/* =========================================
   Play2Golf Academy - Design System & CSS
========================================= */

:root {
    /* Color Palette */
    --clr-bg-dark: #0a0a0a;
    --clr-bg-panel: rgba(255, 255, 255, 0.03);
    --clr-panel-border: rgba(255, 255, 255, 0.08);
    
    --clr-primary: #00FF66; /* Vibrant Neon Green */
    --clr-primary-glow: rgba(0, 255, 102, 0.3);
    --clr-primary-dark: #00cc52;
    
    --clr-secondary: #0B3B24; /* Deep Golf Green */
    --clr-accent: #D4AF37; /* Premium Gold */
    
    --clr-text-main: #f8f9fa;
    --clr-text-muted: #a0aab2;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout */
    --max-width: 1200px;
    --section-spacing: 100px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* =========================================
   Reset & Base Styles
========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    font-weight: 700;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 5%;
}

.section-padding {
    padding: var(--section-spacing) 0;
}

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

.highlight {
    color: var(--clr-primary);
}

.text-highlight {
    color: var(--clr-primary);
}

.dim-text {
    color: var(--clr-text-muted);
    font-size: 0.9em;
}

/* =========================================
   Components
========================================= */
/* Glassmorphism Panel */
.glass-panel {
    background: var(--clr-bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--clr-panel-border);
    border-radius: 24px;
    padding: 40px;
    transition: var(--transition-smooth);
}

.glass-panel:hover {
    border-color: rgba(0, 255, 102, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--clr-primary);
    color: #000;
    box-shadow: 0 0 20px var(--clr-primary-glow);
}

.btn-primary:hover {
    background: var(--clr-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 255, 102, 0.5);
}

.btn-large {
    padding: 20px 48px;
    font-size: 1.25rem;
}

/* =========================================
   Navigation
========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--clr-panel-border);
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-btn {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--clr-primary);
    border: 1px solid var(--clr-primary);
    padding: 10px 24px;
    border-radius: 50px;
    transition: var(--transition-smooth);
}

.nav-btn:hover {
    background: var(--clr-primary);
    color: #000;
    box-shadow: 0 0 15px var(--clr-primary-glow);
}

/* =========================================
   Hero Section
========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
    background: radial-gradient(circle at 70% 30%, var(--clr-secondary) 0%, var(--clr-bg-dark) 60%);
}

/* Optional conceptual background graphic elements */
.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--clr-primary-glow) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    opacity: 0.5;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: 0 5%;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    background: linear-gradient(to right, #fff, #a0aab2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--clr-text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.chevron {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--clr-text-muted);
    border-bottom: 2px solid var(--clr-text-muted);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
    margin-top: -6px;
}
.chevron:nth-child(2) { animation-delay: 0.2s; }
.chevron:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(45deg); opacity: 0; }
    40% { transform: translateY(10px) rotate(45deg); opacity: 1; }
    60% { transform: translateY(5px) rotate(45deg); opacity: 0.5; }
}

/* =========================================
   About Section
========================================= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.section-heading {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

.instructor-name {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 24px;
}

.lead-text {
    font-size: 1.15rem;
    color: var(--clr-text-muted);
    margin-bottom: 32px;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-icon {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--clr-panel-border);
    font-weight: 500;
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--clr-primary);
    transform: translateY(-2px);
}

.about-image {
    position: relative;
    padding: 20px;
}

.image-wrapper {
    position: relative;
    aspect-ratio: 4/5;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
    overflow: hidden;
}

.placeholder-img {
    font-size: 8rem;
    color: rgba(255, 255, 255, 0.1);
}

.floating-badge {
    position: absolute;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--clr-panel-border);
    padding: 12px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    animation: float 6s ease-in-out infinite;
}

.floating-badge i {
    color: var(--clr-accent);
}

.badge-1 {
    top: 10%;
    left: -20px;
}

.badge-2 {
    bottom: 20%;
    right: -20px;
    animation-delay: -3s;
}

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

/* =========================================
   Credentials Section
========================================= */
.credentials .section-header p {
    color: var(--clr-text-muted);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto 60px;
}

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

.credential-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(0, 255, 102, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--clr-primary);
    margin-bottom: 24px;
}

.credential-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #fff;
}

.highlight-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--clr-text-main);
    margin-bottom: 8px;
}

.date-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--clr-text-muted);
}

.clean-list li {
    margin-bottom: 12px;
    line-height: 1.4;
}

.clean-list li i {
    margin-right: 10px;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: auto;
}

.tag {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--clr-panel-border);
    border-radius: 50px;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.credential-card:hover .tag {
    border-color: rgba(0, 255, 102, 0.3);
    color: #fff;
}

/* =========================================
   Experience Section
========================================= */
.experience-wrapper {
    display: flex;
    position: relative;
    overflow: hidden;
    padding: 60px;
}

.exp-content {
    flex: 1;
    position: relative;
    z-index: 2;
}

.exp-item {
    margin-top: 40px;
    border-left: 2px solid var(--clr-primary);
    padding-left: 30px;
}

.exp-header {
    display: flex;
    align-items: baseline;
    gap: 20px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.exp-header h3 {
    font-size: 1.8rem;
    color: #fff;
}

.company-link {
    color: var(--clr-text-muted);
    font-weight: 500;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.company-link:hover {
    color: var(--clr-primary);
}

.exp-location {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.exp-location i {
    color: var(--clr-primary);
    margin-right: 5px;
}

.exp-desc {
    font-size: 1.1rem;
    max-width: 600px;
}

.exp-visual {
    position: absolute;
    right: -50px;
    bottom: -50px;
    opacity: 0.03;
    z-index: 1;
    pointer-events: none;
}

.bg-icon {
    font-size: 400px;
}

/* =========================================
   Footer
========================================= */
.footer {
    border-top: 1px solid var(--clr-panel-border);
    padding-top: 80px;
    background: linear-gradient(to top, rgba(0, 255, 102, 0.05) 0%, transparent 100%);
}

.footer-cta {
    max-width: 700px;
    margin: 0 auto 80px;
}

.footer-cta h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

.footer-cta p {
    font-size: 1.2rem;
    color: var(--clr-text-muted);
    margin-bottom: 40px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 0;
    border-top: 1px solid var(--clr-panel-border);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}

.footer-logo span {
    color: var(--clr-primary);
}

.copyright {
    color: var(--clr-text-muted);
    font-size: 0.9rem;
}

/* =========================================
   Animations Classes (triggered via JS)
========================================= */
.reveal-up, .fade-in-up, .fade-in-left, .fade-in-right {
    opacity: 0;
    will-change: transform, opacity;
}

.reveal-up { transform: translateY(30px); }
.fade-in-up { transform: translateY(40px); }
.fade-in-left { transform: translateX(-40px); }
.fade-in-right { transform: translateX(40px); }

.is-visible {
    opacity: 1;
    transform: translate(0, 0);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* =========================================
   Responsive Design
========================================= */
@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .badge-1 { left: 10px; }
    .badge-2 { right: 10px; }
}

@media (max-width: 768px) {
    :root {
        --section-spacing: 60px;
    }
    
    .glass-panel {
        padding: 30px 20px;
    }
    
    .experience-wrapper {
        padding: 30px 20px;
    }
    
    .nav-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}