:root {
    --td-primary: #1f7a3d;
    --td-primary-dark: #15532a;
    --td-secondary: #f7b718;
    --td-surface: rgba(9, 20, 25, 0.85);
    --td-surface-strong: rgba(13, 30, 37, 0.95);
    --td-surface-light: #ffffff;
    --td-surface-muted: #132430;
    --td-text: #e6edf1;
    --td-text-dark: #18242b;
    --td-text-muted: #9cb0ba;
    --td-border: rgba(255, 255, 255, 0.08);
    --td-radius-lg: 24px;
    --td-radius-md: 18px;
    --td-shadow-soft: 0 35px 90px rgba(4, 15, 22, 0.45);
    --td-shadow-light: 0 24px 60px rgba(13, 30, 37, 0.18);
    --td-font-family: 'Montserrat', Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--td-font-family);
    background: linear-gradient(180deg, #0b141a 0%, #0f1f28 48%, #152c36 100%);
    color: var(--td-text);
    line-height: 1.6;
}

body.is-loading {
    overflow: hidden;
}

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

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

.btn {
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--td-secondary), #ffd84f);
    border: none;
    color: var(--td-text-dark);
    box-shadow: 0 20px 40px rgba(247, 183, 24, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 28px 55px rgba(247, 183, 24, 0.4);
    color: var(--td-text-dark);
}

.btn-outline-light {
    border: 1px solid rgba(255, 255, 255, 0.55);
    color: var(--td-text);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--td-text);
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 1px solid var(--td-primary);
    color: var(--td-primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--td-primary);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-light {
    color: var(--td-primary-dark);
    border: none;
    box-shadow: 0 16px 35px rgba(255, 255, 255, 0.18);
}

.navbar {
    padding: 1rem 0;
    transition: background 220ms ease, box-shadow 220ms ease, padding 220ms ease;
    background: linear-gradient(135deg, rgba(11, 21, 28, 0.85), rgba(7, 16, 21, 0.65));
    backdrop-filter: blur(18px);
    border-bottom: 1px solid transparent;
}

.navbar-brand {
    font-size: 1.65rem;
    letter-spacing: 0.04em;
}

.navbar--scrolled {
    padding: 0.75rem 0;
    background: rgba(9, 20, 25, 0.92);
    box-shadow: 0 18px 48px rgba(5, 14, 20, 0.45);
    border-bottom-color: rgba(255, 255, 255, 0.05);
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: rgba(230, 237, 241, 0.82);
    padding: 0.75rem 1.25rem;
    position: relative;
}

.navbar-nav .nav-link::after {
    content: "";
    position: absolute;
    left: 1.25rem;
    right: 1.25rem;
    bottom: 0.4rem;
    height: 2px;
    background: var(--td-secondary);
    border-radius: 999px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 180ms ease;
}

.navbar-nav .nav-link.active::after,
.navbar-nav .nav-link:hover::after {
    transform: scaleX(1);
}

.language-switch {
    display: inline-flex;
    align-items: center;
}

.language-switch__select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding: 0.45rem 2.2rem 0.45rem 0.95rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(9, 20, 25, 0.55);
    color: var(--td-text);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: background 160ms ease, border 160ms ease, box-shadow 160ms ease;
    position: relative;
    z-index: 1;
    min-width: 8.5rem;
}

.language-switch__select:hover,
.language-switch__select:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: #ffffff;
    outline: none;
    box-shadow: 0 0 0 3px rgba(247, 183, 24, 0.25);
}

.language-switch {
    position: relative;
}

.language-switch::after {
    content: "\f282";
    font-family: "bootstrap-icons";
    font-size: 0.9rem;
    position: absolute;
    right: 0.85rem;
    pointer-events: none;
    color: rgba(255, 255, 255, 0.75);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    border: 0;
}

.main-section {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 6rem;
    overflow: hidden;
}

.site-header,
.main-section,
.section,
.site-footer {
    transition: min-height 220ms ease;
}

.main-section__background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(12, 25, 32, 0.9), rgba(10, 40, 28, 0.55)), url('https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
    opacity: 0.5;
}

.main-section__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    color: var(--td-text);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
}

.main-section__stats {
    margin-top: 0.5rem;
}

.stat-tile {
    background: rgba(255, 255, 255, 0.07);
    border-radius: var(--td-radius-md);
    padding: 1.2rem 1.1rem;
    text-align: center;
    backdrop-filter: blur(12px);
}

.stat-value {
    display: block;
    font-size: 1.6rem;
    font-weight: 700;
}

.stat-label {
    display: block;
    color: rgba(230, 237, 241, 0.72);
    font-size: 0.95rem;
}

.main-media {
    position: relative;
    border-radius: var(--td-radius-lg);
    overflow: hidden;
}

.main-media__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
}

.main-media__badge {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
    display: flex;
    gap: 0.9rem;
    align-items: center;
    padding: 0.9rem 1rem;
    border-radius: var(--td-radius-md);
    background: rgba(8, 20, 24, 0.82);
    color: var(--td-text);
    backdrop-filter: blur(12px);
}

.main-media__badge-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(247, 183, 24, 0.15);
    font-size: 1.5rem;
    color: var(--td-secondary);
}

.main-media__badge-title {
    margin: 0;
    font-weight: 600;
}

.main-media__badge-text {
    margin: 0;
    color: rgba(230, 237, 241, 0.7);
    font-size: 0.95rem;
}

.section {
    padding: 6rem 0;
}

.section-light {
    background: var(--td-surface-light);
    color: var(--td-text-dark);
}

.section-light .section-title,
.section-light .section-lead,
.section-light .feature-list span,
.section-light .timeline__item h3,
.section-light .timeline__item p,
.section-light .timeline__badge {
    color: var(--td-text-dark);
}

.section-light .section-lead {
    color: rgba(24, 36, 43, 0.75);
}

.section-title {
    font-size: clamp(2rem, 3.6vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 1.2rem;
}

.section-lead {
    font-size: 1.05rem;
    color: var(--td-text-muted);
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--td-secondary);
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.feature-list li {
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.feature-list i {
    margin-top: 0.2rem;
    color: var(--td-primary);
}

.about-media {
    position: relative;
    background: linear-gradient(135deg, rgba(31, 122, 61, 0.35), rgba(15, 45, 62, 0.55));
    min-height: 360px;
}

.solution-card {
    background: var(--td-surface-strong);
    border-radius: var(--td-radius-md);
    padding: 2.25rem 1.9rem;
    box-shadow: var(--td-shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: transform 180ms ease, box-shadow 180ms ease;
    height: 100%;
}

.solution-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 38px 90px rgba(4, 14, 20, 0.55);
}

.solution-card__icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: rgba(247, 183, 24, 0.18);
    color: var(--td-secondary);
    display: grid;
    place-items: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.section-light .solution-card {
    background: var(--td-surface-light);
    box-shadow: var(--td-shadow-light);
    border-color: rgba(20, 36, 43, 0.08);
    color: var(--td-text-dark);
}

.section-light .solution-card h3,
.section-light .solution-card p {
    color: var(--td-text-dark);
}

.timeline {
    position: relative;
    max-width: 860px;
    margin: 0 auto;
    display: grid;
    gap: 2.5rem;
}

.timeline::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 30px;
    width: 2px;
    background: linear-gradient(180deg, rgba(31, 122, 61, 0.35), rgba(247, 183, 24, 0.45));
}

.timeline__item {
    display: flex;
    gap: 1.5rem;
    padding-left: 4.5rem;
}

.timeline__badge {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--td-primary);
    color: #ffffff;
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: 0 18px 40px rgba(31, 122, 61, 0.35);
}

.section-accent {
    background: linear-gradient(135deg, rgba(31, 122, 61, 0.92), rgba(15, 61, 44, 0.88));
    color: #ffffff;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.brand-logos__item {
    border-radius: var(--td-radius-md);
    background: rgba(255, 255, 255, 0.06);
    padding: 1.7rem;
    display: grid;
    place-items: center;
    min-height: 110px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
}

.brand-logos__img {
    max-height: 50px;
    object-fit: contain;
    filter: saturate(0) brightness(1.1);
    opacity: 0.92;
}

.brand-logos__fallback {
    font-weight: 600;
    text-align: center;
    color: rgba(230, 237, 241, 0.82);
}

.brand-logos__fallback--text {
    padding: 0 0.8rem;
    line-height: 1.4;
    color: rgba(230, 237, 241, 0.85);
}

.brand-list li {
    margin-bottom: 0.65rem;
    padding: 0.9rem 1.1rem;
    border-radius: var(--td-radius-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: rgba(230, 237, 241, 0.85);
}

.brands-note {
    color: rgba(230, 237, 241, 0.7);
    font-weight: 500;
}

.section-light .brand-list li {
    background: rgba(20, 36, 43, 0.05);
    border-color: rgba(20, 36, 43, 0.08);
    color: var(--td-text-dark);
}

.contact-card {
    background: var(--td-surface-light);
    border-radius: var(--td-radius-lg);
    padding: 2.3rem;
    box-shadow: var(--td-shadow-light);
    text-align: left;
}

.contact-card p {
    color: rgba(24, 36, 43, 0.78);
}

.contact-form .form-control {
    border-radius: 14px;
    border: 1px solid rgba(24, 36, 43, 0.12);
    padding: 0.8rem 1rem;
    box-shadow: none;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.contact-form .form-control:focus {
    border-color: var(--td-primary);
    box-shadow: 0 0 0 3px rgba(31, 122, 61, 0.15);
}

.site-footer {
    padding: 3.5rem 0;
    background: rgba(9, 18, 25, 0.9);
    color: rgba(230, 237, 241, 0.78);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-logo {
    width: 160px;
    margin: 0 auto 1.25rem;
    filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.35));
}

.back-to-top {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    padding: 0.75rem 1.6rem;
    border-radius: 999px;
    background: rgba(247, 183, 24, 0.92);
    color: var(--td-text-dark);
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: 0 18px 40px rgba(247, 183, 24, 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 0s linear 180ms;
}

.back-to-top--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition-delay: 0s;
}

.page-loader {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at top, rgba(9, 20, 25, 0.96), rgba(8, 16, 22, 0.98));
    z-index: 999;
    transition: opacity 260ms ease;
}

.page-loader.is-hidden {
    opacity: 0;
    pointer-events: none;
}

.page-loader__inner {
    display: grid;
    gap: 1.3rem;
    place-items: center;
    padding: 2.8rem 3rem;
    border-radius: var(--td-radius-lg);
    background: rgba(13, 30, 37, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--td-shadow-soft);
    text-align: center;
}

.page-loader__logo {
    width: 150px;
}

.page-loader__spinner {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 4px solid rgba(247, 183, 24, 0.18);
    border-top-color: var(--td-secondary);
    animation: spin 1s linear infinite;
}

.page-loader__text {
    color: rgba(230, 237, 241, 0.78);
    font-weight: 500;
}

.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 420ms ease, transform 420ms ease;
}

.reveal--visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 991.98px) {
    .navbar {
        background: rgba(9, 20, 25, 0.95);
        border-bottom-color: rgba(255, 255, 255, 0.05);
    }

    .navbar-nav .nav-link {
        padding: 0.6rem 0;
    }

    .navbar-nav .nav-link::after {
        display: none;
    }

    .language-switch {
        margin-top: 1rem;
        width: 100%;
    }

    .language-switch__select {
        width: 100%;
        min-width: unset;
    }

    .main-section {
        padding: 7rem 0 4rem;
    }

    .timeline::before {
        left: 0;
    }

    .timeline__item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 3.5rem;
    }

    .back-to-top {
        right: 1.25rem;
        bottom: 1.25rem;
    }
}

@media (max-width: 575.98px) {
    .main-section__stats .col-4 {
        flex: 1 0 100%;
        max-width: 100%;
    }

    .stat-tile {
        text-align: left;
    }

    .brand-logos {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .contact-card {
        padding: 1.8rem;
    }
}