/* === RESET === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
    font-family:'Segoe UI',system-ui,-apple-system,sans-serif;
    background:#0a0a0f;
    color:#e0e0e0;
    line-height:1.6;
    overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* === COLORS === */
:root{
    --blue:#3b82f6;
    --blue-dark:#1d4ed8;
    --blue-deeper:#1e3a5f;
    --cyan:#06b6d4;
    --indigo:#6366f1;
    --amber:#f59e0b;
    --dark:#050508;
    --dark2:#0a0a14;
    --dark3:#0f172a;
    --gray:#94a3b8;
    --text:#e2e8f0;
}

/* === NAV === */
.nav{
    position:fixed;top:0;left:0;right:0;z-index:1000;
    background:rgba(10,10,15,.85);
    backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(255,255,255,.05);
    transition:all .3s;
}
.nav.scrolled{background:rgba(10,10,15,.95);box-shadow:0 4px 30px rgba(0,0,0,.3)}
.nav-inner{display:flex;justify-content:space-between;align-items:center;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;letter-spacing:-.5px}
.logo-img{width:36px;height:36px;border-radius:50%;object-fit:cover;flex-shrink:0}
.logo-text{color:#fff}
.logo-highlight{color:var(--blue)}
.nav-links{display:flex;gap:32px}
.nav-links a{
    color:var(--gray);
    font-size:.85rem;
    font-weight:600;
    text-transform:uppercase;
    letter-spacing:1px;
    transition:color .3s;
    position:relative;
}
.nav-links a::after{
    content:'';position:absolute;bottom:-4px;left:0;
    width:0;height:2px;background:var(--blue);
    transition:width .3s;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:100%}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:5px}
.hamburger span{width:28px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* MOBILE MENU */
.mobile-menu{
    position:fixed;top:70px;left:0;right:0;z-index:999;
    background:rgba(10,10,15,.98);
    backdrop-filter:blur(20px);
    padding:20px 24px;
    display:none;
    flex-direction:column;
    gap:16px;
    border-bottom:1px solid rgba(255,255,255,.05);
}
.mobile-menu.open{display:flex}
.mobile-menu a{color:var(--gray);font-size:1rem;font-weight:600;padding:8px 0;transition:color .3s}
.mobile-menu a:hover{color:var(--blue)}

/* === HERO === */
.hero{
    min-height:100vh;
    display:flex;
    align-items:center;
    position:relative;
    padding:120px 0 80px;
    background:linear-gradient(135deg,#050508 0%,#0a0a14 30%,#050508 60%,#0a1628 100%);
    overflow:hidden;
}
.hero-overlay{
    position:absolute;inset:0;
    background:               radial-gradient(ellipse at 30% 50%,rgba(59,130,246,.1) 0%,transparent 50%),
               radial-gradient(ellipse at 70% 20%,rgba(6,182,212,.06) 0%,transparent 50%),
               radial-gradient(ellipse at 50% 80%,rgba(99,102,241,.04) 0%,transparent 50%);
    z-index:0;
}
.hero-content{position:relative;z-index:1;width:100%}
.hero-badge{
    display:inline-block;
    background:rgba(59,130,246,.15);
    color:var(--blue);
    padding:8px 20px;
    border-radius:50px;
    font-size:.8rem;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:1px;
    margin-bottom:24px;
    border:1px solid rgba(59,130,246,.25);
    animation:fadeUp .6s ease;
    position:relative;
    overflow:hidden;
}
.hero-badge::after{
    content:'';position:absolute;inset:0;
    background:linear-gradient(90deg,transparent,rgba(59,130,246,.2),transparent);
    transform:translateX(-100%);
    animation:shimmer 3s ease-in-out infinite;
}
@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.hero-title{
    font-size:clamp(2.5rem,7vw,5rem);
    font-weight:900;
    line-height:1.05;
    color:#fff;
    margin-bottom:20px;
    animation:fadeUp .6s ease .1s both;
}
.gradient-text{
    background:linear-gradient(135deg,var(--blue),var(--cyan),var(--indigo));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    background-size:200% 200%;
    animation:gradientShift 4s ease-in-out infinite;
}
@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.hero-sub{
    color:var(--gray);
    font-size:clamp(1rem,2vw,1.2rem);
    margin-bottom:36px;
    max-width:650px;
    line-height:1.7;
    animation:fadeUp .6s ease .2s both;
}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:60px;animation:fadeUp .6s ease .3s both}
.btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:16px 36px;border-radius:8px;
    font-weight:700;font-size:.9rem;
    text-transform:uppercase;letter-spacing:1px;
    cursor:pointer;transition:all .3s;
    border:none;font-family:inherit;
}
.btn-primary{
    background:linear-gradient(135deg,var(--blue),var(--blue-dark));
    color:#fff;
    box-shadow:0 4px 20px rgba(59,130,246,.3);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(59,130,246,.4)}
.btn-outline{
    background:transparent;color:#fff;
    border:2px solid rgba(255,255,255,.15);
}
.btn-outline:hover{background:rgba(255,255,255,.05);border-color:var(--blue)}

/* HERO SCROLL */
.hero-scroll{
    position:absolute;bottom:30px;left:50%;transform:translateX(-50%);
    display:flex;flex-direction:column;align-items:center;gap:8px;
    color:var(--gray);font-size:.75rem;text-transform:uppercase;letter-spacing:2px;
    animation:fadeUp 1s ease .8s both;
}
.scroll-arrow{font-size:1.2rem;animation:bounce 2s infinite;color:var(--blue);text-shadow:0 0 10px rgba(59,130,246,.3)}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}

/* === SECTIONS === */
.section{padding:100px 0;position:relative}
.section-dark{background:var(--dark2)}
.section-header{text-align:center;max-width:650px;margin:0 auto 60px}
.section-tag{
    display:inline-block;
    color:var(--blue);
    font-size:.75rem;font-weight:700;
    text-transform:uppercase;letter-spacing:3px;
    margin-bottom:12px;
}
.section-header h2{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900;color:#fff;margin-bottom:16px;line-height:1.2}
.section-header p{color:var(--gray);font-size:1.05rem;line-height:1.7}

/* === PROGRAMS === */
.programs-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:24px;
}
.program-card{
    background:var(--dark3);
    border-radius:16px;
    transition-delay:calc(var(--i,0) * .1s);
    padding:32px;
    border:1px solid rgba(255,255,255,.05);
    transition:all .4s;
    position:relative;
    overflow:hidden;
}
.program-card::before{
    content:'';
    position:absolute;top:0;left:0;right:0;
    height:3px;
    background:var(--accent,var(--blue));
    opacity:0;
    transition:opacity .4s;
}
.program-card:hover{
    transform:translateY(-8px) scale(1.02);
    border-color:var(--accent,var(--blue));
    box-shadow:0 20px 60px rgba(0,0,0,.4),0 0 40px rgba(59,130,246,.08);
}
.program-card:hover::before{opacity:1}
.program-icon{font-size:2.5rem;margin-bottom:16px}
.program-card h3{font-size:1.3rem;color:#fff;margin-bottom:10px}
.program-card>p{color:var(--gray);font-size:.9rem;margin-bottom:20px;line-height:1.6}
.program-card ul{margin-bottom:20px;display:flex;flex-direction:column;gap:8px}
.program-card ul li{color:#b0b0b0;font-size:.85rem}
.btn-card{
    color:var(--accent,var(--blue));
    font-weight:700;font-size:.85rem;
    text-transform:uppercase;letter-spacing:1px;
    transition:gap .3s;
    display:inline-flex;align-items:center;gap:4px;
}
.btn-card:hover{gap:10px}

/* === WORKOUTS === */
.workouts-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:24px;
}
.workout-card{
    background:var(--dark3);
    border-radius:16px;
    overflow:hidden;
    border:1px solid rgba(255,255,255,.05);
    transition:all .4s;
}
.workout-card:hover{transform:translateY(-8px) scale(1.02);border-color:rgba(255,255,255,.1);box-shadow:0 20px 60px rgba(0,0,0,.4),0 0 40px rgba(59,130,246,.06)}
.workout-img{height:200px;display:flex;align-items:flex-start;padding:16px;position:relative}
.workout-tag{
    background:rgba(0,0,0,.4);
    backdrop-filter:blur(10px);
    padding:6px 14px;border-radius:8px;
    font-size:.75rem;font-weight:700;color:#fff;
}
.workout-body{padding:24px}
.workout-meta{color:var(--gray);font-size:.8rem;margin-bottom:8px;display:block}
.workout-body h3{font-size:1.15rem;color:#fff;margin-bottom:8px}
.workout-body p{color:var(--gray);font-size:.85rem;line-height:1.5;margin-bottom:16px}
.workout-footer{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--gray)}
.btn-workout{
    color:var(--blue);font-weight:700;font-size:.8rem;
    text-transform:uppercase;letter-spacing:1px;
    padding:8px 16px;border-radius:8px;
    border:1px solid rgba(59,130,246,.3);
    transition:all .3s;
}
.btn-workout:hover{background:var(--blue);color:#fff}
.section-cta{text-align:center;margin-top:40px}

/* === BMI === */
.bmi-wrapper{max-width:700px;margin:0 auto}
.bmi-card{
    background:var(--dark3);
    border-radius:16px;
    padding:40px;
    border:1px solid rgba(255,255,255,.05);
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:40px;
}
.bmi-row{display:flex;gap:12px;margin-bottom:16px}
.bmi-field{flex:1;display:flex;flex-direction:column;gap:6px}
.bmi-field label{font-size:.8rem;font-weight:600;color:var(--gray);text-transform:uppercase;letter-spacing:1px}
.bmi-field input,.bmi-field select{
    background:var(--dark);
    border:1px solid rgba(255,255,255,.1);
    border-radius:8px;
    padding:12px 16px;
    color:#fff;
    font-size:.95rem;
    font-family:inherit;
    outline:none;
    transition:border-color .3s;
}
.bmi-field input:focus,.bmi-field select:focus{border-color:var(--blue)}
.bmi-field select option{background:var(--dark);color:#fff}
.bmi-btn{width:100%;justify-content:center;margin-top:4px}
.bmi-result{display:flex;flex-direction:column;justify-content:center;gap:16px}
.bmi-number{text-align:center}
.bmi-value{font-size:3.5rem;font-weight:900;color:#fff;line-height:1}
.bmi-unit{color:var(--gray);font-size:.9rem;display:block;margin-top:4px}
.bmi-bar{
    height:8px;background:var(--dark);
    border-radius:8px;overflow:hidden;
    position:relative;
}
.bmi-fill{
    height:100%;border-radius:8px;
    background:linear-gradient(90deg,var(--cyan),var(--amber),var(--blue),var(--indigo));
    transition:width .6s ease;
}
.bmi-labels{display:flex;justify-content:space-between;font-size:.65rem;color:var(--gray)}
.bmi-status{text-align:center;color:var(--gray);font-size:.9rem}



/* === PRICING === */


/* === NEWSLETTER === */
.newsletter-box{
    text-align:center;
    max-width:600px;margin:0 auto;
}
.newsletter-box h2{font-size:2rem;color:#fff;margin-bottom:12px}
.newsletter-box p{color:var(--gray);margin-bottom:24px}
.newsletter-form{display:flex;gap:12px;max-width:480px;margin:0 auto}
.newsletter-form input{
    flex:1;
    padding:16px 20px;border-radius:8px;
    background:var(--dark);border:1px solid rgba(255,255,255,.1);
    color:#fff;font-size:1rem;font-family:inherit;
    outline:none;transition:border-color .3s;
}
.newsletter-form input:focus{border-color:var(--blue)}
.newsletter-form .btn{padding:16px 28px}
.newsletter-note{font-size:.8rem;color:var(--gray);margin-top:16px}

/* === FOOTER === */
.footer{
    background:var(--dark);
    border-top:1px solid rgba(255,255,255,.05);
    padding:60px 0 30px;
}
.footer-grid{
    display:grid;
    grid-template-columns:2fr 1fr 1fr 1fr;
    gap:40px;
    margin-bottom:40px;
}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-logo-img{width:36px;height:36px;border-radius:50%;object-fit:cover;flex-shrink:0}
.footer-logo .logo-text{font-size:1.2rem}
.footer-desc{color:var(--gray);font-size:.85rem;line-height:1.6;margin-bottom:16px}

.footer-grid h4{color:#fff;font-size:.9rem;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.footer-grid a{display:block;color:var(--gray);font-size:.85rem;padding:4px 0;transition:color .3s}
.footer-grid a:hover{color:var(--blue)}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.05);
    padding-top:24px;
    display:flex;justify-content:space-between;align-items:center;
}
.footer-bottom p{color:var(--gray);font-size:.8rem}
.footer-motto{color:rgba(59,130,246,.5);font-weight:700;letter-spacing:2px}

/* BACK TO TOP */
.back-top{
    position:fixed;bottom:30px;right:30px;
    width:48px;height:48px;border-radius:12px;
    background:var(--blue);color:#fff;border:none;
    font-size:1.3rem;cursor:pointer;
    opacity:0;visibility:hidden;
    transition:all .3s;
    box-shadow:0 4px 20px rgba(59,130,246,.3);
    z-index:100;
}
.back-top.visible{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(59,130,246,.4)}

/* === MODAL === */
.modal-overlay{
    position:fixed;inset:0;background:rgba(0,0,0,.85);
    z-index:2000;display:none;align-items:center;justify-content:center;
    padding:20px;backdrop-filter:blur(4px);
}
.modal-overlay.open{display:flex}
.modal-content{
    background:var(--dark3);border-radius:16px;
    max-width:700px;width:100%;max-height:85vh;overflow-y:auto;
    padding:40px;position:relative;border:1px solid rgba(255,255,255,.05);
    animation:fadeUp .3s ease;
}
.modal-close{
    position:absolute;top:16px;right:16px;
    background:rgba(255,255,255,.05);border:none;color:#fff;
    width:36px;height:36px;border-radius:8px;font-size:1.1rem;
    cursor:pointer;transition:background .3s;
}
.modal-close:hover{background:rgba(255,255,255,.15)}

.routine-header{margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.08)}
.routine-header h2{font-size:1.6rem;color:#fff;margin-bottom:4px}
.routine-header p{color:var(--gray);font-size:.85rem}
.routine-exercise{
    display:flex;align-items:center;gap:16px;
    padding:14px 0;border-bottom:1px solid rgba(255,255,255,.04);
}
.routine-num{
    width:32px;height:32px;border-radius:8px;
    background:rgba(59,130,246,.15);color:var(--blue);
    display:flex;align-items:center;justify-content:center;
    font-weight:700;font-size:.85rem;flex-shrink:0;
}
.routine-info{flex:1}
.routine-info h4{color:#fff;font-size:.95rem;margin-bottom:2px}
.routine-info span{color:var(--gray);font-size:.8rem}
.routine-sets{
    text-align:right;flex-shrink:0;
    color:var(--blue);font-weight:700;font-size:.9rem;
}
.routine-rest{color:var(--gray);font-size:.75rem;margin-top:2px}

/* SIGNUP FORM */
.signup-form form{display:flex;flex-direction:column;gap:16px}
.signup-row{display:flex;gap:14px}
.signup-field{flex:1;display:flex;flex-direction:column;gap:5px}
.signup-field label{font-size:.78rem;font-weight:600;color:var(--gray);text-transform:uppercase;letter-spacing:1px}
.signup-field input,.signup-field select{
    background:var(--dark);border:1px solid rgba(255,255,255,.08);
    border-radius:8px;padding:12px 14px;color:#fff;
    font-size:.9rem;font-family:inherit;outline:none;transition:border-color .3s;
}
.signup-field input:focus,.signup-field select:focus{border-color:var(--blue)}
.signup-field select option{background:var(--dark);color:#fff}
.signup-check{display:flex;align-items:center;gap:10px;font-size:.82rem;color:var(--gray);margin:4px 0}
.signup-check input{width:16px;height:16px;accent-color:var(--blue);cursor:pointer}
.signup-btn{width:100%;justify-content:center}

/* SHOWCASE */
.showcase-overlay{
    position:fixed;inset:0;background:#050508;z-index:3000;
    display:none;overflow-y:auto;
}
.showcase-overlay.open{display:block}
.showcase-x{
    position:fixed;top:20px;right:20px;z-index:10;
    width:44px;height:44px;border-radius:12px;
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
    color:#fff;font-size:1.3rem;cursor:pointer;
    transition:all .3s;display:flex;align-items:center;justify-content:center;
}
.showcase-x:hover{background:var(--blue);border-color:var(--blue)}
.showcase-scroll{padding:80px 0}
.showcase-header{text-align:center;max-width:600px;margin:0 auto 50px}
.showcase-header h2{font-size:2.5rem;color:#fff;margin-bottom:12px}
.showcase-header p{color:var(--gray);font-size:1rem}
.showcase-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:20px;
}
.showcase-card{
    background:var(--dark3);border-radius:16px;
    padding:32px;border:1px solid rgba(255,255,255,.05);
    transition:all .4s;position:relative;overflow:hidden;
    animation:fadeUp .5s ease both;
}
.showcase-card:nth-child(1){animation-delay:.1s}
.showcase-card:nth-child(2){animation-delay:.2s}
.showcase-card:nth-child(3){animation-delay:.3s}
.showcase-card:nth-child(4){animation-delay:.4s}
.showcase-card:hover{
    transform:translateY(-8px);
    border-color:var(--s-accent);
    box-shadow:0 20px 60px rgba(0,0,0,.4);
}
.showcase-card::before{
    content:'';position:absolute;top:0;left:0;right:0;
    height:3px;background:var(--s-accent);opacity:0;
    transition:opacity .4s;
}
.showcase-card:hover::before{opacity:1}
.showcase-icon{font-size:2.8rem;margin-bottom:12px}
.showcase-card h3{font-size:1.3rem;color:#fff;margin-bottom:10px}
.showcase-stats{display:flex;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.showcase-stats span{
    background:rgba(255,255,255,.04);padding:4px 10px;
    border-radius:6px;font-size:.72rem;color:var(--gray);
}
.showcase-card p{color:var(--gray);font-size:.85rem;line-height:1.6;margin-bottom:16px}
.showcase-features{display:flex;flex-direction:column;gap:6px}
.showcase-features span{color:#b0b0b0;font-size:.82rem}

/* === ANIMATIONS === */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* SCROLL REVEAL */
.reveal{opacity:0;transform:translateY(40px);transition:all .7s cubic-bezier(.22,1,.36,1)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* SCROLL REVEAL */
.reveal{opacity:0;transform:translateY(40px);transition:all .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* === RESPONSIVE === */
@media(max-width:968px){
    .bmi-card{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
    .hero-stats{gap:30px}
    .stat-num{font-size:1.6rem}
    .test-card{min-width:calc(50% - 12px)}
}
@media(max-width:768px){
    .nav-links{display:none}
    .hamburger{display:flex}
    .hero{padding:100px 0 60px}
    .hero-stats{flex-wrap:wrap;gap:24px}
    .section{padding:60px 0}
    .test-card{min-width:100%}
    .pricing-grid{grid-template-columns:1fr}
    .pricing-featured{transform:none}
    .pricing-featured:hover{transform:translateY(-6px)}
    .footer-grid{grid-template-columns:1fr;gap:30px}
    .newsletter-form{flex-direction:column}
    .workouts-grid{grid-template-columns:1fr}
    .programs-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;gap:8px;text-align:center}
}
@media(max-width:480px){
    .hero-title{font-size:2rem}
    .hero-btns{flex-direction:column}
    .hero-btns .btn{width:100%;justify-content:center}
    .bmi-card{padding:24px}
    .bmi-row{flex-direction:column}
}
.hide-mobile{display:inline}
@media(max-width:768px){.hide-mobile{display:none}}