/* ====================================
   PPID Mandailing Natal - Modern Design
   Ultra Modern, Glassmorphism, Smooth Animations
   ==================================== */

:root {
    /* Modern Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --primary-dark: #5568d3;
    --secondary-color: #f093fb;
    --accent-color: #feca57;
    --accent-gradient: linear-gradient(135deg, #feca57 0%, #f39c12 100%);

    /* Neutral Colors */
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --text-light: #a0aec0;
    --bg-primary: #f7fafc;
    --bg-secondary: #edf2f7;
    --white: #ffffff;

    /* Modern Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.3);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    background-attachment: fixed;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ====================================
   MODERN BANNER/HERO SECTION
   ==================================== */
.banner-container {
    position: relative;
    width: 100%;
    height: 700px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color) 0%, #764ba2 100%);
}

.banner-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.banner-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
}

.banner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7) saturate(1.2);
    transition: filter var(--transition-slow);
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
        rgba(102, 126, 234, 0.9) 0%,
        rgba(118, 75, 162, 0.85) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-content {
    text-align: center;
    color: var(--white);
    max-width: 1000px;
    padding: 40px;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.banner-content h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    font-family: 'Poppins', sans-serif;
}

.banner-content p {
    font-size: 1.4rem;
    margin-bottom: 40px;
    line-height: 1.8;
    font-weight: 400;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.banner-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

.btn-gold {
    background: var(--accent-gradient);
    color: var(--text-primary);
    padding: 16px 40px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 8px 25px rgba(254, 202, 87, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-gold::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.btn-gold:hover::before {
    left: 100%;
}

.btn-gold:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 35px rgba(254, 202, 87, 0.5);
}

.btn-outline-gold {
    background: transparent;
    color: var(--white);
    padding: 16px 40px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.1rem;
    border: 2px solid rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.btn-outline-gold:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--white);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(255, 255, 255, 0.2);
}

/* Banner Navigation */
.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-base);
    font-size: 20px;
}

.banner-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.banner-arrow-prev { left: 30px; }
.banner-arrow-next { right: 30px; }

.banner-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.dot.active {
    background: var(--accent-color);
    transform: scale(1.3);
    box-shadow: 0 0 20px rgba(254, 202, 87, 0.6);
}

.banner-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    z-index: 10;
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent-gradient);
    transition: width 5s linear;
    box-shadow: 0 0 15px rgba(254, 202, 87, 0.8);
}

/* ====================================
   MODERN SECTIONS
   ==================================== */
.features-section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Poppins', sans-serif;
    letter-spacing: -0.02em;
    position: relative;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 5px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    box-shadow: 0 4px 15px rgba(254, 202, 87, 0.4);
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 70px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    line-height: 1.8;
}

.section-bg-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #764ba2 100%);
    color: var(--white);
}

.section-bg-primary .section-title {
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-bg-primary .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.section-bg-light {
    background: transparent;
}

/* ====================================
   MODERN GLASS CARDS
   ==================================== */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--glass-shadow);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Stat Cards */
.stat-card {
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.9) 0%,
        rgba(255, 255, 255, 0.7) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    padding: 32px;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102,126,234,0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 25px 60px rgba(102, 126, 234, 0.25);
    border-color: rgba(102, 126, 234, 0.3);
}

.card-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 28px;
    margin: 0 auto 20px;
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    transition: all var(--transition-base);
}

.stat-card:hover .card-icon {
    transform: rotateY(360deg) scale(1.1);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-bottom: 12px;
    font-family: 'Poppins', sans-serif;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.stat-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ====================================
   NEWS SECTION - MODERN DESIGN
   ==================================== */
.news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.news-image {
    height: 240px;
    overflow: hidden;
    position: relative;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

/* ====================================
   BUTTONS - MODERN STYLE
   ==================================== */
.btn {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    border-radius: var(--radius-full);
    padding: 14px 32px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
    color: white;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-3px);
}

/* ====================================
   RESPONSIVE DESIGN
   ==================================== */
@media (max-width: 992px) {
    .banner-container {
        height: 550px;
    }

    .banner-content h1 {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .banner-container {
        height: 480px;
    }

    .banner-content h1 {
        font-size: 2.2rem;
    }

    .banner-content p {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .banner-arrow {
        width: 50px;
        height: 50px;
        font-size: 16px;
    }
}

@media (max-width: 576px) {
    .banner-container {
        height: 400px;
    }

    .banner-content h1 {
        font-size: 1.8rem;
    }

    .banner-content p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.9rem;
    }

    .features-section {
        padding: 60px 0;
    }

    .btn-gold,
    .btn-outline-gold {
        padding: 14px 28px;
        font-size: 1rem;
    }
}

/* ====================================
   SMOOTH ANIMATIONS
   ==================================== */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Selection Color */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}