/* Base Styles - News Portal Theme */
:root {
    --primary-blue: #5b8fd6;
    --secondary-red: #f26b6b;
    --accent: #dc2626;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;
    --card-bg: #ffffff;
    --gradient-bg: linear-gradient(180deg, rgba(91,143,214,0.06), rgba(242,107,107,0.02));
    --gradient-primary: linear-gradient(135deg, var(--primary-blue), var(--accent));
    --gradient-card: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--gradient-bg);
    overflow-x: hidden;
    min-height: 100vh;
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in-left {
    animation: fadeInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

.bounce-in {
    animation: bounceIn 1s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

/* Hero Section */
.hero {
    position: relative;
    height: 70vh;
    overflow: hidden;
    background: var(--gradient-primary);
}

.hero-slider {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    opacity: 0;
    transition: opacity 1s ease-in-out;
    text-align: center;
}

.slide.active {
    opacity: 1;
}

.slide:nth-child(1) {
    background: var(--gradient-primary);
}

.slide:nth-child(2) {
    background: linear-gradient(135deg, var(--primary-blue), #b91c1c);
}

.slide:nth-child(3) {
    background: linear-gradient(135deg, #5b8fd6, var(--accent));
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    font-weight: 700;
}

.hero p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 30px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    opacity: 0.9;
}

.btn {
    display: inline-block;
    background: var(--white);
    color: var(--primary-blue);
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(91, 143, 214, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:hover {
    background: var(--accent);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(91, 143, 214, 0.4);
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--white);
    transform: scale(1.2);
}

.slider-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transform: translateY(-50%);
}

.slider-nav button {
    background: rgba(255,255,255,0.2);
    border: none;
    color: var(--white);
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.3);
}

.slider-nav button:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: scale(1.1);
}

/* Portal Introduction */
.portal-intro {
    padding: 80px 0;
    background: var(--white);
    position: relative;
}

.portal-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.portal-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.portal-logo {
    flex: 0 0 250px;
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(91, 143, 214, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
    border: 2px solid #e2e8f0;
}

.portal-logo:hover {
    transform: rotate(-2deg) scale(1.03);
    box-shadow: 0 20px 40px rgba(91, 143, 214, 0.15);
    border-color: var(--primary-blue);
}

.logo-container {
    background: var(--gradient-primary);
    padding: 40px 20px;
    border-radius: 15px;
    margin-bottom: 15px;
}

.portal-icon {
    font-size: 4rem;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.portal-logo p {
    margin-top: 10px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.portal-text {
    flex: 1;
}

.portal-text h2 {
    font-size: 2.3rem;
    color: var(--text-dark);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.portal-text h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.portal-text p {
    margin-bottom: 25px;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--gradient-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.3rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-title p {
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(91, 143, 214, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #f1f5f9;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(91, 143, 214, 0.15);
    border-color: var(--primary-blue);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: inline-block;
}

.feature-card h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.3rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1rem;
}

/* PROGOTEE Showcase */
.progotee-showcase {
    padding: 80px 0;
    background: var(--white);
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.showcase-text h2 {
    font-size: 2.3rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.showcase-text h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.showcase-text p {
    color: var(--text-light);
    margin-bottom: 30px;
    font-size: 1.1rem;
    line-height: 1.7;
}

.portal-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 40px 0;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--gradient-bg);
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Portal Preview */
.portal-preview {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.portal-preview:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0);
}

.preview-header {
    background: var(--gradient-primary);
    padding: 15px 20px;
    display: flex;
    align-items: center;
}

.preview-dots {
    display: flex;
    gap: 8px;
}

.preview-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
}

.preview-dots span:nth-child(1) {
    background: #ff5f57;
}

.preview-dots span:nth-child(2) {
    background: #ffbd2e;
}

.preview-dots span:nth-child(3) {
    background: #28ca42;
}

.preview-content {
    padding: 25px;
}

.news-item {
    padding: 15px 0;
    border-bottom: 1px solid #e2e8f0;
}

.news-item:last-child {
    border-bottom: none;
}

.news-category {
    font-size: 0.8rem;
    color: var(--primary-blue);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 5px;
    letter-spacing: 0.5px;
}

.news-item h4 {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 500;
    line-height: 1.4;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    text-align: center;
    color: var(--white);
    position: relative;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.cta-2 {
    background: var(--gradient-primary);
}

.cta h2 {
    font-size: 2.3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.cta p {
    max-width: 700px;
    margin: 0 auto 35px;
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        height: 60vh;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .portal-content {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }
    
    .portal-logo {
        flex: 0 0 auto;
        width: 250px;
        margin: 0 auto;
    }
    
    .portal-text h2 {
        font-size: 1.8rem;
    }
    
    .portal-text h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .portal-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .showcase-text h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .portal-preview {
        transform: none;
        max-width: 400px;
        margin: 0 auto;
    }
}