.arch-contact {
    position: relative; width: 100vw; height: 100vh; height: 100dvh;
    background-color: #000; overflow: hidden; z-index: 1;
}

.arch-mask { position: absolute; left: 0; width: 100%; height: 12vh; z-index: 10; pointer-events: none; }
.mask-top { top: 0; background: linear-gradient(to bottom, #000000 20%, transparent 100%); }
.mask-bottom { bottom: 0; background: linear-gradient(to top, #000000 20%, transparent 100%); }

.arch-container { display: flex; width: 100%; height: 100%; }

.arch-pillar {
    flex: 1; position: relative; border-right: 1px solid rgba(197, 160, 89, 0.15);
    overflow: hidden; background: #050000;
    transition: flex 1s cubic-bezier(0.19, 1, 0.22, 1), filter 0.8s ease; 
}
.arch-pillar:last-child { border-right: none; }

.arch-pillar.active { flex: 6; }
.arch-pillar.inactive { filter: blur(8px) brightness(0.3); pointer-events: none; }

.arch-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.arch-bg img { 
    width: 110%; height: 110%; object-fit: cover; 
    filter: grayscale(100%) brightness(0.4); 
    transition: filter 1s, transform 1.5s cubic-bezier(0.19, 1, 0.22, 1);
    transform: translate(-5%, -5%) scale(1);
}
.arch-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); transition: 1s; }

.arch-red-glow {
    position: absolute; top: 0; left: 0; width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(138, 28, 28, 0.4) 0%, transparent 70%);
    transform: translate(-50%, -50%); opacity: 0; transition: opacity 0.8s; pointer-events: none; mix-blend-mode: screen;
}

.arch-pillar:hover .arch-bg img { filter: grayscale(50%) brightness(0.6); }
.arch-pillar.active .arch-bg img { filter: grayscale(10%) brightness(0.5); }
.arch-pillar.active .arch-overlay { background: rgba(5, 0, 0, 0.8); backdrop-filter: blur(10px); }
.arch-pillar.active .arch-red-glow { opacity: 1; }

.arch-idle {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    display: flex; flex-direction: column; justify-content: space-between; align-items: center;
    padding: 100px 0; z-index: 2; transition: opacity 0.4s ease; pointer-events: none;
}
.arch-num { font-size: 0.8rem; color: var(--accent); letter-spacing: 2px; }
.arch-title-vertical {
    writing-mode: vertical-rl; transform: rotate(180deg); font-size: 2.2rem;
    text-transform: uppercase; font-weight: 300; letter-spacing: 6px; color: var(--text-main);
    white-space: nowrap; transition: color 0.4s;
}
.arch-pillar:hover .arch-title-vertical { color: var(--accent); }
.arch-pillar.active .arch-idle { opacity: 0; }

.arch-active {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    padding: 0 10%; z-index: 3; display: flex; flex-direction: column; justify-content: center;
    opacity: 0; visibility: hidden; pointer-events: none; transition: opacity 0.4s ease;
}
.arch-pillar.active .arch-active { opacity: 1; visibility: visible; pointer-events: auto; }

.arch-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 50px; border-bottom: 1px solid rgba(197, 160, 89, 0.2); padding-bottom: 30px; }
.arch-subtitle { font-size: 0.75rem; color: var(--accent); text-transform: uppercase; letter-spacing: 4px; display: block; margin-bottom: 15px; }

.arch-title { font-size: clamp(3rem, 5vw, 4.5rem); font-weight: 300; text-transform: uppercase; line-height: 1.05; display: flex; flex-wrap: wrap; gap: 15px; }
.mask-wrap { display: inline-block; overflow: hidden; vertical-align: bottom; }
.mask-text { display: inline-block; transform: translateY(110%); } 
.arch-gold { font-family: var(--font-title); color: var(--accent); text-transform: none; font-size: 1.2em; font-weight: 400; transform: translateY(110%); padding-top: 5px; }

.mag-close-wrap { padding: 20px; margin: -20px -20px 0 0; }
.arch-close {
    background: transparent; border: 1px solid rgba(197, 160, 89, 0.4); color: var(--text-main);
    width: 55px; height: 55px; display: flex; align-items: center; justify-content: center;
    transition: background 0.4s, color 0.4s, border-color 0.4s; border-radius: 50%; font-size: 1.5rem;
}
.arch-close:hover { background: var(--accent); color: #000; border-color: var(--accent); transform: scale(1.1); }

.arch-form { display: flex; flex-direction: column; gap: 45px; max-width: 800px; }
.arch-row { display: flex; gap: 40px; }
.arch-input-wrap { position: relative; width: 100%; }

.arch-form input, .arch-form textarea {
    width: 100%; background: transparent; border: none; padding: 15px 0;
    color: var(--text-main); font-size: 1.1rem; font-family: var(--font-body); outline: none; border-radius: 0px; resize: none;
}
.arch-line { position: absolute; bottom: 0; left: 0; width: 100%; height: 1px; background: rgba(232, 220, 200, 0.15); }
.arch-line::after { content: ''; position: absolute; bottom: 0; left: 50%; width: 0%; height: 1px; background: var(--accent); transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1), left 0.5s cubic-bezier(0.16, 1, 0.3, 1); }

.arch-form label { position: absolute; top: 15px; left: 0; color: var(--text-sec); pointer-events: none; transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1); font-size: 1rem; }
.arch-form input:focus ~ label, .arch-form input:not(:placeholder-shown) ~ label, .arch-form textarea:focus ~ label, .arch-form textarea:not(:placeholder-shown) ~ label { top: -20px; font-size: 0.7rem; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; }
.arch-form input:focus ~ .arch-line::after, .arch-form textarea:focus ~ .arch-line::after { width: 100%; left: 0; }

.arch-submit {
    align-self: flex-start; background: transparent; border: 1px solid var(--accent); color: var(--accent);
    padding: 18px 45px; font-family: var(--font-body); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 2px;
    display: flex; align-items: center; gap: 15px; border-radius: 0px; transition: border-color 0.4s; position: relative; overflow: hidden; margin-top: 10px;
}
.btn-hover-fill { position: absolute; bottom: 0; left: 0; width: 100%; height: 0%; background: var(--accent); z-index: 1; transition: height 0.5s cubic-bezier(0.16, 1, 0.3, 1); }
.z-2 { position: relative; z-index: 2; transition: color 0.4s; }
.arch-submit:hover .z-2 { color: #000; }
.arch-submit:hover .btn-hover-fill { height: 100%; }
.arch-submit:hover i { transform: translate(4px, -4px); }

.form-el { opacity: 0; }

@media (max-width: 1024px) {
    body, a, button, input, select, textarea, .magnetic-wrap, .arch-pillar, .hamburger {
        cursor: auto !important;
    }
    .cursor-dot, .cursor-ring, .cursor-ripple {
        display: none !important;
    }

    .arch-container { flex-direction: column; }
    .arch-pillar { border-right: none; border-bottom: 1px solid rgba(197, 160, 89, 0.2); }
    .arch-pillar:last-child { border-bottom: none; }
    
    .arch-idle { flex-direction: row; padding: 0 30px; }
    .arch-title-vertical { writing-mode: horizontal-tb; transform: none; font-size: 1.5rem; }
    
    .arch-active { padding: 80px 5%; justify-content: flex-start; overflow-y: auto; }
    .arch-header { margin-bottom: 40px; flex-direction: column; align-items: flex-start; gap: 20px; }
    
    .mag-close-wrap { align-self: flex-end; margin-top: -80px; padding: 0; margin-right: 0; }
    .arch-row { flex-direction: column; gap: 40px; }
}