:root {
    /* Premium Dark Palette */
    --color-bg: #0f0f0f;
    --color-bg-secondary: #1a1a1a;
    --color-primary: #D4AF37;
    /* Gold */
    --color-primary-dark: #b8962e;
    --color-accent: #6d4c41;
    /* Deep Earthy Tone */
    --color-text: #f0f0f0;
    --color-text-muted: #aaaaaa;
    --color-white: #ffffff;
    --color-black: #000000;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 5rem;

    /* Border Radius */
    --radius: 4px;
    /* Sharper corners for luxury feel */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', sans-serif;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    /* Prevent horizontal scroll */
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    /* Double enforce */
    width: 100%;
    position: relative;
}

h1,
h2,
h3 {
    font-family: 'Playfair Display', serif;
    color: var(--color-primary);
    font-weight: 700;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Header */
.header {
    background: rgba(15, 15, 15, 0.95);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    backdrop-filter: blur(10px);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 60px;
    width: auto;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 12px;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

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

.btn-nav {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary) !important;
    padding: 8px 20px;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.btn-nav:hover {
    background: var(--color-primary);
    color: var(--color-black) !important;
}

/* Hero Section */
.hero {
    position: relative;
    height: 85vh;
    min-height: 600px;
    /* Darker overlay on the existing image or a new dark abstract background */
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.8)), url('hero.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
    line-height: 1.2;
}

.hero-title .brand-name {
    color: var(--color-primary);
}

.hero-desc {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: #cccccc;
    font-weight: 300;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 40px;
    border-radius: 50px;
    /* Pill shape */
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-black);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.btn-primary:hover {
    background: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--color-white);
    color: var(--color-white);
}

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

.btn-submit {
    width: 100%;
    background: linear-gradient(45deg, #25D366, #128C7E);
    color: white;
    font-size: 1.1rem;
    padding: 18px;
    border-radius: var(--radius);
    margin-top: var(--spacing-sm);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.2);
    font-weight: 700;
}

.btn-submit:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.btn-primary-outline {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

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

/* Sections General */
.section {
    padding: var(--spacing-lg) 0;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

/* Course Section */
.section-course {
    background-color: var(--color-bg);
}

.course-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.course-info {
    padding: var(--spacing-md);
}

.highlight-text {
    font-size: 1.4rem;
    color: var(--color-white);
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    border-right: 3px solid var(--color-primary);
    padding-right: 15px;
}

.course-details {
    list-style: none;
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.course-details li {
    background: var(--color-bg-secondary);
    padding: 10px 25px;
    border-radius: 4px;
    font-weight: 500;
    color: var(--color-primary);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.course-topics h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
    font-size: 1.5rem;
}

.course-topics ul {
    list-style: none;
}

.course-topics li {
    margin-bottom: 12px;
    position: relative;
    padding-right: 30px;
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

.course-topics li::before {
    content: '✦';
    color: var(--color-primary);
    font-size: 1.2rem;
    position: absolute;
    right: 0;
    top: 0;
}

/* Trainer Section */
.section-trainer {
    background-color: var(--color-bg-secondary);
}

.trainer-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    /* No card background, blend with section */
}

.trainer-img {
    flex: 1;
    position: relative;
}

.trainer-img img {
    width: 100%;
    max-height: 600px;
    object-fit: cover;
    border-radius: var(--radius);
    box-shadow: -20px 20px 0px rgba(212, 175, 55, 0.1);
    /* Stylized shadow */
}

.trainer-content {
    flex: 1;
    text-align: right;
}

.trainer-name {
    font-size: 2.5rem;
    color: var(--color-white);
    margin: 10px 0;
}

.trainer-role {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.trainer-bio {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--color-bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius);
    text-align: center;
    transition: transform 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-primary);
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 0 5px rgba(212, 175, 55, 0.5));
}

.feature-card h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--color-text-muted);
}

/* Free Meeting */
.section-free-meeting {
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('session.png');
    background-size: cover;
    background-attachment: fixed;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.meeting-box {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid rgba(212, 175, 55, 0.3);
    max-width: 800px;
    margin: 0 auto;
}

.meeting-box h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

/* Register Form */
.section-register {
    background: var(--color-bg);
}

.register-content {
    display: flex;
    gap: 0;
    /* Remove gap for seamless look */
    align-items: stretch;
    background: var(--color-bg-secondary);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.form-container {
    flex: 1;
    padding: var(--spacing-lg);
}

.register-image {
    flex: 1;
    background-image: url('randa_red.jpg');
    /* Use red image here */
    background-size: cover;
    background-position: center;
    min-height: 400px;
}

.form-group label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.form-group input {
    background: var(--color-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 16px;
    border-radius: 4px;
}

.form-group input:focus {
    border-color: var(--color-primary);
    box-shadow: none;
}

.form-group input::placeholder {
    color: #555;
}

/* Final CTA */
.final-cta {
    background: var(--color-bg);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.final-cta h2 {
    color: var(--color-white);
}

/* Footer */
.footer {
    background: #000;
    color: #555;
    padding: 30px 0;
    border-top: 1px solid #1a1a1a;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {

    /* Global Spacing Adjustments */
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
    }

    .container {
        width: 100%;
        padding: 0 20px;
        /* More breathing room */
        overflow: hidden;
        /* Prevent child overflow */
    }

    /* Header */
    .header .container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        width: 100%;
        justify-content: center;
        gap: 15px;
        flex-wrap: wrap;
        font-size: 0.9rem;
    }

    .btn-nav {
        padding: 6px 15px;
        font-size: 0.85rem;
    }

    /* Hero */
    .hero {
        height: 70vh;
        /* Reduced height for mobile */
        min-height: 500px;
        background-position: 65% center;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.3;
    }

    .hero-desc {
        font-size: 1rem;
        padding: 0 10px;
    }

    .btn {
        padding: 12px 30px;
        font-size: 0.95rem;
        width: 80%;
        /* Wider button on mobile */
    }

    /* Typography */
    .section-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-md);
    }

    .trainer-name {
        font-size: 2rem;
    }

    /* Layouts */
    .course-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .course-image {
        order: 1;
        margin-top: 20px;
    }

    /* Trainer Section */
    .trainer-wrapper {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .trainer-content {
        text-align: center;
        order: 2;
    }

    .trainer-img {
        order: 1;
        width: 100%;
        max-width: 350px;
        margin: 0 auto;
    }

    .trainer-img img {
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    }

    /* Register Form */
    .register-content {
        flex-direction: column;
        box-shadow: none;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .register-image {
        height: 200px;
        min-height: auto;
        flex: none;
        order: 1;
    }

    .form-container {
        padding: 20px;
        order: 2;
    }

    /* Misc */
    .logo img {
        height: 50px;
        padding: 6px 10px;
    }
}