/* Fonts */
body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    overflow-x: hidden;
    padding-top: 90px;
}

/* Scroll Snap Logic - Optional: Can be removed if user dislikes "locking" scroll */
html {
    scroll-behavior: smooth;
}

/* Color Variables */
:root {
    /* Light Mode Palette */
    --bs-primary: #0a192f;
    /* Deep Navy */
    --bs-secondary: #003366;
    /* Lighter Navy */
    --bs-accent: #ffcc00;
    /* Gold/Yellow */
    --bs-body-bg: #f8f9fa;
    --bs-body-color: #0a192f;
    --bs-surface-bg: #ffffff;
    --bs-card-bg: #ffffff;
    --carousel-letterbox: #000000;
    --carousel-caption-bg: rgba(0, 0, 0, 0.7);
    --carousel-caption-color: #ffffff;
    --overlay-bg: rgba(2, 12, 27, 0.85);
    --bg-img-text-color: #ffffff;
    --btn-accent-text: #0a192f;
    --btn-accent-hover-bg: #ffd700;
    --pulse-color: rgba(255, 204, 0, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --navbar-bg: rgba(255, 255, 255, 0.9);
    --navbar-shadow: rgba(0, 0, 0, 0.1);
    --hover-shadow: rgba(0, 0, 0, 0.1);
    --bg-navy-bg: #0a192f;
    --bg-navy-text: #ffffff;
}

[data-bs-theme="dark"] {
    /* Dark Mode Palette */
    --bs-primary: #64ffda;
    /* Teal accent */
    --bs-secondary: #8892b0;
    --bs-accent: #64ffda;
    --bs-body-bg: #020c1b;
    /* Very Dark Navy */
    --bs-body-color: #ccd6f6;
    --bs-emphasis-color: #ffffff;
    --bs-surface-bg: #112240;
    --bs-card-bg: #112240;
    --bs-border-color: #233554;
    --text-muted: #8892b0 !important;
    --carousel-letterbox: #000000;
    --carousel-caption-bg: rgba(0, 0, 0, 0.8);
    --carousel-caption-color: #ccd6f6;
    --overlay-bg: rgba(2, 12, 27, 0.9);
    --bg-img-text-color: #ccd6f6;
    --btn-accent-text: #020c1b;
    --btn-accent-hover-bg: #7fffff;
    --pulse-color: rgba(100, 255, 218, 0.4);
    --glass-bg: rgba(17, 34, 64, 0.6);
    --glass-border: rgba(100, 255, 218, 0.2);
    --navbar-bg: rgba(10, 25, 47, 0.95);
    --navbar-shadow: rgba(0, 0, 0, 0.3);
    --hover-shadow: rgba(0, 0, 0, 0.4);
    --bg-navy-bg: #020c1b;
    --bg-navy-text: #ccd6f6;
}

[data-bs-theme="dark"] .text-muted {
    color: #8892b0 !important;
}

[data-bs-theme="dark"] .text-dark {
    color: #ccd6f6 !important;
}

[data-bs-theme="dark"] .card-header.bg-white {
    background-color: transparent !important;
    color: #ccd6f6 !important;
}

/* Theme-aware Utilities */
.bg-surface {
    background-color: var(--bs-surface-bg) !important;
}

.bg-card {
    background-color: var(--bs-card-bg) !important;
}

.text-theme {
    color: var(--bs-body-color) !important;
}

/* Full Screen Section Utility */
.fs-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    /* Offset for navbar */
    padding-bottom: 50px;
}

.non-fs-section {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    /* Offset for navbar */
    padding-bottom: 50px;
}

.footer-section {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    padding-bottom: 50px;
}

/* Training Carousel */
.training-carousel-img {
    height: 60vh;
    object-fit: contain;
    /* Keep aspect ratio, don't crop */
    background-color: var(--carousel-letterbox);
    /* Letterbox style if needed */
    border-radius: 10px;
}

.carousel-caption-custom {
    background: var(--carousel-caption-bg);
    padding: 15px;
    border-radius: 10px;
    position: absolute;
    bottom: 20px;
    left: 15%;
    right: 15%;
    color: var(--carousel-caption-color);
}

/* Background Image Utilities with Overlay */
.bg-img-section {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    /* background-attachment: fixed; */
    /* Parallax-like effect removed to fix Safari iPhone crash */
    position: relative;
    color: var(--bg-img-text-color);
    /* Ensure text is readable on dark overlay */
    z-index: 1;
}

/* Dark Overlay */
.bg-img-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-bg);
    /* Deep Navy Overlay */
    z-index: -1;
}

/* Specific Backgrounds */
.bg-hero {
    background-image: url('../img/bg/facebook_meta_3d_img.jpg');
}

.bg-problem {
    background-image: url('../img/bg/facebook_meta_whatsapp_3d_img.jpg');
}

.bg-solution {
    background-image: url('../img/bg/facebook_3d_img.jpg');
}

.bg-cta {
    background-image: url('../img/bg/facebook_share_love_like.jpg');
}

/* Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: transform 0.8s ease-out, opacity 0.8s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

/* Text Gradient */
.text-gradient {
    background: linear-gradient(45deg, #0a192f, #0056b3);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-img-section .text-gradient {
    background: linear-gradient(45deg, #ffffff, #64ffda);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-bs-theme="dark"] .text-gradient {
    background: linear-gradient(45deg, #64ffda, #00bfa5);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navbar */
.navbar-glass {
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px var(--navbar-shadow);
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

[data-bs-theme="dark"] .navbar-glass {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Cards */
.card {
    background-color: var(--bs-card-bg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--hover-shadow) !important;
}

/* Buttons */
.btn-accent {
    background-color: var(--bs-accent);
    color: var(--btn-accent-text);
    border: none;
    font-weight: 700;
}

.btn-accent:hover {
    background-color: var(--btn-accent-hover-bg);
    /* Lighter Gold */
    color: var(--btn-accent-text);
}

/* Animation Utilities */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 var(--pulse-color);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(255, 204, 0, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(255, 204, 0, 0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

.hover-scale {
    transition: transform 0.2s;
}

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

/* Glassmorphism */
.bg-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.bg-surface {
    background-color: var(--bs-surface-bg);
}

.text-accent {
    color: var(--bs-accent);
}

.bg-navy {
    background-color: var(--bg-navy-bg) !important;
    color: var(--bg-navy-text);
}