:root {
    color-scheme: light;
    --qrystal-radius: 0.6rem;
    --qrystal-page: #ffffff;
    --qrystal-surface: #ffffff;
    --qrystal-surface-soft: #f7f8fc;
    --qrystal-text: #344050;
    --qrystal-heading: #1f2d3d;
    --qrystal-muted: #5e6e82;
    --qrystal-border: rgba(78, 146, 249, 0.18);
    --qrystal-shadow: rgba(31, 45, 61, 0.10);
}

[data-theme="dark"] {
    color-scheme: dark;
    --qrystal-page: #0b1120;
    --qrystal-surface: #111827;
    --qrystal-surface-soft: #182235;
    --qrystal-text: #d8e1ee;
    --qrystal-heading: #f5f7fb;
    --qrystal-muted: #a8b5c7;
    --qrystal-border: rgba(151, 161, 255, 0.24);
    --qrystal-shadow: rgba(0, 0, 0, 0.35);
}

html,
body,
.main {
    background-color: var(--qrystal-page);
    color: var(--qrystal-text);
}

body,
.main,
.navbar-klean,
.card,
.form-control,
.btn-light,
footer,
section {
    transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6,
[data-theme="dark"] .navbar-light .navbar-nav .nav-link,
[data-theme="dark"] .navbar-light .navbar-brand {
    color: var(--qrystal-heading);
}

[data-theme="dark"] p,
[data-theme="dark"] li,
[data-theme="dark"] .text-300,
[data-theme="dark"] .text-500,
[data-theme="dark"] .text-600,
[data-theme="dark"] .text-700 {
    color: var(--qrystal-text) !important;
}

[data-theme="dark"] .navbar-klean {
    border: 0;
    border-bottom: 1px solid rgba(158, 184, 255, 0.14);
    background: rgba(11, 17, 32, 0.94) !important;
    box-shadow: 0 0.5rem 1.5rem var(--qrystal-shadow);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

[data-theme="dark"] .navbar-light .navbar-nav .nav-link {
    color: #c5d0df;
}

[data-theme="dark"] .navbar-light .navbar-nav .nav-link:hover,
[data-theme="dark"] .navbar-light .navbar-nav .nav-link:focus,
[data-theme="dark"] .navbar-light .navbar-nav .nav-link.active {
    color: #ffffff;
}

[data-theme="dark"] .navbar-collapse {
    border-color: var(--qrystal-border) !important;
}

[data-theme="dark"] .navbar-toggler {
    border-color: var(--qrystal-border);
    background-color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .card,
[data-theme="dark"] .bg-white,
[data-theme="dark"] .bg-light,
[data-theme="dark"] .btn-light,
[data-theme="dark"] .dropdown-menu {
    background-color: var(--qrystal-surface) !important;
    color: var(--qrystal-text);
    border-color: var(--qrystal-border);
}

[data-theme="dark"] .shadow,
[data-theme="dark"] .shadow-sm,
[data-theme="dark"] .shadow-lg,
[data-theme="dark"] .shadow-klean {
    box-shadow: 0 0.75rem 2rem var(--qrystal-shadow) !important;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--qrystal-surface-soft);
    border-color: var(--qrystal-border);
    color: var(--qrystal-heading);
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--qrystal-muted);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--qrystal-surface);
    color: var(--qrystal-heading);
}

[data-theme="dark"] a:not(.btn):not(.text-gradient) {
    color: #9eb8ff;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 1px solid rgba(78, 146, 249, 0.24);
    border-radius: var(--qrystal-radius);
    background: rgba(255, 255, 255, 0.85);
    color: #536887;
    box-shadow: 0 0.5rem 1.5rem rgba(49, 69, 255, 0.1);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
    border-color: rgba(141, 131, 237, 0.55);
    color: #8d83ed;
}

.theme-toggle:focus-visible {
    outline: 3px solid rgba(141, 131, 237, 0.2);
    outline-offset: 2px;
}

.theme-toggle__icon {
    width: 1.125rem;
    height: 1.125rem;
}

.theme-toggle__icon--sun,
[data-theme="dark"] .theme-toggle__icon--moon {
    display: none;
}

[data-theme="dark"] .theme-toggle__icon--sun {
    display: inline-block;
}

[data-theme="dark"] .theme-toggle,
[data-theme="dark"] .navbar-search__toggle {
    background: var(--qrystal-surface-soft);
    border-color: var(--qrystal-border);
    color: #c4d1e3;
    box-shadow: 0 0.5rem 1.5rem var(--qrystal-shadow);
}

[data-theme="dark"] .navbar-search__input {
    background-color: var(--qrystal-surface-soft);
    border-color: var(--qrystal-border);
    color: var(--qrystal-heading);
    box-shadow: 0 0.5rem 1.5rem var(--qrystal-shadow);
}

/* Homepage sections with their own visual language need explicit dark surfaces. */
[data-theme="dark"] .qrystal-hero {
    background:
        radial-gradient(circle at 82% 34%, rgba(196, 109, 227, 0.2), transparent 23rem),
        radial-gradient(circle at 68% 66%, rgba(78, 146, 249, 0.18), transparent 27rem),
        linear-gradient(135deg, #0b1120 0%, #11182c 54%, #171126 100%);
}

[data-theme="dark"] .qrystal-hero__eyebrow,
[data-theme="dark"] .qrystal-hero__lead {
    color: #b4c2d8 !important;
}

[data-theme="dark"] .qrystal-hero__title {
    color: #f4f7fc;
}

[data-theme="dark"] .qrystal-hero__grid {
    background-image:
        linear-gradient(rgba(158, 184, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(158, 184, 255, 0.1) 1px, transparent 1px);
}

[data-theme="dark"] .qrystal-hero__cloud {
    border-color: rgba(158, 184, 255, 0.25);
    background: linear-gradient(145deg, rgba(30, 41, 68, 0.92), rgba(25, 30, 53, 0.78));
    box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.38), inset 0 0 2rem rgba(158, 184, 255, 0.06);
}

[data-theme="dark"] .qrystal-hero__node {
    border-color: rgba(158, 184, 255, 0.25);
    background: rgba(17, 24, 39, 0.78);
    color: #c4d1e3;
    box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] #section-counter {
    background-color: transparent !important;
    background-image: linear-gradient(90deg, transparent 0%, rgba(24, 34, 53, 0.9) 50%, transparent 100%) !important;
}

[data-theme="dark"] #section-counter .text-300 {
    color: #dce5f2 !important;
}

[data-theme="dark"] .qrystal-pillars {
    background:
        radial-gradient(circle at 8% 52%, rgba(78, 146, 249, 0.13), transparent 24rem),
        radial-gradient(circle at 92% 18%, rgba(196, 109, 227, 0.14), transparent 25rem),
        linear-gradient(135deg, #0b1120 0%, #11182b 52%, #171126 100%);
}

[data-theme="dark"] .qrystal-pillars__eyebrow,
[data-theme="dark"] .qrystal-pillars__header > p,
[data-theme="dark"] .qrystal-pillar p,
[data-theme="dark"] .qrystal-pillar li {
    color: #b4c2d8 !important;
}

[data-theme="dark"] .qrystal-pillars__header h2,
[data-theme="dark"] .qrystal-pillar h3 {
    color: #f4f7fc;
}

[data-theme="dark"] .qrystal-pillar {
    border-color: rgba(158, 184, 255, 0.18);
    background: linear-gradient(145deg, rgba(24, 34, 53, 0.86), rgba(17, 24, 39, 0.72));
    box-shadow: 0 1.2rem 3.5rem rgba(0, 0, 0, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .qrystal-pillar:hover {
    border-color: rgba(158, 184, 255, 0.38);
    box-shadow: 0 1.6rem 4rem rgba(0, 0, 0, 0.34);
}

[data-theme="dark"] .qrystal-pillar__icon {
    background: color-mix(in srgb, var(--pillar-accent) 18%, #182235);
}

[data-theme="dark"] .qrystal-brands {
    background-color: #0d1526 !important;
    background-image: linear-gradient(90deg, #0b1120 0%, #18233a 50%, #0b1120 100%) !important;
    border-top: 1px solid rgba(158, 184, 255, 0.1);
    border-bottom: 1px solid rgba(158, 184, 255, 0.1);
}

[data-theme="dark"] .qrystal-brands .border-klean {
    border-image: none;
    border: 0;
}

[data-theme="dark"] .qrystal-brands img {
    filter: brightness(0) invert(1);
    opacity: 0.72;
}

[data-theme="dark"] #contact {
    isolation: isolate;
    background:
        radial-gradient(circle at 15% 25%, rgba(196, 109, 227, 0.16), transparent 28rem),
        radial-gradient(circle at 88% 72%, rgba(78, 146, 249, 0.15), transparent 30rem),
        linear-gradient(135deg, #11182b 0%, #0b1120 55%, #171126 100%);
}

[data-theme="dark"] #contact > .bg-holder {
    z-index: -1;
    opacity: 0.08;
    filter: invert(1) saturate(0.7);
}

[data-theme="dark"] #contact p,
[data-theme="dark"] #contact .fs-2 {
    color: #c2cede !important;
}

[data-theme="dark"] #contact .card-bg {
    border-color: rgba(158, 184, 255, 0.2);
    background: rgba(17, 24, 39, 0.82) !important;
    box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

[data-theme="dark"] #contact .form-control {
    border-color: rgba(180, 194, 216, 0.48) !important;
    background-color: rgba(24, 34, 53, 0.9);
}

/* Shared premium button system. */
.btn-klean,
.btn-klean-outline {
    position: relative;
    z-index: 0;
    display: inline-flex;
    min-height: 3rem;
    padding: 0.78rem 1.45rem;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    overflow: hidden;
    border-radius: var(--qrystal-radius);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: 0.01em;
    text-decoration: none;
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.btn-klean,
.btn-klean.rounded-pill {
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: var(--qrystal-radius) !important;
    background: linear-gradient(110deg, #b86fe0 0%, #766fe8 46%, #4f92f4 100%);
    box-shadow: 0 0.75rem 1.8rem rgba(93, 108, 231, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.24);
    color: #ffffff;
}

.btn-klean-outline {
    border: 1px solid transparent;
    background:
        linear-gradient(var(--qrystal-surface), var(--qrystal-surface)) padding-box,
        linear-gradient(110deg, #c46de3, #7675ed 48%, #4e92f9) border-box;
    box-shadow: 0 0.65rem 1.6rem rgba(93, 108, 231, 0.12);
    color: #6e72e8;
}

.btn-klean::before,
.btn-klean-outline::before,
.btn-glow::before {
    display: none;
}

.btn-klean:hover,
.btn-klean:focus-visible,
.btn-klean-outline:hover,
.btn-klean-outline:focus-visible {
    transform: translateY(-2px);
    text-decoration: none;
}

.btn-klean:hover,
.btn-klean:focus-visible {
    border-color: rgba(255, 255, 255, 0.4);
    background: linear-gradient(110deg, #c77ae7 0%, #8179f0 46%, #5b9bff 100%);
    box-shadow: 0 1rem 2.4rem rgba(93, 108, 231, 0.32), 0 0 1.4rem rgba(196, 109, 227, 0.12);
    color: #ffffff;
}

.btn-klean-outline:hover,
.btn-klean-outline:focus-visible {
    background:
        linear-gradient(110deg, rgba(196, 109, 227, 0.13), rgba(78, 146, 249, 0.13)) padding-box,
        linear-gradient(110deg, #d077eb, #807bf1 48%, #5a9dfd) border-box;
    box-shadow: 0 1rem 2.2rem rgba(93, 108, 231, 0.2), 0 0 1.2rem rgba(196, 109, 227, 0.1);
    color: #ffffff;
}

.btn-klean-outline:hover .text-gradient,
.btn-klean-outline:focus-visible .text-gradient,
.btn-klean-outline:hover > span,
.btn-klean-outline:focus-visible > span {
    background: none;
    color: #ffffff;
    -webkit-text-fill-color: #ffffff;
}

.btn-klean:focus-visible,
.btn-klean-outline:focus-visible {
    outline: 3px solid rgba(118, 111, 232, 0.24);
    outline-offset: 3px;
}

.btn-klean:active,
.btn-klean-outline:active {
    transform: translateY(0);
}

.btn-klean.btn-lg,
.btn-klean-outline.btn-lg {
    min-height: 3.35rem;
    padding: 0.92rem 1.75rem;
}

.btn-klean .text-gradient,
.btn-klean > span {
    color: #ffffff;
    -webkit-text-fill-color: #ffffff;
}

[data-theme="dark"] .btn-klean-outline {
    background:
        linear-gradient(#111827, #111827) padding-box,
        linear-gradient(110deg, #c46de3, #7775ed 48%, #4e92f9) border-box;
    color: #b7b5ff;
}

[data-theme="dark"] .btn-klean-outline:hover,
[data-theme="dark"] .btn-klean-outline:focus-visible {
    background:
        linear-gradient(110deg, rgba(196, 109, 227, 0.18), rgba(78, 146, 249, 0.16)) padding-box,
        linear-gradient(110deg, #d17aec, #8982f4 48%, #62a2ff) border-box;
    color: #ffffff;
}

/* One structural radius across interactive controls and content surfaces. */
.btn,
.card,
.card-bg,
.form-control,
.form-select,
.dropdown-menu,
.navbar-search__input,
.navbar-search__toggle,
.theme-toggle,
.navbar-toggler,
.qrystal-pillar,
.qrystal-pillar__icon,
.qrystal-hero__cloud,
.qrystal-hero__ai-mark,
.project-card-bg,
.product-card-bg,
.testimonial-card-bg,
.team-card-1,
.team-card-2,
.team-card-3,
.team-card-4,
.rounded-3,
.form-control.rounded-pill,
.btn.rounded-pill {
    border-radius: var(--qrystal-radius) !important;
}

/* Portfolio cards */
.qrystal-projects {
    padding-top: clamp(5rem, 8vw, 8rem);
    padding-bottom: clamp(4rem, 6vw, 6rem);
}

.qrystal-section-title__eyebrow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    margin-bottom: 0.8rem;
    color: #657be7;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.qrystal-section-title__eyebrow::before,
.qrystal-section-title__eyebrow::after {
    width: 1.75rem;
    height: 2px;
    content: "";
    background: linear-gradient(90deg, #c46de3, #4e92f9);
}

[data-theme="dark"] .qrystal-section-title__eyebrow {
    color: #9aa9ff;
}

.qrystal-project-card {
    height: 100%;
    overflow: hidden;
    border: 1px solid rgba(78, 146, 249, 0.14);
    background: var(--qrystal-surface);
    box-shadow: 0 1rem 2.5rem rgba(31, 45, 61, 0.1);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

a:hover .qrystal-project-card,
a:focus-visible .qrystal-project-card {
    border-color: rgba(118, 111, 232, 0.44);
    box-shadow: 0 1.35rem 3rem rgba(63, 77, 121, 0.17);
    transform: translateY(-0.3rem);
}

#projects .qrystal-project-card .project-image {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-bottom: 1px solid var(--qrystal-border);
}

#projects .qrystal-project-card .qrystal-project-card__body {
    position: static;
    inset: auto;
    z-index: auto;
    opacity: 1;
    flex: 1 1 auto;
    min-height: 6.5rem;
    background: var(--qrystal-surface);
    transition: background 180ms ease;
}

.qrystal-project-card__body p {
    margin-bottom: 0.3rem;
    color: var(--qrystal-heading) !important;
    line-height: 1.35;
}

.qrystal-project-card__title {
    font-size: clamp(1rem, 1.25vw, 1.2rem);
    letter-spacing: -0.015em;
}

.qrystal-project-card__body span {
    color: var(--qrystal-muted);
}

[data-theme="dark"] #projects > .bg-holder {
    opacity: 0.08;
    filter: invert(1) saturate(0.7);
}

[data-theme="dark"] .qrystal-project-card {
    border-color: rgba(158, 184, 255, 0.16);
    background: linear-gradient(145deg, rgba(24, 34, 53, 0.94), rgba(17, 24, 39, 0.92));
    box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.26);
}

[data-theme="dark"] #projects .qrystal-project-card .qrystal-project-card__body {
    background: linear-gradient(145deg, #182235, #111827);
}

[data-theme="dark"] a:hover .qrystal-project-card,
[data-theme="dark"] a:focus-visible .qrystal-project-card {
    border-color: rgba(137, 130, 244, 0.5);
    box-shadow: 0 1.4rem 3.2rem rgba(0, 0, 0, 0.38), 0 0 1.5rem rgba(118, 111, 232, 0.08);
}

/* Shared title banner for inner pages. */
.qrystal-page-title {
    isolation: isolate;
    overflow: hidden;
    border-bottom: 1px solid var(--qrystal-border);
    background:
        radial-gradient(circle at 20% 20%, rgba(196, 109, 227, 0.12), transparent 26rem),
        radial-gradient(circle at 82% 78%, rgba(78, 146, 249, 0.12), transparent 28rem),
        linear-gradient(135deg, #fbfaff 0%, #f2f5ff 55%, #f8f3ff 100%);
}

.qrystal-page-title__art {
    z-index: -1;
    opacity: 0.24;
}

.qrystal-page-title__heading {
    letter-spacing: -0.035em;
}

.qrystal-page-title__tagline {
    color: var(--qrystal-muted);
}

[data-theme="dark"] .qrystal-page-title {
    border-bottom-color: rgba(158, 184, 255, 0.13);
    background:
        radial-gradient(circle at 20% 20%, rgba(196, 109, 227, 0.17), transparent 26rem),
        radial-gradient(circle at 82% 78%, rgba(78, 146, 249, 0.16), transparent 28rem),
        linear-gradient(135deg, #0b1120 0%, #11182c 55%, #171126 100%);
}

[data-theme="dark"] .qrystal-page-title__art {
    opacity: 0.07;
    filter: invert(1) saturate(0.65);
}

[data-theme="dark"] .qrystal-page-title__tagline {
    color: #b4c2d8 !important;
}

@media (max-width: 991.98px) {
    .theme-toggle {
        margin-top: 1rem;
        margin-left: 0 !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    body,
    .main,
    .navbar-klean,
    .card,
    .form-control,
    .btn-light,
    footer,
    section {
        transition: none;
    }
}