@font-face {
    font-family: 'Kalameh';
    src: url('/assets/fonts/KalamehWeb_Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* Reset box-sizing for header */
.vineh-header,
.vineh-header *,
.vineh-header *::before,
.vineh-header *::after {
    box-sizing: border-box;
}

.vineh-header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 999999 !important;
    padding: 20px 40px !important;
    font-family: 'Kalameh', sans-serif !important;
    backdrop-filter: blur(2px) !important;
    -webkit-backdrop-filter: blur(2px) !important;
    width: 100% !important;
    max-width: 100vw !important;
    height: 125px !important;
    overflow: visible !important;
}

.header-content {
    position: relative;
    width: 100%;
    height: 85px;
    direction: rtl;
}

.logo-circle {
    position: absolute;
    right: 0;
    top: 0;
    width: 85px;
    height: 85px;
    border-radius: 50%;
    cursor: pointer;
    transition: all .4s cubic-bezier(.4, 0, .2, 1);
    background: linear-gradient(135deg, rgba(255, 255, 255, .3) 0%, rgba(255, 255, 255, .15) 100%);
    border: 2px solid rgba(255, 255, 255, .3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, .2), inset 0 2px 4px rgba(255, 255, 255, .4), inset 0 -2px 4px rgba(0, 0, 0, .15);
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-img {
    width: 90%;
    height: 90%;
    object-fit: contain;
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
    background: rgba(255, 255, 255, .1);
}

.logo-circle::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 10%;
    width: 60%;
    height: 50%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, .4) 0%, transparent 100%);
    border-radius: 50% 50% 0 0;
    filter: blur(8px);
    pointer-events: none;
}

.logo-circle::after {
    content: '';
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, .5), transparent 70%);
    opacity: 0;
    filter: blur(20px);
    transition: opacity .4s ease;
    z-index: -1;
}

.logo-circle:hover {
    transform: translateY(-3px);
}

.logo-circle:hover::after {
    opacity: 1;
}

.nav-ellipse {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 10px 40px;
    border-radius: 100px;
    background: linear-gradient(135deg, rgba(255, 255, 255, .25) 0%, rgba(255, 255, 255, .15) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, .25);
    box-shadow: 0 15px 60px rgba(0, 0, 0, .15), inset 0 3px 8px rgba(255, 255, 255, .4), inset 0 -3px 8px rgba(0, 0, 0, .12);
    white-space: nowrap;
}

.nav-ellipse::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, .3) 0%, transparent 100%);
    border-radius: 100px 100px 0 0;
    filter: blur(10px);
    pointer-events: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 50px;
    text-decoration: none;
    color: #000;
    font-weight: 700;
    font-size: 20px;
    transition: all .3s ease;
    position: relative;
    z-index: 2;
    cursor: pointer;
    font-family: 'Kalameh', sans-serif;
}

.water-drop {
    position: absolute;
    inset: 0;
    border-radius: 50px;
    opacity: 0;
    transform: scale(.8);
    transition: all .5s cubic-bezier(.34, 1.56, .64, 1);
    pointer-events: none;
    z-index: 1;
    background: linear-gradient(135deg, rgba(255, 255, 255, .5) 0%, rgba(255, 255, 255, .3) 50%, rgba(255, 255, 255, .45) 100%);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 2.5px solid rgba(255, 255, 255, .5);
    box-shadow: 0 12px 40px rgba(99, 102, 241, .3), inset 0 4px 12px rgba(255, 255, 255, .6), inset 0 -4px 12px rgba(0, 0, 0, .2);
}

.water-drop::before {
    content: '';
    position: absolute;
    top: 5%;
    left: 20%;
    width: 40%;
    height: 30%;
    background: radial-gradient(ellipse at top, rgba(255, 255, 255, .8) 0%, rgba(255, 255, 255, .5) 40%, transparent 70%);
    border-radius: 50%;
    filter: blur(8px);
}

.nav-item:hover .water-drop,
.nav-item.active .water-drop {
    opacity: 1;
    transform: scale(1);
}

.nav-item:hover .nav-link,
.nav-item.active .nav-link {
    color: #4f46e5;
    transform: translateY(-1px);
}

.nav-icon {
    width: 18px;
    height: 18px;
    stroke-width: 2.5;
    flex-shrink: 0;
}

.auth-container {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: 25px;
}

.auth-circle {
    width: 70px;
    height: 70px;
    min-width: 70px;
    border-radius: 50px;
    position: relative;
    cursor: pointer;
    transition: all .5s cubic-bezier(.34, 1.56, .64, 1);
    background: linear-gradient(135deg, rgba(255, 255, 255, .3) 0%, rgba(255, 255, 255, .15) 100%);
    border: 2px solid rgba(255, 255, 255, .3);
    box-shadow: 0 8px 35px rgba(0, 0, 0, .18), inset 0 2px 4px rgba(255, 255, 255, .4), inset 0 -2px 4px rgba(0, 0, 0, .15);
}

.auth-circle::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 15%;
    width: 50%;
    height: 45%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, .4) 0%, transparent 100%);
    border-radius: 50% 50% 0 0;
    filter: blur(6px);
    pointer-events: none;
    z-index: 2;
}

.auth-circle::after {
    content: '';
    position: absolute;
    inset: -18px;
    border-radius: 50px;
    opacity: 0;
    filter: blur(18px);
    transition: opacity .4s ease;
    z-index: -1;
}

.auth-circle.signup::after {
    background: radial-gradient(ellipse, rgba(99, 102, 241, .7), transparent 70%);
}

.auth-circle.login::after {
    background: radial-gradient(ellipse, rgba(147, 51, 234, .7), transparent 70%);
}

.auth-circle:hover {
    width: 150px;
}

.auth-circle:hover::after {
    opacity: 1;
}

.auth-content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all .5s cubic-bezier(.34, 1.56, .64, 1);
    padding: 0 15px;
}

.auth-circle:hover .auth-content {
    justify-content: center;
}

.auth-icon {
    width: 26px;
    height: 26px;
    stroke-width: 2.5;
    transition: all .4s ease;
    flex-shrink: 0;
    color: #000;
}

.auth-circle:hover .auth-icon {
    transform: scale(.9);
}

.auth-text {
    font-weight: 800;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-10px);
    transition: all .5s cubic-bezier(.34, 1.56, .64, 1);
    color: #000;
    text-decoration: none;
}

.auth-circle:hover .auth-text {
    opacity: 1;
    transform: translateX(0);
}

/* Hamburger Menu Button */
.hamburger-btn {
    display: none;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, .9) 0%, rgba(255, 255, 255, .8) 100%);
    border: 2px solid rgba(255, 255, 255, .4);
    box-shadow: 0 8px 25px rgba(0, 0, 0, .2), inset 0 2px 4px rgba(255, 255, 255, .5);
    cursor: pointer;
    z-index: 1000001;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    transition: all .3s ease;
}

.hamburger-btn:hover {
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
}

.hamburger-line {
    width: 24px;
    height: 3px;
    background: #000;
    border-radius: 2px;
    transition: all .3s ease;
}

.hamburger-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Side Menu */
.side-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    height: 100dvh;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
    box-shadow: -5px 0 30px rgba(0, 0, 0, .3);
    z-index: 1000000;
    transition: right .4s cubic-bezier(.4, 0, .2, 1);
    overflow-y: auto;
    padding: 30px;
    display: flex;
    flex-direction: column;
}

.side-menu.active {
    right: 0;
}

.side-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: rgba(0, 0, 0, .5);
    z-index: 999999;
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
}

.side-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ========== دکمه بستن (ضربدر) - جدید ========== */
.close-menu-btn {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(239, 68, 68, .12) 0%, rgba(220, 38, 38, .08) 100%);
    border: 2px solid rgba(239, 68, 68, .25);
    box-shadow: 0 4px 15px rgba(239, 68, 68, .15);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all .3s ease;
    z-index: 10;
}

.close-menu-btn:hover {
    background: linear-gradient(135deg, rgba(239, 68, 68, .25) 0%, rgba(220, 38, 38, .18) 100%);
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 6px 20px rgba(239, 68, 68, .3);
}

.close-menu-btn:active {
    transform: scale(0.95) rotate(90deg);
}

.close-menu-btn .close-icon {
    width: 22px;
    height: 22px;
    stroke-width: 2.5;
    color: #dc2626;
    transition: color .3s ease;
}

.close-menu-btn:hover .close-icon {
    color: #b91c1c;
}
/* ========== پایان دکمه بستن ========== */

/* Side Menu Header with Logo */
.side-menu-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    padding: 15px 0 25px;
    margin-top: 30px;
    border-bottom: 2px solid rgba(99, 102, 241, .15);
}

.side-menu-logo {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, .6) 0%, rgba(255, 255, 255, .4) 100%);
    border: 3px solid rgba(99, 102, 241, .25);
    box-shadow: 0 8px 25px rgba(99, 102, 241, .15);
    display: flex;
    justify-content: center;
    align-items: center;
}

.side-menu-logo img {
    width: 85%;
    height: 85%;
    object-fit: contain;
    border-radius: 50%;
}

.side-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.side-nav-item {
    position: relative;
}

.side-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-radius: 16px;
    text-decoration: none;
    color: #1f2937;
    font-weight: 700;
    font-size: 18px;
    transition: all .3s ease;
    background: rgba(99, 102, 241, .05);
    border: 2px solid transparent;
    font-family: 'Kalameh', sans-serif;
}

.side-nav-link:hover,
.side-nav-item.active .side-nav-link {
    background: linear-gradient(135deg, rgba(99, 102, 241, .15) 0%, rgba(147, 51, 234, .12) 100%);
    border-color: rgba(99, 102, 241, .3);
    color: #4f46e5;
    transform: translateX(-5px);
}

.side-nav-icon {
    width: 22px;
    height: 22px;
    stroke-width: 2.5;
    flex-shrink: 0;
}

.side-auth-buttons {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 30px;
    border-top: 2px solid rgba(99, 102, 241, .2);
}

.side-auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 24px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 16px;
    text-decoration: none;
    cursor: pointer;
    transition: all .3s ease;
    border: 2px solid;
    font-family: 'Kalameh', sans-serif;
}

.side-auth-btn.signup {
    background: linear-gradient(135deg, rgba(99, 102, 241, .2) 0%, rgba(99, 102, 241, .1) 100%);
    color: #4f46e5;
    border-color: rgba(99, 102, 241, .3);
}

.side-auth-btn.signup:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, .3) 0%, rgba(99, 102, 241, .2) 100%);
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(99, 102, 241, .3);
}

.side-auth-btn.login {
    background: linear-gradient(135deg, rgba(147, 51, 234, .2) 0%, rgba(147, 51, 234, .1) 100%);
    color: #9333ea;
    border-color: rgba(147, 51, 234, .3);
}

.side-auth-btn.login:hover {
    background: linear-gradient(135deg, rgba(147, 51, 234, .3) 0%, rgba(147, 51, 234, .2) 100%);
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(147, 51, 234, .3);
}

.side-auth-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
}

.copyright {
    margin-top: auto;
    padding-top: 30px;
    text-align: center;
    font-size: 11px;
    line-height: 1.4;
    color: #9ca3af;
}

/* ========== Responsive ========== */
@media(max-width: 1200px) {
    .nav-ellipse {
        padding: 8px 30px;
    }
    .nav-link {
        padding: 10px 16px;
        font-size: 13px;
    }
}

@media(max-width: 1024px) {
    .logo-circle {
        width: 70px;
        height: 70px;
    }
    .auth-circle {
        width: 60px;
        height: 60px;
        min-width: 60px;
    }
    .auth-circle:hover {
        width: 130px;
    }
    .nav-ellipse {
        padding: 8px 25px;
    }
    .nav-link {
        padding: 10px 14px;
        font-size: 13px;
        gap: 6px;
    }
}

@media(max-width: 900px) {
    .nav-link span {
        display: none;
    }
    .nav-ellipse {
        padding: 8px 20px;
    }
    .nav-link {
        padding: 10px 12px;
    }
}

@media(max-width: 768px) {
    html, body {
        overflow-x: hidden;
    }
    
    .vineh-header {
        padding: 15px 20px !important;
        height: 80px !important;
        background: rgba(255, 255, 255, 1) !important;
        backdrop-filter: none !important;
        box-shadow: 0 2px 10px rgba(0, 0, 0, .1);
        max-width: 100vw !important;
    }
    
    .header-content {
        height: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .logo-circle {
        position: relative;
        right: auto;
        top: auto;
        width: 50px;
        height: 50px;
        transform: none !important;
        flex-shrink: 0;
    }
    
    .logo-circle:hover {
        transform: none !important;
    }
    
    .nav-ellipse {
        display: none;
    }
    
    .auth-container {
        display: none;
    }
    
    .hamburger-btn {
        display: flex;
        right: auto;
        left: 0;
    }
    
    .side-menu {
        width: 85%;
        max-width: 320px;
    }
}

@media(max-width: 480px) {
    .vineh-header {
        padding: 12px 15px !important;
    }
    
    .side-menu {
        width: 90%;
    }
    
    .close-menu-btn {
        top: 15px;
        left: 15px;
        width: 40px;
        height: 40px;
    }
    
    .close-menu-btn .close-icon {
        width: 20px;
        height: 20px;
    }
}
        @font-face {
            font-family: 'Kalameh';
            src: url('/assets/fonts/KalamehWeb_Bold.woff2') format('woff2');
            font-weight: 700;
            font-style: normal;
            font-display: swap;
        }
        
        .vineh-header {
            position: fixed !important;
            top: 0 !important;
            left: 0 !important;
            right: 0 !important;
            z-index: 999999 !important;
            padding: 20px 40px !important;
            font-family: 'Kalameh', sans-serif !important;
            backdrop-filter: blur(2px) !important;
            -webkit-backdrop-filter: blur(2px) !important;
            width: 100% !important;
            height: 125px !important;
            overflow: visible !important;
        }

        .header-content {
            position: relative;
            width: 100%;
            height: 85px;
            direction: rtl;
        }

        .logo-circle {
            position: absolute;
            right: 0;
            top: 0;
            width: 85px;
            height: 85px;
            border-radius: 50%;
            cursor: pointer;
            transition: all .4s cubic-bezier(.4, 0, .2, 1);
            background: linear-gradient(135deg, rgba(255, 255, 255, .3) 0%, rgba(255, 255, 255, .15) 100%);
            border: 2px solid rgba(255, 255, 255, .3);
            box-shadow: 0 10px 40px rgba(0, 0, 0, .2), inset 0 2px 4px rgba(255, 255, 255, .4), inset 0 -2px 4px rgba(0, 0, 0, .15);
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .logo-img {
            width: 90%;
            height: 90%;
            object-fit: contain;
            border-radius: 50%;
            z-index: 1;
            pointer-events: none;
            background: rgba(255, 255, 255, .1);
        }

        .logo-circle::before {
            content: '';
            position: absolute;
            top: -2px;
            left: 10%;
            width: 60%;
            height: 50%;
            background: linear-gradient(to bottom, rgba(255, 255, 255, .4) 0%, transparent 100%);
            border-radius: 50% 50% 0 0;
            filter: blur(8px);
            pointer-events: none;
        }

        .logo-circle::after {
            content: '';
            position: absolute;
            inset: -20px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(99, 102, 241, .5), transparent 70%);
            opacity: 0;
            filter: blur(20px);
            transition: opacity .4s ease;
            z-index: -1;
        }

        .logo-circle:hover {
            transform: translateY(-3px);
        }

        .logo-circle:hover::after {
            opacity: 1;
        }

        .nav-ellipse {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            padding: 10px 40px;
            border-radius: 100px;
            background: linear-gradient(135deg, rgba(255, 255, 255, .25) 0%, rgba(255, 255, 255, .15) 100%);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 2px solid rgba(255, 255, 255, .25);
            box-shadow: 0 15px 60px rgba(0, 0, 0, .15), inset 0 3px 8px rgba(255, 255, 255, .4), inset 0 -3px 8px rgba(0, 0, 0, .12);
            white-space: nowrap;
        }

        .nav-ellipse::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to bottom, rgba(255, 255, 255, .3) 0%, transparent 100%);
            border-radius: 100px 100px 0 0;
            filter: blur(10px);
            pointer-events: none;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: 50px;
            text-decoration: none;
            color: #000;
            font-weight: 700;
            font-size: 20px;
            transition: all .3s ease;
            position: relative;
            z-index: 2;
            cursor: pointer;
            font-family: 'Kalameh', sans-serif;
        }

        .water-drop {
            position: absolute;
            inset: 0;
            border-radius: 50px;
            opacity: 0;
            transform: scale(.8);
            transition: all .5s cubic-bezier(.34, 1.56, .64, 1);
            pointer-events: none;
            z-index: 1;
            background: linear-gradient(135deg, rgba(255, 255, 255, .5) 0%, rgba(255, 255, 255, .3) 50%, rgba(255, 255, 255, .45) 100%);
            backdrop-filter: blur(25px);
            -webkit-backdrop-filter: blur(25px);
            border: 2.5px solid rgba(255, 255, 255, .5);
            box-shadow: 0 12px 40px rgba(99, 102, 241, .3), inset 0 4px 12px rgba(255, 255, 255, .6), inset 0 -4px 12px rgba(0, 0, 0, .2);
        }

        .water-drop::before {
            content: '';
            position: absolute;
            top: 5%;
            left: 20%;
            width: 40%;
            height: 30%;
            background: radial-gradient(ellipse at top, rgba(255, 255, 255, .8) 0%, rgba(255, 255, 255, .5) 40%, transparent 70%);
            border-radius: 50%;
            filter: blur(8px);
        }

        .nav-item:hover .water-drop,
        .nav-item.active .water-drop {
            opacity: 1;
            transform: scale(1);
        }

        .nav-item:hover .nav-link,
        .nav-item.active .nav-link {
            color: #4f46e5;
            transform: translateY(-1px);
        }

        .nav-icon {
            width: 18px;
            height: 18px;
            stroke-width: 2.5;
            flex-shrink: 0;
        }

        .auth-container {
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            display: flex;
            align-items: center;
            gap: 16px;
            margin-left: 25px;
        }

        .auth-circle {
            width: 70px;
            height: 70px;
            min-width: 70px;
            border-radius: 50px;
            position: relative;
            cursor: pointer;
            transition: all .5s cubic-bezier(.34, 1.56, .64, 1);
            background: linear-gradient(135deg, rgba(255, 255, 255, .3) 0%, rgba(255, 255, 255, .15) 100%);
            border: 2px solid rgba(255, 255, 255, .3);
            box-shadow: 0 8px 35px rgba(0, 0, 0, .18), inset 0 2px 4px rgba(255, 255, 255, .4), inset 0 -2px 4px rgba(0, 0, 0, .15);
        }

        .auth-circle::before {
            content: '';
            position: absolute;
            top: -2px;
            left: 15%;
            width: 50%;
            height: 45%;
            background: linear-gradient(to bottom, rgba(255, 255, 255, .4) 0%, transparent 100%);
            border-radius: 50% 50% 0 0;
            filter: blur(6px);
            pointer-events: none;
            z-index: 2;
        }

        .auth-circle::after {
            content: '';
            position: absolute;
            inset: -18px;
            border-radius: 50px;
            opacity: 0;
            filter: blur(18px);
            transition: opacity .4s ease;
            z-index: -1;
        }

        .auth-circle.signup::after {
            background: radial-gradient(ellipse, rgba(99, 102, 241, .7), transparent 70%);
        }

        .auth-circle.login::after {
            background: radial-gradient(ellipse, rgba(147, 51, 234, .7), transparent 70%);
        }

        .auth-circle:hover {
            width: 150px;
        }

        .auth-circle:hover::after {
            opacity: 1;
        }

        .auth-content {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            gap: 5px;
            transition: all .5s cubic-bezier(.34, 1.56, .64, 1);
            padding: 0 15px;
        }

        .auth-circle:hover .auth-content {
            justify-content: center;
        }

        .auth-icon {
            width: 26px;
            height: 26px;
            stroke-width: 2.5;
            transition: all .4s ease;
            flex-shrink: 0;
            color: #000;
        }

        .auth-circle:hover .auth-icon {
            transform: scale(.9);
        }

        .auth-text {
            font-weight: 800;
            font-size: 14px;
            white-space: nowrap;
            opacity: 0;
            transform: translateX(-10px);
            transition: all .5s cubic-bezier(.34, 1.56, .64, 1);
            color: #000;
        }

        .auth-circle:hover .auth-text {
            opacity: 1;
            transform: translateX(0);
        }

        /* Hamburger Menu Button */
        .hamburger-btn {
            display: none;
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(255, 255, 255, .9) 0%, rgba(255, 255, 255, .8) 100%);
            border: 2px solid rgba(255, 255, 255, .4);
            box-shadow: 0 8px 25px rgba(0, 0, 0, .2), inset 0 2px 4px rgba(255, 255, 255, .5);
            cursor: pointer;
            z-index: 1000001;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            transition: all .3s ease;
        }

        .hamburger-btn:hover {
            transform: translateY(-50%) scale(1.05);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
        }

        .hamburger-line {
            width: 24px;
            height: 3px;
            background: #000;
            border-radius: 2px;
            transition: all .3s ease;
        }

        .hamburger-btn.active .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }

        .hamburger-btn.active .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.active .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }

        /* Side Menu */
        .side-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 320px;
            height: 100vh;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
            box-shadow: -5px 0 30px rgba(0, 0, 0, .3);
            z-index: 1000000;
            transition: right .4s cubic-bezier(.4, 0, .2, 1);
            overflow: hidden;
            padding: 80px 30px 30px;
        }

        .side-menu.active {
            right: 0;
        }

        .side-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0, 0, 0, .5);
            z-index: 999999;
            opacity: 0;
            visibility: hidden;
            transition: all .3s ease;
        }

        .side-menu-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .side-nav-menu {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .side-nav-item {
            position: relative;
        }

        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            border-radius: 16px;
            text-decoration: none;
            color: #1f2937;
            font-weight: 700;
            font-size: 18px;
            transition: all .3s ease;
            background: rgba(99, 102, 241, .05);
            border: 2px solid transparent;
        }

        .side-nav-link:hover,
        .side-nav-item.active .side-nav-link {
            background: linear-gradient(135deg, rgba(99, 102, 241, .15) 0%, rgba(147, 51, 234, .12) 100%);
            border-color: rgba(99, 102, 241, .3);
            color: #4f46e5;
            transform: translateX(-5px);
        }

        .side-nav-icon {
            width: 22px;
            height: 22px;
            stroke-width: 2.5;
            flex-shrink: 0;
        }

        .side-auth-buttons {
            margin-top: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding-top: 30px;
            border-top: 2px solid rgba(99, 102, 241, .2);
        }

        .side-auth-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 16px 24px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 16px;
            text-decoration: none;
            cursor: pointer;
            transition: all .3s ease;
            border: 2px solid;
        }

        .side-auth-btn.signup {
            background: linear-gradient(135deg, rgba(99, 102, 241, .2) 0%, rgba(99, 102, 241, .1) 100%);
            color: #4f46e5;
            border-color: rgba(99, 102, 241, .3);
        }

        .side-auth-btn.signup:hover {
            background: linear-gradient(135deg, rgba(99, 102, 241, .3) 0%, rgba(99, 102, 241, .2) 100%);
            transform: scale(1.02);
            box-shadow: 0 8px 20px rgba(99, 102, 241, .3);
        }

        .side-auth-btn.login {
            background: linear-gradient(135deg, rgba(147, 51, 234, .2) 0%, rgba(147, 51, 234, .1) 100%);
            color: #9333ea;
            border-color: rgba(147, 51, 234, .3);
        }

        .side-auth-btn.login:hover {
            background: linear-gradient(135deg, rgba(147, 51, 234, .3) 0%, rgba(147, 51, 234, .2) 100%);
            transform: scale(1.02);
            box-shadow: 0 8px 20px rgba(147, 51, 234, .3);
        }

        .side-auth-icon {
            width: 20px;
            height: 20px;
            stroke-width: 2.5;
        }

        .content {
            padding-top: 150px;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
            color: #fff;
            text-align: center;
        }

        .content h1 {
            font-size: 42px;
            margin-bottom: 30px;
            font-weight: 900;
        }

        .content p {
            font-size: 18px;
            line-height: 1.5;
            margin-bottom: 20px;
        }

        @media(max-width: 1200px) {
            .nav-ellipse {
                padding: 8px 30px;
            }
            .nav-link {
                padding: 10px 16px;
                font-size: 13px;
            }
        }

        @media(max-width: 1024px) {
            .logo-circle {
                width: 70px;
                height: 70px;
            }
            .auth-circle {
                width: 60px;
                height: 60px;
                min-width: 60px;
            }
            .auth-circle:hover {
                width: 130px;
            }
            .nav-ellipse {
                padding: 8px 25px;
            }
            .nav-link {
                padding: 10px 14px;
                font-size: 13px;
                gap: 6px;
            }
        }

        @media(max-width: 900px) {
            .nav-link span {
                display: none;
            }
            .nav-ellipse {
                padding: 8px 20px;
            }
            .nav-link {
                padding: 10px 12px;
            }
        }

        @media(max-width: 768px) {
            .vineh-header {
                padding: 15px 20px !important;
                height: 80px !important;
                background: rgba(255, 255, 255, 1) !important;
                backdrop-filter: none !important;
                box-shadow: 0 2px 10px rgba(0, 0, 0, .1);
            }

            .header-content {
                height: 50px;
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .logo-circle {
                position: relative;
                right: auto;
                top: auto;
                width: 50px;
                height: 50px;
                transform: none !important;
            }

            .logo-circle:hover {
                transform: none !important;
            }

            .nav-ellipse {
                display: none;
            }

            .auth-container {
                display: none;
            }

            .hamburger-btn {
                display: flex;
            }

            .side-menu {
                width: 85%;
                max-width: 320px;
            }

            .content {
                padding-top: 100px;
                padding-left: 20px;
                padding-right: 20px;
            }

            .content h1 {
                font-size: 28px;
            }

            .content p {
                font-size: 16px;
            }
        }

        @media(max-width: 480px) {
            .side-menu {
                width: 90%;
            }
        }