@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

:root {
    --primary-color: #00A8FF;
    --secondary-color: #9A17E8;
    --dark-bg: #0F0F1A;
    --light-bg: #1A1A2E;
    --text-color: #EAEAEA;
    --text-secondary: #A0A0B0;
    --card-bg: #161625;
    --border-color: rgba(255, 255, 255, 0.1);

    /* Case Study Colors */
    --case-purple: #9A17E8; /* Using secondary color */
    --case-green: #00A8FF; /* Using primary color */
    --case-orange: #FFA500;
    --case-pink: #FF6347;

    --case-purple-bg: rgba(154, 23, 232, 0.1); /* From --secondary-color */
    --case-green-bg: rgba(0, 168, 255, 0.1); /* From --primary-color */
    --case-orange-bg: rgba(255, 165, 0, 0.1);
    --case-pink-bg: rgba(255, 99, 71, 0.1);
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.8;
    margin: 0;
    color: var(--text-color);
    background-color: var(--dark-bg);
}

.container {
    width: 90%;
    margin: 0 auto;
    max-width: 1200px;
}

header {
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #C084FC;
    text-shadow: 0 0 10px var(--primary-color);
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin-left: 25px;
}

nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

nav a:hover {
    color: var(--primary-color);
    text-shadow: 0 0 5px var(--primary-color);
}

.cta-button {
    background-color: #007BFF;
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 168, 255, 0.3);
}

.hero {
    color: #fff;
    padding: 120px 0;
    text-align: center;
    background-size: cover;
    background-position: center;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(15, 15, 26, 0.7), rgba(15, 15, 26, 1));
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(0, 168, 255, 0.5);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-secondary);
}

section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 60px;
    font-weight: 700;
    color: #fff;
}

.problems ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.problems li {
    background: var(--card-bg);
    background-color: rgba(255, 0, 0, 0.1); /* Transparent red */
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problems li:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.solution {
    background: var(--light-bg);
}

.solution .services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}

.service {
    background: var(--card-bg);
    background-color: rgba(128, 0, 128, 0.1); /* Transparent purple */
    padding: 40px 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.service h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.steps ol {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: space-between;
    gap: 40px;
    position: relative;
}

.steps ol::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--border-color);
    z-index: -1;
}

.steps li {
    text-align: center;
    max-width: 22%;
}

.steps span {
    display: flex;
    width: 50px;
    height: 50px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--dark-bg);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
    transition: background 0.3s, color 0.3s;
}

.steps li:hover span {
    background: var(--primary-color);
    color: #fff;
}

.benefits-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.benefit {
    text-align: center;
    background: var(--card-bg);
    background-color: rgba(0, 128, 0, 0.1); /* Transparent green */
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.benefit h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.cases {
    background: var(--light-bg);
}

.cases .case-studies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Adjusted for responsiveness */
    gap: 40px;
}

.case {
    background: var(--card-bg); /* Default card background */
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex; /* To arrange content */
    flex-direction: column;
    justify-content: space-between; /* Push metrics to bottom */
}

.case h3 {
    font-size: 1.5rem;
    color: var(--text-color); /* Default, will be overridden */
    margin-bottom: 15px;
}

/* Specific case styles */
.case.internet-shop {
    background-color: var(--case-purple-bg);
    border-left: 5px solid var(--case-purple);
}
.case.internet-shop h3 {
    color: var(--case-purple);
}
.case.internet-shop .metric-value {
    color: var(--case-purple);
}

.case.services {
    background-color: var(--case-green-bg);
    border-left: 5px solid var(--case-green);
}
.case.services h3 {
    color: var(--case-green);
}
.case.services .metric-value {
    color: var(--case-green);
}

.case.production {
    background-color: var(--case-orange-bg);
    border-left: 5px solid var(--case-orange);
}
.case.production h3 {
    color: var(--case-orange);
}
.case.production .metric-value {
    color: var(--case-orange);
}

.case.retail {
    background-color: var(--case-pink-bg);
    border-left: 5px solid var(--case-pink);
}
.case.retail h3 {
    color: var(--case-pink);
}
.case.retail .metric-value {
    color: var(--case-pink);
}

.case-button {
    background: transparent;
    border: 1px solid;
    padding: 8px 15px;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: default; /* Not clickable */
    margin-bottom: 15px;
    align-self: flex-start; /* Align to start */
}

.case-button.purple {
    color: #007BFF;
    border-color: #007BFF;
}
.case-button.green {
    color: #007BFF;
    border-color: #007BFF;
}
.case-button.orange {
    color: #007BFF;
    border-color: #007BFF;
}
.case-button.pink {
    color: #007BFF;
    border-color: #007BFF;
}

.case-metrics {
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.metric-item {
    text-align: center;
}

.metric-value {
    font-size: 2rem;
    font-weight: bold;
    display: block;
    line-height: 1;
}

.metric-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.contact-form {
    text-align: center;
    background: linear-gradient(180deg, var(--dark-bg), var(--light-bg));
}

.contact-form form {
    max-width: 600px;
    margin: 30px auto 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

    .contact-form input {
        padding: 15px;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        font-size: 1rem;
        background: var(--light-bg);
        color: var(--text-color);
        z-index: 10;
    }
.contact-form input::placeholder {
    color: var(--text-secondary);
}

.contact-form .note {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.about {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.faq {
    background: var(--light-bg);
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--text-color);
    font-size: 1.2rem;
    text-align: left;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 0 20px;
    margin: 0;
    color: var(--text-secondary);
}

.faq-item.is-active .faq-answer {
    max-height: 300px; /* Adjust as needed */
}

.faq-item.is-active .faq-icon {
    transform: rotate(45deg);
}

footer {
    background: #0A0A14;
    color: var(--text-secondary);
    padding: 40px 0;
    text-align: center;
}

footer .container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

footer .logo {
    margin-bottom: 20px;
}

footer .contacts {
    margin-bottom: 20px;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.logo img {
    height: 40px;
    margin-right: 10px;
    vertical-align: middle;
}

.hamburger {
    display: none;
    cursor: pointer;
    padding: 15px;
    background: transparent;
    border: none;
}

.hamburger-box {
    width: 30px;
    height: 24px;
    display: inline-block;
    position: relative;
}

.hamburger-inner {
    display: block;
    top: 50%;
    margin-top: -2px;
}

.hamburger-inner, .hamburger-inner::before, .hamburger-inner::after {
    width: 30px;
    height: 3px;
    background-color: #fff;
    border-radius: 4px;
    position: absolute;
    transition: transform 0.2s ease-in-out;
}

.hamburger-inner::before, .hamburger-inner::after {
    content: "";
    display: block;
}

.hamburger-inner::before {
    top: -10px;
}

.hamburger-inner::after {
    bottom: -10px;
}

.hamburger.is-active .hamburger-inner {
    transform: rotate(45deg);
}

.hamburger.is-active .hamburger-inner::before {
    top: 0;
    transform: rotate(90deg);
}

.hamburger.is-active .hamburger-inner::after {
    bottom: 0;
    transform: rotate(90deg);
}

@media (max-width: 768px) {
    header .container {
        justify-content: space-between;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 80px; /* Adjust this value based on header height */
        left: 0;
        right: 0;
        background-color: var(--dark-bg);
        padding: 1rem 0;
        border-top: 1px solid var(--border-color);
    }

    .main-nav.is-active {
        display: block;
        z-index: 1001;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
    }

    .main-nav ul li {
        margin: 10px 0;
    }

    .hamburger {
        display: block;
    }

    .cta-button {
        display: none; /* Optionally hide the CTA button in the header on mobile */
    }

    .contact-form .cta-button {
        display: block; /* Ensure the contact form button is visible on mobile */
        width: 100%; /* Make it full width for better mobile experience */
    }

    .hero h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 2.2rem;
    }

    .steps ol {
        flex-direction: column;
        align-items: center;
        position: relative;
        padding-top: 20px; /* Add some padding */
    }
    
    .steps ol::before {
        display: block; /* Make sure it's displayed */
        left: 50%;
        transform: translateX(-50%);
        top: 0;
        bottom: 0;
        width: 2px;
        height: 100%;
    }

    .steps li {
        max-width: 80%;
    }

    .cases .case-studies {
        grid-template-columns: 1fr;
    }

    footer .container {
        flex-direction: column;
        text-align: center;
    }

    .contacts, .legal {
        margin-top: 20px;
    }
}