body, html {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    background-color: #121212;
    color: #ffffff;
    overflow-x: hidden;
}

.main-container {
    background-color: #1C1C1E;
    max-width: 100%;
    margin: auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 60px;
    background-color: #1C1C1E;
}

.logo {
    font-weight: 900;
    font-size: 28px;
}

.logo-dapnia {
    color: #D4AF37;
}

.logo-gym {
    color: #ffffff;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 40px;
    margin: 0;
    padding: 0;
}

nav a {
    text-decoration: none;
    color: #ffffff;
    font-size: 16px;
    font-weight: 400;
}

nav a.active {
    font-weight: 700;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-primary {
    background-color: #D4AF37;
    color: #121212;
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    font-size: 16px;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: #B8941F;
}

.lang-selector {
    display: flex;
    align-items: center;
    gap: 8px;
}

.flag {
    width: 24px;
    height: auto;
    border-radius: 3px;
}

.arrow-down {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid #fff;
}

.hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://cdn.prod.website-files.com/656b39f84d29003790f9410f/656b3d4c4e1a70d2e6c6c8fe_hero-image.jpg');
    background-size: cover;
    background-position: center;
    padding: 150px 60px;
    text-align: center;
    border-radius: 30px;
    margin: 0 40px;
}

.hero-content h1 {
    font-size: 64px;
    font-weight: 900;
    margin: 0;
    line-height: 1.2;
    color: #ffffff;
}

.hero-content .highlight {
    display: inline-block;
    position: relative;
    color: #fff;
    z-index: 1;
}

.hero-content .highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -10px;
    right: -10px;
    height: 25px;
    background-color: #D4AF37;
    z-index: -1;
    transform: skewX(-10deg);
}

.hero-content p {
    font-size: 18px;
    max-width: 600px;
    margin: 30px auto;
    line-height: 1.6;
}

.hero-content .btn-primary {
    margin-top: 20px;
}

.studia {
    padding: 100px 60px;
    background-color: #1C1C1E;
}

.studia h2 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.feature-item {
    background-color: #2C2C2E;
    padding: 30px;
    border-radius: 15px;
    min-height: 120px;
}

.feature-item i {
    font-size: 24px;
    color: #D4AF37;
    margin-bottom: 15px;
}

.feature-item p {
    margin: 0;
    font-size: 16px;
    line-height: 1.5;
}

.how-it-works {
    background-color: #E5E5EA;
    color: #121212;
    padding: 100px 60px;
    border-radius: 30px;
    margin: 0 40px 40px 40px;
}

.how-it-works-content {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.how-it-works-text {
    flex: 1;
}

.how-it-works h2 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 50px;
    line-height: 1.2;
}

.steps-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px 50px;
    margin-bottom: 40px;
}

.step h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.step p {
    font-size: 16px;
    margin: 0;
    line-height: 1.6;
}

.how-it-works-image {
    flex-basis: 30%;
    margin-top: 50px;
}

.how-it-works-image img {
    width: 100%;
    border-radius: 15px;
}


.ai-plan-section {
    padding: 100px 60px;
    background-color: #1C1C1E;
    text-align: center;
}

.ai-plan-container {
    max-width: 1100px; 
    margin: 0 auto;
}

.ai-plan-container h1 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 10px;
}

.ai-plan-container p {
    font-size: 18px;
    margin-bottom: 50px;
    color: #E5E5EA;
}

.form-step {
    display: none;
    position: relative;
    overflow: hidden; 
    padding-top: 40px;
}

.form-step.active-step {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

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


.form-step h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 40px;
}

.options-grid, .options-grid-small {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

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

.options-grid-vertical {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 500px;
    margin: 0 auto;
}

.option-btn {
    background-color: #2C2C2E;
    color: #ffffff;
    border: 2px solid #444;
    padding: 25px 20px;
    border-radius: 15px;
    font-weight: 700;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s;
    font-family: 'Poppins', sans-serif;
    position: relative;
    overflow: hidden;
}

.option-btn > i, .option-btn {
    position: relative;
    z-index: 2;
}

.option-btn:hover {
    background-color: #444;
    border-color: #D4AF37;
}

.option-btn.selected {
    background-color: #D4AF37;
    color: #121212;
    border-color: #D4AF37;
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 700;
}

.input-group input {
    width: 100%;
    padding: 15px;
    background-color: #2C2C2E;
    border: 2px solid #444;
    border-radius: 10px;
    color: #fff;
    font-size: 16px;
    box-sizing: border-box;
}

.input-group input:focus {
    outline: none;
    border-color: #D4AF37;
}

.form-step h3 {
    font-size: 20px;
    margin-top: 50px;
    margin-bottom: 20px;
}

.btn-continue {
    margin-top: 40px;
    font-size: 18px;
    padding: 15px 30px;
    cursor: pointer;
}

.btn-continue i {
    margin-left: 8px;
    transition: transform 0.2s ease-in-out;
}

.btn-continue:hover i {
    transform: translateX(5px);
}

.progress-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 60px;
}

.progress-container {
    width: 100%;
    background-color: #2C2C2E;
    border-radius: 10px;
    margin-bottom: 0;
    height: 10px;
    overflow: hidden;
    flex-grow: 1;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background-color: #D4AF37;
    border-radius: 10px;
    transition: width 0.4s ease-in-out;
}

.progress-label-start, .progress-label-end {
    color: #D4AF37;
    font-weight: 700;
    font-size: 14px;
}

.option-btn i {
    margin-right: 10px;
    font-size: 20px;
    vertical-align: middle;
}

.input-group label i {
    margin-right: 8px;
    color: #D4AF37;
}


footer {
    background-color: #121212;
    color: #E5E5EA;
    padding: 60px 40px 20px;
    font-family: 'Poppins', sans-serif;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto 40px;
    gap: 30px;
}

.footer-logo {
    flex: 1;
    min-width: 200px;
}

.footer-logo .logo-dapnia {
    color: #D4AF37;
    font-size: 36px;
    font-weight: 900;
}

.footer-logo .logo-gym {
    color: #fff;
    font-size: 36px;
    font-weight: 900;
}

.footer-logo .tagline {
    font-size: 14px;
    color: #aaa;
    margin-top: 10px;
}

.footer-links, .footer-contact, .footer-social {
    flex: 1;
    min-width: 180px;
}

.footer-links h3, .footer-contact h3, .footer-social h3 {
    color: #D4AF37;
    font-size: 20px;
    margin-bottom: 25px;
    font-weight: 700;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links ul li {
    margin-bottom: 15px;
}

.footer-links ul li a {
    color: #E5E5EA;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links ul li a:hover {
    color: #D4AF37;
}

.footer-contact p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    font-size: 15px;
}

.footer-contact p i {
    margin-right: 10px;
    color: #D4AF37;
    font-size: 18px;
}

.footer-social a {
    color: #E5E5EA;
    font-size: 24px;
    margin-right: 20px;
    transition: color 0.3s;
}

.footer-social a:hover {
    color: #D4AF37;
}

.footer-bottom {
    border-top: 1px solid #2C2C2E;
    padding-top: 25px;
    margin-top: 40px;
    text-align: center;
    font-size: 14px;
    color: #aaa;
}

.footer-bottom p {
    margin-bottom: 10px;
}

.footer-bottom a {
    color: #aaa;
    text-decoration: none;
    margin: 0 10px;
}

.footer-bottom a:hover {
    color: #D4AF37;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 50px;
    }

    .footer-logo, .footer-links, .footer-contact, .footer-social {
        min-width: unset;
        width: 100%;
    }

    .footer-links ul {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

.step-bg-number {
    position: absolute;
    top: 50%;
    right: -40px;
    transform: translateY(-50%);
    font-size: 280px;
    font-weight: 900;
    color: #D4AF37;
    opacity: 0.1;
    line-height: 1;
    z-index: 0;
    pointer-events: none;
    user-select: none;
}

.form-step > h2,
.form-step > .options-grid {
    position: relative;
    z-index: 1;
}

.option-bg-number {
    position: absolute;
    font-size: 120px;
    font-weight: 900;
    color: #D4AF37;
    opacity: 0.05;
    line-height: 1;
    z-index: 1;
    pointer-events: none;
    user-select: none;
    right: 20px;
    top: 50%;
    transform: translateY(-45%);
}

.btn-back {
    position: absolute;
    top: 10px;
    left: 0;
    background: none;
    border: none;
    color: #aaa;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: color 0.3s;
    font-family: 'Poppins', sans-serif;
    z-index: 2;
    display: inline-flex;
    align-items: center;
}

.btn-back i {
    margin-right: 8px;
    font-weight: 900;
}

.btn-back:hover {
    color: #D4AF37;
}

.card-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #444;
}
.card-header i {
    font-size: 24px;
    color: #D4AF37;
    background-color: #3f3f41;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 15px;
}
.card-header h3 {
    font-size: 22px;
    margin: 0 0 5px 0;
}
.card-header p {
    font-size: 15px;
    color: #aaa;
    margin: 0;
}

.plan-tags {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}
.plan-tag {
    background-color: #3f3f41;
    color: #E5E5EA;
    padding: 8px 12px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
}

.plan-tag strong {
    font-weight: 700;
    color: #fff;
}
.plan-tag i {
    margin-right: 8px;
    color: #D4AF37;
}
.plan-phases {
    margin-bottom: 25px;
}
.phase-item {
    font-size: 15px;
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 1px solid #444;
}
.phase-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}
.plan-week {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.week-day {
    display: flex;
    justify-content: space-between;
    background-color: #3a3a3c;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 15px;
}
.week-day span {
    color: #aaa;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 950px) {
    .summary-main-content {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 600px) {
    .btn-back {
        top: 0;
    }
}

/* === NOVÉ STYLY PRO FINÁLNÍ STRÁNKU (v2) === */

.summary-header h2 {
    font-size: 42px;
}

.summary-header p {
    font-size: 18px;
    max-width: 700px;
    margin: 15px auto 0;
    color: #E5E5EA;
}

.summary-main-content-v2 {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 30px;
    align-items: stretch;
    margin-top: 40px;
}

.plan-card-v2, .offer-card-v2 {
    background-color: #2C2C2E;
    border-radius: 20px;
    padding: 30px;
    border: 1px solid #444;
    display: flex;
    flex-direction: column;
    text-align: left;
    opacity: 0;
}

.plan-card-v2 {
    animation: fadeInUp 0.7s ease-out 0.2s forwards;
}

.offer-card-v2 {
    animation: fadeInUp 0.7s ease-out 0.4s forwards;
}

.plan-card-v2 h4 {
    font-size: 18px;
    font-weight: 700;
    margin-top: 30px;
    margin-bottom: 15px;
    color: #D4AF37;
    display: flex;
    align-items: center;
}

.plan-card-v2 h4 i {
    margin-right: 12px;
    font-size: 16px;
}

.plan-sub-text {
    font-size: 14px;
    color: #aaa;
    margin-top: -10px;
    margin-bottom: 20px;
}

/* Exercise List */
.exercise-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 5px;
}

.exercise-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #3a3a3c;
    padding: 12px 15px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
}

.video-link {
    color: #D4AF37;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s;
}

.video-link:hover {
    color: #fff;
}

/* Offer Card V2 */
.offer-card-v2 {
    background: linear-gradient(145deg, #3a3a3c, #252527);
    border: 2px solid #D4AF37;
}

.offer-card-v2 .price-display .final-price {
    font-size: 64px;
    line-height: 1.1;
    font-weight: 900;
    color: #D4AF37;
}

.price-clarification {
    font-size: 16px;
    color: #aaa;
    margin-top: 5px;
    margin-bottom: 25px;
    line-height: 1.4;
}

.includes-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
    font-size: 16px;
}

.includes-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.includes-list li i {
    color: #D4AF37;
    font-size: 18px;
}

.price-comparison {
    margin: auto 0 25px 0;
    text-align: center;
}

.price-comparison .original-price {
    font-size: 18px;
    color: #888;
    text-decoration: line-through;
}
.price-comparison .discount-saved {
    display: inline-block;
    margin-top: 8px;
    font-size: 16px;
    background: rgba(212, 175, 55, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 175, 55, 0.3);
    color: #D4AF37;
    padding: 8px 15px;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.15);
}

.offer-card-v2 .btn-cta {
    width: 100%;
    font-size: 20px;
    padding: 20px 40px;
}

.cta-subtitle {
    font-size: 14px;
    color: #aaa;
    margin-top: 15px;
    text-align: center;
}


@media (max-width: 950px) {
    .summary-main-content-v2 {
        grid-template-columns: 1fr;
    }
}




/* === STYLY PRO POKROČILÝ DASHBOARD PLÁNU === */

.btn-secondary {
    background-color: #2C2C2E;
    color: #D4AF37;
    border: 1px solid #D4AF37;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.3s;
    margin-bottom: 30px;
}

.btn-secondary:hover {
    background-color: #D4AF37;
    color: #121212;
    transform: scale(1.05);
}

.dashboard-main {
    padding: 0 60px 60px 60px;
}

.dashboard-header {
    padding: 40px 0;
    border-bottom: 1px solid #2C2C2E;
    margin-bottom: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.dashboard-title h1 { font-size: 42px; font-weight: 900; margin: 0 0 10px 0; }
.dashboard-title h1 i { color: #D4AF37; margin-right: 15px; }
.dashboard-title p { font-size: 18px; color: #aaa; margin: 0; }
.highlight-text { color: #D4AF37; font-weight: 700; }

.dashboard-progress-overview {
    background-color: #1c1c1e;
    padding: 15px 25px;
    border-radius: 15px;
    min-width: 300px;
}
.dashboard-progress-overview h4 { margin: 0 0 10px 0; font-size: 16px; color: #fff; font-weight: 500; }
.progress-bar-container { display: flex; align-items: center; gap: 15px; }
.progress-bar-track { flex-grow: 1; height: 8px; background-color: #2c2c2e; border-radius: 4px; overflow: hidden; }
.progress-bar-fill { height: 100%; background-color: #D4AF37; width: 0%; border-radius: 4px; transition: width 0.5s ease-out; }
.dashboard-progress-overview span { font-size: 16px; font-weight: 700; color: #D4AF37; }

.user-profile { display: flex; align-items: center; gap: 15px; font-size: 16px; }
.user-profile i { font-size: 18px; color: #D4AF37; }

.dashboard-layout { display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: flex-start; }

/* Navigace fází a týdnů (levý panel) */
.week-navigation {
    background-color: #1C1C1E; padding: 20px; border-radius: 15px;
    position: sticky; top: 40px;
}
.phase-group { margin-bottom: 20px; }
.phase-header {
    font-size: 20px; font-weight: 700; color: #D4AF37; margin: 0 0 15px 0;
    padding-bottom: 15px; border-bottom: 1px solid #2C2C2E;
    display: flex; align-items: center; gap: 10px;
}
.week-btn {
    display: flex; align-items: center; justify-content: space-between; width: 100%;
    padding: 15px; background: none; border: none; color: #fff; font-family: 'Poppins', sans-serif;
    font-size: 16px; text-align: left; border-radius: 10px; cursor: pointer; transition: all 0.3s;
}
.week-btn-title { display: flex; align-items: center; gap: 12px; }
.week-btn i { font-size: 16px; color: #aaa; transition: color 0.3s; }
.week-btn-status { font-size: 12px; font-weight: 700; color: #aaa; transition: color 0.3s; }
.week-btn:hover { background-color: #2C2C2E; }
.week-btn.active { background-color: #D4AF37; color: #121212; font-weight: 700; }
.week-btn.active i, .week-btn.active .week-btn-status { color: #121212; }
.week-btn.completed .week-btn-status { color: #28a745; }
.week-btn.completed .week-btn-status::before { content: '✓ '; }

/* NOVÉ: Styly pro dny v levé navigaci */
.days-in-nav {
    padding-left: 20px;
    margin-top: 5px;
    border-left: 2px solid #2C2C2E;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding-bottom 0.4s ease-out;
}
.week-btn.active + .days-in-nav {
    max-height: 500px; /* Dostatečně velká hodnota */
    padding-bottom: 10px;
}
.day-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 15px;
    color: #aaa;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}
.day-nav-link:hover {
    background-color: #2C2C2E;
    color: #fff;
}
.day-nav-link.active {
    background-color: #3a3a3c;
    color: #D4AF37;
    font-weight: 700;
}
.day-nav-link i {
    font-size: 14px;
}
/* Konec nových stylů */


/* Obsah plánu (pravý panel) */
.plan-content { background-color: #1C1C1E; border-radius: 15px; padding: 30px; }
.plan-header h2 { font-size: 32px; font-weight: 900; margin: 0 0 30px 0; }
.training-days { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; margin-bottom: 40px; }
.day-card {
    background-color: #2C2C2E; padding: 20px; border-radius: 12px; border: 2px solid transparent;
    cursor: pointer; transition: all 0.2s ease-in-out; text-align: center;
}
.day-card:hover { transform: translateY(-5px); border-color: #444; }
.day-card.active { border-color: #D4AF37; background-color: #3a3a3c; transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }
.day-card .day-card-day { font-size: 18px; font-weight: 700; margin: 0 0 10px 0; color: #fff; }
.day-card.active .day-card-day { color: #D4AF37; }
.day-card .day-card-focus { font-size: 14px; color: #aaa; margin: 0; line-height: 1.4; }
.day-card .day-card-icon { font-size: 24px; color: #D4AF37; margin-bottom: 15px; }

/* Detaily cviků */
.exercise-details-container { background-color: #121212; padding: 30px; border-radius: 15px; }
.exercise-list-header h3 { font-size: 24px; margin: 0 0 30px 0; padding-bottom: 20px; border-bottom: 1px solid #2C2C2E; }
.exercise-list-header h3 i { color: #D4AF37; margin-right: 15px; }
.exercise-item-detail {
    background-color: #1C1C1E; border-radius: 12px; margin-bottom: 20px;
    animation: fadeIn 0.5s ease-out; border: 1px solid #2C2C2E; overflow: hidden;
}
.exercise-item-detail:last-child { margin-bottom: 0; }
.exercise-main-info {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;
    padding: 20px; background-color: #252527; gap: 15px;
}
.exercise-title h4 { font-size: 22px; margin: 0; }
.exercise-title .exercise-focus { font-size: 14px; color: #aaa; font-weight: 500; }
.exercise-specs { display: flex; flex-wrap: wrap; gap: 15px 25px; font-size: 15px; color: #D4AF37; font-weight: 700; }
.spec-item { display: flex; flex-direction: column; text-align: center; }
.spec-item .spec-label { font-size: 12px; color: #aaa; font-weight: 500; }
.spec-item .spec-value { font-size: 16px; color: #D4AF37; }
.exercise-body { padding: 20px; }
.exercise-instructions { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; }
.instruction-block h5 {
    font-size: 16px; display: flex; align-items: center; gap: 10px;
    margin: 0 0 15px 0; color: #fff; border-bottom: 1px solid #2C2C2E; padding-bottom: 10px;
}
.instruction-block h5 i { color: #D4AF37; }
.instruction-block ul { list-style-type: none; padding: 0; margin: 0; }
.instruction-block li { font-size: 15px; color: #E5E5EA; line-height: 1.7; margin-bottom: 10px; padding-left: 20px; position: relative; }
.instruction-block li::before { content: '✓'; color: #D4AF37; position: absolute; left: 0; font-weight: 700; }
.instruction-block.mistakes li::before { content: '✗'; color: #ff4d4d; }
.video-container { margin-top: 25px; }
.video-container a {
    display: inline-flex; align-items: center; gap: 10px; background-color: #D4AF37; color: #121212;
    padding: 12px 20px; border-radius: 50px; text-decoration: none; font-weight: 700; transition: all 0.3s;
}
.video-container a:hover { background-color: #fff; transform: scale(1.05); }
.exercise-placeholder { text-align: center; padding: 80px 20px; border: 2px dashed #2C2C2E; border-radius: 15px; }
.exercise-placeholder i { font-size: 48px; color: #D4AF37; margin-bottom: 20px; }
.exercise-placeholder h3 { font-size: 24px; margin-bottom: 10px; }
.exercise-placeholder p { font-size: 16px; color: #aaa; max-width: 500px; margin: 0 auto; line-height: 1.6; }

/* Modální okno a patička (beze změn) */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.8); display: none;
    justify-content: center; align-items: center; z-index: 1000;
    backdrop-filter: blur(5px); animation: fadeIn 0.3s ease;
}
.modal-overlay.visible { display: flex; }
.modal-content {
    background-color: #1C1C1E; padding: 30px; border-radius: 20px; width: 90%; max-width: 600px;
    border: 1px solid #444; box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    animation: slideInFromTop 0.4s ease-out;
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid #2C2C2E;
}
.modal-header h2 { font-size: 24px; margin: 0; }
.modal-header h2 i { color: #D4AF37; margin-right: 12px; }
.close-btn { background: none; border: none; color: #aaa; font-size: 32px; cursor: pointer; line-height: 1; transition: color 0.3s; }
.close-btn:hover { color: #fff; }
.promo-code-item {
    display: flex; justify-content: space-between; align-items: center; gap: 20px;
    background-color: #2C2C2E; padding: 20px; border-radius: 12px; margin-bottom: 15px;
}
.promo-code-item:last-child { margin-bottom: 0; }
.promo-code-text p { font-size: 16px; margin: 0 0 8px 0; font-weight: 500; color: #fff; }
.promo-code-text span { font-size: 14px; color: #aaa; }
.promo-code-value {
    background-color: #121212; border: 1px dashed #D4AF37; color: #D4AF37;
    padding: 10px 15px; border-radius: 8px; font-size: 18px; font-weight: 700;
    font-family: monospace; cursor: pointer; transition: background-color 0.3s;
}
.promo-code-value:hover { background-color: #2c2c2e; }
.promo-placeholder { text-align: center; color: #aaa; padding: 30px; }

@keyframes slideInFromTop { from { transform: translateY(-50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ============================================
   COMPREHENSIVE MOBILE RESPONSIVENESS
   ============================================ */

/* Tablet & Desktop (max-width: 1200px) */
@media (max-width: 1200px) {
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .summary-main-content-v2 {
        grid-template-columns: 1fr;
    }
}

/* Tablet (max-width: 950px) */
@media (max-width: 950px) {
    .dashboard-layout {
        grid-template-columns: 1fr;
    }

    .week-navigation {
        position: static;
    }

    .hero {
        padding: 100px 40px;
        margin: 0 20px;
    }

    .hero-content h1 {
        font-size: 48px;
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    /* Header */
    header {
        padding: 15px 20px;
        flex-direction: row;
        justify-content: space-between;
    }

    .logo {
        font-size: 24px;
    }

    .btn-primary {
        padding: 10px 20px;
        font-size: 14px;
    }

    /* Hero Section */
    .hero {
        padding: 60px 20px;
        margin: 0 10px;
        border-radius: 20px;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .hero-content p {
        font-size: 16px;
    }

    /* AI Plan Section */
    .ai-plan-section {
        padding: 60px 20px;
    }

    .ai-plan-container h1 {
        font-size: 32px;
    }

    .ai-plan-container p {
        font-size: 16px;
    }

    .form-step h2 {
        font-size: 28px;
        margin-bottom: 30px;
    }

    /* Options Grid */
    .options-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .options-grid-small {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .option-btn {
        padding: 20px 15px;
        font-size: 16px;
    }

    /* Details Grid */
    .details-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Progress Bar */
    .progress-wrapper {
        gap: 10px;
    }

    .progress-label-start, .progress-label-end {
        font-size: 12px;
    }

    /* Summary Section */
    .summary-main-content-v2 {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .plan-card-v2, .offer-card-v2 {
        padding: 20px;
    }

    .card-header h3 {
        font-size: 20px;
    }

    .offer-card-v2 .price-display .final-price {
        font-size: 48px;
    }

    .offer-card-v2 .btn-cta {
        font-size: 18px;
        padding: 15px 30px;
    }

    /* Sections */
    .studia {
        padding: 60px 20px;
    }

    .studia h2 {
        font-size: 36px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .how-it-works {
        padding: 60px 20px;
        margin: 0 10px 20px 10px;
        border-radius: 20px;
    }

    .how-it-works h2 {
        font-size: 36px;
    }

    .how-it-works-content {
        flex-direction: column;
        gap: 30px;
    }

    .steps-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Dashboard */
    .dashboard-main {
        padding: 0 20px 20px 20px;
    }

    .dashboard-title h1 {
        font-size: 32px;
    }

    .dashboard-progress-overview {
        min-width: 100%;
    }

    .training-days {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .plan-content {
        padding: 20px;
    }

    .plan-header h2 {
        font-size: 24px;
    }

    .exercise-details-container {
        padding: 20px;
    }

    .exercise-instructions {
        grid-template-columns: 1fr;
    }

    .exercise-main-info, .dashboard-header-controls {
        flex-direction: column;
        align-items: flex-start;
    }

    .exercise-title h4 {
        font-size: 18px;
    }

    .exercise-specs {
        gap: 10px 15px;
    }

    /* Footer */
    .footer-contact p {
        font-size: 14px;
    }

    footer {
        padding: 40px 20px 20px;
    }

    .footer-logo .logo-dapnia,
    .footer-logo .logo-gym {
        font-size: 28px;
    }

    /* Modal */
    .modal-content {
        padding: 20px;
        width: 95%;
    }

    .promo-code-item {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    /* Typography */
    .hero-content h1 {
        font-size: 28px;
    }

    .ai-plan-container h1 {
        font-size: 26px;
    }

    .form-step h2 {
        font-size: 24px;
    }

    .studia h2,
    .how-it-works h2 {
        font-size: 28px;
    }

    /* Header */
    .logo {
        font-size: 20px;
    }

    .btn-primary {
        padding: 8px 16px;
        font-size: 13px;
    }

    /* Options Grid */
    .options-grid-small {
        grid-template-columns: 1fr;
    }

    .option-btn {
        padding: 18px 15px;
        font-size: 15px;
    }

    /* Hero */
    .hero {
        padding: 40px 15px;
    }

    .hero-content .highlight::after {
        height: 20px;
    }

    /* Cards */
    .plan-card-v2, .offer-card-v2 {
        padding: 15px;
    }

    .offer-card-v2 .price-display .final-price {
        font-size: 40px;
    }

    /* Dashboard */
    .training-days {
        grid-template-columns: 1fr;
    }

    .day-card {
        padding: 15px;
    }

    .dashboard-title h1 {
        font-size: 26px;
    }

    /* Footer */
    .footer-logo .logo-dapnia,
    .footer-logo .logo-gym {
        font-size: 24px;
    }

    /* Background Numbers */
    .step-bg-number {
        font-size: 180px;
        opacity: 0.05;
    }

    .option-bg-number {
        font-size: 80px;
        opacity: 0.03;
    }

    /* Progress wrapper */
    .progress-label-start, .progress-label-end {
        display: none;
    }

    .progress-wrapper {
        margin-bottom: 40px;
    }
}