/* ===== GENERAL STYLES ===== */
:root {
    /* Colors */
    --cardio-primary: #FF5A3D;
    --cardio-secondary: #FBB03B;
    --strength-primary: #1E2A38;
    --strength-secondary: #3A3F4B;
    --bg-light: #FAF9F6;
    --text-dark: #333333;
    --text-light: #FFFFFF;
    --accent: #4A90E2;
    
    /* Fonts */
    --font-headings: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-buttons: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.8rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--cardio-primary);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

button {
    font-family: var(--font-buttons);
    cursor: pointer;
    border: none;
}

ul {
    list-style-position: inside;
}

.section-padding {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--cardio-primary), var(--strength-primary));
    margin: 15px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-top: -30px;
    margin-bottom: 50px;
    color: #666;
}

/* ===== HEADER & NAVIGATION ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

#main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 25px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--cardio-primary), var(--strength-primary));
    transition: width 0.3s ease;
}

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

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--text-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ===== HERO SECTION ===== */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.split-gradient {
    background: linear-gradient(90deg, 
        rgba(255, 90, 61, 0.1) 0%, 
        rgba(251, 176, 59, 0.1) 50%, 
        rgba(30, 42, 56, 0.1) 51%, 
        rgba(58, 63, 75, 0.1) 100%);
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 0.2em;
    background: linear-gradient(to right, var(--cardio-primary), var(--strength-primary));
    -webkit-background-clip: text;
    color: transparent;
}

.hero-text h2 {
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    margin-bottom: 1rem;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    font-family: var(--font-buttons);
    font-size: 1.1rem;
    font-weight: 500;
    background: linear-gradient(45deg, var(--cardio-primary), var(--cardio-secondary));
    color: white;
    border: none;
    border-radius: 50px;
    padding: 12px 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 90, 61, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--strength-primary), var(--strength-secondary));
    z-index: -1;
    transition: opacity 0.5s ease;
    opacity: 0;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 90, 61, 0.4);
}

.cta-button:hover::before {
    opacity: 1;
}

.cta-button:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(255, 90, 61, 0.3);
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 90, 61, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(255, 90, 61, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 90, 61, 0);
    }
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.cardio-icon, .strength-icon {
    width: 200px;
    height: 200px;
    position: absolute;
}

.cardio-icon {
    transform: translateX(-50%);
    animation: float-left 5s ease-in-out infinite;
}

.strength-icon {
    transform: translateX(50%);
    animation: float-right 5s ease-in-out infinite;
}

.pulse-path {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: dash 3s linear infinite;
}

@keyframes dash {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes float-left {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-20px);
    }
}

@keyframes float-right {
    0%, 100% {
        transform: translateX(50%) translateY(0);
    }
    50% {
        transform: translateX(50%) translateY(-20px);
    }
}

/* ===== COMPARISON SECTION ===== */
.comparison-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.comparison-card {
    flex: 1;
    min-width: 300px;
    background-color: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.comparison-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.cardio-card {
    border-top: 5px solid var(--cardio-primary);
}

.strength-card {
    border-top: 5px solid var(--strength-primary);
}

.card-icon {
    margin-bottom: 20px;
    overflow: hidden;
    border-radius: 10px;
}

.card-icon img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.comparison-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.benefits-list {
    list-style-type: none;
    text-align: left;
}

.benefits-list li {
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
}

.benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--cardio-primary);
    font-weight: bold;
}

.strength-card .benefits-list li::before {
    color: var(--strength-primary);
}

.comparison-slider {
    width: 100%;
    padding: 0 50px;
    margin: 30px 0;
}

.slider-track {
    position: relative;
    width: 100%;
    height: 6px;
    background: linear-gradient(to right, var(--cardio-primary), var(--strength-primary));
    border-radius: 3px;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: transparent;
    position: absolute;
    top: 0;
    left: 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 30px;
    width: 30px;
    border-radius: 50%;
    background: white;
    border: 3px solid var(--accent);
    cursor: pointer;
    margin-top: -12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider-thumb {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background-color: white;
    border-radius: 50%;
    pointer-events: none;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    color: #777;
    font-size: 0.9rem;
}

.comparison-result {
    text-align: center;
    margin-top: 30px;
    font-size: 1.2rem;
    font-weight: 500;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

/* ===== PROBLEMS SECTION ===== */
.hex-bg {
    background-color: #f9f9f9;
    background-image: url("images/hex.jpg");
    background-size: 50px 50px;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.problem-card {
    background-color: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.problem-card:hover {
    transform: translateY(-10px);
}

.problem-icon {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
}

.problem-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.problem-icon:hover img {
    transform: scale(1.1);
}

.problem-card h3 {
    color: var(--strength-primary);
    margin-bottom: 15px;
}

/* ===== QUIZ SECTION ===== */
.quiz-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background-color: #eee;
    border-radius: 3px;
    margin-bottom: 40px;
    position: relative;
}

.progress {
    height: 100%;
    background: linear-gradient(to right, var(--cardio-primary), var(--strength-primary));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.step {
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: #eee;
    border-radius: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    transition: background-color 0.3s ease;
}

.step[data-step="1"] {
    left: 20%;
}

.step[data-step="2"] {
    left: 40%;
}

.step[data-step="3"] {
    left: 60%;
}

.step[data-step="4"] {
    left: 80%;
}

.step[data-step="5"] {
    left: 100%;
}

.step.active {
    background-color: var(--cardio-primary);
}

.step.completed {
    background-color: var(--cardio-secondary);
}

.quiz-step {
    display: none;
    animation: fadeIn 0.5s ease;
}

.quiz-step.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.quiz-step h3 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--strength-primary);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.option-card {
    cursor: pointer;
    background-color: #f9f9f9;
    border: 2px solid #eee;
    border-radius: 10px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.option-card:hover {
    border-color: var(--cardio-primary);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.option-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.option-card input[type="radio"]:checked + .option-text {
    font-weight: 500;
}

.option-card input[type="radio"]:checked ~ .option-card {
    border-color: var(--cardio-primary);
    background-color: rgba(255, 90, 61, 0.05);
}

.option-text {
    font-size: 1rem;
}

.quiz-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.nav-button {
    padding: 10px 25px;
    border-radius: 30px;
    font-family: var(--font-buttons);
    font-weight: 500;
    transition: all 0.3s ease;
}

.prev-button {
    background-color: #f5f5f5;
    color: #777;
}

.prev-button:hover:not([disabled]) {
    background-color: #eee;
}

.next-button, .submit-button {
    background-color: var(--accent);
    color: white;
}

.next-button:hover, .submit-button:hover {
    background-color: #3a80d6;
}

.nav-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.quiz-result {
    animation: fadeIn 0.5s ease;
}

.result-card {
    text-align: center;
    padding: 20px;
}

.result-card h3 {
    color: var(--strength-primary);
    margin-bottom: 30px;
}

.formula-display {
    margin: 30px 0;
}

.formula-bar {
    display: flex;
    height: 40px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.1);
}

.cardio-percent, .strength-percent {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 500;
    transition: width 1s ease;
}

.cardio-percent {
    background: linear-gradient(to right, var(--cardio-primary), var(--cardio-secondary));
}

.strength-percent {
    background: linear-gradient(to right, var(--strength-secondary), var(--strength-primary));
}

.result-description {
    margin: 30px 0;
    line-height: 1.7;
}

/* ===== SCIENCE SECTION ===== */
.dark-section {
    background-color: var(--strength-primary);
    color: var(--text-light);
}

.dark-section .section-title {
    color: white;
}

.dark-section .section-title::after {
    background: linear-gradient(to right, var(--cardio-primary), var(--cardio-secondary));
}

.science-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.science-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    transition: transform 0.3s ease, background-color 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.science-card:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.1);
}

.science-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.science-card h3 {
    margin-bottom: 20px;
    color: var(--cardio-secondary);
}

blockquote {
    font-style: italic;
    padding: 15px;
    border-left: 3px solid var(--cardio-primary);
    margin-bottom: 20px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 0 10px 10px 0;
}

cite {
    display: block;
    font-size: 0.9rem;
    margin-top: 10px;
    opacity: 0.7;
}

.animated-chart {
    margin-top: auto;
    height: 100px;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
}

.chart-bar {
    width: 30%;
    background: linear-gradient(to top, var(--cardio-primary), var(--cardio-secondary));
    border-radius: 5px 5px 0 0;
    height: 0;
    transition: height 1.5s ease;
}

.chart-bar.strength {
    background: linear-gradient(to top, var(--strength-secondary), #5d6779);
}

.chart-bar.combined {
    background: linear-gradient(to top, var(--accent), #81b5ff);
}

.chart-labels {
    display: flex;
    justify-content: space-around;
    width: 100%;
    margin-top: 10px;
    font-size: 0.8rem;
}

.chart-line {
    width: 100%;
    height: 50px;
    background: url("images/chart.jpg") no-repeat;
    background-size: 200% 100%;
    animation: moveChart 10s linear infinite;
}

@keyframes moveChart {
    0% {
        background-position: 0% 0;
    }
    100% {
        background-position: -100% 0;
    }
}

.chart-ring {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--cardio-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.chart-circle {
    width: 60%;
    height: 60%;
    border-radius: 50%;
    background: var(--cardio-primary);
    animation: pulse 2s infinite;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.testimonial-controls {
    position: absolute;
    width: 100%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.control-button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: auto;
}

.control-button:hover {
    background-color: var(--cardio-primary);
    color: white;
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
    min-height: 400px;
}

.testimonial-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    opacity: 0;
    pointer-events: none;
    transition: all 0.5s ease;
    transform: translateX(50px);
}

.testimonial-card.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
}

.testimonial-image {
    flex: 1;
    max-width: 300px;
    position: relative;
    overflow: hidden;
    border-radius: 15px 0 0 15px;
}

.testimonial-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.5s ease;
}

.testimonial-card:hover .testimonial-image img {
    filter: grayscale(0);
}

.color-accent {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(to top, var(--cardio-primary), transparent);
    opacity: 0.7;
}

.testimonial-content {
    flex: 2;
    padding: 30px;
}

.testimonial-content h3 {
    color: var(--strength-primary);
    margin-bottom: 15px;
}

.testimonial-stats {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--cardio-primary);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: #777;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #ddd;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.dot.active {
    background-color: var(--cardio-primary);
}

/* ===== PLANS SECTION ===== */
.wave-bg {
    background-color: #f9f9f9;
    background-image: url("images/wave.jpg");
    background-size: 100% 50px;
    background-repeat: no-repeat;
    background-position: bottom;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.plan-card {
    background-color: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    position: relative;
}

.plan-card:hover {
    transform: translateY(-10px);
}

.plan-header {
    padding: 30px;
    text-align: center;
    background-color: #f9f9f9;
    position: relative;
}

.cardio-plan .plan-header {
    background: linear-gradient(135deg, rgba(255, 90, 61, 0.1), rgba(251, 176, 59, 0.1));
}

.strength-plan .plan-header {
    background: linear-gradient(135deg, rgba(30, 42, 56, 0.1), rgba(58, 63, 75, 0.1));
}

.mixed-plan .plan-header {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1), rgba(30, 42, 56, 0.1));
}

.plan-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.plan-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--strength-primary);
}

.plan-price span {
    font-size: 1rem;
    font-weight: 400;
    color: #777;
}

.plan-features {
    padding: 30px;
}

.plan-features ul {
    list-style-type: none;
}

.plan-features li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 30px;
}

.plan-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--cardio-primary);
}

.plan-cta {
    padding: 0 30px 30px;
    text-align: center;
}

.plan-button {
    width: 100%;
    padding: 12px;
    border-radius: 50px;
    background-color: white;
    color: var(--strength-primary);
    font-weight: 500;
    border: 2px solid var(--strength-primary);
    transition: all 0.3s ease;
}

.plan-button:hover {
    background-color: var(--strength-primary);
    color: white;
}

.cardio-plan .plan-button {
    border-color: var(--cardio-primary);
    color: var(--cardio-primary);
}

.cardio-plan .plan-button:hover {
    background-color: var(--cardio-primary);
    color: white;
}

.highlighted {
    border: 3px solid var(--accent);
    transform: scale(1.05);
}

.highlighted:hover {
    transform: translateY(-10px) scale(1.05);
}

.popular-tag {
    position: absolute;
    top: 0;
    right: 30px;
    background-color: var(--accent);
    color: white;
    padding: 5px 15px;
    border-radius: 0 0 10px 10px;
    font-size: 0.9rem;
    font-weight: 500;
    z-index: 2;
}

/* ===== TEAM SECTION ===== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.team-card {
    text-align: center;
}

.team-photo-wrapper {
    position: relative;
    width: 100%;
    height: 350px;
    perspective: 1000px;
    margin-bottom: 20px;
}

.team-photo {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.front, .back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.back {
    transform: rotateY(180deg);
    background-color: var(--strength-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.team-card:hover .team-photo {
    transform: rotateY(180deg);
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.color-splash {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    opacity: 0.7;
}

.cardio-splash {
    background: linear-gradient(to top, var(--cardio-primary), transparent);
}

.strength-splash {
    background: linear-gradient(to top, var(--strength-primary), transparent);
}

.mixed-splash {
    background: linear-gradient(to top, var(--accent), transparent);
}

.certifications h4 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.certifications ul {
    text-align: left;
    list-style-type: none;
}

.certifications li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.certifications li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--cardio-primary);
}

.team-info h3 {
    margin-bottom: 5px;
}

.team-role {
    color: var(--cardio-primary);
    font-weight: 500;
    margin-bottom: 10px;
}

.team-quote {
    font-style: italic;
    color: #777;
}

/* ===== NEWSLETTER SECTION ===== */
.gradient-bg {
    background: linear-gradient(135deg, rgba(255, 90, 61, 0.1), rgba(30, 42, 56, 0.1));
}

.newsletter-container {
    display: flex;
    align-items: center;
    gap: 50px;
    background-color: white;
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
}

.newsletter-content {
    flex: 1;
}

.newsletter-content h2 {
    margin-bottom: 20px;
    color: var(--strength-primary);
}

.guide-topics {
    list-style-type: none;
    margin-top: 20px;
}

.guide-topics li {
    padding: 8px 0;
    position: relative;
    padding-left: 30px;
}

.guide-topics li::before {
    content: '+';
    position: absolute;
    left: 0;
    font-weight: bold;
    color: var(--cardio-primary);
}

.newsletter-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pdf-icon {
    width: 100px;
    height: 120px;
    margin-bottom: 20px;
}

#pdf-form {
    width: 100%;
    max-width: 400px;
}

.form-group {
    margin-bottom: 20px;
    width: 100%;
}

input[type="email"], input[type="text"], input[type="tel"], select, textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #eee;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input[type="email"]:focus, input[type="text"]:focus, input[type="tel"]:focus, select:focus, textarea:focus {
    border-color: var(--cardio-primary);
    outline: none;
}

.form-disclaimer {
    font-size: 0.8rem;
    color: #777;
    margin-top: 15px;
    text-align: center;
}

/* ===== CONTACT SECTION ===== */
.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    margin-bottom: 50px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-info h2 {
    color: white;
    margin-bottom: 20px;
}

.contact-details {
    margin-top: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-icon {
    margin-right: 15px;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.contact-text h3 {
    margin-bottom: 5px;
    color: var(--cardio-secondary);
}

.contact-form-container {
    flex: 1;
    min-width: 300px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-light);
}

textarea {
    resize: vertical;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
}

input[type="checkbox"] {
    margin-right: 10px;
    margin-top: 5px;
}

.checkbox-group label {
    flex: 1;
}

.submit-button {
    padding: 12px 30px;
    border-radius: 50px;
    background: linear-gradient(45deg, var(--cardio-primary), var(--cardio-secondary));
    color: white;
    font-weight: 500;
    border: none;
    transition: all 0.3s ease;
}

.submit-button:hover {
    box-shadow: 0 5px 15px rgba(255, 90, 61, 0.3);
    transform: translateY(-3px);
}

.map-container {
    margin-top: 50px;
}

.map-container h3 {
    margin-bottom: 20px;
    color: white;
}

#map {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
}

iframe {
    display: block;
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--strength-primary);
    color: var(--text-light);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand p {
    margin-top: 15px;
    opacity: 0.8;
}

.footer-links h3 {
    margin-bottom: 20px;
    color: var(--cardio-secondary);
}

.footer-links ul {
    list-style-type: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-light);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--cardio-primary);
}

.footer-newsletter h3 {
    margin-bottom: 20px;
    color: var(--cardio-secondary);
}

.footer-newsletter p {
    margin-bottom: 20px;
    opacity: 0.8;
}

#footer-newsletter-form .form-group {
    display: flex;
}

.newsletter-button {
    padding: 0 20px;
    background: var(--cardio-primary);
    color: white;
    border: none;
    border-radius: 0 8px 8px 0;
    transition: background-color 0.3s ease;
}

.newsletter-button:hover {
    background: var(--cardio-secondary);
}

#footer-email {
    border-radius: 8px 0 0 8px;
    border-right: none;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.6;
    font-size: 0.9rem;
}

/* ===== COOKIE CONSENT ===== */
.cookie-consent {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 20px;
    z-index: 9999;
    display: none;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.cookie-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.cookie-content p {
    flex: 1;
    min-width: 200px;
    margin: 0;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
}

#cookie-accept, #cookie-decline {
    padding: 10px 20px;
    border-radius: 30px;
    font-family: var(--font-buttons);
    font-weight: 500;
    transition: all 0.3s ease;
}

#cookie-accept {
    background-color: var(--cardio-primary);
    color: white;
}

#cookie-accept:hover {
    background-color: var(--cardio-secondary);
}

#cookie-decline {
    background-color: #f5f5f5;
    color: #777;
}

#cookie-decline:hover {
    background-color: #eee;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1024px) {
    .section-padding {
        padding: 80px 0;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-visual {
        margin-top: 50px;
    }
    
    .comparison-container {
        flex-direction: column;
    }
    
    .comparison-card {
        width: 100%;
    }
    
    .newsletter-container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .section-padding {
        padding: 60px 0;
    }
    
    .problems-grid, .science-grid, .plans-grid, .team-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        flex-direction: column;
    }
    
    .testimonial-image {
        max-width: 100%;
        border-radius: 15px 15px 0 0;
    }
    
    .contact-container {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .section-padding {
        padding: 40px 0;
    }
    
    .quiz-container {
        padding: 20px;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        width: 100%;
        justify-content: center;
    }
}