/* ============================================
   GOAL TO GO FOOTBALL - Main Stylesheet
   Color Scheme: Dark with field green & gold accents
   ============================================ */

/* CSS Variables */
:root {
    --color-primary: #2E7D32;
    --color-primary-dark: #1B5E20;
    --color-primary-light: #4CAF50;
    --color-accent: #FFD700;
    --color-accent-dark: #FFC107;

    --color-bg-dark: #0d1117;
    --color-bg-medium: #161b22;
    --color-bg-light: #21262d;
    --color-bg-card: #1a1f26;

    --color-text-primary: #ffffff;
    --color-text-secondary: #8b949e;
    --color-text-muted: #6e7681;

    --color-field: #2E7D32;
    --color-lines: rgba(255, 255, 255, 0.15);

    --font-display: 'Teko', sans-serif;
    --font-body: 'Roboto', sans-serif;

    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;

    --border-radius: 8px;
    --border-radius-lg: 16px;

    --container-width: 1200px;
    --section-padding: 100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-dark);
    overflow-x: hidden;
}

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

a:hover {
    color: var(--color-accent-dark);
}

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(46, 125, 50, 0.3);
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(13, 17, 23, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
    color: var(--color-text-primary);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-text-primary);
}

.logo-sub {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 4px;
    color: var(--color-accent);
}

.nav-logo:hover .logo-text {
    color: var(--color-primary-light);
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--color-text-secondary);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-medium);
}

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

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

.nav-link.btn-play {
    background: var(--color-primary);
    color: var(--color-text-primary);
    padding: 10px 24px;
    border-radius: var(--border-radius);
    border: 2px solid var(--color-primary);
}

.nav-link.btn-play::after {
    display: none;
}

.nav-link.btn-play:hover {
    background: transparent;
    color: var(--color-primary-light);
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    position: relative;
    transition: var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-primary-dark) 50%, var(--color-bg-dark) 100%);
    opacity: 0.6;
    z-index: -2;
}

.field-lines {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent calc(10% - 1px),
            var(--color-lines) calc(10% - 1px),
            var(--color-lines) 10%
        );
    opacity: 0.5;
}

.field-lines::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    border: 3px solid var(--color-lines);
    border-radius: 50%;
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: 20px;
}

.hero-pre {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(4rem, 15vw, 10rem);
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: 4px;
    color: var(--color-text-primary);
    text-shadow: 4px 4px 0 var(--color-primary-dark);
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: clamp(2rem, 8vw, 5rem);
    font-weight: 600;
    letter-spacing: 8px;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.hero-tagline {
    font-family: var(--font-body);
    font-size: 1.3rem;
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    padding: 16px 40px;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: var(--border-radius);
    transition: all var(--transition-medium);
    border: 2px solid transparent;
}

.cta-button.primary {
    background: var(--color-accent);
    color: var(--color-bg-dark);
    border-color: var(--color-accent);
}

.cta-button.primary:hover {
    background: transparent;
    color: var(--color-accent);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
}

.cta-button.secondary {
    background: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-text-secondary);
}

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

.cta-button.large {
    padding: 20px 50px;
    font-size: 1.4rem;
}

.hero-hook {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    letter-spacing: 1px;
}

.hero-hook strong {
    color: var(--color-primary-light);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: center;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.2rem;
    margin-bottom: 60px;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    padding: var(--section-padding) 0;
    background: var(--color-bg-medium);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--color-bg-card);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(46, 125, 50, 0.2);
    transition: all var(--transition-medium);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    color: var(--color-accent);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--color-text-primary);
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   GAME MODES SECTION
   ============================================ */
.modes {
    padding: var(--section-padding) 0;
    background: var(--color-bg-dark);
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}

.mode-card {
    background: var(--color-bg-light);
    padding: 35px 25px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    border: 2px solid transparent;
    transition: all var(--transition-medium);
    position: relative;
}

.mode-card.featured {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, var(--color-bg-light) 0%, rgba(255, 215, 0, 0.1) 100%);
}

.mode-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary-light);
}

.mode-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-text-primary);
    padding: 4px 16px;
    border-radius: 20px;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mode-card.featured .mode-badge {
    background: var(--color-accent);
    color: var(--color-bg-dark);
}

.mode-card h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 600;
    margin: 15px 0;
    color: var(--color-text-primary);
}

.mode-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* Coming Soon */
.coming-soon {
    text-align: center;
    padding: 40px;
    background: var(--color-bg-medium);
    border-radius: var(--border-radius-lg);
    border: 1px dashed var(--color-text-muted);
}

.coming-soon h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.coming-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.coming-features span {
    background: var(--color-bg-light);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-bg-light);
    transition: all var(--transition-fast);
}

.coming-features span:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-light);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent calc(10% - 1px),
            rgba(255, 255, 255, 0.05) calc(10% - 1px),
            rgba(255, 255, 255, 0.05) 10%
        );
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--section-padding) 0;
    background: var(--color-bg-medium);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 30px;
    text-align: center;
}

.about-text p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: center;
}

.about-studio {
    margin-top: 50px;
    text-align: center;
}

.about-studio > p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.studio-link {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 15px 30px;
    background: var(--color-bg-dark);
    border-radius: var(--border-radius);
    border: 1px solid rgba(76, 175, 80, 0.3);
    transition: all var(--transition-medium);
}

.studio-link:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.studio-link img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.studio-link span {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: 1px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 40px 0;
    background: var(--color-bg-dark);
    border-top: 1px solid var(--color-bg-light);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-text-muted);
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: 5px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    :root {
        --section-padding: 70px;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(13, 17, 23, 0.98);
        flex-direction: column;
        align-items: center;
        padding: 40px 20px;
        gap: 25px;
        transform: translateY(-150%);
        opacity: 0;
        transition: all var(--transition-medium);
        border-bottom: 1px solid rgba(46, 125, 50, 0.3);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-toggle {
        display: block;
    }

    .nav-toggle.active .hamburger {
        background: transparent;
    }

    .nav-toggle.active .hamburger::before {
        top: 0;
        transform: rotate(45deg);
    }

    .nav-toggle.active .hamburger::after {
        bottom: 0;
        transform: rotate(-45deg);
    }

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

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .cta-button {
        width: 100%;
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 16px;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1.8rem;
        letter-spacing: 4px;
    }

    .cta-button.large {
        padding: 16px 30px;
        font-size: 1.1rem;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}