/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: #1a1a1a;
    background: #fafafa;
}

/* ===== HEADER ===== */
header {
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    color: white;
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

header p {
    font-size: 1.05em;
    opacity: 0.95;
    font-weight: 300;
}

/* ===== NAVIGATION ===== */
nav {
    background: #ffffff;
    padding: 12px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 90px;
    z-index: 99;
}

nav a {
    display: inline-block;
    color: #1a1a1a;
    text-decoration: none;
    margin: 0 25px;
    font-weight: 500;
    font-size: 0.95em;
    position: relative;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #ff6b35;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: #ff6b35;
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

/* ===== CONTAINER ===== */
container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== SECTION HERO ===== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
    margin: 40px 0;
    border-radius: 12px;
}

.hero h2 {
    font-size: 2.2em;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 1.15em;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== REVIEWS GRID ===== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
    margin: 60px 0;
}

/* ===== REVIEW CARD ===== */
.review-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.review-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.review-card-image {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.review-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.review-card:hover .review-card-image img {
    transform: scale(1.08);
}

.review-card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: #ff6b35;
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.review-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.review-card-category {
    font-size: 0.8em;
    color: #ff6b35;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.review-card-title {
    font-size: 1.3em;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
    line-height: 1.4;
}

.review-card-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.stars {
    color: #ff9900;
    font-size: 1.2em;
}

.rating-text {
    font-weight: 600;
    color: #1a1a1a;
}

.review-card-description {
    font-size: 0.95em;
    color: #555;
    margin-bottom: 20px;
    flex: 1;
    line-height: 1.6;
}

.review-card-price {
    font-size: 1.8em;
    font-weight: 700;
    color: #ff6b35;
    margin-bottom: 20px;
}

.review-card-button {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c5a 100%);
    color: white;
    padding: 14px 28px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-size: 0.95em;
}

.review-card-button:hover {
    background: linear-gradient(135deg, #ff5722 0%, #ff7043 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255, 107, 53, 0.3);
}

.review-card-button:active {
    transform: translateY(0);
}

/* ===== ARTICLE PAGE ===== */
article {
    background: white;
    border-radius: 12px;
    padding: 60px;
    margin: 40px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

article h1 {
    font-size: 2.2em;
    margin-bottom: 20px;
    color: #1a1a1a;
}

article h2 {
    font-size: 1.6em;
    margin: 40px 0 20px;
    color: #1a1a1a;
    border-bottom: 3px solid #ff6b35;
    padding-bottom: 10px;
}

article p {
    font-size: 1em;
    margin: 16px 0;
    line-height: 1.8;
    color: #333;
}

/* ===== ARTICLE HEADER ===== */
.article-header {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    margin-bottom: 50px;
    align-items: start;
}

.article-image {
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    position: sticky;
    top: 200px;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-meta {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.meta-label {
    font-size: 0.85em;
    color: #888;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.meta-value {
    font-size: 1.3em;
    font-weight: 700;
    color: #1a1a1a;
}

.rating-large {
    font-size: 2.5em;
    color: #ff9900;
    margin: 10px 0;
}

.price-badge {
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c5a 100%);
    color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-size: 1.8em;
    font-weight: 700;
}

.cta-button-primary {
    display: block;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c5a 100%);
    color: white;
    padding: 18px 32px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    text-align: center;
    transition: all 0.3s ease;
    font-size: 1.05em;
}

.cta-button-primary:hover {
    background: linear-gradient(135deg, #ff5722 0%, #ff7043 100%);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 107, 53, 0.3);
}

/* ===== SPECS TABLE ===== */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    background: #f5f7fa;
    padding: 30px;
    border-radius: 8px;
    margin: 30px 0;
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.spec-label {
    font-weight: 600;
    color: #ff6b35;
    font-size: 0.9em;
    text-transform: uppercase;
}

.spec-value {
    color: #333;
    font-size: 1.05em;
}

/* ===== PROS/CONS ===== */
.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 40px 0;
}

.pros, .cons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pros h3, .cons h3 {
    font-size: 1.3em;
    margin-bottom: 16px;
}

.pros h3 {
    color: #27ae60;
}

.cons h3 {
    color: #e74c3c;
}

.pros li {
    background: #e8f8f5;
    border-left: 4px solid #27ae60;
    padding: 12px 16px;
    border-radius: 4px;
    list-style: none;
    color: #1a1a1a;
}

.cons li {
    background: #fadbd8;
    border-left: 4px solid #e74c3c;
    padding: 12px 16px;
    border-radius: 4px;
    list-style: none;
    color: #1a1a1a;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 50px;
    border-radius: 12px;
    text-align: center;
    margin: 50px 0;
}

.cta-section h2 {
    color: white;
    border-bottom: none;
    margin-bottom: 20px;
}

.cta-section p {
    color: white;
    font-size: 1.1em;
    margin-bottom: 30px;
}

.cta-button-white {
    display: inline-block;
    background: white;
    color: #ff6b35;
    padding: 16px 40px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.05em;
    transition: all 0.3s ease;
}

.cta-button-white:hover {
    background: #f5f7fa;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* ===== FOOTER ===== */
footer {
    background: #1a1a1a;
    color: #aaa;
    padding: 40px 20px;
    text-align: center;
    margin-top: 80px;
}

footer p {
    color: #aaa;
    margin: 10px 0;
    font-size: 0.9em;
}

footer a {
    color: #ff6b35;
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: #ff8c5a;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8em;
    }
    
    nav a {
        margin: 0 12px;
        font-size: 0.85em;
    }
    
    .article-header {
        grid-template-columns: 1fr;
    }
    
    .article-image {
        position: static;
    }
    
    .pros-cons {
        grid-template-columns: 1fr;
    }
    
    article {
        padding: 30px 20px;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== UTILITIES ===== */
.text-center {
    text-align: center;
}

.mt-40 {
    margin-top: 40px;
}

.mb-40 {
    margin-bottom: 40px;
}

.highlight {
    color: #ff6b35;
    font-weight: 600;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.review-card {
    animation: fadeIn 0.6s ease-out;
}