/* CSS Variables */
:root {
    --primary-gradient: linear-gradient(135deg, #3DBEA3 0%, #2A9D8F 100%);
    --secondary-gradient: linear-gradient(135deg, #A8E6CF 0%, #3DBEA3 100%);
    --background-dark: #0a1515;
    --surface-dark: rgba(61, 190, 163, 0.05);
    --surface-hover: rgba(61, 190, 163, 0.12);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --border-color: rgba(61, 190, 163, 0.15);
    --accent-teal: #3DBEA3;
    --accent-mint: #A8E6CF;
    --shadow-glow: 0 0 60px rgba(61, 190, 163, 0.3);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-dark);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated Background */
.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(61, 190, 163, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(168, 230, 207, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(42, 157, 143, 0.1) 0%, transparent 60%);
    z-index: -1;
    animation: gradientShift 15s ease-in-out infinite alternate;
}

@keyframes gradientShift {
    0% {
        transform: scale(1) rotate(0deg);
    }

    100% {
        transform: scale(1.1) rotate(3deg);
    }
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.logo-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    box-shadow: var(--shadow-glow);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: var(--shadow-glow);
    }

    50% {
        box-shadow: 0 0 80px rgba(61, 190, 163, 0.5);
    }
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Support Card */
.support-card {
    background: var(--surface-dark);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(20px);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.icon {
    width: 32px;
    height: 32px;
    color: var(--accent-teal);
}

.card-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.7;
}

/* Email Button */
.email-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--primary-gradient);
    color: var(--text-primary);
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 20px rgba(61, 190, 163, 0.3);
}

.email-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(61, 190, 163, 0.5);
}

.email-button:active {
    transform: translateY(0);
}

.arrow-icon {
    width: 20px;
    height: 20px;
    transition: var(--transition-smooth);
}

.email-button:hover .arrow-icon {
    transform: translateX(4px);
}

/* Info Section */
.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.info-card {
    background: var(--surface-dark);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition-smooth);
    cursor: pointer;
    backdrop-filter: blur(20px);
}

.info-card:hover {
    background: var(--surface-hover);
    border-color: rgba(61, 190, 163, 0.3);
    transform: translateY(-4px);
}

.info-icon {
    width: 40px;
    height: 40px;
    color: var(--accent-teal);
    margin-bottom: 1rem;
}

.info-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.info-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Footer */
.footer {
    margin-top: auto;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 640px) {
    .container {
        padding: 2rem 1rem;
    }

    .header h1 {
        font-size: 1.75rem;
    }

    .logo-icon {
        width: 48px;
        height: 48px;
    }

    .support-card {
        padding: 1.5rem;
        border-radius: 20px;
    }

    .card-header h2 {
        font-size: 1.25rem;
    }

    .email-button {
        width: 100%;
        justify-content: center;
    }

    .info-section {
        grid-template-columns: 1fr;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .background-gradient {
        animation: none;
    }
}