/* AROS - Custom Styles */

/* Variables globales - Light Professional NGO/Donor Palette */
:root {
    /* Primary Colors - Trust & Credibility */
    --primary: #0ea5e9;        /* Sky Blue - Trust & Openness */
    --secondary: #10b981;      /* Emerald Green - Growth & Impact */
    --accent: #f59e0b;         /* Amber - Energy & Action */
    --warning: #f59e0b;        /* Amber - Attention */
    --success: #10b981;        /* Green - Success */
    --danger: #ef4444;         /* Red - Critical */

    /* Light Mode Surfaces */
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(148, 163, 184, 0.2);
    --glass-hover: rgba(14, 165, 233, 0.05);

    /* Text Colors - Light Mode */
    --text-primary: #0f172a;   /* Slate 900 */
    --text-secondary: #475569; /* Slate 600 */
    --text-muted: #64748b;     /* Slate 500 */

    /* Shadows - More Pronounced for Light */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Body - Light Mode */
body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 50%, #d1fae5 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

/* Improved Readability */
p {
    line-height: 1.7;
    color: var(--text-secondary);
}

strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Glass Effect - Light Mode */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: var(--shadow-2xl);
    transform: translateY(-4px);
}

/* Gradient Buttons - Light Mode */
.btn-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-gradient:hover::before {
    left: 100%;
}

.btn-gradient:hover {
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.6);
    transform: translateY(-2px) scale(1.05);
}

.btn-gradient:active {
    transform: translateY(0) scale(0.98);
}

/* Text Gradient - Professional */
.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 50%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Animated Gradient */
@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.animate-gradient {
    background-size: 200% 200%;
    animation: gradient-shift 5s ease infinite;
}

/* Blob Animation */
@keyframes blob {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(20px, -50px) scale(1.1);
    }
    50% {
        transform: translate(0, 20px) scale(0.9);
    }
    75% {
        transform: translate(-20px, -15px) scale(1.05);
    }
}

.animate-blob {
    animation: blob 7s infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}

/* Navbar - Light Mode */
#navbar {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    transition: all 0.3s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.nav-link {
    position: relative;
    font-weight: 500;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

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

.nav-link-mobile {
    padding: 12px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link-mobile:hover {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary);
}

/* Particles Background */
#particles-bg {
    background-image:
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 90%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
    animation: particles-float 20s ease-in-out infinite;
}

@keyframes particles-float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Problem Cards Hover */
.problem-card {
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Feature Cards */
.feature-card {
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

/* Deployment Cards */
.deployment-card {
    transition: all 0.3s ease;
}

.deployment-card:hover {
    transform: scale(1.02);
}

/* Stats Animation */
.stat-item {
    text-align: center;
}

.stat-box {
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: scale(1.05);
    background: rgba(55, 65, 81, 0.5) !important;
}

/* Screenshot Navigation */
.screenshot-nav-btn {
    width: 40px;
    height: 40px;
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: #fff;
}

.screenshot-nav-btn:hover {
    background: var(--primary);
    transform: scale(1.1);
}

/* Screenshot Indicators */
.screenshot-indicator {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.screenshot-indicator.active {
    width: 30px;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.screenshot-indicator:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* Form Styles */
input:focus,
textarea:focus,
select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

input::placeholder,
textarea::placeholder {
    color: #6b7280;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #1f2937;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--secondary), var(--primary));
}

/* Fade In Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Pulse Animation for CTA */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 15px 0 rgba(102, 126, 234, 0.4);
    }
    50% {
        box-shadow: 0 6px 25px 0 rgba(102, 126, 234, 0.7);
    }
}

.btn-gradient {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Loading State */
.loading {
    pointer-events: none;
    opacity: 0.6;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Responsive Typography */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem !important;
    }

    h2 {
        font-size: 2rem !important;
    }

    h3 {
        font-size: 1.5rem !important;
    }
}

/* Mobile Menu Animation */
#mobile-menu {
    transition: all 0.3s ease;
}

#mobile-menu.show {
    display: block !important;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hover Effects for Links */
a {
    transition: all 0.3s ease;
}

/* Glass Card Variants */
.glass-card-hover {
    transition: all 0.3s ease;
}

.glass-card-hover:hover {
    background: rgba(31, 41, 55, 0.6);
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateY(-5px);
}

/* Success Alert Animation */
#form-success {
    animation: slideInRight 0.5s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Quote Styling */
blockquote {
    position: relative;
    padding-left: 30px;
}

blockquote::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

/* Badge/Chip Styling */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.2);
    color: var(--primary);
}

/* Divider with Gradient */
.divider-gradient {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
}

/* Floating Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

/* Grid Pattern Background (subtle) */
.grid-pattern {
    background-image:
        linear-gradient(rgba(102, 126, 234, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(102, 126, 234, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Card Shine Effect */
.card-shine {
    position: relative;
    overflow: hidden;
}

.card-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

.card-shine:hover::after {
    left: 100%;
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus Styles for Accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .glass-card {
        border: 2px solid #fff;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}