/* ====================
   GLOBAL STYLES (ETAP 0)
   ==================== */

/* Root variables */
:root {
    --bg-main: #11111B;
    --bg-secondary: #1C1C2B;
    --text-main: #F5F5F5;
    --text-secondary: #a0a0b0;
    --accent-primary: #8E44AD;
    --accent-hover: #a052c9;

    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Roboto Mono', monospace;

    --container-width: 1200px;
    --container-padding: 20px;
}

/* Basic reset and body styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-main);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-hover);
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* ====================
   HEADER (ETAP 1)
   ==================== */
.header {
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    background-color: rgba(17, 17, 27, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

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

.header__logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav__link {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-primary);
    transition: width 0.3s ease;
}

.nav__link:hover::after {
    width: 100%;
}

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

.nav__link--cta {
    background-color: var(--accent-primary);
    color: var(--text-main);
    padding: 8px 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.nav__link--cta:hover {
    background-color: var(--accent-hover);
    color: var(--text-main);
}
.nav__link--cta::after {
    display: none;
}

/* ====================
   FOOTER (ETAP 2)
   ==================== */
.footer {
    background-color: var(--bg-secondary);
    padding-top: 60px;
    margin-top: 80px; /* Placeholder for content above */
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    padding-bottom: 40px;
}

.footer__logo {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--text-main);
    display: inline-block;
    margin-bottom: 15px;
}

.footer__description {
    color: var(--text-secondary);
    font-size: 14px;
    max-width: 300px;
}

.footer__title {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--text-main);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__link {
    color: var(--text-secondary);
    font-size: 15px;
}

.footer__list--contacts .footer__link {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer__address {
    color: var(--text-secondary);
    font-size: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--accent-primary);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
}

.footer__bottom-container {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .header__nav {
        /* JS-controlled mobile menu will be implemented here */
        display: none;
    }
    
    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__column--info {
        align-items: center;
    }

    .footer__description {
        margin-left: auto;
        margin-right: auto;
    }

    .footer__list--contacts .footer__link, .footer__address {
        justify-content: center;
    }
}

/* ====================
   HERO SECTION (ETAP 3)
   ==================== */
.hero {
    min-height: calc(100vh - 85px); /* Full viewport height minus header height */
    display: flex;
    align-items: center;
    padding: 60px 0;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 50px;
}

.hero__title {
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero__description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero__cta {
    display: inline-block;
    background-color: var(--accent-primary);
    color: var(--text-main);
    padding: 15px 35px;
    border-radius: 5px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 18px;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.hero__cta:hover {
    background-color: var(--accent-hover);
    transform: translateY(-3px);
}

.hero__visual {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 400px;
}

#particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Responsive adjustments for Hero section */
@media (max-width: 992px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero__visual {
        grid-row: 1; /* Move animation to the top on mobile */
        margin-bottom: 40px;
    }
    .hero__description {
        margin-left: auto;
        margin-right: auto;
    }
    .hero__title {
        font-size: 36px;
    }
}

/* ====================
   BASICS SECTION
   ==================== */
.basics {
    padding: 80px 0;
}

/* Reusable section title styles */
.section-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 50px auto;
}

.basics__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.basics__card {
    background-color: var(--bg-secondary);
    padding: 35px;
    border-radius: 8px;
    border: 1px solid transparent;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

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

.basics__card-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(142, 68, 173, 0.1);
    color: var(--accent-primary);
    border-radius: 50%;
    margin-bottom: 25px;
}

.basics__card-icon i {
    width: 28px;
    height: 28px;
}

.basics__card-title {
    font-size: 24px;
    margin-bottom: 15px;
}

.basics__card-description {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 25px;
}

.basics__card-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.basics__card-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}

.basics__card-list i {
    width: 18px;
    height: 18px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

/* Responsive adjustments for Basics section */
@media (max-width: 768px) {
    .basics__grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 30px;
    }
}

/* ====================
   PLATFORMS SECTION
   ==================== */
.platforms {
    padding: 80px 0;
    background-color: var(--bg-secondary);
}

.platforms__container {
    background-color: var(--bg-main);
    border-radius: 8px;
    padding: 40px;
}

.platforms__tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.platforms__tab-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 25px;
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 500;
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--bg-secondary);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.platforms__tab-button:hover {
    color: var(--text-main);
    border-color: var(--accent-primary);
}

.platforms__tab-button--active {
    background-color: var(--accent-primary);
    color: var(--text-main);
    border-color: var(--accent-primary);
}

.platforms__content-pane {
    display: none;
    grid-template-columns: 1fr 1.5fr;
    align-items: center;
    gap: 40px;
    animation: fadeIn 0.5s ease;
}

.platforms__content-pane--active {
    display: grid;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.platforms__pane-image img {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 8px;
    object-fit: cover;
}

.platforms__pane-text h3 {
    font-size: 28px;
    margin-bottom: 15px;
}

.platforms__pane-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.platforms__pane-text ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.platforms__pane-text ul li {
    display: flex;
    align-items: center;
}

.platforms__pane-text ul li strong {
    color: var(--accent-primary);
    margin-right: 8px;
}

/* Responsive adjustments for Platforms section */
@media (max-width: 768px) {
    .platforms__container {
        padding: 25px;
    }
    .platforms__content-pane {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .platforms__pane-image {
        margin-bottom: 25px;
    }
    .platforms__pane-image img {
        margin: 0 auto;
    }
    .platforms__pane-text ul {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .platforms__tabs {
        flex-direction: column;
        align-items: stretch;
    }
}
/* ====================
   AI INTEGRATIONS SECTION
   ==================== */
.ai-integrations {
    padding: 80px 0;
}

.ai-integrations__flow {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 50px;
    flex-wrap: nowrap; /* Prevent wrapping on large screens */
}

.ai-integrations__step {
    flex: 1; /* Each step takes equal space */
    min-width: 150px; /* Minimum width for each step */
    text-align: center;
    padding: 0 10px;
}

.ai-integrations__icon-wrapper {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px auto;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--accent-primary);
    box-shadow: 0 0 15px rgba(142, 68, 173, 0.3);
}

.ai-integrations__icon-wrapper i {
    width: 32px;
    height: 32px;
    color: var(--accent-primary);
}

.ai-integrations__step h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.ai-integrations__step p {
    font-size: 14px;
    color: var(--text-secondary);
}

.ai-integrations__arrow {
    flex-shrink: 0;
    margin-top: 25px;
    color: var(--text-secondary);
    width: 100%;
    max-width: 50px;
    height: 24px;
}

.ai-integrations__models {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
}

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

/* Responsive adjustments for AI Integrations section */
@media (max-width: 992px) {
    .ai-integrations__flow {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    .ai-integrations__arrow {
        transform: rotate(90deg);
        margin: 0;
        width: 24px;
        height: 24px;
    }
    .ai-integrations__step {
        max-width: 350px; /* Limit width on vertical layout */
    }
}

/* ====================
   CASES SECTION
   ==================== */
.cases {
    padding: 80px 0;
    background-color: var(--bg-secondary);
}

.cases__accordion {
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.cases__item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cases__item-header {
    width: 100%;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
    cursor: pointer;
    text-align: left;
}

.cases__item-title {
    font-family: var(--font-heading);
    color: var(--text-main);
    font-size: 20px;
    font-weight: 500;
    margin-right: 15px;
}

.cases__item-icon {
    color: var(--accent-primary);
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    transition: transform 0.4s ease;
}

/* Accordion Content Styling */
.cases__item-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.cases__item-body {
    padding-bottom: 25px;
    color: var(--text-secondary);
}

.cases__item-body p {
    margin-bottom: 20px;
    line-height: 1.7;
}

.cases__item-body ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cases__item-body ul li {
    position: relative;
    padding-left: 25px;
}

.cases__item-body ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

/* Active State */
.cases__item--active .cases__item-icon {
    transform: rotate(45deg);
}

.cases__item--active .cases__item-content {
    /* Set a max-height large enough to fit content */
    max-height: 500px; 
}
/* ====================
   CONTACT SECTION
   ==================== */
.contact {
    padding: 80px 0;
}

.contact__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background-color: var(--bg-secondary);
    padding: 50px;
    border-radius: 8px;
}

.contact__title {
    text-align: left;
}

.contact__description {
    color: var(--text-secondary);
    margin-top: 15px;
    margin-bottom: 30px;
}

.contact__placeholder img {
    width: 100%;
    border-radius: 8px;
    object-fit: cover;
}

.contact__form .form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--bg-main);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(142, 68, 173, 0.2);
}

/* Custom Checkbox */
.form-group--checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-group--checkbox input[type="checkbox"] {
    display: none;
}

.checkbox-label {
    color: var(--text-secondary);
    font-size: 14px;
    position: relative;
    padding-left: 30px;
    cursor: pointer;
}

.checkbox-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-color: var(--bg-main);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.checkbox-label::after {
    content: '✓';
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%) scale(0);
    color: var(--text-main);
    font-size: 16px;
    transition: transform 0.3s ease;
}

.form-group--checkbox input[type="checkbox"]:checked + .checkbox-label::before {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.form-group--checkbox input[type="checkbox"]:checked + .checkbox-label::after {
    transform: translateY(-50%) scale(1);
}

.contact__submit-btn {
    width: 100%;
    padding: 15px;
    background-color: var(--accent-primary);
    border: none;
    border-radius: 5px;
    color: var(--text-main);
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.contact__submit-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

/* Success Message */
.success-message {
    display: none; /* Hidden by default */
    text-align: center;
    padding: 40px;
    animation: fadeIn 0.5s ease;
}

.success-message__icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px auto;
    border-radius: 50%;
    background-color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.success-message__icon i {
    width: 40px;
    height: 40px;
    color: var(--text-main);
}
.success-message__title {
    font-size: 24px;
    margin-bottom: 10px;
}
.success-message__text {
    color: var(--text-secondary);
}


/* Responsive */
@media (max-width: 992px) {
    .contact__container {
        grid-template-columns: 1fr;
    }
    .contact__info {
        text-align: center;
    }
    .contact__title {
        text-align: center;
    }
    .contact__placeholder {
        max-width: 400px;
        margin: 0 auto;
    }
}

/* ====================
   COOKIE POP-UP
   ==================== */
.cookie-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px;
    z-index: 200;
    transform: translateY(100%);
    transition: transform 0.5s ease-in-out;
    display: none; /* Initially hidden, JS will manage visibility */
}

.cookie-popup--show {
    transform: translateY(0);
}

.cookie-popup__content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    max-width: var(--container-width);
    margin: 0 auto;
    flex-wrap: wrap;
}

.cookie-popup__text {
    color: var(--text-secondary);
    text-align: center;
}

.cookie-popup__text a {
    color: var(--accent-primary);
    text-decoration: underline;
}

.cookie-popup__button {
    background-color: var(--accent-primary);
    color: var(--text-main);
    border: none;
    padding: 10px 25px;
    border-radius: 5px;
    cursor: pointer;
    font-family: var(--font-heading);
    transition: background-color 0.3s ease;
    flex-shrink: 0;
}

.cookie-popup__button:hover {
    background-color: var(--accent-hover);
}
/* ====================
   POLICY PAGES STYLES
   ==================== */
.pages {
    padding: 60px 0;
}

.pages .container {
    max-width: 800px;
}

.pages h1 {
    font-size: 36px;
    margin-bottom: 30px;
}

.pages h2 {
    font-size: 24px;
    margin-top: 40px;
    margin-bottom: 20px;
}

.pages p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
}

.pages a {
    text-decoration: underline;
}

.pages ul, .pages ol {
    color: var(--text-secondary);
    padding-left: 20px;
    margin-bottom: 20px;
}

.pages li {
    margin-bottom: 10px;
}

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