/* ============================================
   MHK TRAINING - Manchester Personal Trainer
   Template B: Service Showcase
   Palette: Steel blue with professional tones
   ============================================ */

/* CSS Variables */
:root {
    --color-primary: #2C5F7C;
    --color-secondary: #4A8EAF;
    --color-accent: #6BB8D9;
    --color-bg: #0A0C0E;
    --color-surface: #12151A;
    --color-elevated: #1A1E24;
    --color-text: #F8FAFB;
    --color-text-secondary: #D4D8DC;
    --color-text-dim: #9AA0A8;
    --color-text-muted: #646A72;
    --color-border: rgba(44, 95, 124, 0.2);
    --color-border-hover: rgba(44, 95, 124, 0.5);

    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Roboto', sans-serif;

    --radius: 4px;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

/* Page Loader */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.page-loader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-icon {
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.nav.scrolled {
    background: rgba(10, 12, 14, 0.95);
    backdrop-filter: blur(20px);
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.1em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    text-decoration: none;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--color-secondary);
}

.nav-cta {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    background: var(--color-primary);
    padding: 12px 28px;
    text-decoration: none;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--color-secondary);
}

.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?w=1920&q=80') center/cover;
    opacity: 0.2;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-bg) 0%, transparent 50%, var(--color-bg) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-secondary);
    padding: 8px 16px;
    background: rgba(44, 95, 124, 0.2);
    border: 1px solid var(--color-border);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(3.5rem, 12vw, 6rem);
    line-height: 0.95;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.hero-title span {
    display: block;
}

.hero-title .accent {
    color: var(--color-secondary);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    max-width: 500px;
}

.hero-location {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    right: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--color-secondary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text);
    background: var(--color-primary);
    padding: 16px 32px;
    border: none;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
}

.btn-primary.btn-large {
    padding: 18px 40px;
    font-size: 0.9rem;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text);
    background: transparent;
    padding: 16px 32px;
    border: 1px solid var(--color-border);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

/* Section Tags & Titles */
.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-secondary);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    line-height: 1.1;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.section-title em {
    font-style: normal;
    color: var(--color-secondary);
}

/* About Section */
.about {
    padding: 120px 0;
    background: var(--color-surface);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid var(--color-primary);
    opacity: 0.3;
}

.about-image img {
    width: 100%;
    display: block;
    position: relative;
    z-index: 1;
    filter: grayscale(100%);
    transition: var(--transition-slow);
}

.about-image:hover img {
    filter: grayscale(0%);
}

.about-text {
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.stat {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.stat-icon {
    color: var(--color-secondary);
    font-size: 0.6rem;
    margin-top: 6px;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1rem;
    color: var(--color-text);
}

/* Programs Section */
.programs {
    padding: 120px 0;
}

.programs-header {
    text-align: center;
    margin-bottom: 60px;
}

.programs-intro {
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.program-card {
    position: relative;
    padding: 40px 32px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.program-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-8px);
}

.program-card.featured {
    border-color: var(--color-secondary);
    background: linear-gradient(180deg, rgba(44, 95, 124, 0.1), var(--color-surface));
}

.card-badge {
    position: absolute;
    top: -12px;
    left: 32px;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-bg);
    background: var(--color-secondary);
    padding: 6px 16px;
}

.card-number {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--color-primary);
    opacity: 0.3;
    margin-bottom: 16px;
}

.program-card h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.program-card p {
    color: var(--color-text-dim);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.card-features {
    list-style: none;
}

.card-features li {
    position: relative;
    padding-left: 20px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.card-features li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-size: 0.5rem;
}

/* Process Section */
.process {
    padding: 100px 0;
    background: var(--color-surface);
}

.process-content {
    max-width: 800px;
    margin: 0 auto;
}

.process-steps {
    margin-top: 50px;
}

.step {
    display: flex;
    gap: 32px;
    padding: 32px 0;
    border-bottom: 1px solid var(--color-border);
}

.step:last-child {
    border-bottom: none;
}

.step-num {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--color-secondary);
    line-height: 1;
    min-width: 60px;
}

.step-content h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.step-content p {
    color: var(--color-text-dim);
    font-size: 0.95rem;
}

/* Results Section */
.results {
    padding: 120px 0;
}

.results-header {
    text-align: center;
    margin-bottom: 60px;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.result-item {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
}

.result-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: var(--transition-slow);
}

.result-item:hover img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.result-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 12, 14, 0.9), transparent);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition);
}

.result-item:hover .result-overlay {
    opacity: 1;
}

.result-overlay span {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-secondary);
}

/* Quote Section */
.quote-section {
    padding: 100px 0;
    background: var(--color-surface);
    text-align: center;
}

.quote-section blockquote {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.4;
    letter-spacing: 0.05em;
}

/* Testimonial */
.testimonial {
    padding: 100px 0;
    text-align: center;
}

.testimonial-content {
    max-width: 600px;
    margin: 0 auto;
}

.testimonial-quote {
    font-size: 1.3rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Contact Section */
.contact {
    padding: 120px 0;
    background: var(--color-surface);
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-title {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.contact-title em {
    font-style: normal;
    color: var(--color-secondary);
}

.contact-desc {
    color: var(--color-text-secondary);
    margin-bottom: 40px;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 50px;
    padding-top: 50px;
    border-top: 1px solid var(--color-border);
}

.info-item {
    text-align: center;
}

.info-label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.info-value {
    font-size: 1rem;
    color: var(--color-text);
}

/* Footer */
.footer {
    padding: 60px 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.3rem;
    letter-spacing: 0.15em;
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

.footer-copy {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 16px;
}

/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-surface);
        flex-direction: column;
        justify-content: center;
        gap: 32px;
        transition: var(--transition);
        border-left: 1px solid var(--color-border);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-mobile-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        min-height: auto;
        padding: 100px 24px 60px;
    }

    .hero-scroll {
        display: none;
    }

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

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

    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .step {
        flex-direction: column;
        gap: 16px;
    }

    .contact-info {
        flex-direction: column;
        gap: 24px;
    }

    .about,
    .programs,
    .results,
    .contact {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

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