:root {
    --tb-blue: #1294ff;
    --tb-blue-dark: #0572d5;
    --tb-turquoise: #15dac8;
    --tb-navy: #071c36;
    --tb-navy-2: #102b4e;
    --tb-light: #f7fbff;
    --tb-text: #1e293b;
    --tb-muted: #64748b;
    --tb-border: rgba(7, 28, 54, .12);
    --tb-shadow: 0 24px 70px rgba(7, 28, 54, .14);
    --tb-radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--tb-text);
    background: #fff;
    overflow-x: hidden;
}
a { text-decoration: none; }
.text-muted-custom { color: var(--tb-muted); }
.section-padding { padding: 92px 0; }
.section-title {
    font-weight: 950;
    letter-spacing: -.055em;
    color: var(--tb-navy);
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(18, 148, 255, .09);
    color: var(--tb-blue-dark);
    font-weight: 850;
    font-size: .88rem;
}
.eyebrow i { color: var(--tb-turquoise); }

.topbar {
    background: #06182f;
    border-bottom: 1px solid rgba(255,255,255,.09);
    color: rgba(255,255,255,.88);
    font-size: .88rem;
}
.topbar a,
.topbar span {
    color: rgba(255,255,255,.9);
    font-weight: 550;
}
.topbar i { color: var(--tb-turquoise); }
.topbar .divider { opacity: .28; }

.tb-main-nav {
    position: sticky;
    top: 0;
    z-index: 1030;
    background:
        radial-gradient(circle at 8% 0%, rgba(21, 218, 200, .14), transparent 32%),
        linear-gradient(135deg, #071c36 0%, #0b2748 54%, #06182f 100%) !important;
    border-bottom: 1px solid rgba(21, 218, 200, .25);
    box-shadow: 0 18px 48px rgba(6, 24, 47, .22);
    padding: 16px 0;
}
.tb-main-nav::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 4px;
    background: linear-gradient(90deg, var(--tb-turquoise), var(--tb-blue), rgba(255,255,255,0));
    opacity: .9;
}
.tb-main-nav .container { gap: 24px; }
.tb-main-nav .navbar-brand {
    margin-right: 26px;
    padding-right: 30px;
    border-right: 1px solid rgba(255,255,255,.16);
}
.brand-logo {
    height: 58px;
    width: auto;
    object-fit: contain;
    display: block;
}
.tb-main-nav .navbar-nav { gap: 4px; }
.tb-main-nav .nav-link {
    position: relative;
    color: rgba(255,255,255,.94) !important;
    font-size: .96rem;
    font-weight: 850;
    letter-spacing: .015em;
    text-transform: uppercase;
    padding: 14px 13px !important;
    border-radius: 999px;
    text-shadow: 0 1px 1px rgba(0,0,0,.25);
    transition: color .2s ease, background .2s ease, transform .2s ease;
}
.tb-main-nav .nav-link::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 6px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--tb-blue), var(--tb-turquoise));
    opacity: 0;
    transform: scaleX(.55);
    transition: opacity .2s ease, transform .2s ease;
}
.tb-main-nav .nav-link:hover,
.tb-main-nav .nav-link.active {
    color: var(--tb-turquoise) !important;
    background: rgba(255,255,255,.07);
    transform: translateY(-1px);
}
.tb-main-nav .nav-link:hover::after,
.tb-main-nav .nav-link.active::after {
    opacity: 1;
    transform: scaleX(1);
}
.tb-main-nav .lang-select {
    min-height: 48px;
    width: 86px;
    border: 1px solid rgba(255,255,255,.28);
    background-color: rgba(255,255,255,.08);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m4 6 4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 17px center;
    background-size: 13px;
    color: #fff;
    border-radius: 999px;
    padding: 10px 39px 10px 20px;
    font-weight: 850;
    line-height: 1;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.05);
}
.tb-main-nav .lang-select option { color: var(--tb-navy); background: #fff; }
.tb-main-nav .navbar-toggler {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(255,255,255,.10);
    border: 1px solid rgba(255,255,255,.18) !important;
}
.tb-main-nav .navbar-toggler:focus { box-shadow: 0 0 0 .2rem rgba(21,218,200,.16); }
.tb-main-nav .navbar-toggler-icon { filter: invert(1) grayscale(1) brightness(2); }

.btn-tb-primary {
    background: linear-gradient(135deg, var(--tb-blue), var(--tb-turquoise));
    color: #fff;
    border: 0;
    border-radius: 999px;
    padding: 13px 22px;
    font-weight: 850;
    box-shadow: 0 18px 34px rgba(18, 148, 255, .25);
}
.btn-tb-primary:hover { color: #fff; transform: translateY(-1px); }
.btn-tb-outline-dark {
    border: 1px solid rgba(7, 28, 54, .16);
    color: var(--tb-navy);
    background: #fff;
    border-radius: 999px;
    padding: 13px 22px;
    font-weight: 850;
}
.btn-tb-outline-dark:hover {
    color: var(--tb-blue-dark);
    border-color: rgba(18,148,255,.35);
    background: rgba(18,148,255,.05);
}

.page-hero {
    position: relative;
    padding: 96px 0 86px;
    color: #fff;
    overflow: hidden;
    background:
        radial-gradient(circle at 12% 14%, rgba(21, 218, 200, .42), transparent 28%),
        radial-gradient(circle at 86% 10%, rgba(18, 148, 255, .28), transparent 28%),
        linear-gradient(105deg, rgba(7, 28, 54, .98) 0%, rgba(7, 28, 54, .91) 52%, rgba(7, 28, 54, .60) 100%),
        url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1900&q=85') center/cover no-repeat;
}
.page-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--tb-turquoise), var(--tb-blue), rgba(255,255,255,0));
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .eyebrow {
    background: linear-gradient(135deg, rgba(255,255,255,.20), rgba(21,218,200,.20));
    color: #fff;
    border: 1px solid rgba(255,255,255,.28);
    box-shadow: 0 14px 34px rgba(0,0,0,.16);
    backdrop-filter: blur(12px);
}
.page-hero-title {
    max-width: 940px;
    font-size: clamp(2.55rem, 5vw, 4.05rem);
    line-height: .98;
    font-weight: 950;
 /*   letter-spacing: -.065em;*/
}
.page-hero-desc {
    max-width: 760px;
    color: rgba(255,255,255,.82);
    font-size: 1.15rem;
    line-height: 1.78;
}
.breadcrumb-soft {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    color: rgba(255,255,255,.78);
    font-weight: 700;
    font-size: .94rem;
}
.breadcrumb-soft a { color: #fff; }

.filter-card {
    margin-top: -42px;
    position: relative;
    z-index: 3;
    border: 1px solid rgba(7,28,54,.10);
    background: rgba(255,255,255,.96);
    border-radius: 28px;
    padding: 22px;
    box-shadow: 0 26px 70px rgba(7,28,54,.12);
    backdrop-filter: blur(12px);
}
.filter-card .form-control,
.filter-card .form-select {
    min-height: 52px;
    border-radius: 16px;
    border: 1px solid rgba(7,28,54,.12);
    font-weight: 700;
}
.filter-card .form-control:focus,
.filter-card .form-select:focus {
    border-color: rgba(18,148,255,.55);
    box-shadow: 0 0 0 .22rem rgba(18,148,255,.12);
}

.project-card {
    height: 100%;
    border: 1px solid rgba(7, 28, 54, .10);
    border-radius: 30px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 18px 50px rgba(7, 28, 54, .06);
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.project-card:hover {
    transform: translateY(-7px);
    box-shadow: var(--tb-shadow);
    border-color: rgba(18,148,255,.24);
}
.project-image-wrap {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: #eef6ff;
}
.project-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
    transition: transform .4s ease;
}
.project-card:hover .project-image-wrap img { transform: scale(1.08); }
.project-image-wrap::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7,28,54,0) 34%, rgba(7,28,54,.74) 100%);
}
.project-category-badge {
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 2;
    max-width: calc(100% - 36px);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 13px;
    border-radius: 999px;
    color: #fff;
    background: rgba(7,28,54,.68);
    border: 1px solid rgba(255,255,255,.22);
    backdrop-filter: blur(12px);
    font-weight: 850;
    font-size: .84rem;
}
.project-meta-overlay {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 18px;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.project-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 11px;
    border-radius: 999px;
    background: rgba(255,255,255,.92);
    color: var(--tb-navy);
    font-size: .82rem;
    font-weight: 850;
}
.project-body {
    padding: 28px;
}
.project-body h2 {
    color: var(--tb-navy);
    font-weight: 950;
    letter-spacing: -.04em;
    font-size: 1.58rem;
    margin-bottom: 12px;
}
.project-body p {
    color: var(--tb-muted);
    line-height: 1.72;
}
.project-specs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 22px 0 0;
}
.project-spec {
    border: 1px solid rgba(7,28,54,.08);
    border-radius: 18px;
    padding: 12px;
    background: rgba(18,148,255,.035);
}
.project-spec span {
    display: block;
    color: var(--tb-muted);
    font-size: .78rem;
    font-weight: 800;
    margin-bottom: 3px;
}
.project-spec strong {
    color: var(--tb-navy);
    font-weight: 900;
    font-size: .95rem;
}
.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    color: var(--tb-blue-dark);
    font-weight: 950;
}
.project-link i { transition: transform .2s ease; }
.project-link:hover i { transform: translateX(4px); }
.project-empty {
    display: none;
    border: 1px dashed rgba(7,28,54,.22);
    border-radius: 24px;
    padding: 34px;
    background: rgba(18,148,255,.04);
}

.db-note-card {
    border: 1px solid rgba(7,28,54,.10);
    border-radius: 30px;
    padding: 34px;
    background:
        radial-gradient(circle at 8% 10%, rgba(21,218,200,.15), transparent 34%),
        linear-gradient(135deg, #ffffff, #f7fbff);
    box-shadow: 0 20px 60px rgba(7,28,54,.08);
}
.db-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}
.db-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    color: var(--tb-muted);
    font-weight: 700;
}
.db-list i { color: var(--tb-turquoise); margin-top: 2px; }

.cta-card {
    background:
        radial-gradient(circle at 18% 0%, rgba(21,218,200,.26), transparent 32%),
        linear-gradient(135deg, #071c36, #0b2748);
    color: #fff;
    border-radius: 34px;
    padding: 46px;
    overflow: hidden;
    position: relative;
}
.cta-card::after {
    content: "";
    position: absolute;
    right: -90px;
    bottom: -120px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(21,218,200,.18);
}
.cta-card > * { position: relative; z-index: 2; }

footer {
    background: #06182f;
    color: rgba(255,255,255,.72);
    padding: 72px 0 28px;
}
footer a { color: rgba(255,255,255,.78); }
footer a:hover { color: #fff; }
.footer-logo { height: 60px; width: auto; }

.quick-contact-widget {
    position: fixed;
    right: 0;
    bottom: 28px;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}
.quick-contact-main {
    display: flex;
    align-items: flex-end;
    flex-direction: column;
    gap: 10px;
}
.quick-contact-panel {
    width: 270px;
    margin-right: 14px;
    border-radius: 22px;
    border: 1px solid rgba(7,28,54,.10);
    background: rgba(255,255,255,.96);
    box-shadow: 0 24px 70px rgba(7,28,54,.20);
    padding: 12px;
    transform: translateX(22px) scale(.96);
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease, transform .22s ease;
    backdrop-filter: blur(14px);
}
.quick-contact-widget.is-open .quick-contact-panel {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0) scale(1);
}
.quick-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 16px;
    color: var(--tb-navy);
    font-weight: 850;
}
.quick-contact-item:hover { background: rgba(18,148,255,.07); color: var(--tb-blue-dark); }
.quick-contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--tb-blue), var(--tb-turquoise));
    flex: 0 0 auto;
}
.quick-contact-toggle {
    min-width: 56px;
    width: 56px;
    min-height: 54px;
    margin-right: 0;
    padding: 0 16px;
    border: 0;
    border-radius: 18px 0 0 18px;
    background: linear-gradient(135deg, var(--tb-blue), var(--tb-turquoise));
    color: #fff;
    box-shadow: 0 18px 34px rgba(18,148,255,.28);
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    overflow: hidden;
    white-space: nowrap;
    transition: width .24s ease, min-width .24s ease, border-radius .24s ease, box-shadow .24s ease;
}
.quick-contact-toggle span {
    opacity: 0;
    transform: translateX(10px);
    transition: opacity .18s ease, transform .18s ease;
    font-weight: 900;
}
.quick-contact-toggle:hover,
.quick-contact-toggle:focus-visible,
.quick-contact-widget.is-open .quick-contact-toggle {
    width: 178px;
    min-width: 178px;
    border-radius: 18px 0 0 18px;
    box-shadow: 0 22px 44px rgba(18,148,255,.34);
}
.quick-contact-toggle:hover span,
.quick-contact-toggle:focus-visible span,
.quick-contact-widget.is-open .quick-contact-toggle span {
    opacity: 1;
    transform: translateX(0);
}
.quick-top-link {
    width: 52px;
    height: 52px;
    border-radius: 18px 0 0 18px;
    display: grid;
    place-items: center;
    margin-right: 0;
    background: #071c36;
    color: #fff;
    box-shadow: 0 16px 34px rgba(7,28,54,.22);
}
.quick-top-link:hover { color: var(--tb-turquoise); }

@media (max-width: 1199.98px) {
    .tb-main-nav .navbar-brand { margin-right: 16px; padding-right: 18px; }
    .tb-main-nav .brand-logo { height: 50px; }
    .tb-main-nav .nav-link { font-size: .9rem; padding-left: 10px !important; padding-right: 10px !important; }
}
@media (max-width: 991.98px) {
    .topbar .topbar-right { display: none !important; }
    .tb-main-nav { padding: 12px 0; }
    .tb-main-nav .navbar-brand { border-right: 0; padding-right: 0; }
    .tb-main-nav .navbar-collapse {
        margin-top: 14px;
        padding: 16px;
        border-radius: 22px;
        background: rgba(255,255,255,.08);
        border: 1px solid rgba(255,255,255,.12);
    }
    .tb-main-nav .navbar-nav { align-items: stretch !important; gap: 6px; }
    .tb-main-nav .nav-link { padding: 13px 16px !important; font-size: .95rem; background: rgba(255,255,255,.05); }
    .tb-main-nav .nav-link::after { display: none; }
    .page-hero { padding: 68px 0 78px; }
    .page-hero-title { font-size: 2.7rem; }
    .filter-card { margin-top: -28px; }
    .project-image-wrap { height: 245px; }
    .cta-card { padding: 30px; border-radius: 28px; }
}
@media (max-width: 575.98px) {
    .section-padding { padding: 68px 0; }
    .brand-logo { height: 45px; }
    .page-hero-title { font-size: 2.25rem; }
    .filter-card { padding: 16px; border-radius: 22px; }
    .project-body { padding: 22px; }
    .project-specs { grid-template-columns: 1fr; }
    .quick-contact-widget { bottom: 14px; }
    .quick-contact-panel { margin-right: 10px; width: min(238px, calc(100vw - 22px)); }
    .quick-contact-toggle { width: 54px; min-width: 54px; min-height: 52px; padding: 0 15px; }
    .quick-contact-toggle:hover,
    .quick-contact-toggle:focus-visible,
    .quick-contact-widget.is-open .quick-contact-toggle { width: 160px; min-width: 160px; padding: 12px 14px 12px 16px; }
    .quick-top-link { width: 50px; height: 50px; }
}