/**
 * Custom Styles for Fund Investment Platform
 * Color Palette: Gradient teal → indigo, Accent: gold/orange
 * Fonts: Poppins (headings), Inter (body)
 */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --teal-indigo-gradient: linear-gradient(135deg, #0ea5e9 0%, #3b82f6 25%, #6366f1 50%, #8b5cf6 75%, #a855f7 100%);
    --accent-gold: #f59e0b;
    --accent-orange: #f97316;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    overflow-y: auto;
    width: 100%;
    max-width: 100%;
    height: auto;
    min-height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    overflow-y: auto;
    width: 100%;
    max-width: 100%;
    position: relative;
    height: auto;
    min-height: auto;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

/* Splash Screen Styles */
.splash-screen {
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.splash-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    padding: 2rem 0;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo-placeholder {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: 'Poppins', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--teal-indigo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero Section */
.hero-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 0 4rem;
    min-height: 100vh;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--teal-indigo-gradient);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    z-index: 1;
}

/* Fallback for background image */
.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('assets/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.2;
    z-index: 2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 3;
}

.hero-content {
    position: relative;
    z-index: 4;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 2rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 300;
    margin-bottom: 3rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Button Styles */
.btn-pill {
    border-radius: 50px;
    padding: 0.75rem 2.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #fbbf24 0%, #fb923c 100%);
}

.btn-outline-light {
    border: 2px solid var(--white);
    color: var(--white);
    background: transparent;
}

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

/* Animations */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.animate-fade-in {
    animation: fadeIn 1s ease-in;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer */
.splash-footer {
    position: relative;
    z-index: 10;
    padding: 2rem 0;
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.footer-text {
    color: var(--white);
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

/* Login Page Styles */
.login-page {
    background: var(--teal-indigo-gradient);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    position: relative;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.login-container {
    position: relative;
    z-index: 2;
}

.login-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: slideUp 0.5s ease-out;
}

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

.login-card-header {
    padding: 2.5rem 2.5rem 1.5rem;
    text-align: center;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
}

.login-card-body {
    padding: 2rem 2.5rem 2.5rem;
}

/* Form Styles */
.form-label {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-control {
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.15);
    outline: none;
}

.form-control.is-valid {
    border-color: #10b981;
}

.form-control.is-invalid {
    border-color: #ef4444;
}

.password-input-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.2rem;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.password-toggle:hover {
    opacity: 1;
}

.form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.form-check-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.15);
}

.forgot-password-link,
.register-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-password-link:hover,
.register-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Alert Styles */
.alert {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        padding: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-pill {
        width: 100%;
        margin: 0.25rem 0;
    }
    
    .login-card-header,
    .login-card-body {
        padding: 1.5rem;
    }
    
    .login-title {
        font-size: 1.75rem;
    }
    
    .splash-header {
        padding: 1.5rem 0;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 6rem 0 3rem;
    }
    
    .login-card {
        margin: 1rem;
        border-radius: 15px;
    }
}

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

/* Focus styles for accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}