/* --- Variables & Settings --- */
:root {
    /* Colors */
    --color-bg: #0B0C15;         /* Deep Dark Background */
    --color-surface: #151725;    /* Slightly lighter for cards/footer */
    --color-text-main: #E2E8F0;  /* Off-white text */
    --color-text-muted: #94A3B8; /* Gray text */
    
    --color-primary: #6C63FF;    /* Vibrant Purple/Blue */
    --color-primary-hover: #5a52d5;
    --color-accent: #00F5D4;     /* Cyber Mint */
    
    --color-border: #2D3748;
    
    /* Fonts */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Sizes */
    --header-height: 80px;
    --container-width: 1200px;
    --radius-md: 12px;
    --radius-sm: 8px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: --font-body;
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    font-family: var(--font-body);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s ease;
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: #fff;
    line-height: 1.2;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.btn--primary {
    background-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.btn--primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.4);
}

.btn--full {
    width: 100%;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(11, 12, 21, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 24px;
    color: #fff;
}

.logo__icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

/* Nav Desktop */
.nav__list {
    display: none; /* Mobile First: hidden by default */
}

@media (min-width: 992px) {
    .nav__list {
        display: flex;
        gap: 32px;
    }
}

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

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

.header__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header__actions .btn {
    display: none;
}

@media (min-width: 992px) {
    .header__actions .btn {
        display: inline-flex;
    }
}

/* Burger Button */
.burger-btn {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 8px;
}

@media (min-width: 992px) {
    .burger-btn {
        display: none;
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg);
    z-index: 1001;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu__container {
    text-align: center;
    width: 100%;
    padding: 20px;
}

.mobile-menu__close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-menu__link {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-surface);
    padding: 60px 0 30px;
    border-top: 1px solid var(--color-border);
    margin-top: auto; /* Push to bottom if content is short */
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

@media (min-width: 768px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer__grid {
        grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    }
}

.footer__desc {
    margin-top: 16px;
    color: var(--color-text-muted);
    font-size: 14px;
    max-width: 300px;
}

.footer__title {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

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

.footer__link {
    color: var(--color-text-muted);
    font-size: 14px;
}

.footer__link:hover {
    color: var(--color-accent);
}

.footer__contacts {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--color-text-muted);
    font-size: 14px;
}

.footer__icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.footer__bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 30px;
    text-align: center;
    font-size: 13px;
    color: var(--color-text-muted);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh; /* На весь екран */
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

/* Canvas Background */
.hero__canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.4; /* Щоб не заважав тексту */
}

.hero__container {
    position: relative;
    z-index: 1;
}

.hero__content {
    max-width: 650px;
}

/* Badge */
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(108, 99, 255, 0.1);
    border: 1px solid rgba(108, 99, 255, 0.3);
    border-radius: 20px;
    font-size: 14px;
    color: var(--color-accent);
    margin-bottom: 24px;
    font-weight: 500;
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-accent);
}

/* Typography */
.hero__title {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: 700;
}

.text-gradient {
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__description {
    font-size: 18px;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    line-height: 1.7;
}

/* Actions */
.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

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

.btn--outline:hover {
    border-color: var(--color-text-main);
    background: rgba(255, 255, 255, 0.05);
}

.hero__note {
    font-size: 12px;
    color: rgba(148, 163, 184, 0.5);
}

/* Responsive */
@media (min-width: 768px) {
    .hero__title {
        font-size: 56px;
    }
}

@media (min-width: 1024px) {
    .hero__title {
        font-size: 64px;
    }
}

/* --- General Section Styles --- */
.section {
    padding: 80px 0;
}

.section--darker {
    background-color: rgba(255, 255, 255, 0.02); /* Ледь помітна відмінність фону */
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 32px;
    margin-bottom: 16px;
    color: #fff;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 16px;
}

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

/* --- Features Grid --- */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    background-color: var(--color-surface);
    padding: 32px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-card__icon-box {
    width: 50px;
    height: 50px;
    background-color: rgba(108, 99, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.feature-card__title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #fff;
}

.feature-card__text {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* --- Blog Grid --- */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 50px;
}

@media (min-width: 768px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.blog-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.blog-card__image {
    height: 200px;
    background-color: #2D3748;
    position: relative;
    overflow: hidden;
}

.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-card__image img {
    transform: scale(1.05);
}

.blog-card__tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background-color: rgba(11, 12, 21, 0.8);
    color: var(--color-accent);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    backdrop-filter: blur(4px);
}

.blog-card__content {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-card__title {
    font-size: 20px;
    margin-bottom: 12px;
    line-height: 1.4;
    color: #fff;
}

.blog-card__excerpt {
    font-size: 15px;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    flex-grow: 1;
}

.blog-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 14px;
}

.blog-card__link:hover {
    color: var(--color-accent);
    gap: 12px; /* Анімація стрілки */
}

.section-footer {
    text-align: center;
}

/* --- Contact Section --- */
.contact-section {
    position: relative;
    background: linear-gradient(to bottom, var(--color-bg), #10121E);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: start;
}

@media (min-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr 1fr;
        gap: 80px;
    }
}

.contact-desc {
    font-size: 18px;
    color: var(--color-text-muted);
    margin-bottom: 30px;
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-weight: 500;
}

.benefit-icon {
    color: var(--color-accent);
}

/* --- Form Styles --- */
.contact-form-box {
    background-color: var(--color-surface);
    padding: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.form-title {
    font-size: 24px;
    margin-bottom: 24px;
    text-align: center;
    color: #fff;
}

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

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

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: #64748B;
    transition: color 0.3s ease;
}

.form-input {
    width: 100%;
    padding: 14px 16px 14px 48px; /* Padding left for icon */
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: var(--font-body);
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.2);
}

.form-input:focus + .input-icon, /* Check if icon is sibling */
.input-wrapper:focus-within .input-icon {
    color: var(--color-primary);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 24px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.form-checkbox input {
    margin-top: 4px;
    cursor: pointer;
}

.form-checkbox a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 40px 20px;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(0, 245, 212, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    margin: 0 auto 20px;
}

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

/* --- Cookie Popup --- */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    width: 90%;
    max-width: 600px;
    background-color: rgba(21, 23, 37, 0.95);
    border: 1px solid var(--color-primary);
    padding: 20px;
    border-radius: var(--radius-md);
    z-index: 2000;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(10px);
}

.cookie-popup.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.cookie-content p {
    font-size: 14px;
    color: #fff;
    flex: 1;
}

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

.btn--sm {
    padding: 8px 20px;
    font-size: 14px;
}

/* --- Policy Pages Styles (Standard Text Page) --- */
.pages {
    padding: 120px 0 60px;
}

.pages h1 {
    font-size: 36px;
    margin-bottom: 24px;
    color: #fff;
}

.pages h2 {
    font-size: 24px;
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--color-accent);
}

.pages p {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    line-height: 1.8;
}

.pages ul {
    list-style: disc;
    padding-left: 24px;
    margin-bottom: 24px;
    color: var(--color-text-muted);
}

.pages li {
    margin-bottom: 8px;
}

.pages strong {
    color: #fff;
}

.pages a {
    color: var(--color-primary);
    text-decoration: underline;
}