/* ============================================
   POWER RESEARCH® – Landing Page Styles
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --cyan: #00F0FF;
    --purple: #7B2FFF;
    --dark-bg: #0A0B1A;
    --dark-card: #0F1029;
    --dark-surface: #151738;
    --text-primary: #E8E9F3;
    --text-secondary: #9395B0;
    --glass-bg: rgba(15, 16, 41, 0.6);
    --glass-border: rgba(255, 255, 255, 0.06);
    --gradient: linear-gradient(135deg, var(--cyan), var(--purple));
    --gradient-text: linear-gradient(135deg, var(--cyan) 0%, #A855F7 50%, var(--purple) 100%);
    --shadow-glow: 0 0 40px rgba(0, 240, 255, 0.1), 0 0 80px rgba(123, 47, 255, 0.05);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', var(--font-main);
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

/* --- Particle Canvas --- */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

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

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

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 11, 26, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 12px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 6px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 2px;
}

.logo-power {
    color: var(--cyan);
}

.logo-research {
    color: var(--text-primary);
}

.logo-reg {
    font-size: 0.65rem;
    color: var(--purple);
    vertical-align: super;
}

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

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
    border-radius: 1px;
}

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

.nav-cta {
    background: var(--gradient);
    color: var(--dark-bg) !important;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 600 !important;
    -webkit-text-fill-color: var(--dark-bg);
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

/* --- Hero --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(123, 47, 255, 0.08) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite 4s;
}

.dna-helix {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    height: 600px;
    opacity: 0.06;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 28px,
        var(--cyan) 28px,
        var(--cyan) 30px
    );
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 200'%3E%3Cpath d='M50 0 C80 25 80 75 50 100 C20 125 20 175 50 200' fill='none' stroke='white' stroke-width='40'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 200'%3E%3Cpath d='M50 0 C80 25 80 75 50 100 C20 125 20 175 50 200' fill='none' stroke='white' stroke-width='40'/%3E%3C/svg%3E");
    mask-size: 100% 100%;
    -webkit-mask-size: 100% 100%;
    animation: dnaFloat 6s ease-in-out infinite;
}

@keyframes dnaFloat {
    0%, 100% { transform: translateY(-50%) rotate(0deg); }
    50% { transform: translateY(-52%) rotate(2deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 1; }
}

/* Hero Split Layout */
.hero-split {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: left;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.2);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--cyan);
    margin-bottom: 32px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--cyan);
    border-radius: 50%;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.4); }
    50% { opacity: 0.6; box-shadow: 0 0 0 8px rgba(0, 240, 255, 0); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.title-line {
    display: block;
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 0 36px;
    line-height: 1.7;
}

.hero-desc strong {
    color: var(--text-primary);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

/* Hero Athlete PNG Area */
.hero-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-athlete-area {
    position: relative;
    width: 100%;
    height: 580px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

/* Neon glow behind athlete */
.athlete-glow {
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(0, 240, 255, 0.2) 0%,
        rgba(123, 47, 255, 0.12) 40%,
        transparent 70%
    );
    filter: blur(40px);
    animation: glowPulse 4s ease-in-out infinite;
    z-index: 0;
}

@keyframes glowPulse {
    0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.8; }
    50% { transform: translateX(-50%) scale(1.15); opacity: 1; }
}

/* Decorative rings behind athlete */
.athlete-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid;
    z-index: 0;
    left: 50%;
    bottom: 10%;
    transform: translateX(-50%);
}

.athlete-ring-1 {
    width: 280px;
    height: 280px;
    border-color: rgba(0, 240, 255, 0.12);
    animation: athleteRing 6s ease-in-out infinite;
}

.athlete-ring-2 {
    width: 380px;
    height: 380px;
    border-color: rgba(123, 47, 255, 0.08);
    animation: athleteRing 6s ease-in-out infinite 2s;
}

.athlete-ring-3 {
    width: 480px;
    height: 480px;
    border-color: rgba(0, 240, 255, 0.04);
    animation: athleteRing 6s ease-in-out infinite 4s;
}

@keyframes athleteRing {
    0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.5; }
    50% { transform: translateX(-50%) scale(1.06); opacity: 1; }
}

/* DNA decorative lines */
.athlete-deco-line {
    position: absolute;
    width: 2px;
    height: 200px;
    z-index: 0;
    opacity: 0.15;
}

.deco-left {
    left: 8%;
    top: 15%;
    background: linear-gradient(to bottom, transparent, var(--cyan), transparent);
    transform: rotate(-10deg);
}

.deco-right {
    right: 8%;
    top: 20%;
    background: linear-gradient(to bottom, transparent, var(--purple), transparent);
    transform: rotate(10deg);
}

/* PNG Athlete image */
.athlete-png {
    position: relative;
    z-index: 2;
    height: 540px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 10px 40px rgba(0, 0, 0, 0.5))
            drop-shadow(0 0 80px rgba(0, 240, 255, 0.1));
    animation: athleteFloat 5s ease-in-out infinite;
}

@keyframes athleteFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Floating data cards around athlete */
.athlete-card {
    position: absolute;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    white-space: nowrap;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.athlete-card strong {
    color: var(--cyan);
    font-weight: 700;
}

.athlete-card-1 {
    top: 12%;
    right: 0;
    animation: cardFloat1 4s ease-in-out infinite;
}

.athlete-card-2 {
    top: 45%;
    left: -5%;
    animation: cardFloat2 4.5s ease-in-out infinite;
}

.athlete-card-3 {
    bottom: 18%;
    right: 2%;
    animation: cardFloat3 5s ease-in-out infinite;
}

@keyframes cardFloat1 {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-8px) translateX(4px); }
}

@keyframes cardFloat2 {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-6px) translateX(-4px); }
}

@keyframes cardFloat3 {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-10px) translateX(6px); }
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-main);
}

.btn-primary {
    background: var(--gradient);
    color: var(--dark-bg);
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 240, 255, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--cyan);
    background: rgba(0, 240, 255, 0.05);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* --- Hero Stats --- */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus, .stat-percent {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cyan);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.1), transparent);
}

/* --- Scroll Indicator --- */
.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-dot {
    width: 4px;
    height: 8px;
    background: var(--cyan);
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
}

/* --- Sections --- */
.section {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.section-dark {
    background: var(--dark-card);
}

.section-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--cyan);
    margin-bottom: 16px;
    position: relative;
    padding: 0 16px;
}

.section-tag::before,
.section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px;
    height: 1px;
    background: var(--cyan);
    opacity: 0.4;
}

.section-tag::before { right: 100%; }
.section-tag::after { left: 100%; }

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* --- About Grid with Images --- */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-card {
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    padding: 0;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: var(--gradient);
    opacity: 0;
    transition: var(--transition);
    z-index: 2;
}

.about-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 240, 255, 0.15);
    box-shadow: var(--shadow-glow);
}

.about-card:hover::before {
    opacity: 1;
    width: 80%;
}

.about-card-img {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.about-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-card:hover .about-card-img img {
    transform: scale(1.08);
}

.about-card-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, var(--glass-bg), transparent);
    pointer-events: none;
}

.about-card-body {
    padding: 24px 28px 28px;
    text-align: center;
}

.about-card-body h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.about-card-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- Sports Branches Grid --- */
.sports-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.sport-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    group: sport;
}

.sport-card-img {
    position: relative;
    height: 420px;
    overflow: hidden;
}

.sport-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), filter 0.5s ease;
    filter: brightness(0.7);
}

.sport-card:hover .sport-card-img img {
    transform: scale(1.1);
    filter: brightness(0.5);
}

.sport-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 20%,
        rgba(10, 11, 26, 0.5) 50%,
        rgba(10, 11, 26, 0.95) 100%
    );
    pointer-events: none;
}

.sport-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 28px;
    z-index: 2;
    transform: translateY(20px);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.sport-card:hover .sport-card-content {
    transform: translateY(0);
}

.sport-card-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: #fff;
}

.sport-card-content p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
    margin-bottom: 14px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease 0.1s, transform 0.4s ease 0.1s;
}

.sport-card:hover .sport-card-content p {
    opacity: 1;
    transform: translateY(0);
}

.sport-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease 0.2s, transform 0.4s ease 0.2s;
}

.sport-card:hover .sport-card-tags {
    opacity: 1;
    transform: translateY(0);
}

.sport-card-tags span {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 50px;
    background: rgba(0, 240, 255, 0.15);
    border: 1px solid rgba(0, 240, 255, 0.25);
    color: var(--cyan);
    letter-spacing: 0.3px;
}

/* Sport card gradient border on hover */
.sport-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: var(--gradient);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: xor;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 3;
    pointer-events: none;
}

.sport-card:hover::before {
    opacity: 0.6;
}

/* --- Steps Timeline with Images --- */
.steps-timeline {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.steps-timeline::before {
    content: '';
    position: absolute;
    left: 32px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--cyan), var(--purple));
    opacity: 0.3;
}

.step {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.step-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 64px;
    text-align: center;
    padding-top: 24px;
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 36px;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--dark-bg);
    border: 2px solid var(--cyan);
    z-index: 1;
}

.step-content {
    flex: 1;
    padding: 28px;
    transition: var(--transition);
    overflow: hidden;
}

.step-content:hover {
    border-color: rgba(0, 240, 255, 0.15);
    box-shadow: var(--shadow-glow);
    transform: translateX(4px);
}

.step-row {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.step-text {
    flex: 1;
}

.step-img {
    flex-shrink: 0;
    width: 180px;
    height: 140px;
    border-radius: 12px;
    overflow: hidden;
}

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

.step-content:hover .step-img img {
    transform: scale(1.06);
}

.step-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 14px;
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 14px;
}

.step-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.step-tags span {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 50px;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.15);
    color: var(--cyan);
}

/* --- Science Section --- */
.science-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.science-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 32px;
}

.science-desc strong {
    color: var(--text-primary);
}

.science-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.science-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(0, 240, 255, 0.06);
    border: 1px solid rgba(0, 240, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.science-feature h4 {
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 4px;
}

.science-feature p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* --- Science Visual Card --- */
.science-card {
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--glass-border);
}

.card-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.card-dot.green { background: #22C55E; }
.card-dot.yellow { background: #EAB308; }
.card-dot.red { background: #EF4444; }

.card-title {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-left: 8px;
    font-weight: 500;
}

.card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.metric-row {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    gap: 16px;
    align-items: center;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.metric-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.metric-fill {
    height: 100%;
    border-radius: 4px;
    background: var(--gradient);
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.metric-bar.low .metric-fill {
    background: linear-gradient(135deg, #22C55E, #4ADE80);
}

.metric-value {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--cyan);
    min-width: 40px;
    text-align: right;
}

.metric-value.low-text {
    color: #4ADE80;
}

/* --- Injury Prevention Section with Background Image --- */
.injury-section {
    position: relative;
    overflow: hidden;
}

.injury-bg-img {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.injury-bg-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
    filter: blur(2px);
}

.injury-bg-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--dark-bg) 0%, rgba(10, 11, 26, 0.8) 50%, var(--dark-bg) 100%);
}

.injury-section .container {
    position: relative;
    z-index: 2;
}

.prevention-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.prevention-card {
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
}

.prevention-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 240, 255, 0.15);
    box-shadow: var(--shadow-glow);
}

.prevention-stat {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.prevention-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.prevention-label {
    display: block;
    font-size: 0.8rem;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 4px;
}

.prevention-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.prevention-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- Founder Section --- */
.founder-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: center;
}

.founder-img-wrap {
    position: relative;
}

.founder-placeholder {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.founder-placeholder::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: var(--gradient);
    opacity: 0.2;
    animation: founderGlow 4s ease-in-out infinite;
}

@keyframes founderGlow {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.4; }
}

.founder-placeholder svg {
    width: 120px;
    height: 120px;
    position: relative;
    z-index: 1;
}

.founder-badge-card {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 16px 24px;
    text-align: center;
    min-width: 280px;
}

.founder-badge-title {
    display: block;
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.founder-badge-cert {
    display: block;
    font-size: 0.75rem;
    color: var(--cyan);
    margin-top: 4px;
}

.founder-text .section-tag {
    padding-left: 0;
}

.founder-text .section-tag::before {
    display: none;
}

.founder-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}

.founder-highlights {
    display: flex;
    gap: 32px;
    margin: 32px 0;
}

.highlight {
    text-align: center;
}

.highlight-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.founder-sports {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.sport-tag {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: 50px;
    background: rgba(123, 47, 255, 0.08);
    border: 1px solid rgba(123, 47, 255, 0.2);
    color: var(--purple);
}

/* --- Global Section --- */
.global-map-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 48px;
    margin-bottom: 48px;
}

.globe-visual {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.globe-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(0, 240, 255, 0.15);
}

.ring-1 {
    width: 120px;
    height: 120px;
    animation: ringPulse 3s ease-in-out infinite;
}

.ring-2 {
    width: 160px;
    height: 160px;
    animation: ringPulse 3s ease-in-out infinite 1s;
}

.ring-3 {
    width: 200px;
    height: 200px;
    animation: ringPulse 3s ease-in-out infinite 2s;
}

@keyframes ringPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.globe-center {
    position: relative;
    z-index: 1;
}

.country-cards {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    width: 100%;
}

.country-card {
    padding: 20px 16px;
    text-align: center;
    transition: var(--transition);
}

.country-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 240, 255, 0.15);
}

.country-flag {
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
}

.country-name {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.country-status {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.country-status.active {
    color: var(--cyan);
}

.vision-statement {
    padding: 40px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.vision-statement::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient);
}

.vision-statement blockquote {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-secondary);
    font-style: italic;
}

/* --- Contact Section --- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: center;
}

.contact-text .section-tag {
    padding-left: 0;
}

.contact-text .section-tag::before {
    display: none;
}

.contact-text p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: 16px;
}

.contact-form {
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(147, 149, 176, 0.5);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.08);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239395B0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

.form-group select option {
    background: var(--dark-card);
    color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* --- Footer --- */
.footer {
    background: var(--dark-card);
    padding: 64px 0 32px;
    border-top: 1px solid var(--glass-border);
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 12px;
    font-size: 0.9rem;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding: 4px 0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--cyan);
    transform: translateX(4px);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* --- Animations --- */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate].visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-split {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .hero-desc {
        margin: 0 auto 36px;
    }

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

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

    .hero-athlete-area {
        height: 450px;
    }

    .athlete-png {
        height: 420px;
    }

    .athlete-card-2 {
        left: 0;
    }

    .athlete-ring-3 {
        display: none;
    }

    .sports-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sport-card-img {
        height: 350px;
    }

    .about-grid,
    .prevention-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .prevention-grid .prevention-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }

    .science-layout,
    .founder-layout,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .founder-image {
        order: -1;
    }

    .country-cards {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .step-img {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 11, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 24px;
        z-index: 999;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        font-size: 1.25rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero-athlete-area {
        height: 380px;
    }

    .athlete-png {
        height: 350px;
    }

    .athlete-card {
        font-size: 0.7rem;
        padding: 8px 12px;
    }

    .athlete-card-2 {
        left: 0;
    }

    .athlete-ring-2,
    .athlete-ring-3 {
        display: none;
    }

    .sports-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .sport-card-img {
        height: 280px;
    }

    .sport-card-content {
        padding: 20px;
    }

    .sport-card-content h3 {
        font-size: 1.2rem;
    }

    .about-grid,
    .prevention-grid {
        grid-template-columns: 1fr;
    }

    .prevention-grid .prevention-card:last-child {
        max-width: 100%;
    }

    .steps-timeline::before {
        left: 20px;
    }

    .step-number {
        min-width: 40px;
        font-size: 1.2rem;
    }

    .step-content {
        padding: 24px;
    }

    .country-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .vision-statement {
        padding: 32px 24px;
    }

    .section {
        padding: 80px 0;
    }

    .metric-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .metric-bar {
        width: 100%;
    }

    .metric-value {
        text-align: left;
    }

    .founder-highlights {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 48px;
        height: 1px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }

    .hero-athlete-area {
        height: 320px;
    }

    .athlete-png {
        height: 300px;
    }

    .athlete-card {
        display: none;
    }

    .athlete-ring {
        display: none;
    }

    .athlete-glow {
        width: 200px;
        height: 200px;
    }

    .sports-grid {
        grid-template-columns: 1fr;
    }

    .sport-card-img {
        height: 320px;
    }

    .sport-card-content p {
        opacity: 1;
        transform: none;
    }

    .sport-card-tags {
        opacity: 1;
        transform: none;
    }

    .sport-card-content {
        transform: none;
    }

    .country-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .country-card {
        padding: 16px 12px;
    }

    .step {
        gap: 16px;
    }
}