/* Comprehensive Software Engineering Program Hero Section Styles */

/* Hero Section */
.program-hero {
    position: relative;
    min-height: 120vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 30%, #0f3460 60%, #533483 100%);
    z-index: 1; /* Lower than navigation menu */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #fff, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.6), transparent),
        radial-gradient(2px 2px at 160px 30px, #fff, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: sparkle 20s linear infinite;
}

@keyframes sparkle {
    from { transform: translateY(0px); }
    to { transform: translateY(-100px); }
}

.container {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 80vh;
}

.hero-text {
    color: white;
}

.program-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9em;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.program-badge i {
    color: #64b5f6;
}

.hero-title {
    font-size: 3.5em;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    background: linear-gradient(135deg, #64b5f6, #42a5f5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3em;
    line-height: 1.6;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

.program-highlights {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.highlight-item i {
    color: #64b5f6;
    font-size: 1.1em;
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1em;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, #64b5f6, #42a5f5);
    color: white;
    box-shadow: 0 4px 15px rgba(100, 181, 246, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #42a5f5, #64b5f6);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(100, 181, 246, 0.4);
    color: white;
    text-decoration: none;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    color: white;
    text-decoration: none;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-elements {
    position: relative;
    z-index: 5;
}

.code-snippet {
    background: rgba(0, 0, 0, 0.8);
    border-radius: 12px;
    padding: 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
    max-width: 400px;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px 12px 0 0;
}

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

.code-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ff5f56;
}

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

.code-dots span:nth-child(3) {
    background: #27ca3f;
}

.code-title {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9em;
    font-weight: 500;
}

.code-content {
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    line-height: 1.6;
}

.code-line {
    display: block;
    color: #e6e6e6;
    margin-bottom: 4px;
}

.keyword {
    color: #569cd6;
}

.string {
    color: #ce9178;
}

.function {
    color: #dcdcaa;
}

.number {
    color: #b5cea8;
}

/* Tech Icons */
.tech-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.tech-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: orbit 20s linear infinite;
}

.tech-icon i {
    font-size: 1.5em;
    color: #64b5f6;
}

.tech-icon:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.tech-icon:nth-child(2) {
    top: 20%;
    right: 10%;
    animation-delay: -3s;
}

.tech-icon:nth-child(3) {
    bottom: 30%;
    left: 5%;
    animation-delay: -6s;
}

.tech-icon:nth-child(4) {
    bottom: 10%;
    right: 20%;
    animation-delay: -9s;
}

.tech-icon:nth-child(5) {
    top: 50%;
    left: -10%;
    animation-delay: -12s;
}

.tech-icon:nth-child(6) {
    top: 60%;
    right: -5%;
    animation-delay: -15s;
}

@keyframes orbit {
    from { transform: rotate(0deg) translateX(30px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(30px) rotate(-360deg); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    z-index: 10;
}

.scroll-arrow {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    animation: bounce 2s infinite;
}

.scroll-arrow i {
    font-size: 1.2em;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.scroll-indicator span {
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Key Features Section */
.key-features {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5em;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 700;
}

.section-header p {
    font-size: 1.2em;
    color: #6c757d;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #64b5f6, #42a5f5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    box-shadow: 0 5px 15px rgba(100, 181, 246, 0.3);
}

.feature-icon i {
    font-size: 2em;
    color: white;
}

.feature-card h3 {
    font-size: 1.4em;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-card p {
    color: #6c757d;
    line-height: 1.6;
    font-size: 1em;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-title {
        font-size: 3em;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .program-hero {
        min-height: 100vh;
    }

    .hero-title {
        font-size: 2.5em;
    }

    .hero-subtitle {
        font-size: 1.1em;
    }

    .program-highlights {
        flex-direction: column;
        gap: 15px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .code-snippet {
        max-width: 300px;
    }

    .tech-icons {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .section-header h2 {
        font-size: 2em;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2em;
    }

    .hero-subtitle {
        font-size: 1em;
    }

    .btn-primary, .btn-secondary {
        padding: 12px 25px;
        font-size: 1em;
    }

    .code-snippet {
        max-width: 250px;
    }

    .code-content {
        padding: 15px;
        font-size: 0.8em;
    }
}