:root {
    --main-background: #050A18;
    --secondary-background: #0B1120;
    --accent-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --text-primary: #FFFFFF;
    --text-secondary: #94A3B8;
    --accent-color: #3B82F6;
    --muted-text: #64748B;
    --border-radius: 12px;
    --font-family: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--main-background);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-weight: 400;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-top: 0;
    line-height: 1.2;
}

a,
a:hover,
a:focus {
    text-decoration: none;
    transition: color 0.3s ease, opacity 0.3s ease;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
    font-family: inherit;
    transition: all 0.3s ease;
}

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

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

input,
textarea,
select {
    font-family: inherit;
}

@media (max-width: 768px) {
    h1 {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }

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

    h3 {
        font-size: clamp(1.25rem, 5vw, 1.75rem);
    }

    p,
    a,
    span,
    li {
        word-break: break-word;
        overflow-wrap: break-word;
    }
}

.btn-glow-hover:hover {
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.4);
    transform: translateY(-2px);
}

/* ===== header_section ===== */
#header {
    background-color: var(--secondary-background);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1050
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease
}

.nav-link:hover {
    color: var(--accent-color) !important
}

.btn-cta {
    background: var(--accent-gradient);
    padding: 10px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: opacity 0.3s ease;
    display: inline-block
}

.btn-cta:hover {
    opacity: 0.9
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    z-index: 2000;
    background-color: var(--secondary-background);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center
}

.mobile-link {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-decoration: none;
    transition: color 0.3s ease
}

.mobile-link:hover {
    color: var(--accent-color) !important
}

/* ===== hero_section ===== */
.hero-section {
    background-color: var(--main-background);
    position: relative;
}

.hero-background-image {
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    background: linear-gradient(135deg, rgba(5, 10, 24, 0.95) 0%, rgba(5, 10, 24, 0.7) 100%);
}

.js-cta-btn {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.js-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
    color: var(--text-primary);
}

.hero-logo-link {
    transition: opacity 0.3s ease;
}

.hero-logo-link:hover {
    opacity: 0.8;
}

@media (max-width: 991.98px) {
    .display-2 {
        font-size: 2.2rem;
    }
}

/* ===== about_section ===== */
.workflow-container {
    position: relative;
}

.workflow-container::before {
    content: "";
    position: absolute;
    left: 24px;
    top: 48px;
    bottom: 48px;
    width: 1px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 0;
}

.workflow-container>div {
    position: relative;
    z-index: 1;
}

/* ===== services_grid ===== */
.services-section {
    background-color: var(--main-background);
    position: relative;
    overflow: hidden;
}

.service-card {
    background-color: var(--secondary-background);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.icon-wrapper {
    width: 64px;
    height: 64px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
}

.service-card h3 {
    line-height: 1.3;
    min-height: 3.2em;
    display: flex;
    align-items: center;
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== benefits_list ===== */
#benefits .js-benefit-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#benefits .js-benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ===== workflow_timeline ===== */
.workflow-line {
    position: absolute;
    top: 40px;
    left: 12.5%;
    height: 2px;
    background: var(--accent-gradient);
    opacity: 0.3;
    z-index: 0;
    width: 0;
    transition: width 1.2s cubic-bezier(0.65, 0, 0.35, 1);
    transition-delay: 0.2s;
}

.workflow-line.is-visible {
    width: 75%;
}

.workflow-step {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
}

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

.workflow-row>div:nth-child(1) {
    transition-delay: 0.1s;
}

.workflow-row>div:nth-child(2) {
    transition-delay: 0.3s;
}

.workflow-row>div:nth-child(3) {
    transition-delay: 0.5s;
}

.workflow-row>div:nth-child(4) {
    transition-delay: 0.7s;
}

.workflow-icon-wrapper {
    position: relative;
    display: inline-block;
}

.workflow-icon-box {
    width: 80px;
    height: 80px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4);
    margin: 0 auto;
}

.step-badge {
    position: absolute;
    bottom: -5px;
    right: -5px;
    background-color: var(--secondary-background);
    color: var(--accent-color);
    font-weight: 800;
    font-size: 0.75rem;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--accent-color);
}

/* ===== tech_stack ===== */
#tools .tech-card {
    background-color: var(--secondary-background);
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: var(--border-radius);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(30px);
}

#tools .tech-card.visible {
    opacity: 1;
    transform: translateY(0);
}

#tools .tech-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
    background-color: rgba(11, 17, 32, 0.9);
}

#tools .icon-container {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: var(--accent-gradient);
}

#tools .icon-container svg {
    width: 30px;
    height: 30px;
    fill: #FFFFFF;
}

/* ===== cases_results ===== */
.js-animate-case {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.js-animate-case.active {
    opacity: 1;
    transform: translateY(0);
}

.timeline-metrics {
    position: relative;
    padding-left: 0;
}

.timeline-metrics::before {
    content: "";
    position: absolute;
    left: 19px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: rgba(255, 255, 255, 0.05);
    z-index: 0;
}

.timeline-metrics>div {
    position: relative;
    z-index: 1;
}

/* ===== pricing_tables ===== */
#pricing {
    background-color: var(--main-background);
}

.pricing-card {
    background-color: var(--secondary-background);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform .3s ease, border-color .3s ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
}

.popular-badge {
    background: var(--accent-gradient);
    color: var(--text-primary);
    font-size: .75rem;
    padding: 4px 12px;
    border-radius: 20px;
    position: absolute;
    top: -12px;
    right: 20px;
    z-index: 10;
}

/* ===== testimonials_list ===== */
#reviews {
    position: relative;
    overflow: hidden;
}

.review-card {
    transition: transform 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
}

/* ===== faq_accordion ===== */
#faq {
    background-color: var(--main-background);
}

.text-primary-custom {
    color: var(--text-primary) !important;
}

.text-secondary-custom {
    color: var(--text-secondary) !important;
}

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

.accordion-item {
    background-color: var(--secondary-background);
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: var(--border-radius) !important;
    margin-bottom: 16px;
    overflow: hidden;
    width: 100%;
}

.accordion-button {
    background-color: var(--secondary-background);
    color: var(--text-primary);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    border: none;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: none !important;
    transition: all 0.3s ease;
}

.accordion-button:not(.collapsed) {
    background-color: var(--secondary-background);
    color: var(--accent-color);
}

.accordion-button::after {
    display: none !important;
}

.faq-icon {
    color: var(--accent-color);
    transition: transform 0.3s ease;
    font-size: 1.25rem;
}

.is-active .faq-icon {
    transform: rotate(180deg);
}

.accordion-body {
    color: var(--text-secondary);
    padding: 0 1.5rem 1.5rem 1.5rem;
    background-color: var(--secondary-background);
    line-height: 1.6;
}

/* ===== contact_team_section ===== */
.js-contact-form .form-control::placeholder {
    color: var(--muted-text);
    opacity: 0.7;
}

.js-contact-form .form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25);
    outline: 0;
}

.js-team-contact-btn:hover {
    background-color: var(--accent-color);
    color: white !important;
}

.js-contact-form.was-validated .form-control:invalid {
    border-color: #dc3545;
}

.js-contact-form.was-validated .form-control:valid {
    border-color: #198754;
}

/* ===== footer ===== */
#footer {
    width: 100%;
    position: relative;
    z-index: 10;
}

.footer-logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.footer-nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-nav-link:hover {
    color: var(--accent-color);
}

.footer-legal-link {
    color: var(--muted-text);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.footer-legal-link:hover {
    color: var(--text-primary);
}

main{
    overflow: hidden !important;
}