/* =========================================
   INSTRUCTOR PAGE PREMIUM STYLES
   ========================================= */

/* --- Variables --- */
:root {
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: 1px solid rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --primary-gradient-text: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* --- Global Overrides for this page --- */
body {
    background-color: #f3f4f6;
    overflow-x: hidden;
}

/* --- Hero Section --- */
.instructor-hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    overflow: hidden;
    padding: 100px 20px;
    margin-bottom: 0;
}

/* Animated Background Shapes */
.hero-shapes circle {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 2;
}

.hero-bg-anim {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-blob {
    position: absolute;
    filter: blur(80px);
    z-index: 1;
    opacity: 0.6;
    animation: floatBlob 10s infinite alternate;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: #764ba2;
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: #667eea;
    animation-delay: -5s;
}

@keyframes floatBlob {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(50px, 50px) scale(1.1);
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    color: var(--white);
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 25px;
    color: #a5b4fc;
    animation: fadeInDown 0.8s ease-out;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 25px;
    background: linear-gradient(to right, #fff, #c7d2fe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-content p {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-cta-group {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.btn-glow {
    position: relative;
    background: var(--primary-gradient);
    color: white;
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    z-index: 1;
    overflow: hidden;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    z-index: -1;
    transition: opacity 0.3s ease;
    opacity: 0;
}

.btn-glow:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(118, 75, 162, 0.4);
}

.btn-glow:hover::before {
    opacity: 1;
}

.btn-glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

/* --- Stats Section (Floating) --- */
.stats-section {
    position: relative;
    margin-top: -80px;
    z-index: 20;
    padding: 0 20px;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 24px;
    padding: 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -15px;
    top: 20%;
    height: 60%;
    width: 1px;
    background: rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.section-head {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-head h2 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.section-head p {
    font-size: 1.15rem;
    color: var(--text-light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #667eea;
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    background: var(--primary-gradient);
    color: white;
    transform: rotate(5deg);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 0;
}

/* --- Steps Section --- */
.steps-section {
    padding: 100px 20px;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.steps-timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.steps-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    background: #e2e8f0;
    transform: translateX(-50%);
}

.step-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 80px;
    position: relative;
}

.step-item:last-child {
    margin-bottom: 0;
}

.step-content {
    width: 45%;
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #f1f5f9;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.step-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: #e2e8f0;
}

.step-img {
    width: 45%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    height: 300px;
}

.step-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.step-item:hover .step-img img {
    transform: scale(1.05);
}

.step-number {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    z-index: 5;
    box-shadow: 0 0 0 8px var(--white);
}

.step-item:nth-child(even) {
    flex-direction: row-reverse;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.step-content p {
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

/* --- Application Form Section --- */
.apply-section {
    padding: 120px 20px;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    position: relative;
    overflow: hidden;
}

.apply-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.glass-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 50px;
    border-radius: 30px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    color: var(--white);
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.form-header p {
    color: #cbd5e1;
}

.apply-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #e2e8f0;
    font-size: 0.95rem;
}

.form-input {
    width: 100%;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: #818cf8;
    outline: none;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.full-width {
    grid-column: span 2;
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: var(--white);
    color: var(--primary-color);
    font-weight: 800;
    font-size: 1.1rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    background: #f8fafc;
}

/* --- Placeholder for Footer Fix to ensure spacing --- */
#footer-placeholder {
    height: 20px;
}


/* --- Responsive Adjustments --- */
@media (max-width: 900px) {
    .instructor-hero {
        padding: 80px 20px;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .stats-container {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .stat-item:not(:last-child)::after {
        display: none;
    }

    .steps-timeline::before {
        left: 20px;
    }

    .step-item {
        flex-direction: column !important;
        align-items: flex-start;
        padding-left: 50px;
    }

    .step-content,
    .step-img {
        width: 100%;
        margin-bottom: 30px;
    }

    .step-number {
        left: 20px;
        top: 0;
        transform: translate(-50%, 0);
    }

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

    .full-width {
        grid-column: span 1;
    }

    .glass-form {
        padding: 30px 20px;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}