:root {
    --primary-bg: #000000;
    --secondary-bg: #0a0a0a;
    --accent-color: #10b981;
    --text-main: #ffffff;
    --text-muted: #9ca3af;
    --font-family: 'Inter', sans-serif;
    --base-size: 16px;
    --border-radius: 8px;
    --transition: 0.3s ease-in-out;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--primary-bg);
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: var(--base-size);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: inherit;
}

a,
a:hover,
a:focus {
    text-decoration: none;
    transition: color var(--transition);
    color: var(--accent-color);
}

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

ul,
ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
    transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.btn-custom {
    background-color: var(--accent-color);
    color: #000000;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    display: inline-block;
}

.btn-custom:hover {
    transform: scale(1.05);
    background-color: #059669;
    color: #000000;
}

@media (max-width: 768px) {
    h1 {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }

    h2 {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    h3 {
        font-size: clamp(1.2rem, 5vw, 1.5rem);
    }

    .responsive-text-break {
        word-break: break-word;
        overflow-wrap: break-word;
        font-size: 0.9em;
    }
}

/* ===== header_main ===== */
.header-link:hover {
    color: var(--accent-color) !important;
}

.js-mobile-menu.open {
    max-height: 400px !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== hero_section ===== */
.hero-section {
    width: 100%;
}

.hero-section h1 {
    letter-spacing: -0.02em;
}

.hero-section .btn:hover {
    filter: brightness(1.1);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

/* ===== about_company ===== */
#about-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    width: 100%;
}

#about-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.advantage-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    position: relative;
    flex-shrink: 0;
}

.advantage-icon-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--accent-color);
    opacity: 0.1;
    border-radius: var(--border-radius);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

/* ===== main_article ===== */
#expert-material {
    font-family: var(--font-family);
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body strong {
    color: var(--accent-color);
}

.article-body ul li span,
.article-body ol li {
    color: var(--text-main);
}

.expert-content {
    background: var(--primary-bg);
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 768px) {
    .expert-content {
        padding: 1.5rem;
    }

    .display-4 {
        font-size: 2.5rem;
    }
}

/* ===== featured_block ===== */
#featured .featured-card-wrapper {
    perspective: 1000px;
    width: 100%;
    max-width: 450px;
    height: 480px;
    position: relative;
}

#featured .featured-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

#featured .featured-card-wrapper:hover .featured-card-inner {
    transform: rotateY(180deg);
}

#featured .card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--border-radius);
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(16, 185, 129, 0.1);
}

#featured .card-front {
    background-color: var(--secondary-bg);
    color: var(--text-main);
}

#featured .card-back {
    background-color: var(--accent-color);
    color: var(--primary-bg);
    transform: rotateY(180deg);
}

#featured .icon-box {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

#featured .card-front .icon-box {
    color: var(--accent-color);
}

#featured .card-back .icon-box {
    color: var(--primary-bg);
}

#featured .card-back h3,
#featured .card-back span {
    color: var(--primary-bg);
}

/* ===== article_cards ===== */
.js-modal-trigger:hover {
    background-color: var(--accent-color) !important;
    color: var(--primary-bg) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.card {
    transition: var(--transition);
    border: 1px solid transparent !important;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color) !important;
}

.modal-content-custom::-webkit-scrollbar {
    width: 8px;
}

.modal-content-custom::-webkit-scrollbar-track {
    background: var(--primary-bg);
}

.modal-content-custom::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

.js-modal-close:hover {
    color: var(--accent-color) !important;
    transform: rotate(90deg);
    transition: var(--transition);
}

/* ===== tags_pill ===== */
#tags .tag-pill {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-bg) 100%);
    border-radius: 100px;
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#tags .tag-pill:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
}

#tags .tag-pill.active {
    background: var(--text-main);
    color: var(--primary-bg);
    transform: scale(0.95);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.2);
    border-color: var(--text-main);
}

#tags .js-tags-container {
    width: 100%;
}

/* ===== team_grid ===== */
.team-section {
    background-color: var(--secondary-bg);
    width: 100%;
}

.js-team-card {
    transition: transform var(--transition), border-color var(--transition);
    border: 1px solid #1f2937 !important;
}

.js-team-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color) !important;
}

.team-section .badge {
    border-radius: 4px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.4em 0.8em;
}

/* ===== process_steps ===== */
.js-process-step {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.js-process-step.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.js-process-step:nth-child(2) {
    transition-delay: 0.1s;
}

.js-process-step:nth-child(3) {
    transition-delay: 0.2s;
}

.js-process-step:nth-child(4) {
    transition-delay: 0.3s;
}

.js-process-step:nth-child(5) {
    transition-delay: 0.4s;
}

#process .rounded-3:hover {
    border-color: var(--accent-color) !important;
    transform: translateY(-5px);
    transition: var(--transition);
}

/* ===== testimonials ===== */
.testimonials-section {
    padding: 100px 0;
    font-family: var(--font-family);
}

.testimonial-card {
    background-color: var(--primary-bg);
    border: 1px solid rgba(156, 163, 175, 0.1);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    height: 100%;
    opacity: 0;
    transform: translateY(30px);
}

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

.testimonial-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.quote-icon {
    width: 40px;
    height: 40px;
}

.testimonial-text {
    font-style: italic;
    line-height: 1.6;
    font-size: 1.1rem;
}

/* ===== faq_accordion ===== */
#faq-section {
    background-color: var(--primary-bg);
    padding: 80px 0;
}

.faq-item {
    background-color: var(--secondary-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    width: 100%;
}

.faq-item:hover {
    border-color: var(--accent-color);
}

.faq-trigger {
    background: transparent;
    border: none;
    padding: 1.5rem;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
    width: 100%;
}

.faq-trigger[aria-expanded="true"] {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.faq-trigger[aria-expanded="true"] span {
    color: var(--accent-color) !important;
}

.faq-trigger[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
    color: var(--accent-color) !important;
}

.faq-icon {
    transition: var(--transition);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-content.show {
    max-height: 500px;
}

.faq-body {
    padding: 1.5rem;
    line-height: 1.6;
}

.text-main {
    color: var(--text-main);
}

.text-muted {
    color: var(--text-muted);
}

.text-accent {
    color: var(--accent-color);
}

/* ===== footer ===== */
#footer {
    width: 100%;
}

#footer a:hover {
    color: var(--accent-color) !important;
    opacity: 0.8;
}

#footer svg {
    vertical-align: middle;
}

.text-muted{
    color: #fff !important;
}

section{
    overflow: hidden;
}