem))) / 2));
    }
}

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

    * {
        transition: none !important;
    }

    .partner-track {
        animation-duration: 45s;
    }
}