/* viking-fitness-frontend/css/styleVF.css */

/*------------------------------------*\
    $ROOT VARIABLES & GLOBAL RESETS
\*------------------------------------*/
:root {
    --color-black-deep: #0A0A0A; /* Deepest black for primary background */
    --color-black-panel: #141414; /* Slightly lighter for panels, cards */
    --color-dark-grey-accent: #222222; /* For borders, subtle accents */
    --color-white: #FFFFFF;
    --color-light-grey-text: #E0E0E0; /* Main text on dark backgrounds */
    --color-medium-grey-text: #A0A0A0; /* Secondary text, placeholders */
    --color-green-primary: #00FF41; /* Main vibrant green accent */
    --color-green-hover: #00D637;   /* Slightly darker green for hover */
    --color-green-darker: #00B32E; /* For deeper green elements if needed */
    --color-error-red: #FF4D4D;    /* For error messages */

    --font-heading: 'Montserrat', sans-serif; /* Strong, modern */
    --font-body: 'Roboto', sans-serif;      /* Clean, readable */

    --transition-main: 0.3s ease-in-out;
    --transition-fast: 0.2s ease-in-out;
    --section-padding-value: clamp(60px, 8vw, 100px); /* Responsive padding */
    --container-max-width: 1200px;
    --border-radius-main: 6px;
    --box-shadow-light: 0 4px 15px rgba(0, 0, 0, 0.2);
    --box-shadow-green: 0 4px 20px rgba(0, 255, 65, 0.25);
}

/* Basic Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-black-deep);
    color: var(--color-light-grey-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 90%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-left: 15px; /* Gutters */
    padding-right: 15px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: var(--color-green-primary);
    transition: color var(--transition-fast);
}
a:hover, a:focus {
    color: var(--color-green-hover);
}

/*------------------------------------*\
    $TYPOGRAPHY
\*------------------------------------*/
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.25;
    margin-bottom: 0.75em; /* Based on element's font size */
}
.main-headline {
    font-size: clamp(2.5rem, 7vw, 4.8rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0px 3px 12px rgba(0, 0, 0, 0.6);
}
.sub-headline {
    font-size: clamp(1.1rem, 3vw, 1.6rem);
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-light-grey-text);
    opacity: 0.85;
    font-weight: 400; /* Roboto normal */
    line-height: 1.6;
}
.section-title {
    font-size: clamp(2rem, 5.5vw, 3.5rem);
    text-align: center;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 20px;
    margin-bottom: 25px;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px; /* Shorter, thicker for impact */
    height: 5px;
    background-color: var(--color-green-primary);
    border-radius: 3px;
    box-shadow: var(--box-shadow-green);
}
.section-subtitle {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px auto;
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    color: var(--color-medium-grey-text);
    line-height: 1.8;
}
.green-highlight {
    color: var(--color-green-primary);
    font-weight: inherit; /* Inherit from parent h-tag */
}

/*------------------------------------*\
    $BUTTONS & CTAS
\*------------------------------------*/
.cta-button {
    display: inline-block;
    padding: 15px 35px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem; /* Base size */
    text-decoration: none;
    text-align: center;
    text-transform: uppercase;
    border-radius: var(--border-radius-main);
    transition: all var(--transition-fast);
    cursor: pointer;
    letter-spacing: 0.8px;
    border: 2px solid transparent; /* For secondary hover */
    line-height: 1.3; /* Ensure text vertical align */
}
.primary-cta {
    background-color: var(--color-green-primary);
    color: var(--color-black-deep);
    box-shadow: var(--box-shadow-green);
}
.primary-cta:hover, .primary-cta:focus {
    background-color: var(--color-green-hover);
    color: var(--color-black-deep); /* Keep text color on hover */
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 255, 65, 0.35);
}
.secondary-cta {
    background-color: transparent;
    color: var(--color-green-primary);
    border-color: var(--color-green-primary);
}
.secondary-cta:hover, .secondary-cta:focus {
    background-color: var(--color-green-primary);
    color: var(--color-black-deep);
    box-shadow: var(--box-shadow-green);
}
.cta-button .arrow {
    margin-left: 10px;
    transition: transform 0.2s ease-out;
    display: inline-block;
}
.cta-button:hover .arrow {
    transform: translateX(6px);
}
.large-cta {
    padding: 18px 45px;
    font-size: 1.15rem;
}
.centered-cta {
    display: block;
    width: fit-content;
    margin: 40px auto 0 auto;
}

/*------------------------------------*\
    $HEADER & NAVIGATION
\*------------------------------------*/
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background-color: transparent;
    transition: background-color var(--transition-main), padding var(--transition-main), box-shadow var(--transition-main);
}
#main-header.scrolled {
    background-color: rgba(10, 10, 10, 0.9); /* Darker, slightly transparent */
    backdrop-filter: blur(8px);
    padding: 15px 0;
    box-shadow: 0 3px 15px rgba(0,0,0,0.4);
}
#main-header .container { /* Header uses .container directly */
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#logo {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 2rem;
    color: var(--color-white);
    text-shadow: 0 0 5px var(--color-green-primary); /* Subtle Viking glow */
}
#main-header nav ul {
    list-style: none;
    display: flex;
    align-items: center;
}
#main-header nav ul li {
    margin-left: clamp(20px, 3vw, 35px);
}
#main-header nav ul li a {
    color: var(--color-light-grey-text);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    padding-bottom: 8px; /* Space for underline */
    position: relative;
}
#main-header nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-green-primary);
    transition: width var(--transition-fast);
}
#main-header nav ul li a:hover,
#main-header nav ul li a.active {
    color: var(--color-green-primary);
}
#main-header nav ul li a:hover::after,
#main-header nav ul li a.active::after {
    width: 100%;
}
#main-header .cta-nav {
    background-color: var(--color-green-primary);
    color: var(--color-black-deep) !important;
    padding: 10px 20px;
    border-radius: var(--border-radius-main);
    box-shadow: var(--box-shadow-green);
}
#main-header .cta-nav:hover {
    background-color: var(--color-green-hover);
    transform: translateY(-2px);
}
#main-header .cta-nav::after { display:none !important; }

/* Mobile Menu */
#mobile-menu-toggle {
    display: none;
    background: none; border: none; cursor: pointer; z-index: 1005;
    padding: 8px;
    position: relative; /* For absolute positioning of children if needed */
    width: 35px; height: 35px; /* Ensure clickable area */
}
#mobile-menu-toggle span {
    display: block; width: 25px; height: 3px;
    background-color: var(--color-white); margin: 5px auto;
    transition: all var(--transition-main); border-radius: 2px;
}
#mobile-menu {
    display: none; position: fixed; top: 0; left: 0;
    width: 100%; height: 100%; /* Fullscreen */
    background-color: var(--color-black-panel); /* Slightly less deep black */
    z-index: 1000;
    flex-direction: column; align-items: center; justify-content: center;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}
#mobile-menu.active {
    display: flex;
    transform: translateX(0%);
}
#mobile-menu ul { list-style: none; text-align: center; }
#mobile-menu ul li { margin: 20px 0; }
#mobile-menu ul li a {
    color: var(--color-white); font-size: 1.6rem;
    font-weight: 700; padding: 15px; display: block;
}
#mobile-menu ul li a.cta-nav {
    background-color: var(--color-green-primary);
    color: var(--color-black-deep);
    padding: 12px 30px;
    border-radius: var(--border-radius-main);
    font-size: 1.4rem;
}
#mobile-menu-toggle.active-burger span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
#mobile-menu-toggle.active-burger span:nth-child(2) { opacity: 0; }
#mobile-menu-toggle.active-burger span:nth-child(3) { transform: rotate(-45deg) translate(7px, -6px); }

/*------------------------------------*\
    $SECTIONS & LAYOUT
\*------------------------------------*/
.section-padding {
    padding-top: var(--section-padding-value);
    padding-bottom: var(--section-padding-value);
}
.dark-bg { background-color: var(--color-black-panel); }
.light-bg-vfa { background-color: #1e1e1e; } /* Slightly lighter than panel for variety */
.text-center { text-align: center; }

/* Hero (#hero-vfa) */
#hero-vfa {
    min-height: 100vh; /* Min height for smaller screens */
    height: 100vh; /* Full viewport height */
    max-height: 800px; /* Prevent excessively tall hero on large desktops */
    position: relative; display: flex; align-items: center; justify-content: center;
    text-align: center; color: var(--color-white); overflow: hidden;
}
.hero-background-image { /* Applied via inline style in HTML for specific image */
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover; background-position: center center; z-index: -2;
}
.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.8) 100%);
    z-index: -1;
}
.hero-content { position: relative; z-index: 1; padding-bottom: 5vh; /* Push content up slightly */ }
.hero-cta { margin-top: 30px; }
.hero-usp {
    margin-top: 45px; font-size: 0.9rem; text-transform: uppercase;
    letter-spacing: 1px; color: var(--color-light-grey-text); opacity: 0.8;
}
.hero-usp span { margin: 0 12px; }

/* Trusted By (#trusted-by-vfa) */
#trusted-by-vfa {
    background-color: var(--color-dark-grey-accent);
    padding: 30px 0;
    text-align: center;
}
#trusted-by-vfa .container {
    display: flex; justify-content: space-around; align-items: center; flex-wrap: wrap;
}
#trusted-by-vfa span {
    margin-right: 25px; font-weight: 700;
    color: var(--color-medium-grey-text); text-transform: uppercase; font-size: 0.85rem;
    margin-bottom: 10px; /* For mobile stacking */
}
.partner-logo {
    height: 35px; /* Adjust as needed */
    margin: 10px 15px;
    filter: grayscale(100%) brightness(2.5) opacity(0.7); /* Make them white/grey on dark bg */
    transition: var(--transition-fast);
}
.partner-logo:hover {
    filter: grayscale(0%) brightness(1) opacity(1);
}

/* Programs (#programs-vfa) & Sagas (#sagas-vfa) Grids */
.programs-grid, .sagas-grid, .chieftains-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: clamp(20px, 4vw, 40px); /* Responsive gap */
    margin-top: 50px;
}
.program-card, .saga-card, .chieftain-card {
    background-color: var(--color-black-panel);
    padding: clamp(20px, 3vw, 30px);
    border-radius: var(--border-radius-main);
    border: 1px solid var(--color-dark-grey-accent);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    display: flex;
    flex-direction: column; /* For button alignment */
}
.program-card:hover, .saga-card:hover, .chieftain-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5), 0 0 15px var(--color-green-primary);
}
.program-icon {
    width: 50px; height: 50px; background-color: var(--color-green-primary);
    border-radius: 50%; margin: 0 auto 20px auto;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; color: var(--color-black-deep); font-weight: bold;
    /* TODO: Use actual icons (SVG, Font Icon) instead of text/emoji */
}
.default-viking-icon::before { content: "🛡️"; /* Placeholder */ }
.berserker-icon::before { content: "斧"; } /* Placeholder Axe */
.shieldmaiden-icon::before { content: "⚔️"; } /* Placeholder Swords */
.vanguard-icon::before { content: "⛰️"; } /* Placeholder Mountain for endurance */
.nutrition-icon::before { content: "🍖"; } /* Placeholder Meat for sustenance */

.program-card h3, .chieftain-card h3 {
    font-size: clamp(1.3rem, 2.5vw, 1.6rem); margin-bottom: 15px;
}
.program-card p, .saga-card p, .chieftain-card p {
    font-size: 0.95rem; color: var(--color-medium-grey-text);
    margin-bottom: 20px; flex-grow: 1; /* Pushes button to bottom in program cards */
}
.chieftain-specialty {
    font-weight: 700;
    color: var(--color-green-primary) !important; /* Override general p */
    margin-bottom: 10px !important;
}
.chieftain-img {
    width: 150px; height: 150px; border-radius: 50%;
    margin: 0 auto 20px auto; object-fit: cover;
    border: 3px solid var(--color-green-primary);
    box-shadow: 0 0 15px var(--color-green-primary);
}

/* Saga Card Specifics */
.saga-image-placeholder, .saga-image-comparison {
    width: 100%; height: 220px; background-color: var(--color-dark-grey-accent);
    display: flex; align-items: center; justify-content: center;
    color: var(--color-medium-grey-text); font-weight: 700;
    margin-bottom: 20px; border-radius: var(--border-radius-main);
}
.saga-image-comparison img {
    width: 48%; height: 100%; object-fit: cover; border-radius: 4px;
}
.video-testimonial { text-align: center; }
.video-play-button {
    width: 70px; height: 70px; background-color: rgba(0, 255, 65, 0.8);
    color: var(--color-black-deep); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; cursor: pointer; transition: transform var(--transition-fast), background-color var(--transition-fast);
    box-shadow: var(--box-shadow-green);
}
.video-play-button:hover { transform: scale(1.1); background-color: var(--color-green-primary); }
.saga-card h4 { font-size: 1.25rem; margin-bottom: 10px; color: var(--color-white); }
.saga-card p i { /* For transformation summary */ font-style: normal; color: var(--color-light-grey-text); }
.stars { color: var(--color-green-primary); font-size: 1.3rem; }

/* Quiz CTA (#quiz-cta-vfa) */
#quiz-cta-vfa {
    background: var(--color-black-panel) url('assets/images/viking-runes-bg.png') repeat; /* Subtle rune texture */
    background-blend-mode: overlay;
}

/* Armory (#armory-vfa) & Chieftains styling is basic, can be expanded with cards like programs */
#armory-vfa .armory-grid, #chieftains-vfa .chieftains-grid {
    /* Similar to programs-grid if using cards */
    margin-top: 40px;
    color: var(--color-medium-grey-text); /* For placeholder text */
}

/* Contact Section (#contact-vfa) & Forms */
.vfa-form {
    max-width: 700px; margin: 40px auto 0 auto;
    background-color: rgba(0,0,0,0.2); /* More subtle than panel black */
    padding: clamp(25px, 4vw, 40px);
    border-radius: var(--border-radius-main);
    border: 1px solid var(--color-dark-grey-accent);
}
.form-group-vfa { margin-bottom: 25px; }
.form-group-vfa input[type="text"],
.form-group-vfa input[type="email"],
.form-group-vfa textarea {
    width: 100%; padding: 15px;
    background-color: var(--color-black-panel);
    border: 1px solid var(--color-dark-grey-accent);
    color: var(--color-light-grey-text);
    border-radius: 4px;
    font-family: var(--font-body); font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-group-vfa input[type="text"]:focus,
.form-group-vfa input[type="email"]:focus,
.form-group-vfa textarea:focus {
    outline: none;
    border-color: var(--color-green-primary);
    box-shadow: 0 0 8px var(--color-green-primary);
}
.form-group-vfa textarea { resize: vertical; min-height: 120px; }
.vfa-form button[type="submit"] { width: 100%; font-size: 1.1rem; padding: 18px; }
.form-status-vfa {
    margin-top: 15px; padding: 12px; border-radius: 4px;
    text-align: center; font-size: 0.95rem; font-weight: 700;
    display: none; /* Shown by JS */
}
.form-status-vfa.small-status { font-size: 0.85rem; padding: 8px; margin-top: 10px; }

/* Footer (#main-footer-vfa) */
#main-footer-vfa {
    background-color: var(--color-black-deep); /* Deepest black */
    border-top: 2px solid var(--color-dark-grey-accent);
}
.footer-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px; margin-bottom: 40px;
}
.footer-column h4 {
    color: var(--color-green-primary); margin-bottom: 20px;
    text-transform: uppercase; font-size: 1rem; letter-spacing: 0.8px;
}
#footer-logo-vfa { font-size: 1.8rem; text-shadow: 0 0 5px var(--color-green-primary); }
.footer-column ul { list-style: none; }
.footer-column ul li { margin-bottom: 12px; }
.footer-column ul li a, .footer-column p { color: var(--color-medium-grey-text); font-size: 0.9rem; }
.footer-column ul li a:hover { color: var(--color-white); }
.footer-column p { margin-bottom: 10px; }
#newsletter-form-vfa-main input[type="email"] { margin-bottom: 12px; }
#newsletter-form-vfa-main button { width: 100%; }
.copyright {
    text-align: center; padding-top: 30px;
    border-top: 1px solid var(--color-dark-grey-accent);
    font-size: 0.85rem; color: var(--color-medium-grey-text);
}

/* Modal (#quiz-modal) */
.modal {
    display: none; position: fixed; z-index: 1001;
    left: 0; top: 0; width: 100%; height: 100%;
    overflow: auto; background-color: rgba(0,0,0,0.85); /* Darker overlay */
    align-items: center; justify-content: center;
}
.modal.active { display: flex; } /* JS adds this */
.modal-content {
    background-color: var(--color-black-panel);
    margin: auto; padding: clamp(25px, 5vw, 40px);
    border: 1px solid var(--color-dark-grey-accent);
    width: 90%; max-width: 650px;
    border-radius: var(--border-radius-main); position: relative;
    color: var(--color-light-grey-text);
    animation: modalOpenVFA 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}
@keyframes modalOpenVFA {
    from { transform: translateY(-60px) scale(0.95); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}
.close-modal {
    color: var(--color-medium-grey-text); position: absolute;
    top: 15px; right: 20px; font-size: 30px; font-weight: bold;
    cursor: pointer; transition: color var(--transition-fast);
}
.close-modal:hover, .close-modal:focus { color: var(--color-white); }
#quiz-area h3 { color: var(--color-green-primary); margin-bottom: 25px; }
.quiz-options { margin-top: 20px; }
.quiz-option {
    display: block; width: 100%; max-width: 400px;
    margin: 15px auto; padding: 15px 20px;
    font-size: 1.05rem;
}
.quiz-result-text { font-size: 1.2rem; margin: 25px 0; line-height: 1.8; }
.quiz-result-text strong { color: var(--color-green-primary); }
.quiz-result-cta { margin-top: 25px; }

/* Reveal on Scroll Animations */
.program-card, .saga-card, .chieftain-card, .mistake-item { /* Ensure these are the classes on your elements */
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.program-card.revealed, .saga-card.revealed, .chieftain-card.revealed, .mistake-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Utility / Loading */
.loading-message, .error-message {
    display: block; width: 100%; text-align: center;
    padding: 40px 15px; font-size: 1.1rem;
    color: var(--color-medium-grey-text);
}
.error-message { color: var(--color-error-red); font-weight: bold; }


/*------------------------------------*\
    $RESPONSIVE STYLES
\*------------------------------------*/
@media (max-width: 992px) {
    /* Tablet adjustments if needed beyond flex/grid wrapping */
    .main-headline { font-size: clamp(2.5rem, 7vw, 3.8rem); }
    .section-title { font-size: clamp(2rem, 5.5vw, 3rem); }
}

@media (max-width: 768px) {
    #desktop-nav { display: none; }
    #main-header nav ul { display: none; } /* Hiding desktop nav items container */
    #mobile-menu-toggle { display: flex; } /* Show burger */

    .hero-usp span { display: block; margin: 8px 0; }
    #trusted-by-vfa .container { flex-direction: column; }
    #trusted-by-vfa span { margin-right: 0; margin-bottom: 15px; }
    .partner-logo { height: 30px; margin: 8px 10px; }

    .programs-grid, .sagas-grid, .chieftains-grid, .footer-grid {
        grid-template-columns: 1fr; /* Stack cards */
    }
    .footer-column { text-align: center; }
    .footer-column ul { padding-left: 0; }
    #newsletter-form-vfa-main { max-width: 320px; margin: 0 auto; }
    .vfa-form { padding: 20px; }
}

@media (max-width: 480px) {
    .main-headline { font-size: 2rem; }
    .sub-headline { font-size: 0.95rem; }
    .section-title { font-size: 1.6rem; }
    .section-subtitle { font-size: 0.9rem; margin-bottom: 40px;}
    .cta-button { padding: 12px 25px; font-size: 0.9rem; }
    .large-cta { padding: 15px 35px; font-size: 1rem; }
    #logo { font-size: 1.6rem; }
    #mobile-menu ul li a { font-size: 1.3rem; }
    .modal-content { width: 95%; padding: 20px; }
    #quiz-area h3 { font-size: 1.2rem; }
    .quiz-option { font-size: 0.9rem; padding: 12px 15px;}
}