/* 
  MT FITNESS PRO - MODERN DESIGN SYSTEM 
  Aesthetic: Premium, Dark, Glassmorphism, Brutalist-Elegant
*/

:root {
  /* Colors - Luxury Gold Palette */
  --primary: #D4AF37;
  --primary-hover: #FFD700;
  --primary-glow: rgba(212, 175, 55, 0.4);
  --secondary: #9A7B4F;
  
  --bg-dark: #0B0E14;
  --bg-card: #171B22;
  --bg-card-hover: #1D232B;
  
  --text: #ffffff;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --border: rgba(212, 175, 55, 0.1);
  --border-glow: rgba(212, 175, 55, 0.2);
  
  --glass: rgba(11, 14, 20, 0.8);
  --glass-border: rgba(212, 175, 55, 0.15);
  
  /* Gradientes */
  --grad-premium: linear-gradient(135deg, #D4AF37 0%, #8A6E2F 100%);
  --grad-surface: linear-gradient(180deg, #171B22 0%, #0B0E14 100%);
  --grad-overlay: linear-gradient(to right, rgba(11, 14, 20, 0.95) 0%, rgba(11, 14, 20, 0.6) 100%);
  
  /* Fonts */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-accent: 'Outfit', sans-serif;
  
  /* Spacing & Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: all 0.4s var(--ease);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

/* Typography */
h1, h2, h3, h4, .logo-font {
  font-family: var(--font-accent);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--grad-premium);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

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

section { padding: 100px 0; position: relative; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-size: 15px;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--grad-premium);
  color: white;
  box-shadow: 0 10px 30px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 40px var(--primary-glow);
}

.btn-secondary {
  background: rgba(255,255,255,0.05);
  color: white;
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--primary);
}

.native-btn {
    border: 1.5px solid var(--primary) !important;
    background: rgba(225, 29, 72, 0.1) !important;
    color: white !important;
    animation: pulse-glow 2.2s infinite ease-in-out;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 5px rgba(225, 29, 72, 0.2); }
    50% { box-shadow: 0 0 20px var(--primary-glow); border-color: var(--primary); transform: scale(1.02); }
}

/* Glass Cards */
.glass-card {
  background: var(--glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 24px 0;
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(12px);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: white;
}

.nav-logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.nav-links {
  display: none;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 14px;
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
}

@media (min-width: 992px) {
  .nav-links { display: flex; }
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
}

.hero-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: url('assets/hero_fitness_bg_1772992068670.png') center/cover no-repeat;
  z-index: -1;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, #09090b 20%, rgba(9, 9, 11, 0.4) 60%, transparent 100%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; width: 100%; height: 30%;
  background: linear-gradient(to top, #09090b, transparent);
}

.hero-content { max-width: 650px; }

.badge-new {
  display: inline-flex;
  padding: 6px 14px;
  background: rgba(225, 29, 72, 0.1);
  border: 1px solid var(--border-glow);
  border-radius: 30px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

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

/* Grid Sections */
.section-header { margin-bottom: 60px; max-width: 700px; }
.section-header h2 { font-size: 3rem; margin-bottom: 16px; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 40px;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
  background: rgba(255,255,255,0.02);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: rgba(225, 29, 72, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  color: var(--primary);
  margin-bottom: 24px;
}

/* App Mockup Section */
.app-section {
  background: var(--grad-surface);
}

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

@media (max-width: 991px) {
  .app-container { grid-template-columns: 1fr; text-align: center; }
  .app-content { order: 1; }
  .app-mockup { order: 2; margin-top: 40px; }
}

.app-mockup {
  position: relative;
  display: flex;
  justify-content: center;
}

.app-mockup img {
  width: 100%;
  max-width: 450px;
  border-radius: 40px;
  box-shadow: 0 40px 100px rgba(0,0,0,0.8);
  border: 1px solid var(--border);
}

.floating-stats {
  position: absolute;
  top: 20%; right: -20px;
  padding: 20px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  animation: float 4s infinite ease-in-out;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* Trainer Section */
.trainer-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

@media (max-width: 991px) {
  .trainer-section { grid-template-columns: 1fr; }
}

.trainer-img {
  width: 100%;
  border-radius: 30px;
  filter: grayscale(0.2);
  transition: var(--transition);
}

.trainer-img:hover { filter: grayscale(0); }

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  align-items: stretch;
}

.plan-card {
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.plan-card.popular {
  border-color: var(--primary);
  transform: scale(1.05);
}

.plan-badge {
  position: absolute;
  top: 0; left: 50%; transform: translate(-50%, -50%);
  background: var(--primary); color: white;
  padding: 8px 16px; border-radius: 30px;
  font-size: 11px; font-weight: 800;
}

.plan-price { font-size: 3.5rem; font-weight: 800; margin: 20px 0; }
.plan-price span { font-size: 1rem; color: var(--text-dim); }

.plan-features {
  list-style: none;
  margin: 30px 0;
  text-align: left;
}

.plan-features li {
  display: flex; gap: 12px; margin-bottom: 12px;
  color: var(--text-muted); font-size: 14px;
}

.plan-features li i { color: var(--primary); font-size: 18px; }

/* Contact Modal & Form */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.contact-modal-box {
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .contact-modal-box {
    transform: scale(1);
}

.form-group { margin-bottom: 20px; text-align: left; }
.form-group label { display: block; margin-bottom: 8px; color: var(--text-muted); font-size: 13px; }
.form-group input, .form-group select {
  width: 100%;
  padding: 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: white;
  font-family: inherit;
}

/* Mobile Menu */
.menu-mobile {
  position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
  background: var(--bg-dark); z-index: 2000;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 30px; transform: translateX(100%); transition: var(--transition);
}

.menu-mobile.active { transform: translateX(0); }

.close-menu { position: absolute; top: 30px; right: 30px; cursor: pointer; color: var(--primary); }

.nav-link-mobile {
  font-family: var(--font-accent);
  font-size: 2rem;
  font-weight: 800;
  color: white;
  text-decoration: none;
  transition: var(--transition);
  opacity: 0.8;
}

.nav-link-mobile:hover {
  opacity: 1;
  color: var(--primary);
  transform: scale(1.1);
}

.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 992px) {
    .mobile-menu-btn { display: none; }
}

/* Dashboard / App Integrated Styles */
.view { display: none; }
.view.active { display: block; animation: fadeIn 0.5s ease forwards; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Footer */
footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--border);
  background: #050507;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

.footer-brand p { margin-top: 20px; color: var(--text-dim); max-width: 300px; }

.footer-links h4 { margin-bottom: 24px; text-transform: uppercase; font-size: 12px; letter-spacing: 1px; color: var(--primary); }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: var(--text-muted); text-decoration: none; transition: var(--transition); font-size: 14px; }
.footer-links a:hover { color: white; }

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
}