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

:root {
    --primary-color: #667eea;
    --primary-dark: #5568d3;
    --secondary-color: #764ba2;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --text-dark: #333;
    --text-light: #666;
    --text-lighter: #999;
    --bg-light: #f5f5f5;
    --white: #ffffff;
    --border: #ddd;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.2);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
}

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

/* Navigation */
.navbar-landing {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h1 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.btn-nav {
    padding: 8px 20px;
    border-radius: 5px;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-nav:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-nav-primary {
    padding: 8px 20px;
    border-radius: 5px;
    background: var(--primary-color);
    color: var(--white);
}

.btn-nav-primary:hover {
    background: var(--primary-dark);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 100px 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

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

.btn {
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary-large {
    background: var(--white);
    color: var(--primary-color);
    padding: 15px 40px;
    font-size: 1.1rem;
    box-shadow: var(--shadow);
}

.btn-primary-large:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary-large {
    background: rgba(255,255,255,0.2);
    color: var(--white);
    padding: 15px 40px;
    font-size: 1.1rem;
    border: 2px solid var(--white);
}

.btn-secondary-large:hover {
    background: var(--white);
    color: var(--primary-color);
}

.btn-secondary-outline {
    background: transparent;
    color: var(--white);
    padding: 15px 40px;
    font-size: 1.1rem;
    border: 2px solid var(--white);
}

.btn-secondary-outline:hover {
    background: var(--white);
    color: var(--primary-color);
}

.hero-image {
    display: flex;
    justify-content: center;
}

.video-placeholder {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 16/9;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.2);
    position: relative;
    overflow: hidden;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    z-index: 2;
    cursor: pointer;
    transition: 0.3s;
}

.play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.video-frame {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102,126,234,0.3), rgba(118,75,162,0.3));
}

/* Features Section */
.features {
    padding: 100px 20px;
    background: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 20px;
    background: var(--bg-light);
}

.steps {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 60px;
}

.step {
    text-align: center;
    max-width: 200px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.step p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: bold;
}

/* CTA Section */
.cta {
    padding: 100px 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
}

.footer-section h4 {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-section p {
    color: var(--text-lighter);
    line-height: 1.8;
}

.footer-section a {
    display: block;
    color: var(--text-lighter);
    text-decoration: none;
    margin-bottom: 10px;
    transition: 0.3s;
}

.footer-section a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--text-lighter);
}

/* Interview Browse Page */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 60px 20px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.95;
}

.interviews-section {
    padding: 60px 20px;
    min-height: 60vh;
}

.search-bar {
    max-width: 600px;
    margin: 0 auto 40px;
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 1rem;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.interviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.interview-card {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: 0.3s;
    border: 2px solid transparent;
}

.interview-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.interview-card h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.interview-card p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.6;
}

.interview-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.meta-badge {
    padding: 5px 12px;
    background: var(--bg-light);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.interview-card .btn {
    width: 100%;
    text-align: center;
    background: var(--primary-color);
    color: var(--white);
}

.interview-card .btn:hover {
    background: var(--primary-dark);
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-lighter);
}

.empty-state-icon {
    font-size: 5rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.8rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

/* Public Interview Page */
.interview-header {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin-bottom: 40px;
}

.interview-title {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.interview-description {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.interview-info {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
}

.info-icon {
    font-size: 1.2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        transition: 0.3s;
        align-items: flex-start;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 60px 20px;
        text-align: center;
    }

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

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

    .hero-buttons {
        justify-content: center;
    }

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

    .steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .cta h2 {
        font-size: 2rem;
    }

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

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

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

    .btn-primary-large,
    .btn-secondary-large,
    .btn-secondary-outline {
        padding: 12px 30px;
        font-size: 1rem;
    }
}