/* =============================================
   SINGLE PLAYER - Official Website
   Dark Cinematic Aesthetic
   Inspired by: AVID, After Effects, DaVinci Resolve
   ============================================= */

/* ============= CSS VARIABLES ============= */
:root {
    --color-bg-primary: #000000;
    --color-bg-secondary: #111111;
    --color-bg-panel: #1a1a1a;
    --color-border: #4a4a4a;
    --color-accent-cyan: #00eaff;
    --color-accent-purple: #a700ff;
    --color-text-primary: #ffffff;
    --color-text-secondary: #cccccc;
    --color-text-muted: #888888;
    --font-primary: 'Inter', 'Segoe UI', system-ui, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-glow-cyan: 0 0 20px rgba(0, 234, 255, 0.3);
    --shadow-glow-purple: 0 0 20px rgba(167, 0, 255, 0.3);
}

/* ============= GLOBAL RESET ============= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-weight: 300;
    overflow-x: hidden;
    position: relative;
}

/* ============= ANIMATED BACKGROUND ============= */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at top, rgba(0, 234, 255, 0.03), transparent 50%),
                radial-gradient(ellipse at bottom, rgba(167, 0, 255, 0.03), transparent 50%);
    animation: bgPulse 15s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* ============= TYPOGRAPHY ============= */
h1, h2, h3, h4, h5, h6 {
    font-weight: 200;
    letter-spacing: 0.5px;
}

h1 {
    font-size: 5rem;
    font-weight: 100;
    letter-spacing: 4px;
    text-transform: uppercase;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: 2px;
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.8;
}

/* ============= CONTAINER ============= */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============= NAVIGATION ============= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 200;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-text-primary);
    text-decoration: none;
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-accent-purple));
    transition: var(--transition-smooth);
}

.logo:hover::after {
    width: 100%;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent-cyan);
    transition: var(--transition-smooth);
}

.nav-links a:hover {
    color: var(--color-accent-cyan);
}

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

/* ============= BUTTONS ============= */
.btn {
    display: inline-block;
    padding: 0.9rem 2.5rem;
    background: transparent;
    border: 1px solid var(--color-accent-cyan);
    color: var(--color-accent-cyan);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 2px;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-accent-cyan);
    transition: var(--transition-smooth);
    z-index: -1;
}

.btn:hover {
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-glow-cyan);
}

.btn:hover::before {
    left: 0;
}

.btn-purple {
    border-color: var(--color-accent-purple);
    color: var(--color-accent-purple);
}

.btn-purple::before {
    background: var(--color-accent-purple);
}

.btn-purple:hover {
    box-shadow: var(--shadow-glow-purple);
}

/* ============= HERO SECTION ============= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.3); }
}

.hero-slogan {
    font-size: 1.3rem;
    color: var(--color-text-muted);
    letter-spacing: 3px;
    margin-bottom: 3rem;
    text-transform: uppercase;
    font-weight: 200;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============= SECTION ============= */
.section {
    padding: 8rem 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent-cyan), transparent);
    margin: 1.5rem auto;
}

.section-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    margin: 4rem 0;
}

/* ============= WHO WE ARE SECTION ============= */
.who-we-are {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.who-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.who-content p {
    font-size: 1.15rem;
    line-height: 2;
    margin-bottom: 4rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-box {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 234, 255, 0.05), transparent);
    transition: var(--transition-smooth);
}

.feature-box:hover {
    border-color: var(--color-accent-cyan);
    transform: translateY(-5px);
}

.feature-box:hover::before {
    left: 100%;
    transition: left 0.5s ease;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-box h3 {
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

.feature-box p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* ============= CONTACT SECTION ============= */
.contact {
    background: var(--color-bg-primary);
}

.contact-panel {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    padding: 3rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: 1rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-cyan);
    box-shadow: 0 0 10px rgba(0, 234, 255, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.btn-submit {
    width: 100%;
}

/* ============= LOGIN PAGE ============= */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-container {
    max-width: 450px;
    width: 100%;
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    padding: 3rem;
    animation: fadeInUp 0.6s ease-out;
}

.login-header {
    text-align: center;
    margin-bottom: 3rem;
}

.login-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.back-link {
    display: block;
    text-align: center;
    margin-top: 2rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.back-link:hover {
    color: var(--color-accent-cyan);
}

/* ============= FOOTER ============= */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* ============= RESPONSIVE ============= */
@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-slogan {
        font-size: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.8rem;
    }

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

    .section {
        padding: 4rem 0;
    }

    .contact-panel,
    .login-container {
        padding: 2rem;
    }
}

/* ============= ANIMATIONS & UTILITIES ============= */
.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

/* Scan line effect removed per user request */

/* Success/Error Messages */
.message {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid;
    text-align: center;
    animation: fadeInUp 0.4s ease-out;
}

.message-success {
    background: rgba(0, 234, 255, 0.1);
    border-color: var(--color-accent-cyan);
    color: var(--color-accent-cyan);
}

.message-error {
    background: rgba(255, 0, 0, 0.1);
    border-color: #ff0000;
    color: #ff0000;
}