:root {
    --bg: #f9f7f2;
    --primary: #2d3e50;
    --accent: #ff6b6b;
    --secondary: #4ecdc4;
    --text: #1a1a1a;
    --white: #ffffff;
    --card-shadow: 10px 10px 0px rgba(45, 62, 80, 0.1);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    padding: 40px 0;
    border-bottom: 4px solid var(--primary);
    background: var(--white);
    margin-bottom: 60px;
}

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

.logo {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.logo span {
    color: var(--accent);
}

nav a {
    margin-left: 30px;
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
}

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

.hero {
    padding: 100px 0;
    text-align: center;
    background: var(--primary);
    color: var(--white);
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
    margin-bottom: 80px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 6px;
    background: var(--accent);
}

.section-block {
    margin-bottom: 100px;
}

.grid-featured {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 30px;
    padding-bottom: 40px;
}

.grid-featured .card-featured:first-child {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
}

.card-featured {
    background: var(--white);
    border: 3px solid var(--primary);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.card-featured:hover {
    transform: translate(-5px, -5px);
    box-shadow: 15px 15px 0px var(--accent);
}

.card-featured .card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 3px solid var(--primary);
}

.grid-featured .card-featured:first-child .card-image {
    height: 350px;
}

.card-featured .card-body {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-featured .category {
    display: inline-block;
    background: var(--secondary);
    color: var(--primary);
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
    width: fit-content;
}

.card-featured h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--primary);
    line-height: 1.3;
}

.grid-featured .card-featured:first-child h3 {
    font-size: 1.8rem;
}

.card-featured .excerpt {
    flex-grow: 1;
    margin-bottom: 15px;
    opacity: 0.8;
    font-size: 0.95rem;
    line-height: 1.6;
}

.card-featured .btn {
    text-decoration: none;
    color: var(--primary);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.85rem;
    border-bottom: 2px solid var(--accent);
    align-self: flex-start;
}

.grid-horizontal {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.card-horizontal {
    background: var(--white);
    border: 3px solid var(--primary);
    display: flex;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    overflow: hidden;
}

.card-horizontal:hover {
    transform: translate(-5px, -5px);
    box-shadow: 15px 15px 0px var(--secondary);
}

.card-horizontal:nth-child(even) {
    flex-direction: row-reverse;
}

.card-horizontal:nth-child(even):hover {
    transform: translate(5px, -5px);
    box-shadow: -15px 15px 0px var(--secondary);
}

.card-horizontal .card-image {
    width: 300px;
    min-width: 300px;
    height: 220px;
    object-fit: cover;
    border-bottom: 3px solid var(--primary);
}

.card-horizontal:nth-child(odd) .card-image {
    border-right: 3px solid var(--primary);
}

.card-horizontal:nth-child(even) .card-image {
    border-left: 3px solid var(--primary);
}

.card-horizontal .card-body {
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-horizontal .category {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
    width: fit-content;
}

.card-horizontal h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--primary);
}

.card-horizontal .excerpt {
    margin-bottom: 20px;
    opacity: 0.8;
    line-height: 1.7;
}

.card-horizontal .btn {
    text-decoration: none;
    color: var(--primary);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.85rem;
    border-bottom: 2px solid var(--accent);
    align-self: flex-start;
}

.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

.article-header {
    margin-bottom: 40px;
}

.article-category {
    color: var(--accent);
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.article-title {
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 30px;
}

.main-image {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border: 5px solid var(--primary);
    margin-bottom: 40px;
    box-shadow: var(--card-shadow);
}

.article-content section {
    margin-bottom: 40px;
}

.article-content h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    border-left: 8px solid var(--secondary);
    padding-left: 20px;
}

.explanation-text {
    font-size: 1.2rem;
    line-height: 1.8;
}

.example-box {
    background: #f0f4f8;
    border: 2px dashed var(--primary);
    padding: 30px;
    margin: 30px 0;
}

.article-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    margin: 40px 0;
}

footer {
    background: var(--primary);
    color: var(--white);
    padding: 60px 0;
    margin-top: 100px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    margin-left: 20px;
    opacity: 0.7;
}

.footer-links a:hover {
    opacity: 1;
}

.legal-content {
    max-width: 800px;
    margin: 80px auto;
    background: var(--white);
    padding: 60px;
    border: 3px solid var(--primary);
}

.legal-content h1 {
    margin-bottom: 40px;
    font-size: 2.5rem;
}

.accent-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: bold;
}

.accent-link:hover {
    text-decoration: underline;
}

.legal-content h2 {
    margin: 30px 0 15px;
    border-bottom: 2px solid var(--secondary);
    display: inline-block;
    padding-bottom: 5px;
}

.legal-content section {
    margin-bottom: 40px;
}

.legal-content ul {
    margin: 20px 0 20px 25px;
}

.legal-content li {
    margin-bottom: 10px;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form .form-group {
    display: flex;
    gap: 15px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 12px;
    border: 3px solid var(--primary);
    font-family: inherit;
    font-size: 1rem;
    background: var(--white);
    outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    box-shadow: 4px 4px 0px var(--accent);
}

.contact-form button {
    padding: 15px;
    background: var(--primary);
    color: white;
    border: none;
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
}

.contact-form button:hover {
    background: var(--accent);
    transform: translate(-3px, -3px);
    box-shadow: 6px 6px 0px var(--primary);
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-form .form-group {
        flex-direction: column;
    }

    .legal-content {
        padding: 30px 20px;
    }
}

.menu_btn {
    width: 40px;
    height: 40px;
    outline: 0;
    border: 0;
    background: none;
    display: none;
}

.menu_btn img {
    width: 100%;
    height: 100%;
    filter: invert(1);
}

@media (max-width: 768px) {
    header {
        position: relative;
        z-index: 99;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .article-title {
        font-size: 2rem;
    }

    .menu_btn {
        display: block;
    }

    nav {
        position: absolute;
        width: 100%;
        height: 100vh;
        background-color: #fff;
        top: 0;
        transform: translateY(-100%);
        left: 0;
        display: flex;
        flex-direction: column;
        gap: 3%;
        align-items: center;
        transition: .3s;
    }

    nav.active {
        top: 100%;
        transform: translateY(0);
    }

    nav a {
        margin: 0 10px;
    }

    .grid-featured {
        grid-template-columns: 1fr;
    }

    .grid-featured .card-featured:first-child {
        grid-column: auto;
        grid-row: auto;
    }

    .grid-featured .card-featured:first-child .card-image {
        height: 200px;
    }

    .grid-featured .card-featured:first-child h3 {
        font-size: 1.3rem;
    }

    .card-horizontal {
        flex-direction: column !important;
    }

    .card-horizontal .card-image {
        width: 100%;
        min-width: auto;
        height: 180px;
        border-right: none !important;
        border-left: none !important;
        border-bottom: 3px solid var(--primary);
    }

    .card-horizontal:nth-child(even):hover {
        transform: translate(-5px, -5px);
        box-shadow: 15px 15px 0px var(--secondary);
    }

    .section-title {
        font-size: 1.8rem;
    }
}