:root {
    --bg-color: #050505;
    --text-primary: #f8f6f2; /* Soft white/beige */
    --text-secondary: #99938b;
    --accent: #d3b482; /* Warm gold/wood tone */
    --accent-hover: #e6cfa3;
    
    --font-heading: 'Fraunces', serif;
    --font-body: 'DM Sans', sans-serif;
    
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.3s ease;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
    /* Optional grain effect via a faint radial gradient masking */
}

/* Subtle background vignette */
body::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at center, rgba(30, 28, 26, 0.4) 0%, rgba(5, 5, 5, 1) 80%);
    z-index: -1;
    pointer-events: none;
}

.portal-container {
    text-align: center;
    padding: 2rem;
    max-width: 1300px;
    width: 100%;
}

/* BLINKING LOGO */
.masif-logo {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 300;
    letter-spacing: -2px;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    animation: slow-blink 3s infinite alternate ease-in-out;
}

.masif-logo span {
    color: var(--accent);
}

@keyframes slow-blink {
    0% {
        opacity: 0.4;
        text-shadow: 0 0 10px rgba(248, 246, 242, 0.05);
    }
    100% {
        opacity: 1;
        text-shadow: 0 0 20px rgba(248, 246, 242, 0.3), 0 0 40px rgba(211, 180, 130, 0.2);
    }
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    letter-spacing: 6px;
    text-transform: uppercase;
    margin-bottom: 4rem;
    opacity: 0;
    animation: fade-in 1.5s 0.8s forwards ease-out;
}

@keyframes fade-in {
    to { opacity: 1; transform: translateY(0); }
    from { opacity: 0; transform: translateY(15px); }
}

/* BUTTONS */
.portal-actions {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fade-in 1.5s 1.2s forwards ease-out;
}

.portal-btn {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2.5rem 2rem;
    min-width: 300px;
    flex: 1;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 2px; /* Sharp elegant edges */
    backdrop-filter: blur(10px);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.btn-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
    transition: var(--transition-fast);
}

.btn-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-primary);
    font-weight: 300;
    transition: var(--transition-fast);
}

/* Glowing decorative hover effect */
.hover-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(211, 180, 130, 0.15) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.7s cubic-bezier(0.16, 1, 0.3, 1), height 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
}

.portal-btn:hover {
    border-color: rgba(211, 180, 130, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    background: rgba(255, 255, 255, 0.03);
}

.portal-btn:hover .hover-glow {
    width: 400px;
    height: 400px;
}

.portal-btn:hover .btn-subtitle {
    color: var(--accent);
}

.portal-btn:hover .btn-title {
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

/* Subtle line above buttons on hover */
.portal-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--accent);
    transition: width 0.5s ease;
    z-index: 3;
}

.portal-btn:hover::after {
    width: 100%;
}

@media (max-width: 1024px) {
    .portal-actions {
        flex-direction: column;
        gap: 1.5rem;
    }
    .portal-btn {
        min-width: 100%;
    }
}

/* Portal footer */
.portal-footer {
    margin-top: 4rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
    opacity: 0;
    animation: fade-in 1.5s 1.6s forwards ease-out;
}

/* ===== BRAND-SPECIFIC COLORS ===== */

/* brand-masif: warm gold (default, no override needed) */

/* brand-otomasyon: steel blue */
.brand-otomasyon .hover-glow {
    background: radial-gradient(circle, rgba(138, 180, 212, 0.15) 0%, transparent 70%);
}
.brand-otomasyon::after {
    background-color: #8ab4d4;
}
.brand-otomasyon:hover {
    border-color: rgba(138, 180, 212, 0.3);
}
.brand-otomasyon:hover .btn-subtitle {
    color: #8ab4d4;
}

/* brand-ticaret: warm orange */
.brand-ticaret .hover-glow {
    background: radial-gradient(circle, rgba(211, 146, 91, 0.15) 0%, transparent 70%);
}
.brand-ticaret::after {
    background-color: #d3925b;
}
.brand-ticaret:hover {
    border-color: rgba(211, 146, 91, 0.3);
}
.brand-ticaret:hover .btn-subtitle {
    color: #d3925b;
}

@media (max-width: 768px) {
    .masif-logo {
        font-size: 4rem;
    }
    .subtitle {
        margin-bottom: 3rem;
    }
    .portal-btn {
        padding: 2.5rem 2rem;
    }
    .btn-title {
        font-size: 1.6rem;
    }
}