/* ============================================
   SirHos - AI Personal Trainer
   Color Scheme: Blue gradient (#00BFFF to #007ACC), Light Blue (#66CCFF), White, Black
   ============================================ */

:root {
    --primary-blue: #00BFFF;
    --primary-blue-dark: #007ACC;
    --secondary-blue: #66CCFF;
    --white: #FFFFFF;
    --black: #000000;
    --dark-bg: #0a0a0a;
    --card-bg: #1a1a1a;
    --text-light: #e0e0e0;
    --text-gray: #999999;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   Preloader
   ============================================ */

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--black);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
}

.logo-container {
    margin-bottom: 30px;
    animation: pulse 2s ease-in-out infinite;
}

.preloader-logo {
    max-width: 150px;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(0, 191, 255, 0.5));
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(0, 191, 255, 0.2);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

.loading-text {
    color: var(--secondary-blue);
    font-size: 18px;
    font-weight: 300;
    letter-spacing: 2px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 191, 255, 0.2);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 64px;
    width: auto;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-blue-dark));
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    transition: all 0.3s ease;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 60px;
    background: linear-gradient(135deg, var(--black) 0%, #0a0a0a 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 191, 255, 0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-50px, -50px) rotate(180deg); }
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.download-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(0, 191, 255, 0.3);
    border-radius: 12px;
    text-decoration: none;
    color: var(--white);
    transition: all 0.3s ease;
    cursor: pointer;
}

.download-btn:hover {
    background: rgba(0, 191, 255, 0.2);
    border-color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 191, 255, 0.3);
}

.download-btn i {
    font-size: 28px;
    color: var(--primary-blue);
}

.download-text {
    display: flex;
    flex-direction: column;
}

.download-label {
    font-size: 11px;
    color: var(--text-gray);
    line-height: 1.2;
}

.download-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    line-height: 1.2;
}

.btn {
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: var(--white);
    box-shadow: 0 10px 30px rgba(0, 191, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 191, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.hero-phone-mockup {
    perspective: 1000px;
    animation: phoneFloat 6s ease-in-out infinite;
}

@keyframes phoneFloat {
    0%, 100% { transform: translateY(0) rotateY(0deg); }
    50% { transform: translateY(-20px) rotateY(5deg); }
}

.phone-screen {
    background: var(--card-bg);
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 20px 60px rgba(0, 191, 255, 0.3);
    border: 2px solid rgba(0, 191, 255, 0.3);
}

.app-preview {
    background: var(--black);
    border-radius: 20px;
    padding: 20px;
    min-height: 400px;
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-weight: 600;
}

.preview-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    overflow: hidden;
    border-radius: 15px;
}

.workout-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.workout-image:hover {
    transform: scale(1.05);
}

.exercise-preview {
    text-align: center;
    color: var(--secondary-blue);
}

.exercise-preview i {
    font-size: 60px;
    margin-bottom: 20px;
    animation: pulse 2s ease-in-out infinite;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--primary-blue);
    font-size: 24px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* ============================================
   Sections
   ============================================ */

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

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 50px;
}

/* ============================================
   How It Works
   ============================================ */

.how-it-works {
    padding: 100px 20px;
    background: var(--dark-bg);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.step-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 191, 255, 0.1);
}

.step-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-blue);
    box-shadow: 0 20px 40px rgba(0, 191, 255, 0.2);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--white);
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-blue);
}

.step-card p {
    color: var(--text-light);
}

/* ============================================
   Feature Sections
   ============================================ */

.feature-section {
    padding: 100px 20px;
}

.feature-section:nth-child(even) {
    background: var(--dark-bg);
}

.feature-header {
    margin-bottom: 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 191, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-blue);
    box-shadow: 0 20px 40px rgba(0, 191, 255, 0.2);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-blue);
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.feature-demo {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.demo-item {
    flex: 1;
    padding: 15px;
    background: rgba(0, 191, 255, 0.1);
    border-radius: 10px;
    text-align: center;
    color: var(--secondary-blue);
}

.demo-item i {
    display: block;
    font-size: 24px;
    margin-bottom: 8px;
}

.plan-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.tag {
    padding: 8px 15px;
    background: rgba(0, 191, 255, 0.2);
    border-radius: 20px;
    color: var(--primary-blue);
    font-size: 0.9rem;
    border: 1px solid rgba(0, 191, 255, 0.3);
}

.macro-chart {
    display: flex;
    gap: 5px;
    margin-top: 15px;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.macro-bar {
    flex: 1;
    border-radius: 4px;
}

.macro-bar.protein {
    background: var(--primary-blue);
}

.macro-bar.carbs {
    background: var(--secondary-blue);
}

.macro-bar.fats {
    background: var(--primary-blue-dark);
}

/* ============================================
   Voice Coach Section
   ============================================ */

.voice-coach-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.voice-demo {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 191, 255, 0.2);
}

.voice-visualizer {
    text-align: center;
}

.sound-wave {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-bottom: 30px;
    height: 60px;
    align-items: center;
}

.sound-wave span {
    width: 6px;
    background: linear-gradient(180deg, var(--primary-blue), var(--primary-blue-dark));
    border-radius: 3px;
    animation: wave 1.5s ease-in-out infinite;
}

.sound-wave span:nth-child(1) { animation-delay: 0s; height: 20px; }
.sound-wave span:nth-child(2) { animation-delay: 0.2s; height: 40px; }
.sound-wave span:nth-child(3) { animation-delay: 0.4s; height: 60px; }
.sound-wave span:nth-child(4) { animation-delay: 0.2s; height: 40px; }
.sound-wave span:nth-child(5) { animation-delay: 0s; height: 20px; }

@keyframes wave {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1); }
}

.coach-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: var(--white);
    box-shadow: 0 10px 30px rgba(0, 191, 255, 0.3);
}

.coach-messages {
    min-height: 100px;
}

.message {
    padding: 20px;
    background: rgba(0, 191, 255, 0.1);
    border-radius: 15px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary-blue);
    display: none;
}

.message.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.voice-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.voice-feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.voice-feature-item i {
    color: var(--primary-blue);
    font-size: 24px;
    margin-top: 5px;
}

.voice-feature-item h4 {
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.voice-feature-item p {
    color: var(--text-light);
}

/* ============================================
   Gym Scanner Section
   ============================================ */

.scanner-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.scanner-demo {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 191, 255, 0.2);
}

.scanner-viewfinder {
    position: relative;
    background: var(--black);
    border-radius: 15px;
    overflow: hidden;
    min-height: 400px;
}

.viewfinder-frame {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 400px;
    border: 3px solid var(--primary-blue);
    border-radius: 15px;
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-blue), transparent);
    animation: scan 3s linear infinite;
}

@keyframes scan {
    0% { top: 0; }
    100% { top: 100%; }
}

.detected-equipment {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.equipment-item {
    padding: 15px 20px;
    background: rgba(0, 191, 255, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--white);
    border: 2px solid var(--primary-blue);
    animation: detect 0.5s ease;
}

@keyframes detect {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.equipment-item i {
    font-size: 24px;
    color: var(--primary-blue);
}

.scanner-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.scanner-feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(0, 191, 255, 0.1);
    transition: all 0.3s ease;
}

.scanner-feature-card:hover {
    border-color: var(--primary-blue);
    transform: translateX(10px);
}

.feature-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    color: var(--white);
    margin-bottom: 20px;
}

.scanner-feature-card h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.scanner-feature-card p {
    color: var(--text-light);
}

/* ============================================
   Muscle Map Section
   ============================================ */

.muscle-map-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.muscle-model-container {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 191, 255, 0.2);
}

.muscle-model {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 500px;
}

.body-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    display: inline-block;
}

.body-image {
    width: 100%;
    height: auto;
    max-width: 500px;
    border-radius: 15px;
    object-fit: contain;
    filter: brightness(0.9) contrast(1.1);
    display: block;
}

.muscle-group {
    position: absolute;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
}

.muscle-group:hover {
    transform: scale(1.2);
    z-index: 10;
    opacity: 0.95;
    box-shadow: 0 0 25px rgba(0, 191, 255, 0.6);
}

.muscle-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.muscle-group:hover .muscle-label {
    opacity: 1;
}

/* Head */
.muscle-group.head {
    width: 15%;
    height: 15%;
    top: 2%;
    left: 42.5%;
    transform: translateX(0);
    border-radius: 50%;
}

.muscle-group.head:hover {
    transform: translateX(0) scale(1.2);
}

/* Shoulders */
.muscle-group.shoulders {
    width: 40%;
    height: 12%;
    top: 15%;
    left: 30%;
}

/* Chest */
.muscle-group.chest {
    width: 30%;
    height: 18%;
    top: 27%;
    left: 35%;
}

/* Arms */
.muscle-group.arms-left {
    width: 12%;
    height: 28%;
    top: 27%;
    left: 15%;
}

.muscle-group.arms-right {
    width: 12%;
    height: 28%;
    top: 27%;
    right: 15%;
}

/* Abs */
.muscle-group.abs {
    width: 24%;
    height: 20%;
    top: 45%;
    left: 38%;
}

/* Legs */
.muscle-group.legs-left {
    width: 16%;
    height: 35%;
    top: 65%;
    left: 30%;
}

.muscle-group.legs-right {
    width: 16%;
    height: 35%;
    top: 65%;
    right: 30%;
}

/* Muscle States */
.muscle-group.ready {
    background: rgba(0, 255, 0, 0.3);
    border-color: #00ff00;
}

.muscle-group.tired {
    background: rgba(255, 255, 0, 0.3);
    border-color: #ffff00;
}

.muscle-group.rest {
    background: rgba(255, 0, 0, 0.3);
    border-color: #ff0000;
}

.muscle-legend {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid;
}

.legend-color.ready {
    background: rgba(0, 255, 0, 0.3);
    border-color: #00ff00;
}

.legend-color.tired {
    background: rgba(255, 255, 0, 0.3);
    border-color: #ffff00;
}

.legend-color.rest {
    background: rgba(255, 0, 0, 0.3);
    border-color: #ff0000;
}

.muscle-info-panel {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 191, 255, 0.2);
    min-height: 500px;
}

.info-card h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-size: 1.8rem;
}

.info-card p {
    color: var(--text-light);
    line-height: 1.8;
}

.muscle-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 30px 0;
}

.stat-item {
    background: rgba(0, 191, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.stat-label {
    display: block;
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.stat-value {
    display: block;
    color: var(--primary-blue);
    font-size: 1.5rem;
    font-weight: bold;
}

.suggested-exercises {
    margin-top: 30px;
}

.suggested-exercises h4 {
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.suggested-exercises ul {
    list-style: none;
}

.suggested-exercises li {
    padding: 12px 15px;
    background: rgba(0, 191, 255, 0.1);
    margin-bottom: 10px;
    border-radius: 8px;
    color: var(--text-light);
    border-left: 4px solid var(--primary-blue);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--dark-bg);
    padding: 60px 20px 30px;
    border-top: 1px solid rgba(0, 191, 255, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-logo-img {
    width: 80px;
    height: auto;
}

.footer-logo-text {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: var(--secondary-blue);
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.footer-links h4,
.footer-social h4 {
    color: var(--primary-blue);
    margin-bottom: 20px;
}

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

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

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-blue);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background: rgba(0, 191, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 191, 255, 0.1);
    color: var(--text-gray);
}

/* ============================================
   Benefits Section
   ============================================ */

.benefits-section {
    padding: 100px 20px;
    background: var(--dark-bg);
}

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

.benefit-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 191, 255, 0.1);
}

.benefit-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-blue);
    box-shadow: 0 20px 40px rgba(0, 191, 255, 0.2);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--white);
    box-shadow: 0 10px 30px rgba(0, 191, 255, 0.3);
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-blue);
}

.benefit-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ============================================
   Download Section
   ============================================ */

.download-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, var(--black) 0%, #0a0a0a 100%);
    position: relative;
    overflow: hidden;
}

.download-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 191, 255, 0.15) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.download-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.download-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 50px;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.download-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.stat-box {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.download-buttons-large {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
}

.download-btn-large {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(0, 191, 255, 0.3);
    border-radius: 15px;
    text-decoration: none;
    color: var(--white);
    transition: all 0.3s ease;
    cursor: pointer;
    min-width: 220px;
}

.download-btn-large:hover {
    background: rgba(0, 191, 255, 0.2);
    border-color: var(--primary-blue);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 191, 255, 0.4);
}

.download-icon-large {
    font-size: 40px;
    color: var(--primary-blue);
}

.download-text-large {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.download-label-large {
    font-size: 12px;
    color: var(--text-gray);
    line-height: 1.2;
}

.download-name-large {
    font-size: 20px;
    font-weight: 600;
    color: var(--white);
    line-height: 1.2;
}

/* SweetAlert Custom Styles */
.coming-soon-popup {
    background: var(--card-bg) !important;
    border: 2px solid rgba(0, 191, 255, 0.3) !important;
    border-radius: 20px !important;
}

.coming-soon-title {
    color: var(--primary-blue) !important;
    font-size: 2rem !important;
}

.coming-soon-content {
    color: var(--text-light) !important;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .voice-coach-content,
    .scanner-content,
    .muscle-map-content {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 30px 0;
        border-top: 1px solid rgba(0, 191, 255, 0.2);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .steps-grid,
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        justify-content: center;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .download-buttons {
        justify-content: center;
    }

    .download-btn {
        flex: 1;
        min-width: 150px;
        justify-content: center;
    }

    .download-title {
        font-size: 2rem;
    }

    .download-stats {
        gap: 40px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .download-buttons-large {
        flex-direction: column;
        align-items: center;
    }

    .download-btn-large {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .muscle-model {
        min-height: 400px;
    }

    .body-image-wrapper {
        max-width: 100%;
    }

    .body-image {
        max-width: 100%;
    }

    .muscle-group {
        opacity: 0.4;
    }

    .muscle-group:hover {
        opacity: 0.8;
    }
}