/* ==================== CSS VARIABLES ==================== */
:root {
    --redev-primary: #f8fafc;
    --redev-secondary: #f1f5f9;
    --redev-accent: #4338ca;
    --redev-accent-light: #6366f1;
    --redev-accent-glow: rgba(67, 56, 202, 0.1);
    --redev-neon-blue: #0ea5e9;
    --redev-neon-purple: #818cf8;
    --redev-neon-pink: #c084fc;
    --redev-text-dark: #0f172a;
    --redev-text-light: #ffffff;
    --redev-text-muted: #64748b;
    --redev-dot-primary: #4338ca;
    --redev-dot-accent: #6366f1;
    --redev-dot-info: #0ea5e9;
    --redev-dot-secondary: #818cf8;
    --redev-gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --redev-gradient-accent: linear-gradient(135deg, #4338ca 0%, #0ea5e9 100%);
    --redev-gradient-glow: linear-gradient(135deg, #0ea5e9 0%, #6366f1 50%, #4338ca 100%);
    --redev-glass-bg: rgba(15, 23, 42, 0.85);
    /* Dark Glass for inner elements */
    --redev-glass-border: rgba(255, 255, 255, 0.1);
    --redev-shadow-glow: 0 20px 50px rgba(0, 0, 0, 0.2);
    --redev-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --redev-font: 'Plus Jakarta Sans', sans-serif;
}

/* ==================== HEADER STYLES (ARC DESIGN) ==================== */
.redev-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0;
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    will-change: padding;
}

.redev-header-arc {
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 110px;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 0 0 50% 50%;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: all;
    will-change: width, height, top, border-radius, box-shadow, background;
}

.redev-header.scrolled .redev-header-arc {
    background: rgba(255, 255, 255, 0.98);
    width: 90%;
    height: 75px;
    top: 15px;
    border-radius: 38px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.18);
}

.redev-navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 60px;
    height: 95px;
    position: relative;
    top: 0;
    z-index: 1;
    width: 100%;
    margin: 0 auto;
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: all;
    will-change: height, width, top, padding;
}

.redev-header.scrolled .redev-navbar {
    width: 90%;
    height: 75px;
    top: 15px;
    padding: 0 45px;
}

.redev-header.scrolled .redev-logo-img {
    width: 44px;
    height: 44px;
}

.redev-header.scrolled .redev-logo-ring {
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
}

.redev-header.scrolled .redev-logo-text {
    font-size: 16px;
    letter-spacing: 1px;
}

.redev-header.scrolled .redev-login-btn {
    padding: 8px 18px;
    font-size: 12px;
}

.redev-header.scrolled .redev-menu-toggle {
    width: 42px;
    height: 42px;
    border-radius: 12px;
}

.redev-header.scrolled .redev-toggle-dots {
    width: 18px;
    height: 18px;
}

.redev-logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1002;
}

.redev-logo-img {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    position: relative;
    overflow: visible;
    transition: var(--redev-transition);
}

.redev-logo-img img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: var(--redev-transition);
}

.redev-logo-ring {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    border: 2px dashed var(--redev-accent);
    animation: redevRingSpin 10s linear infinite;
    transition: var(--redev-transition);
}

.redev-logo-text {
    font-family: var(--redev-font);
    font-size: 18px;
    font-weight: 800;
    color: var(--redev-text-dark);
    letter-spacing: 1.5px;
    transition: var(--redev-transition);
}

.redev-logo:hover .redev-logo-img img {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(67, 56, 202, 0.2);
}

.redev-logo:hover .redev-logo-ring {
    border-color: var(--redev-neon-purple);
    animation-duration: 3s;
}

.redev-logo:hover .redev-logo-text {
    color: var(--redev-accent);
}

.redev-header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.redev-login-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--redev-font);
    font-size: 14px;
    font-weight: 600;
    color: var(--redev-text-light);
    background: var(--redev-gradient-accent);
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    transition: var(--redev-transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(67, 56, 202, 0.2);
}

.redev-login-btn i {
    font-size: 18px;
}

.redev-login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: 0.5s;
}

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

.redev-login-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 30px rgba(67, 56, 202, 0.3);
    color: var(--redev-text-light);
}

.redev-menu-toggle {
    width: 50px;
    height: 50px;
    background: #ffffff;
    border: 2px solid rgba(15, 23, 42, 0.1);
    border-radius: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    z-index: 1002;
    transition: var(--redev-transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.redev-toggle-dots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    width: 22px;
    height: 22px;
}

.redev-toggle-dots span {
    width: 5px;
    height: 5px;
    background: var(--redev-text-dark);
    border-radius: 50%;
    transition: var(--redev-transition);
}

.redev-menu-toggle:hover {
    background: var(--redev-gradient-accent);
    border-color: var(--redev-accent);
    transform: rotate(90deg);
    box-shadow: 0 8px 25px rgba(67, 56, 202, 0.3);
}

.redev-menu-toggle:hover .redev-toggle-dots span {
    background: var(--redev-text-light);
}

.redev-menu-toggle.active {
    background: var(--redev-gradient-accent);
    border-color: var(--redev-accent);
}

.redev-menu-toggle.active .redev-toggle-dots span {
    background: var(--redev-text-light);
}

.redev-menu-toggle.active .redev-toggle-dots span:nth-child(2),
.redev-menu-toggle.active .redev-toggle-dots span:nth-child(4),
.redev-menu-toggle.active .redev-toggle-dots span:nth-child(6),
.redev-menu-toggle.active .redev-toggle-dots span:nth-child(8) {
    opacity: 0;
    transform: scale(0);
}

.redev-menu-toggle.active .redev-toggle-dots span:nth-child(1) {
    transform: translate(7px, 7px);
}

.redev-menu-toggle.active .redev-toggle-dots span:nth-child(3) {
    transform: translate(-7px, 7px);
}

.redev-menu-toggle.active .redev-toggle-dots span:nth-child(7) {
    transform: translate(7px, -7px);
}

.redev-menu-toggle.active .redev-toggle-dots span:nth-child(9) {
    transform: translate(-7px, -7px);
}

@keyframes redevRingSpin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ==================== DROPDOWN MENU ==================== */
.redev-dropdown-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 450px;
    height: 100vh;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    z-index: 1000;
    transform: none;
    clip-path: circle(0% at 90% 5%);
    transition: clip-path 1s cubic-bezier(0.77, 0, 0.175, 1);
    display: flex;
    flex-direction: column;
    border-left: 1px solid rgba(255, 255, 255, 0.05);
}

.redev-dropdown-menu.active {
    clip-path: circle(150% at 90% 5%);
    pointer-events: all;
}

.redev-menu-content {
    width: 100%;
    height: 100%;
    position: relative;
    padding: 120px 60px;
    display: flex;
    flex-direction: column;
    z-index: 10;
    transition: transform 1s cubic-bezier(0.77, 0, 0.175, 1);
    transform: translateX(40px);
}

.redev-dropdown-menu.active .redev-menu-content {
    transform: translateX(0);
}

.redev-menu-close {
    position: absolute;
    top: 25px;
    right: 40px;
    width: 50px;
    height: 50px;
    background: var(--redev-glass-bg);
    border: 1px solid var(--redev-glass-border);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1003;
    transition: var(--redev-transition);
}

.redev-menu-close span {
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--redev-text-light);
    transition: var(--redev-transition);
}

.redev-menu-close span:first-child {
    transform: rotate(45deg);
}

.redev-menu-close span:last-child {
    transform: rotate(-45deg);
}

.redev-menu-close:hover {
    background: var(--redev-accent);
    transform: rotate(90deg);
}

.redev-menu-nav {
    text-align: left;
    width: 100%;
}

.redev-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
}

.redev-menu-item {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.redev-dropdown-menu.active .redev-menu-item {
    opacity: 1;
    transform: translateX(0);
}

.redev-dropdown-menu.active .redev-menu-item {
    transition-delay: calc(0.1s * var(--item-index, 1) + 0.3s);
}

.redev-menu-link {
    font-family: var(--redev-font);
    font-size: 24px;
    font-weight: 700;
    color: var(--redev-text-light);
    text-decoration: none;
    letter-spacing: 1.5px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-transform: uppercase;
    padding: 12px 0;
    position: relative;
}

.redev-menu-link::before {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 25px;
    width: 0;
    height: 3px;
    background: var(--redev-gradient-glow);
    transition: var(--redev-transition);
}

.redev-menu-link:hover {
    color: var(--redev-accent);
    transform: translateX(10px);
}

.redev-menu-link:hover::before {
    width: calc(100% - 50px);
}

.redev-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: inline-block;
    transition: var(--redev-transition);
    box-shadow: 0 0 10px currentColor;
}

.redev-dot-primary {
    background-color: var(--redev-dot-primary);
    box-shadow: 0 0 15px var(--redev-dot-primary);
}

.redev-dot-accent {
    background-color: var(--redev-dot-accent);
    box-shadow: 0 0 15px var(--redev-dot-accent);
}

.redev-dot-info {
    background-color: var(--redev-dot-info);
    box-shadow: 0 0 15px var(--redev-dot-info);
}

.redev-dot-secondary {
    background-color: var(--redev-dot-secondary);
    box-shadow: 0 0 15px var(--redev-dot-secondary);
}

.redev-menu-link:hover .redev-dot {
    transform: scale(1.5);
    box-shadow: 0 0 25px currentColor;
}

/* ==================== COMPLETE RESPONSIVE SYSTEM ==================== */

@media (max-width: 991.98px) {
    .redev-header-arc {
        width: 160%;
        height: 100px;
    }

    .redev-dropdown-menu {
        width: 100%;
    }

    .redev-navbar {
        padding: 0 40px;
        height: 85px;
    }

    .redev-menu-content {
        padding: 100px 40px;
    }

    .redev-menu-link {
        font-size: 24px;
    }

    .redev-header.scrolled .redev-header-arc {
        width: 95%;
        height: 70px;
    }

    .redev-header.scrolled .redev-navbar {
        width: 95%;
        height: 70px;
        padding: 0 30px;
    }
}

/* MOBILE FIX: Consistent professional icon styling */
@media (max-width: 767.98px) {
    .redev-header-arc {
        height: 85px;
        width: 180%;
    }

    .redev-navbar {
        padding: 0 20px;
        height: 75px;
    }

    .redev-header-actions {
        gap: 8px; /* Tighter gap to prevent crowding */
    }

    /* Force Login/Admin/Profile Buttons into Perfect Circles on Mobile */
    .redev-login-btn {
        width: 42px;
        height: 42px;
        padding: 0 !important;
        border-radius: 50% !important;
        justify-content: center;
        flex-shrink: 0;
    }

    .redev-login-btn span {
        display: none; /* Remove text artifacts */
    }

    .redev-login-btn i {
        margin: 0;
        font-size: 20px;
    }

    /* Match Menu Toggle size with buttons */
    .redev-menu-toggle {
        width: 42px;
        height: 42px;
        border-radius: 12px;
    }

    .redev-logo-img {
        width: 45px;
        height: 45px;
    }

    .redev-logo-text {
        display: none; /* Hide text for a cleaner mobile interface */
    }

    .redev-header.scrolled .redev-navbar,
    .redev-header.scrolled .redev-header-arc {
        width: 96%;
        height: 60px;
        top: 8px;
    }
}

@media (max-width: 575.98px) {
    .redev-header-arc {
        width: 200%; /* Wider arc for maintaining curvature */
        height: 80px;
    }

    .redev-navbar {
        padding: 0 15px;
        height: 70px;
    }

    .redev-logo-img {
        width: 40px;
        height: 40px;
    }

    .redev-menu-link {
        font-size: 20px;
        letter-spacing: 1px;
    }

    .redev-menu-content {
        padding: 80px 25px;
    }

    .redev-menu-close {
        top: 15px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}