/* =========================================
   AURA RESOURCES: PREMIUM CORPORATE THEME
   Industry: Oil, Gas & Mining
   Palette: Midnight Navy, Industrial Copper & Crisp Slate
========================================= */

/* 1. IMPORTS & VARIABLES */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
    /* PALETTE: Corporate Industrial Authority */
    --color-bg: #FFFFFF;          /* Pure White */
    --color-light-gray: #F4F5F7;  /* Soft Industrial Ash */
    --color-dark: #0A1128;        /* Midnight Navy (Trust, Depth, Corporate) */
    --color-dark-light: #182240;  /* Lighter Navy for depth */
    --color-accent: #C27A3E;      /* Industrial Copper / Bronze */
    --color-accent-hover: #A0622F;/* Darker Copper */
    --color-text: #47516B;        /* Slate / Readability */
    
    /* FONTS */
    --font-serif: 'Playfair Display', serif; /* Authority, Established */
    --font-sans: 'Inter', sans-serif;        /* Technical, Clean, Modern */
    
    /* SPACING */
    --spacing-section: 120px;
}

/* 2. GLOBAL RESET */
html, body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.8;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

a { text-decoration: none; transition: 0.3s ease; }
.font-serif { font-family: var(--font-serif); }
.letter-spacing-1 { letter-spacing: 1px; }
.letter-spacing-2 { letter-spacing: 2px; }

h1, h2, h3, h4, h5, .display-1, .display-2, .display-title {
    font-family: var(--font-serif);
    color: var(--color-dark);
    font-weight: 600;
    line-height: 1.15;
    overflow-wrap: break-word;
}

.display-1 { font-size: 4.5rem; letter-spacing: -1.5px; }
.display-2 { font-size: 3.5rem; letter-spacing: -1px; }
.display-title { font-size: 3rem; color: var(--color-dark); letter-spacing: -0.5px; }

.subheading {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--color-accent);
    display: block;
    margin-bottom: 1rem;
}

/* UTILITIES */
.text-accent { color: var(--color-accent) !important; }
.bg-accent { background-color: var(--color-accent) !important; }
.bg-dark { background-color: var(--color-dark) !important; }
.bg-light-gray { background-color: var(--color-light-gray) !important; }
.fst-italic { font-family: var(--font-serif); font-style: italic; font-weight: 400; }
.section-padding { padding: var(--spacing-section) 0; }
.link-accent { font-size: 0.8rem; text-transform: uppercase; font-weight: 600; color: var(--color-accent); letter-spacing: 1px;}
.link-accent:hover { color: var(--color-dark); }

/* 3. BUTTONS */
.btn-luxe {
    background-color: var(--color-dark);
    color: #fff;
    padding: 18px 40px;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border: 1px solid var(--color-dark);
    border-radius: 2px; /* Slight industrial edge */
    transition: all 0.4s ease;
    display: inline-block;
}

.btn-luxe:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(194, 122, 62, 0.3);
}

.btn-luxe-outline {
    background: transparent;
    color: var(--color-dark);
    border: 1px solid rgba(10, 17, 40, 0.3);
    padding: 18px 40px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: 0.4s;
    display: inline-block;
    border-radius: 2px;
}

.btn-luxe-outline:hover {
    border-color: var(--color-dark);
    background: var(--color-dark);
    color: #fff;
}

/* 4. NAVBAR */
.navbar {
    padding: 15px 0;
    transition: 0.4s;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
.navbar-brand {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -1px;
    color: var(--color-dark);
}
.nav-link {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-dark) !important;
    margin: 0 15px;
    font-weight: 600;
}
.nav-link:hover {
    color: var(--color-accent) !important;
}

/* 5. HERO SECTION */
.hero-section {
    min-height: 100vh;
    padding-top: 100px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background-color: var(--color-bg);
}

/* Replaced bubble with technical grid/gradient */
.hero-bg-accent {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(244,245,247,1) 0%, rgba(255,255,255,0) 100%);
    z-index: 1;
}

.hero-img-box {
    position: relative;
    z-index: 2;
}

.hero-img {
    width: 100%;
    height: 75vh;
    object-fit: cover;
    border-radius: 4px; 
    box-shadow: -20px 20px 0px rgba(10, 17, 40, 0.05);
}

/* 6. MARQUEE (CORPORATE TICKER) */
.marquee-section {
    border-top: 2px solid var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
}
.marquee-track {
    display: flex;
    white-space: nowrap;
    overflow: hidden;
}
.marquee-content {
    display: flex;
    align-items: center;
    animation: scroll 35s linear infinite;
    padding-left: 0;
}
.marquee-item {
    font-family: var(--font-sans);
    font-size: 0.9rem; 
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #fff;
    padding: 0 40px;
}
.separator {
    color: var(--color-accent);
    font-size: 0.7rem;
}
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}
.marquee-track:hover .marquee-content {
    animation-play-state: paused; /* Accessibility */
}

/* 7. PHILOSOPHY / COMMITMENT OVERLAP */
.overlap-img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 30px 60px rgba(10, 17, 40, 0.1);
}
.overlap-content {
    background: #fff;
    padding: 60px 50px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
    margin-top: -120px;
    position: relative;
    z-index: 2;
    border-top: 5px solid var(--color-accent);
    border-radius: 4px;
}

/* 8. CARDS (OPERATIONS) */
.class-card {
    background: #fff;
    padding: 50px 40px;
    border: 1px solid rgba(10, 17, 40, 0.05);
    border-top: 4px solid transparent;
    transition: 0.4s ease;
    height: 100%;
    border-radius: 4px;
}
.class-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(10, 17, 40, 0.08);
    border-top: 4px solid var(--color-dark);
}
.card-num {
    font-family: var(--font-serif);
    font-size: 4rem;
    color: rgba(194, 122, 62, 0.15); /* Faint Copper */
    line-height: 1;
    margin-bottom: 10px;
    font-weight: 700;
}

/* 9. PARALLAX */
.parallax-section {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    height: 55vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.parallax-overlay {
    background: linear-gradient(to right, rgba(10, 17, 40, 0.9), rgba(10, 17, 40, 0.5));
    position: absolute; inset: 0;
}

/* 10. LEADERSHIP */
.instructor-img-wrapper {
    overflow: hidden;
    margin-bottom: 25px;
    border-radius: 4px;
}
.instructor-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: 0.8s ease;
    filter: grayscale(100%) contrast(110%);
}
.instructor-card:hover .instructor-img {
    transform: scale(1.05);
    filter: grayscale(0%) contrast(100%);
}

/* 11. PARTNERSHIPS / PRICING */
.price-table {
    border: 1px solid rgba(10, 17, 40, 0.1);
    padding: 50px 40px;
    text-align: left;
    transition: 0.4s;
    background: #fff;
    border-radius: 4px;
}
.price-table.premium {
    background: var(--color-dark);
    color: #fff;
    border: none;
    transform: scale(1.06);
    position: relative;
    z-index: 2;
    box-shadow: 0 30px 60px rgba(10, 17, 40, 0.2);
}
.price {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 3.5rem;
    letter-spacing: -1px;
}

/* 12. LUXURY FORM (TARGETING USER'S EXACT HTML) */
.form-section {
    background-color: var(--color-bg);
}
.form-control-luxe {
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(10, 17, 40, 0.2);
    border-radius: 0;
    padding: 15px 0;
    font-family: var(--font-sans);
    color: var(--color-dark);
    font-size: 0.95rem;
    font-weight: 500;
    transition: 0.3s;
}
.form-control-luxe:focus {
    background: transparent;
    box-shadow: none;
    border-bottom: 2px solid var(--color-accent);
    color: var(--color-dark);
}
.form-control-luxe::placeholder {
    color: #A0A5B1;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}
.form-select-luxe {
    background-color: transparent;
    border: none;
    border-bottom: 1px solid rgba(10, 17, 40, 0.2);
    border-radius: 0;
    padding: 15px 0;
    color: #A0A5B1; /* Placeholder state color */
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
}
.form-select-luxe:focus {
    box-shadow: none;
    border-bottom: 2px solid var(--color-accent);
    color: var(--color-dark);
}
/* User's Original Validation Rules kept intact but color updated */
.form-control-luxe.is-invalid, 
.form-select-luxe.is-invalid {
    border-bottom-color: #dc3545 !important; 
    background-image: none !important; 
}
.invalid-feedback {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #dc3545;
    text-align: left;
    margin-top: 5px;
}

/* 13. FOOTER */
footer {
    background-color: #181818;
    color: rgba(255,255,255,0.7);
    padding-top: 100px;
    padding-bottom: 40px;
    font-size: 0.9rem;
}
footer h3 {
    margin-bottom: 20px !important;
    position: relative;
    display: block;
}
footer a { color: rgba(255,255,255,0.5); transition: 0.3s; }
footer a:hover { color: var(--color-accent); }
/* =========================================
   PREMIUM HERO SECTION CUSTOM CSS
========================================= */

/* Typography */
.display-fluid {
    font-size: clamp(3.5rem, 6vw, 6rem); /* Scales beautifully based on screen size */
}

/* Ambient Background Blurs */
.blur-effect {
    pointer-events: none; /* Ensures you can click links underneath the glow */
}

/* Image Wrapper & Hover Effects */
.shadow-2xl {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.hover-scale-img:hover {
    transform: scale(1.05); /* Slow elegant zoom on the image */
}

/* Gradient Overlay for the Image */
.bg-gradient-to-t {
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 50%);
    pointer-events: none;
}

/* Floating Glassmorphism Data Card */
.floating-data-card {
    bottom: -40px; 
    left: -50px; 
    width: 260px;
    background: rgba(15, 17, 26, 0.85); /* Deep luxury dark blue/black */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 10;
    animation: float-y 6s ease-in-out infinite; /* Continuous smooth float */
}

/* Pulsing Live Dot Animation */
.pulsing-dot {
    box-shadow: 0 0 0 0 rgba(194, 122, 62, 0.7); /* Match this to your text-accent color */
    animation: pulse-dot 2s infinite;
}

/* Link Hover */
.hover-text-accent:hover {
    color: var(--color-accent, #c27a3e) !important;
}

/* Keyframes */
@keyframes float-y {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes pulse-dot {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(194, 122, 62, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(194, 122, 62, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(194, 122, 62, 0); }
}

/* Responsive Fixes for the overlapping card on Mobile */
@media (max-width: 991px) {
    .floating-data-card {
        left: 20px;
        bottom: 20px;
        width: calc(100% - 40px);
        max-width: 300px;
    }
}
/* RESPONSIVE FIXES */
@media (max-width: 991px) {
    .display-1 { font-size: 3rem; }
    .display-2 { font-size: 2.5rem; }
    .hero-img { height: 50vh; box-shadow: none; margin-top: 40px; }
    .overlap-content { margin-top: -60px; padding: 40px 30px; }
    .price-table.premium { transform: scale(1); margin: 20px 0; border: 1px solid var(--color-dark); }
    .hero-section { padding-top: 120px; }
    .section-padding { padding: 80px 0px; }
}

@media (min-width: 768px) {
    .border-end-md { border-right: 1px solid rgba(0,0,0,0.05) !important; }
}