/**
 * Button Components
 * All button styles and variations
 */

/* === BASE BUTTON === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem; /* 14px 28px */
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    text-align: center;
    cursor: pointer;
    border: var(--border-width-thick) solid transparent;
    transition: all var(--transition-base);
    min-width: 140px;
    line-height: 1;
    user-select: none;
    white-space: nowrap;
    
    /* Remove default button styles */
    background: none;
    font-family: inherit;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* === BUTTON VARIANTS === */

/* Primary Button */
.btn-primary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
    padding: 1.125rem 2.25rem; /* 18px 36px */
    font-size: var(--font-size-lg);
    box-shadow: 0 0 16px var(--color-primary-glow);
    transform: translateY(-2px);
    animation: pulse-glow 2s ease-in-out infinite;
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-2px) scale(1.1);
    box-shadow: 0 0 30px rgba(253, 164, 0, 0.8);
}

/* Secondary Button */
.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: var(--color-text-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Outline Button */
.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* Ghost Button */
.btn-ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
    border-color: transparent;
}

.btn-ghost:hover {
    background-color: var(--color-background);
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

/* Solid Button */
.btn-solid {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-solid:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* === BUTTON SIZES === */
.btn-sm {
    padding: 0.5rem 1rem; /* 8px 16px */
    font-size: var(--font-size-sm);
    min-width: 80px;
}

.btn-lg {
    padding: 1rem 2rem; /* 16px 32px */
    font-size: var(--font-size-lg);
    min-width: 160px;
}

.btn-xl {
    padding: 1.25rem 2.5rem; /* 20px 40px */
    font-size: var(--font-size-xl);
    min-width: 200px;
}

/* === BUTTON WIDTHS === */
.btn-full {
    width: 100%;
    min-width: auto;
    justify-content: center;
}

.btn-auto {
    min-width: auto;
    width: auto;
}

/* === SPECIAL BUTTON STYLES === */

/* Hero CTA Button - Green version */
.btn-hero-cta {
    background-color: var(--color-cta) !important;
    color: var(--color-white) !important;
    border-color: var(--color-cta) !important;
    padding: 1.125rem 2.25rem; /* 18px 36px */
    font-size: var(--font-size-lg);
    box-shadow: 0 0 16px var(--color-cta-glow);
    transform: translateY(-2px);
    animation: pulse-glow-green 2s ease-in-out infinite;
}

.btn-hero-cta:hover {
    background-color: var(--color-cta-hover) !important;
    color: var(--color-white) !important;
    border-color: var(--color-cta-hover) !important;
    transform: translateY(-2px) scale(1.1);
    box-shadow: 0 0 30px rgba(46, 204, 113, 0.8);
}

.btn-hero-cta:active {
    transform: translateY(-1px) scale(1.05);
}

/* Navigation CTA Button */
.nav-cta {
    background-color: transparent !important;
    color: var(--color-primary) !important;
    border: var(--border-width-thick) solid var(--color-primary);
    padding: 0.625rem 1.25rem; /* 10px 20px */
    border-radius: var(--border-radius-base);
    font-family: var(--font-primary);
    font-size: inherit;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    box-shadow: 0 0 12px var(--color-primary-glow);
    animation: pulse-glow 2s ease-in-out infinite;
    transition: all var(--transition-base);
}

.nav-cta:hover {
    background-color: transparent !important;
    color: var(--color-primary) !important;
    border-color: var(--color-primary);
    transform: translateY(-1px) scale(1.05);
    box-shadow: 0 0 20px rgba(253, 164, 0, 0.8);
}

/* Modal Submit Button - better contrast on white background */
.modal .btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-primary);
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(253, 164, 0, 0.3);
    animation: none; /* Remove pulse for modal buttons */
}

.modal .btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-text-primary);
    border-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(253, 164, 0, 0.4);
}

/* Thank You Modal Button */
.thank-you-btn {
    background: var(--color-primary);
    color: var(--color-text-primary);
    border-color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    padding: 1rem 2rem; /* 16px 32px */
    font-size: var(--font-size-lg);
    box-shadow: 0 4px 16px var(--color-primary-glow);
    animation: none;
}

.thank-you-btn:hover {
    background: var(--color-primary-hover);
    color: var(--color-text-primary);
    border-color: var(--color-primary-hover);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(253, 164, 0, 0.6);
}

/* === BUTTON ANIMATIONS === */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 16px var(--color-primary-glow);
    }
    50% {
        box-shadow: 0 0 25px rgba(253, 164, 0, 0.7);
    }
}

@keyframes pulse-glow-green {
    0%, 100% {
        box-shadow: 0 0 16px var(--color-cta-glow);
    }
    50% {
        box-shadow: 0 0 25px rgba(46, 204, 113, 0.7);
    }
}

/* === BUTTON STATES === */
.btn:active {
    transform: translateY(0) scale(0.98);
}

.btn-primary:active {
    transform: translateY(-1px) scale(1.05);
}

/* Loading state */
.btn-loading {
    position: relative;
    color: transparent;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* === RESPONSIVE BUTTON STYLES === */
@media (max-width: 480px) {
    .btn {
        padding: 1.125rem 2.25rem; /* 18px 36px */
        font-size: 1.375rem; /* 22px */
        min-width: auto;
    }
    
    .btn-full {
        width: 100%;
    }
}

@media (max-width: 768px) {
    /* Ensure buttons are touch-friendly on mobile */
    .btn {
        min-height: 44px; /* Apple's recommended minimum touch target */
        touch-action: manipulation; /* Prevent zoom on double-tap */
    }
}

/* === BUTTON GROUPS === */
.btn-group {
    display: flex;
    gap: var(--spacing-base);
    flex-wrap: wrap;
}

.btn-group.btn-group-center {
    justify-content: center;
}

.btn-group.btn-group-start {
    justify-content: flex-start;
}

.btn-group.btn-group-end {
    justify-content: flex-end;
}

/* Stacked button group for mobile */
@media (max-width: 480px) {
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        width: 100%;
    }
}