/* ROOT VARIABLES */
:root {
    --color-primary: #1A1A1A;
    --color-accent: #FF8C00; /* Warm Orange */
    --color-olive: #556B2F; /* Olive Green */
    --color-sand: #F5F5DC; /* Beige/Sand */
    --color-bg: #FFFFFF;
    --color-text: #2D2D2D;
    --color-text-light: #666666;
    --color-white: #FFFFFF;
    --color-border: #E8E8E8;
    
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s ease;
    --radius: 12px;
    --container-width: 1200px;
}

/* BASE STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--color-text);
    line-height: 1.8;
    background-color: var(--color-bg);
}

p {
    margin-bottom: 1.5rem;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: 1.25rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* SPACING */
section {
    padding: 100px 0;
}

.text-center { text-align: center; }
.bg-sand { background-color: var(--color-sand); }
.bg-olive { background-color: var(--color-olive); color: var(--color-white); }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 2rem; }

/* BADGES & BUTTONS */
.badge {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 1.1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.btn:hover {
    transform: translateY(-3px);
    opacity: 0.9;
}

.btn-primary { background-color: var(--color-accent); color: var(--color-white); }
.btn-primary:hover { background-color: #e67e00; }
.btn-outline { background-color: transparent; border: 2px solid var(--color-white); color: var(--color-white); }
.btn-outline:hover { background-color: var(--color-white); color: var(--color-primary); }
.btn-dark { background-color: var(--color-primary); color: var(--color-white); }
.btn-dark:hover { background-color: #333; }

/* NAVBAR */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
    background-color: transparent;
    color: var(--color-white);
}

#navbar.scrolled, #navbar.subpage {
    background-color: var(--color-white);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    color: var(--color-primary);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
}

.logo span { color: var(--color-accent); }

.nav-links {
    display: flex;
    gap: 2.2rem;
}

.nav-item {
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-item:hover {
    color: var(--color-accent);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle .bar {
    width: 25px;
    height: 2px;
    background-color: currentColor;
    transition: var(--transition);
}

/* HERO SECTION */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat;
    display: flex;
    align-items: center;
    position: relative;
    color: var(--color-white);
    margin-top: 0;
    padding: 0;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 850px;
}

.hero h1 { font-size: 5rem; color: var(--color-white); margin-bottom: 1.5rem; }
.hero .subtitle { font-size: 1.6rem; margin-bottom: 1.5rem; font-weight: 300; }
.hero-btns { display: flex; gap: 1.5rem; }

/* SECTIONS HEADER */
.section-title { font-size: 3rem; margin-bottom: 1rem; }
.section-subtitle { color: var(--color-text-light); font-size: 1.1rem; }

/* CARDS */
.grid { display: grid; gap: 2.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
    background-color: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.card:hover { 
    transform: translateY(-8px); 
    box-shadow: var(--shadow-hover); 
}

.card-img-wrapper { 
    position: relative; 
    width: 100%; 
    overflow: hidden; 
}

.card img { 
    width: 100%; 
    height: 220px; 
    object-fit: cover; 
    display: block;
    transition: transform 0.5s ease;
}

.card:hover img {
    transform: scale(1.08);
}

.card-body { padding: 2rem; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--color-primary); }
.card-body p { color: var(--color-text-light); font-size: 0.95rem; margin-bottom: 1.5rem; flex: 1; }

.difficulty { position: absolute; top: 1rem; left: 1rem; padding: 0.4rem 1rem; border-radius: 4px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; z-index: 2; }
.difficulty.easy { background-color: #E8F5E9; color: #2E7D32; }
.difficulty.medium { background-color: #FFF3E0; color: #EF6C00; }
.difficulty.hard { background-color: #FFEBEE; color: #C62828; }

/* NEWSLETTER */
.newsletter-container {
    background: #f7f6ef;
    padding: 60px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-form { display: flex; gap: 1rem; max-width: 600px; margin: 2rem auto 0; }
.newsletter-form input { 
    flex: 1; 
    height: 54px; 
    padding: 0 20px; 
    border: 1px solid var(--color-border); 
    border-radius: 8px; 
    font-size: 1rem; 
    font-family: inherit; 
    outline: none; 
    transition: border-color 0.3s ease;
}
.newsletter-form input:focus { border-color: var(--color-accent); }
.newsletter-form button {
    height: 54px;
    padding: 0 32px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.newsletter-form button:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

/* ABOUT */
.about-section .grid-2 { align-items: center; gap: 6rem; }
.about-img { border-radius: var(--radius); width: 100%; height: auto; object-fit: cover; }

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: -100%;
    left: 0;
    width: 100%;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 1.5rem;
    z-index: 2000;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
    transition: bottom 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cookie-banner.show {
    bottom: 0;
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    gap: 2rem;
}

.cookie-text p {
    font-size: 0.95rem;
    opacity: 0.9;
}

.cookie-btns {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.btn-cookie {
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-accept { background-color: var(--color-accent); color: var(--color-white); }
.btn-accept:hover { background-color: #e67e00; }
.btn-decline { background-color: transparent; color: var(--color-white); border: 1px solid rgba(255,255,255,0.3); }
.btn-decline:hover { border-color: var(--color-white); }

/* ARTICLE & WORKOUT PAGES */
.article-header {
    height: 500px;
    margin-top: 70px;
}
.article-header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.article-content {
    max-width: 800px;
    margin: -100px auto 100px;
    background: var(--color-white);
    position: relative;
    z-index: 10;
    padding: 4rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}
.article-title { font-size: 3.5rem; margin-bottom: 1rem; color: var(--color-primary); }
.article-meta { color: var(--color-text-light); margin-bottom: 3rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--color-border); }
.article-body h2 { font-size: 2rem; margin: 2.5rem 0 1rem; }
.article-body p { font-size: 1.1rem; color: #444; margin-bottom: 1.5rem; line-height: 1.8; }
.content-image { width: 100%; height: 400px; object-fit: cover; border-radius: var(--radius); margin: 2rem 0; box-shadow: var(--shadow-sm); }
.exercise-image { width: 100%; height: 300px; object-fit: cover; border-radius: 8px; margin-bottom: 1rem; }

/* ANIMATIONS */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* HIGHLIGHTED TIPS & BOXES */
.tip-box {
    background-color: #f7f6ef;
    border-left: 4px solid var(--color-accent);
    padding: 2rem;
    margin: 2.5rem 0;
    border-radius: 0 8px 8px 0;
}

.tip-box h4 {
    margin-bottom: 0.5rem;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.benefit-list {
    margin: 2rem 0;
    padding-left: 1.5rem;
}

.benefit-list li {
    margin-bottom: 1rem;
    position: relative;
    list-style: none;
}

.benefit-list li::before {
    content: "✓";
    position: absolute;
    left: -1.5rem;
    color: var(--color-olive);
    font-weight: bold;
}

/* WORKOUT DETAILS CARD */
.workout-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    margin-bottom: 3.5rem;
    box-shadow: var(--shadow-sm);
}

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

.detail-item span:first-child {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--color-text-light);
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.detail-item span:last-child {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-primary);
}

/* ABOUT TRAINER SECTION IMPROVED */
.trainer-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2.5rem 0;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
}

.trainer-stats .stat h4 {
    font-size: 2rem;
    color: var(--color-olive);
}

.trainer-stats .stat p {
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--color-text-light);
}

/* FOOTER IMPROVEMENTS */
.footer-col h4 {
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.footer-col h4::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-accent);
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--color-accent);
}

.exercise-item { padding: 2rem 0; border-bottom: 1px solid var(--color-border); display: flex; flex-direction: column; gap: 1rem; }
.exercise-item:last-child { border-bottom: none; }
.exercise-info h4 { font-size: 1.4rem; margin-bottom: 1rem; }
.exercise-reps { font-weight: 700; color: var(--color-accent); font-size: 1.1rem; }

/* FOOTER */
footer { background: var(--color-primary); color: var(--color-white); padding: 6rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 4rem; margin-bottom: 4rem; }
.footer-col h4 { text-transform: uppercase; font-size: 0.8rem; margin-bottom: 2rem; letter-spacing: 2px; }
.footer-col ul li { margin-bottom: 1rem; opacity: 0.6; }
.footer-col ul li a:hover { color: var(--color-accent); opacity: 1; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding-top: 2rem; text-align: center; opacity: 0.4; }

/* RESPONSIVE */
@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .hero h1 { font-size: 4rem; }
    .article-title { font-size: 2.5rem; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--color-white);
        flex-direction: column;
        align-items: center;
        padding: 4rem;
        z-index: 999;
    }
    .nav-links a { color: var(--color-primary) !important; font-size: 1.2rem; }
    .mobile-menu-toggle { display: flex; }
    #navbar.scrolled .mobile-menu-toggle .bar, #navbar.subpage .mobile-menu-toggle .bar { background-color: var(--color-primary); }
    
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 3rem; }
    .newsletter-form { flex-direction: column; }
    .cookie-content { flex-direction: column; text-align: center; }
    .article-content { padding: 2rem; margin-top: -50px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}