/* ====================================
   ASEM LLL Hub - Main CSS
   Unified Navigation & Common Styles
   ====================================== */

/* === CSS CUSTOM PROPERTIES (THEME COLORS) === */
:root {
    /* === ORIGINAL TEAL PALETTE (COMMENTED FOR REVERSION) === */
    /*
    --color-primary-teal: #1d7184;
    --color-primary-teal-light: #27a29a;
    --color-primary-teal-variant: #29afa0;
    --color-primary-teal-darker: #2a8a9e;
    --color-secondary-navy: #232d60;
    --color-secondary-navy-light: #185074;
    --color-secondary-navy-darker: #152860;
    --color-accent-gold: #c9be9d;
    --color-accent-gold-variant: #d4bb84;
    --color-accent-red: #de211c;
    --color-accent-red-light: #ff3a2d;
    */
    
    /* === NEW PINK/ROSE PALETTE === */
    /* Primary Brand Colors - Pink/Rose */
    --color-primary-teal: #DE5C8E;           /* Main brand pink (C0 M76 Y9 K8) */
    --color-primary-teal-light: #F6D9E1;     /* Light pink (C0 M15 Y2 K2) */
    --color-primary-teal-variant: #E67BA0;   /* Pink variant */
    --color-primary-teal-darker: #C54080;    /* Darker pink */
    
    /* Complementary Colors - Green/Mint */
    --color-secondary-navy: #5CDE8E;         /* Complementary green */
    --color-secondary-navy-light: #8EE5A8;   /* Light green */
    --color-secondary-navy-darker: #40C470;  /* Darker green */
    
    /* Analogous Colors */
    --color-accent-gold: #DE5CB4;            /* Purple-magenta analogous */
    --color-accent-gold-variant: #E67BC0;    /* Light purple variant */
    --color-accent-red: #DE8C5C;             /* Coral-peach analogous */
    --color-accent-red-light: #E6A67B;       /* Light coral */
    
    /* Background Colors */
    --color-bg-cream: #fdf8fa;               /* Soft pink-tinted cream */
    --color-bg-light-green: #f0f8f2;         /* Light mint background */
    --color-bg-light-gray: #f8f9fa;
    --color-bg-white: #ffffff;
    --color-bg-card: rgba(255, 255, 255, 0.8);
    --color-bg-overlay: rgba(255, 255, 255, 0.95);
    /* Additional Palette Colors */
    --color-accent-cream: #F6D9E1;           /* Using the light pink as cream */
    --color-accent-mint: #D9F6E1;            /* Complementary mint */
    
    /* Text Colors */
    --color-text-dark: #333333;
    --color-text-medium: #555555;
    --color-text-light: #666666;
    --color-text-lighter: #999999;
    --color-text-white: #ffffff;
    --color-text-white-90: rgba(255, 255, 255, 0.9);
    --color-text-white-80: rgba(255, 255, 255, 0.8);
    
    /* Border Colors */
    --color-border-light: #f2e6ea;           /* Pink-tinted border */
    --color-border-lighter: #f0f0f0;
    --color-border-cream: #F6D9E1;           /* Light pink border */
    --color-border-green: #e6f2ea;           /* Light mint border */
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary-teal) 0%, var(--color-primary-teal-darker) 100%);
    --gradient-primary-reverse: linear-gradient(135deg, var(--color-primary-teal-darker) 0%, var(--color-primary-teal) 100%);
    --gradient-hero: linear-gradient(90deg, #DE5C8E 0%, #5CDE8E 56%, #DE5CB4 100%);
    --gradient-navbar: linear-gradient(90deg, #DE5C8E 0%, #5CDE8E 56%, #DE5CB4 100%);
    --gradient-navbar-mobile: linear-gradient(180deg, rgba(222,92,142,0.98) 0%, rgba(92,222,142,0.98) 56%, rgba(222,92,180,0.98) 100%);
    --gradient-navy: linear-gradient(135deg, var(--color-secondary-navy) 0%, var(--color-primary-teal) 100%);
    --gradient-background: linear-gradient(90deg, var(--color-bg-cream) 0%, rgba(253,248,250,0) 100%);
    --gradient-body-light: linear-gradient(90deg, rgba(253,248,250,1) 0%, rgba(253,248,250,0) 100%);
    --gradient-background-light: linear-gradient(135deg, var(--color-bg-cream) 0%, var(--color-bg-light-green) 100%);
    --gradient-accent: linear-gradient(90deg, var(--color-primary-teal) 0%, var(--color-accent-red) 100%);
    --gradient-vertical: linear-gradient(180deg, var(--color-primary-teal) 0%, var(--color-secondary-navy) 100%);
    --overlay-hero: linear-gradient(135deg, rgba(222,92,180,0.7) 0%, rgba(222,92,142,0.7) 100%);
    
    /* Shadows */
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 20px rgba(0,0,0,0.15);
    --shadow-hover: 0 10px 30px rgba(0,0,0,0.15);
    --shadow-heavy: 0 8px 30px rgba(0,0,0,0.25);
    --shadow-primary: 0 4px 15px rgba(222, 92, 142, 0.3);
    --shadow-primary-hover: 0 6px 20px rgba(222, 92, 142, 0.4);
    
    /* Transitions */
    --transition-smooth: all 0.3s ease;
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Border Radius */
    --radius-small: 4px;
    --radius-medium: 8px;
    --radius-large: 12px;
    --radius-xl: 15px;
    --radius-pill: 25px;
    --radius-circle: 50%;
}

/* === RESET & BASE STYLES === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-primary-teal);
    color: var(--color-text-white);
    padding: 8px;
    text-decoration: none;
    border-radius: 0 0 4px 4px;
    z-index: 9999;
    font-size: 14px;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
}

/* === NAVIGATION STYLES === */
.asem-header {
    position: relative;
    background: var(--color-bg-white);
}

/* Top Bar */
.asem-top-bar {
    height: 300px;
    background-image: url('../images/cover.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    width: 100%;
}

/* Main Navigation */
.asem-main-nav {
    background: var(--color-bg-white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-light);
}

.asem-main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    flex-wrap: nowrap;
}

.asem-logo {
    flex-shrink: 0;
    margin-right: 20px;
}

.asem-logo img {
    height: 70px;
    width: auto;
    transition: transform 0.3s ease;
}

.asem-logo img:hover {
    transform: scale(1.05);
}

/* Navigation Menu */
.asem-nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
    flex-wrap: wrap;
    flex: 1;
    justify-content: flex-end;
}

.asem-nav-menu > li {
    position: relative;
    margin: 0 2px;
}

.asem-nav-menu > li > a {
    display: block;
    padding: 10px 14px;
    color: var(--color-text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    border-radius: 20px;
    position: relative;
    white-space: nowrap;
}

.asem-nav-menu > li > a:hover,
.asem-nav-menu > li.current > a {
    background: var(--gradient-primary);
    color: var(--color-text-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(29, 113, 132, 0.3);
}

/* Dropdown Menu */
.asem-nav-menu li.has-dropdown {
    position: relative;
}

.asem-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-bg-white);
    min-width: 250px;
    list-style: none;
    padding: 10px 0;
    margin: 0;
    border-radius: 8px;
    box-shadow: var(--shadow-medium);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-smooth);
    z-index: 1000;
    border-top: 3px solid var(--color-primary-teal);
}

.asem-nav-menu li.has-dropdown:hover .asem-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.asem-dropdown li {
    margin: 0;
}

.asem-dropdown li a {
    display: block;
    padding: 12px 20px;
    color: var(--color-text-dark);
    text-decoration: none;
    font-weight: 400;
    font-size: 14px;
    transition: all 0.3s ease;
}

.asem-dropdown li a:hover {
    background: var(--color-bg-light-gray);
    color: var(--color-primary-teal);
    padding-left: 25px;
}

/* Mobile Menu Toggle */
.asem-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-dark);
    cursor: pointer;
    padding: 10px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.asem-nav-toggle:hover {
    background: var(--color-bg-light-gray);
    color: var(--color-primary-teal);
}

.asem-nav-toggle i {
    display: block;
    transition: transform 0.3s ease;
}

/* Active state for mobile toggle */
.asem-nav-toggle.active i {
    transform: rotate(90deg);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1200px) {
    .asem-nav-menu > li > a {
        padding: 8px 12px;
        font-size: 13px;
    }
}

@media (max-width: 1024px) {
    .asem-logo img {
        height: 60px;
    }
    
    .asem-nav-menu > li > a {
        padding: 8px 10px;
        font-size: 12px;
    }
    
    .asem-nav-menu > li {
        margin: 0 1px;
    }
}

@media (max-width: 768px) {
    .asem-top-bar {
        height: 200px;
    }

    .asem-main-nav {
        padding: 10px 0;
    }

    .asem-nav-toggle {
        display: block;
    }

    .asem-nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all 0.3s ease;
        border-top: 1px solid #eee;
        max-height: 0;
        overflow: hidden;
    }

    .asem-nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        max-height: 500px;
    }

    .asem-nav-menu > li {
        margin: 0;
        width: 100%;
    }

    .asem-nav-menu > li > a {
        padding: 15px 20px;
        border-radius: 8px;
        margin: 5px 0;
        text-align: left;
        font-size: 16px;
    }

    /* Mobile Dropdown */
    .asem-dropdown {
        position: static;
        width: 100%;
        box-shadow: none;
        background: var(--color-bg-light-gray);
        margin: 5px 0;
        border: none;
        border-radius: 8px;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: all 0.3s ease;
    }

    .asem-nav-menu li.has-dropdown.active .asem-dropdown {
        opacity: 1;
        max-height: 200px;
        padding: 10px 0;
    }

    .asem-dropdown li a {
        padding: 10px 25px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .asem-logo img {
        height: 50px;
    }

    .asem-nav-menu > li > a {
        padding: 12px 15px;
        font-size: 15px;
    }

    .asem-contact-info {
        font-size: 11px;
    }
}

/* === UTILITY CLASSES === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--gradient-primary);
    color: var(--color-text-white);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
    background: var(--gradient-primary-reverse);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary-teal);
    border: 2px solid var(--color-primary-teal);
}

.btn-secondary:hover {
    background: var(--color-primary-teal);
    color: var(--color-text-white);
}

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

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

/* === 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: 0;
}

/* Focus styles */
a:focus,
button:focus {
    outline: 2px solid var(--color-primary-teal);
    outline-offset: 2px;
}

/* === FOOTER STYLES === */
.asem-footer {
    background: var(--gradient-primary);
    color: var(--color-text-white);
    margin-top: auto;
}

.asem-footer-widgets {
    padding: 60px 0 40px;
}

.asem-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.asem-footer-column {
    display: flex;
    flex-direction: column;
}

.asem-footer-column h3,
.asem-footer-column h4 {
    color: var(--color-accent-gold);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
}

.asem-footer-column h3:after,
.asem-footer-column h4:after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--color-accent-gold);
}

.asem-footer-nav ul,
.asem-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.asem-footer-nav li,
.asem-footer-links li {
    margin-bottom: 12px;
}

.asem-footer-nav a,
.asem-footer-links a {
    color: var(--color-border-light);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    padding-left: 0;
}

.asem-footer-nav a:hover,
.asem-footer-links a:hover {
    color: var(--color-accent-gold);
    padding-left: 10px;
}

.asem-footer-nav a:before,
.asem-footer-links a:before {
    content: '→';
    position: absolute;
    left: -15px;
    opacity: 0;
    transition: all 0.3s ease;
}

.asem-footer-nav a:hover:before,
.asem-footer-links a:hover:before {
    opacity: 1;
    left: -10px;
}

.asem-footer-contact {
    line-height: 1.8;
    color: var(--color-border-light);
}

.asem-footer-contact p {
    margin-bottom: 15px;
}

.asem-footer-contact a {
    color: var(--color-accent-gold);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.asem-footer-contact a:hover {
    color: var(--color-text-white);
}

.asem-footer-logos {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
}

.asem-footer-logo,
.asem-footer-partners {
    max-width: 200px;
    height: auto;
    transition: transform 0.3s ease;
    filter: brightness(0.9);
}

.asem-footer-logo:hover,
.asem-footer-partners:hover {
    transform: scale(1.05);
    filter: brightness(1);
}

.asem-footer-description {
    color: var(--color-border-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Footer Bottom */
.asem-footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: 25px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.asem-footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.asem-footer-copyright {
    color: var(--color-text-white-80);
    font-size: 13px;
    line-height: 1.5;
}

.asem-footer-copyright a {
    color: var(--color-accent-gold);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.asem-footer-copyright a:hover {
    color: var(--color-text-white);
}

.asem-social-links {
    display: flex;
    gap: 15px;
}

.asem-social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-white);
    text-decoration: none;
    border-radius: 50%;
    transition: all 0.3s ease;
    font-size: 16px;
}

.asem-social-links a:hover {
    background: var(--color-accent-gold);
    color: var(--color-primary-teal);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(201, 190, 157, 0.3);
}

/* Footer Responsive */
@media (max-width: 768px) {
    .asem-footer-widgets {
        padding: 40px 0 30px;
    }
    
    .asem-footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 30px;
    }
    
    .asem-footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .asem-footer-logos {
        align-items: center;
    }
    
    .asem-social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .asem-footer-widgets {
        padding: 30px 0 20px;
    }
    
    .asem-footer-grid {
        gap: 25px;
    }
    
    .asem-footer-column h3,
    .asem-footer-column h4 {
        font-size: 16px;
        text-align: center;
    }
    
    .asem-footer-column h3:after,
    .asem-footer-column h4:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .asem-footer-nav,
    .asem-footer-links {
        text-align: center;
    }
    
    .asem-footer-contact {
        text-align: center;
    }
}

/* === PRINT STYLES === */
@media print {
    .asem-header,
    .asem-nav-toggle,
    .asem-footer,
    .skip-link {
        display: none;
    }
}