html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Inter', sans-serif;
}
.anchor-target {
    scroll-margin-top: 110px;
}
.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.no-scrollbar::-webkit-scrollbar {
    display: none;
}
html.dark body {
    background-color: #050a14 !important;
    color: #cbd5e1 !important;
}
html.dark {
    color-scheme: dark;
}
h1, h2, h3, h4 {
    font-family: 'Manrope', sans-serif;
}
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}
.glass-nav {
    position: relative;
    background: linear-gradient(110deg, rgba(1, 21, 105, 0.86), rgba(0, 55, 180, 0.74)) !important;
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(186, 230, 253, 0.3);
    box-shadow: 0 14px 34px rgba(2, 6, 23, 0.22);
    animation: navFadeIn 0.55s ease-out both;
}
.glass-nav::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.22) 50%, transparent 100%);
    transform: translateX(-130%);
    animation: navShimmer 8.5s ease-in-out infinite;
}
.nav-inner {
    position: relative;
    z-index: 2;
}
.main-content {
    padding-top: 72px;
}
.nav-brand {
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(186, 230, 253, 0.65);
    border-radius: 0.85rem;
    padding: 0.42rem 0.7rem;
    box-shadow: 0 8px 18px rgba(2, 6, 23, 0.2);
}
.nav-links .nav-link {
    position: relative;
    flex: 0 0 auto;
    padding: 0.45rem 0.62rem;
    font-size: clamp(0.86rem, 0.84rem + 0.2vw, 1.03rem);
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.01em;
    transition: color 0.2s ease;
}
.nav-links .nav-link::after {
    content: "";
    position: absolute;
    left: 0.62rem;
    right: 0.62rem;
    bottom: 0.1rem;
    height: 2px;
    border-radius: 9999px;
    background: linear-gradient(90deg, #7dd3fc, #93c5fd);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.25s ease;
}
.nav-links .nav-link:hover {
    color: #ffffff;
}
.nav-links .nav-link:hover::after {
    transform: scaleX(1);
}
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    border-radius: 9999px;
    padding: 0.3rem 0.32rem 0.3rem 1.15rem;
    font-size: 0.93rem;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(135deg, #0050cb 0%, #1d4ed8 100%);
    border: 1px solid rgba(147, 197, 253, 0.6);
    box-shadow: 0 10px 20px rgba(0, 80, 203, 0.34);
    transition: transform 0.2s ease, filter 0.2s ease;
}
.nav-cta:hover {
    transform: translateY(-2px);
    filter: brightness(1.08);
}
.nav-cta-icon {
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 9999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.98);
    color: #1d4ed8;
    font-size: 1.25rem;
}

@keyframes navFadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes navShimmer {
    0% { transform: translateX(-130%); opacity: 0; }
    22% { opacity: 0.4; }
    48% { transform: translateX(130%); opacity: 0; }
    100% { transform: translateX(130%); opacity: 0; }
}
#portfolio-filters .filter-btn,
#portfolio-filters-v2 .filter-btn,
#use-case-tabs .use-tab {
    flex: 0 0 auto;
}
@media (max-width: 900px) {
    .main-content {
        padding-top: 64px;
    }
    .glass-nav .max-w-7xl {
        gap: 0.7rem !important;
        padding-top: 0.65rem !important;
        padding-bottom: 0.65rem !important;
    }
    .nav-brand img[alt="Steelab logo"] {
        height: 30px !important;
    }
    .nav-links {
        gap: 0.25rem !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    .nav-links .nav-link {
        font-size: 0.78rem !important;
        line-height: 1.2 !important;
        padding: 0.45rem 0.55rem !important;
    }
}
@media (max-width: 640px) {
    .glass-nav .max-w-7xl {
        gap: 0.55rem !important;
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
    }
    .nav-brand {
        padding: 0.28rem 0.55rem;
        border-radius: 0.72rem;
    }
    .nav-brand img[alt="Steelab logo"] {
        height: 26px !important;
    }
    .nav-links .nav-link {
        font-size: 0.74rem !important;
        padding: 0.4rem 0.48rem !important;
    }
}
.hero-gradient {
    background: linear-gradient(135deg, #0050cb 0%, #0066ff 100%);
}

/* ===== Hero v2 ===== */
.hero-tech {
    min-height: clamp(640px, 84vh, 920px);
    background:
        radial-gradient(circle at 50% 14%, rgba(147, 197, 253, 0.32), rgba(147, 197, 253, 0) 44%),
        radial-gradient(circle at 16% 82%, rgba(56, 189, 248, 0.33), rgba(56, 189, 248, 0) 38%),
        radial-gradient(circle at 82% 26%, rgba(14, 165, 233, 0.25), rgba(14, 165, 233, 0) 42%),
        linear-gradient(180deg, #001f91 0%, #0033b8 44%, #0566d2 100%);
}
.hero-tech-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.2) 0 1px, transparent 2px) 0 0/180px 180px,
        radial-gradient(circle at 80% 36%, rgba(255, 255, 255, 0.22) 0 1px, transparent 2px) 0 0/220px 220px,
        repeating-linear-gradient(
            108deg,
            rgba(125, 211, 252, 0.22) 0,
            rgba(125, 211, 252, 0.22) 2px,
            transparent 2px,
            transparent 180px
        );
    opacity: 0.55;
}
.hero-tech-glow {
    position: absolute;
    left: -8%;
    right: -8%;
    bottom: -120px;
    height: 240px;
    pointer-events: none;
    background: radial-gradient(ellipse at center, rgba(125, 211, 252, 0.62) 0%, rgba(125, 211, 252, 0.08) 52%, rgba(125, 211, 252, 0) 72%);
}
.hero-skill-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.42rem;
    border-radius: 9999px;
    padding: 0.55rem 1rem;
    font-size: 1.7rem;
    font-size: clamp(0.98rem, 0.95rem + 0.1vw, 1.12rem);
    line-height: 1;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.96);
    background: rgba(147, 197, 253, 0.24);
    border: 1px solid rgba(186, 230, 253, 0.38);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.hero-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.48rem;
    min-width: 210px;
    border-radius: 9999px;
    padding: 1rem 1.8rem;
    font-size: 1.2rem;
    font-size: clamp(1.05rem, 1rem + 0.2vw, 1.3rem);
    line-height: 1;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(135deg, #10b981 0%, #00c58c 100%);
    border: 1px solid rgba(110, 231, 183, 0.75);
    box-shadow: 0 10px 22px rgba(16, 185, 129, 0.32);
    transition: transform 0.22s ease, filter 0.22s ease;
}
.hero-cta-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.06);
}
.hero-cta-btn .material-symbols-outlined {
    font-size: 1.35rem;
}

@media (max-width: 640px) {
    .hero-tech {
        min-height: 760px;
    }
    .hero-cta-btn {
        width: 100%;
        max-width: 320px;
    }
}

/* ===== Scroll reveal animation ===== */
[data-animate] {
    opacity: 0;
    transform: translateY(28px) scale(0.985);
    transition: opacity 0.72s cubic-bezier(0.16, 1, 0.3, 1), transform 0.72s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: var(--delay, 0ms);
    will-change: opacity, transform;
}
[data-animate].in-view {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* ===== Architecture v2 ===== */
.arch-v2-shell {
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.95), rgba(241, 245, 255, 0.96));
    border: 1px solid rgba(59, 130, 246, 0.24);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.09), inset 0 0 0 1px rgba(147, 197, 253, 0.15);
}
.arch-v2-shell::before {
    content: '';
    position: absolute;
    width: 280px;
    height: 280px;
    right: -120px;
    top: -120px;
    border-radius: 9999px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.24), rgba(37, 99, 235, 0));
    animation: arch-pulse 6s ease-in-out infinite;
    pointer-events: none;
}
.arch-v2-line {
    background: linear-gradient(to bottom, rgba(59, 130, 246, 0), rgba(59, 130, 246, 0.45), rgba(59, 130, 246, 0));
}
.arch-v2-card {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.28);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 255, 0.98));
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.35s ease, box-shadow 0.35s ease;
}
.arch-v2-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent, rgba(96, 165, 250, 0.12), transparent);
    transform: translateX(-115%);
    transition: transform 0.6s ease;
    pointer-events: none;
}
.arch-v2-card:hover {
    transform: translateY(-6px);
    border-color: rgba(96, 165, 250, 0.58);
    box-shadow: 0 22px 45px rgba(30, 41, 59, 0.12);
}
.arch-v2-card:hover::after {
    transform: translateX(115%);
}
.arch-v2-chip {
    border: 1px solid rgba(96, 165, 250, 0.35);
    background: rgba(37, 99, 235, 0.12);
}
.arch-v2-dot {
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2), 0 0 20px rgba(37, 99, 235, 0.45);
}

/* ===== Light-first refinements ===== */
#du-an .case-card strong.text-white {
    color: #0f172a !important;
}
#kien-truc .text-white {
    color: #0f172a !important;
}
#kien-truc .text-slate-300 {
    color: #475569 !important;
}
#kien-truc .text-blue-200 {
    color: #1d4ed8 !important;
}
#kien-truc .border-white\/10 {
    border-color: rgba(148, 163, 184, 0.35) !important;
}
#lien-he {
    background-color: rgb(0 80 203 / var(--tw-bg-opacity, 1)) !important;
    border-color: rgba(186, 230, 253, 0.8) !important;
}
#lien-he .footer-brand-logo {
    display: block;
}
#lien-he .footer-contact-row {
    width: fit-content;
    border-radius: 9999px;
    padding: 0.35rem 0.75rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
}
#lien-he .label,
#lien-he .text-white {
    color: #ffffff !important;
}
#lien-he .text-white\/90,
#lien-he .text-white\/80,
#lien-he .text-dim {
    color: rgba(255, 255, 255, 0.92) !important;
}
#lien-he a {
    color: rgba(255, 255, 255, 0.92) !important;
}
#lien-he a:hover {
    color: #ffffff !important;
}
#lien-he .bg-surface-container-low,
#lien-he .bg-white\/10 {
    background-color: rgba(255, 255, 255, 0.14) !important;
}
#lien-he .border-edge\/30,
#lien-he .border-edge\/20,
#lien-he .border-white\/20,
#lien-he .border-white\/25 {
    border-color: rgba(255, 255, 255, 0.35) !important;
}
#lien-he .material-symbols-outlined {
    color: #ffffff !important;
}

/* ===== Portfolio cards ===== */
.portfolio-card {
    display: block;
}
.portfolio-panel {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 1.1fr);
    gap: 1rem;
    align-items: center;
    min-height: 230px;
    padding: 1rem;
    border-radius: 1.25rem;
    border: 1px solid rgba(148, 163, 184, 0.28);
    background: linear-gradient(150deg, #ffffff 0%, #eef4ff 100%);
    box-shadow: 0 14px 36px rgba(15, 23, 42, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.portfolio-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 88% 16%, rgba(191, 219, 254, 0.55), transparent 45%);
    pointer-events: none;
}
.portfolio-card:hover .portfolio-panel {
    transform: translateY(-6px);
    border-color: rgba(59, 130, 246, 0.45);
    box-shadow: 0 20px 44px rgba(15, 23, 42, 0.14);
}
.portfolio-kicker {
    position: relative;
    z-index: 1;
}
.portfolio-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #1d4ed8;
    background: rgba(37, 99, 235, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.22);
}
.portfolio-kicker h4 {
    margin-top: 0.9rem;
    font-size: 1.55rem;
    line-height: 1.16;
    font-weight: 800;
    color: #0f172a;
}
.portfolio-kicker p {
    margin-top: 0.7rem;
    font-size: 0.86rem;
    color: #475569;
}
.portfolio-kicker p strong {
    color: #1d4ed8;
}
.portfolio-media {
    position: relative;
    z-index: 1;
    height: auto;
    min-height: 170px;
    border-radius: 0.9rem;
    border: 1px solid rgba(148, 163, 184, 0.24);
    background: #f8fbff;
    overflow: hidden;
}
.portfolio-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.portfolio-card:hover .portfolio-media img {
    transform: scale(1.03);
}
.portfolio-content {
    padding: 0 0.15rem;
}
.portfolio-tags {
    font-size: 0.86rem;
    color: #1e3a8a;
    margin-bottom: 0.45rem;
}
.portfolio-desc {
    font-size: 1.06rem;
    line-height: 1.45;
    font-weight: 700;
    color: #0f172a;
}
@media (max-width: 767px) {
    .portfolio-panel {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .portfolio-media {
        min-height: 190px;
    }
    .portfolio-kicker h4 {
        font-size: 1.35rem;
    }
}

/* ===== Portfolio card variants (border + shadow) ===== */
#portfolio-grid .portfolio-card {
    --project-border: rgba(148, 163, 184, 0.28);
    --project-border-hover: rgba(59, 130, 246, 0.45);
    --project-shadow: 0 14px 36px rgba(15, 23, 42, 0.1);
    --project-shadow-hover: 0 20px 44px rgba(15, 23, 42, 0.14);
    display: flex;
    flex-direction: column;
    height: auto;
    align-self: start;
    padding: 0.85rem 0.85rem 1rem;
    border-radius: 1.25rem;
    border: 1px solid var(--project-border);
    background: linear-gradient(180deg, #f9fbff 0%, #f4f7ff 100%);
    box-shadow: var(--project-shadow);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
#portfolio-grid .portfolio-card:hover {
    transform: translateY(-4px);
    border-color: var(--project-border-hover);
    box-shadow: var(--project-shadow-hover);
}
#portfolio-grid .portfolio-card > .portfolio-media {
    border-color: var(--project-border);
    box-shadow: none;
}
#portfolio-grid .portfolio-card:nth-child(1) {
    --project-border: rgba(59, 130, 246, 0.28);
    --project-border-hover: rgba(37, 99, 235, 0.5);
    --project-shadow: 0 14px 34px rgba(37, 99, 235, 0.14);
}
#portfolio-grid .portfolio-card:nth-child(2) {
    --project-border: rgba(139, 92, 246, 0.24);
    --project-border-hover: rgba(124, 58, 237, 0.45);
    --project-shadow: 0 14px 34px rgba(109, 40, 217, 0.12);
}
#portfolio-grid .portfolio-card:nth-child(3) {
    --project-border: rgba(14, 165, 233, 0.24);
    --project-border-hover: rgba(2, 132, 199, 0.45);
    --project-shadow: 0 14px 34px rgba(2, 132, 199, 0.12);
}
#portfolio-grid .portfolio-card:nth-child(4) {
    --project-border: rgba(245, 158, 11, 0.24);
    --project-border-hover: rgba(217, 119, 6, 0.45);
    --project-shadow: 0 14px 34px rgba(217, 119, 6, 0.12);
}
#portfolio-grid .portfolio-card:nth-child(5) {
    --project-border: rgba(236, 72, 153, 0.24);
    --project-border-hover: rgba(219, 39, 119, 0.45);
    --project-shadow: 0 14px 34px rgba(219, 39, 119, 0.11);
}
#portfolio-grid .portfolio-card:nth-child(6) {
    --project-border: rgba(22, 163, 74, 0.24);
    --project-border-hover: rgba(21, 128, 61, 0.45);
    --project-shadow: 0 14px 34px rgba(21, 128, 61, 0.12);
}
#portfolio-grid .portfolio-card:nth-child(7) {
    --project-border: rgba(59, 130, 246, 0.22);
    --project-border-hover: rgba(29, 78, 216, 0.44);
    --project-shadow: 0 14px 34px rgba(29, 78, 216, 0.11);
}
#portfolio-grid .portfolio-card:nth-child(8) {
    --project-border: rgba(20, 184, 166, 0.24);
    --project-border-hover: rgba(13, 148, 136, 0.45);
    --project-shadow: 0 14px 34px rgba(13, 148, 136, 0.11);
}
#portfolio-grid .portfolio-card:nth-child(9) {
    --project-border: rgba(99, 102, 241, 0.24);
    --project-border-hover: rgba(79, 70, 229, 0.45);
    --project-shadow: 0 14px 34px rgba(79, 70, 229, 0.11);
}

/* Compatible styling for current card markup */
#portfolio-grid .portfolio-card {
    border-radius: 1.25rem;
}
#portfolio-grid .portfolio-card > .portfolio-media {
    background: linear-gradient(150deg, #ffffff 0%, #eef4ff 100%);
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 0.95rem;
    min-height: auto;
    height: auto;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
    padding: 0.65rem;
    margin-bottom: 0.9rem;
    transition: border-color 0.25s ease;
}
#portfolio-grid .portfolio-card > .portfolio-media img {
    border-radius: 0.9rem;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}
#portfolio-grid .portfolio-card > .p-6 {
    padding: 0.05rem 0.18rem 0.1rem;
}
#portfolio-grid .portfolio-card > .p-6 > p.text-xs {
    font-size: 0.82rem;
    color: #1e3a8a;
    letter-spacing: 0;
    text-transform: none;
    margin-bottom: 0.35rem;
}
#portfolio-grid .portfolio-card > .p-6 > h4 {
    font-size: 1.48rem;
    line-height: 1.24;
    margin-bottom: 0.6rem;
}
#portfolio-grid .portfolio-card > .p-6 > p.text-on-surface-variant {
    font-size: 0.95rem;
    line-height: 1.55;
    font-weight: 500;
    color: #0f172a;
    margin-bottom: 0.9rem;
}
#portfolio-grid .portfolio-card > .p-6 > .flex span {
    border: 1px solid rgba(148, 163, 184, 0.3);
}
#portfolio-grid {
    align-items: start;
}
@media (max-width: 767px) {
    #portfolio-grid .portfolio-card > .portfolio-media img {
        aspect-ratio: 4 / 3;
    }
    #portfolio-grid .portfolio-card > .p-6 > h4 {
        font-size: 1.3rem;
    }
}

/* ===== Back to top ===== */
#back-to-top {
    opacity: 0;
    transform: translateY(16px);
    pointer-events: none;
    transition: opacity 0.28s ease, transform 0.28s ease, background-color 0.2s ease;
    z-index: 60;
}
#back-to-top.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
#back-to-top:hover {
    background-color: #1d4ed8 !important;
}

/* ===== Trusted logos brighter ===== */
#doi-tac .trusted-marquee img {
    opacity: 0.96 !important;
    filter: saturate(1.15) brightness(1.08) contrast(1.03) !important;
    -webkit-filter: saturate(1.15) brightness(1.08) contrast(1.03) !important;
}
#doi-tac .trusted-marquee img:hover {
    transform: translateY(-1px) scale(1.03);
}

@keyframes arch-pulse {
    0%, 100% { transform: scale(1); opacity: 0.75; }
    50% { transform: scale(1.22); opacity: 0.35; }
}

/* ===== Focus visible ring (accessibility) ===== */
:focus-visible {
    outline: 2px solid #0050cb;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Reduced motion preference ===== */
@media (prefers-reduced-motion: reduce) {
    .trusted-marquee,
    .animate-bounce-slow,
    .arch-dot,
    .hover\:bg-surface-container-low:hover,
    .group:hover .group-hover\:translate-x-1,
    .group:hover .hover\:w-full,
    .case-card,
    .arch-card > div,
    .arch-tag {
        animation: none !important;
        transition: none !important;
    }
    [data-animate] {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    .arch-v2-shell::before,
    .arch-v2-card::after {
        animation: none !important;
        transition: none !important;
    }
    #back-to-top {
        transition: none !important;
    }
}

/* ===== Dark mode text fixes ===== */
html.dark .text-on-surface-variant,
html.dark span.text-on-surface-variant,
html.dark p.text-on-surface-variant { color: #94a3b8 !important; }

html.dark .text-outline        { color: #94a3b8 !important; }
html.dark .text-outline-variant{ color: #94a3b8 !important; }

/* ===== Dark mode nav text ===== */
html.dark .text-slate-900 { color: #e2e8f0 !important; }
html.dark .text-blue-700  { color: #93c5fd !important; }
html.dark .text-slate-600 { color: #94a3b8 !important; }

/* ===== Dark mode bg-white sections ===== */
html.dark .bg-white { background-color: #050a14 !important; }

/* ===== Dark mode section backgrounds ===== */
html.dark section[class*="bg-white"] { background-color: #050a14 !important; }
html.dark section[class*="bg-surface-container"] { background-color: #0c1322 !important; }
html.dark section.bg-surface-container-low  { background-color: #0c1322 !important; }
html.dark section.bg-surface-container-lowest { background-color: #111b2e !important; }

/* ===== Dark mode surface containers ===== */
html.dark .bg-surface-container-low    { background-color: #0c1322 !important; }
html.dark .bg-surface-container-lowest { background-color: #111b2e !important; }
html.dark .bg-surface-container-high   { background-color: #111b2e !important; }
html.dark .bg-surface-container         { background-color: #111b2e !important; }
html.dark .bg-surface-variant           { background-color: #1e2d44 !important; }
html.dark .bg-surface                   { background-color: #050a14 !important; }

/* ===== Dark mode text-on-surface ===== */
html.dark .text-on-surface { color: #cbd5e1 !important; }
html.dark .text-on-surface-variant { color: #94a3b8 !important; }
html.dark .text-on-background { color: #cbd5e1 !important; }

/* ===== Dark mode border fixes ===== */
html.dark .border-outline       { border-color: #334155 !important; }
html.dark .border-outline-variant { border-color: #1e2d44 !important; }
html.dark .border-slate-200     { border-color: #1e2d44 !important; }

/* ===== Dark mode hover surfaces ===== */
html.dark .hover\:bg-surface-container-low:hover { background-color: #111b2e !important; }

/* ===== Dark mode primary background fix ===== */
html.dark .bg-primary { background-color: #0050cb !important; }

/* ===== Dark mode footer fix ===== */
html.dark #lien-he { background-color: rgb(0 80 203 / var(--tw-bg-opacity, 1)) !important; border-color: rgba(186, 230, 253, 0.8) !important; }

/* ===== Trusted Partners fade overlays dark mode ===== */
html.dark .bg-gradient-to-r { --tw-gradient-from: #0c1322; }
html.dark .bg-gradient-to-l { --tw-gradient-from: #0c1322; }

@keyframes trustedMarquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.trusted-marquee {
    animation: trustedMarquee 35s ease-in-out infinite;
    width: max-content;
}
.trusted-marquee:hover {
    animation-play-state: paused;
}
@media (prefers-reduced-motion: reduce) {
    .trusted-marquee {
        animation: none;
        width: auto;
        flex-wrap: wrap;
        justify-content: center;
    }
}
@keyframes bounce-slow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}
.animate-bounce-slow {
    animation: bounce-slow 2s ease-in-out infinite;
}