/* ==============================
   CONTACT — transmission terminal
   ============================== */

.contact {
    position: relative;
    width: 100%;
    min-height: 100vh;
    min-height: 100svh;
    background: transparent;
    color: #fff;
    direction: inherit;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 5rem;
    z-index: 4;
}

/* --- Background word --- */

.contact__bg-word {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Anton', Impact, sans-serif;
    font-size: clamp(6rem, 22vw, 18rem);
    letter-spacing: 0.06em;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.04);
    text-stroke: 1px rgba(255, 255, 255, 0.04);
    white-space: nowrap;
    pointer-events: none;
    z-index: 1;
    user-select: none;
    opacity: 0;
}

.contact.is-ready .contact__bg-word {
    opacity: 1;
    transition: opacity 1.2s ease 0.2s;
}

/* --- Side panels --- */

.contact__side {
    position: absolute;
    z-index: 3;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    opacity: 0;
    transform: translateY(12px);
}

.contact__side--left {
    left: 2rem;
    top: 50%;
    transform: translateY(calc(-50% + 12px));
}

.contact__side--right {
    right: 2rem;
    top: 50%;
    transform: translateY(calc(-50% + 12px));
    align-items: flex-end;
    gap: 1.5rem;
}

.contact.is-ready .contact__side {
    opacity: 1;
    transform: translateY(-50%);
    transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact__side-label {
    font-family: 'Bebas Neue', Impact, sans-serif;
    font-size: 0.65rem;
    letter-spacing: 0.35em;
    color: rgba(255, 255, 255, 0.45);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.contact__side-label::before {
    content: '';
    width: 24px;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.contact__side-heading {
    font-family: 'Bebas Neue', Impact, sans-serif;
    font-size: 0.65rem;
    letter-spacing: 0.35em;
    color: rgba(255, 255, 255, 0.35);
}

.contact__socials {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact__socials-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.25s, border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.contact__socials-link svg {
    width: 18px;
    height: 18px;
}

.contact__socials-link:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.45);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.12);
    transform: scale(1.06);
}

/* --- Main content --- */

.contact__inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
}

.contact__header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.contact__heading {
    font-family: 'Anton', Impact, sans-serif;
    font-size: clamp(2rem, 5vw, 3.2rem);
    letter-spacing: 0.04em;
    line-height: 1.05;
    margin-bottom: 0.6rem;
    opacity: 0;
    transform: translateY(24px);
}

.contact__char {
    display: inline-block;
    transform-origin: 50% 100%;
}

.contact__heading--whole {
    display: block;
}

.contact__heading-text {
    display: inline-block;
}

.contact__subtitle {
    font-family: 'Bebas Neue', Impact, sans-serif;
    font-size: 0.95rem;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(16px);
}

/* --- Form --- */

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact__field {
    opacity: 0;
    transform: translateY(20px);
}

.contact__field-label {
    display: block;
    font-family: 'Bebas Neue', Impact, sans-serif;
    font-size: 0.62rem;
    letter-spacing: 0.35em;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 0.45rem;
}

.contact__field-wrap {
    position: relative;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.contact__field-wrap:focus-within {
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 0 0 32px rgba(255, 255, 255, 0.06), inset 0 0 24px rgba(255, 255, 255, 0.02);
}

.contact__input {
    width: 100%;
    padding: 0.95rem 1.1rem;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-family: 'Bebas Neue', Impact, sans-serif;
    font-size: 1rem;
    letter-spacing: 0.08em;
}

.contact__input::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.contact__input--area {
    resize: vertical;
    min-height: 110px;
    line-height: 1.5;
}

.contact__cursor {
    position: absolute;
    right: 1rem;
    top: 50%;
    width: 2px;
    height: 1.1em;
    background: #fff;
    transform: translateY(-50%);
    opacity: 0;
    pointer-events: none;
}

.contact__field-wrap:focus-within .contact__cursor {
    opacity: 1;
    animation: contact-blink 1s step-end infinite;
}

.contact__field--area .contact__cursor { display: none; }

@keyframes contact-blink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0; }
}

/* --- Submit --- */

.contact__submit {
    position: relative;
    margin-top: 0.5rem;
    width: 100%;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
    cursor: pointer;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    font-family: 'Bebas Neue', Impact, sans-serif;
    font-size: 0.85rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    transition: transform 0.25s;
}

.contact__submit:hover:not(:disabled) {
    transform: translateY(-2px);
}

.contact__submit:disabled {
    opacity: 0.6;
    cursor: wait;
}

.contact__submit-border {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    background-size: 200% 100%;
    animation: contact-border-flow 3s linear infinite;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

@keyframes contact-border-flow {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.contact__submit-glow {
    position: absolute;
    inset: -20%;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.12), transparent 55%);
    opacity: 0;
    transition: opacity 0.35s;
    pointer-events: none;
}

.contact__submit:hover .contact__submit-glow {
    opacity: 1;
}

.contact__submit-text {
    position: relative;
    z-index: 1;
}

.contact__submit.is-sending .contact__submit-text {
    animation: contact-glitch 0.4s steps(2) infinite;
}

@keyframes contact-glitch {
    0%   { transform: translate(0); }
    25%  { transform: translate(-2px, 1px); }
    50%  { transform: translate(2px, -1px); }
    75%  { transform: translate(-1px, -1px); }
    100% { transform: translate(0); }
}

/* --- Terminal response --- */

.contact__terminal {
    position: relative;
    margin-top: 1.5rem;
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
    text-align: center;
    opacity: 0;
    transform: scaleY(0.6);
    transform-origin: top center;
    pointer-events: none;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.4s, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), max-height 0.5s;
}

.contact__terminal.is-visible {
    opacity: 1;
    transform: scaleY(1);
    max-height: 200px;
    pointer-events: auto;
}

.contact__terminal-flash {
    position: absolute;
    inset: 0;
    background: #fff;
    opacity: 0;
    pointer-events: none;
    border-radius: inherit;
}

.contact__terminal.is-flash .contact__terminal-flash {
    animation: contact-flash 0.35s ease-out;
}

@keyframes contact-flash {
    0%   { opacity: 0.35; }
    100% { opacity: 0; }
}

.contact__terminal-text {
    font-family: 'Bebas Neue', Impact, sans-serif;
    font-size: 1.1rem;
    letter-spacing: 0.25em;
    margin-bottom: 1rem;
}

.contact__terminal.is-glitch .contact__terminal-text {
    animation: contact-text-glitch 0.5s steps(3) 2;
}

@keyframes contact-text-glitch {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    20%      { clip-path: inset(20% 0 40% 0); transform: translate(-3px, 0); }
    40%      { clip-path: inset(60% 0 10% 0); transform: translate(3px, 0); }
    60%      { clip-path: inset(10% 0 70% 0); transform: translate(-2px, 1px); }
}

.contact__terminal-wave {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 3px;
    height: 28px;
}

.contact__terminal-wave-bar {
    width: 3px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
    animation: contact-wave 0.9s ease-in-out infinite;
    animation-delay: calc(var(--w) * 0.04s);
}

.contact__terminal.is-visible .contact__terminal-wave-bar {
    animation-play-state: running;
}

@keyframes contact-wave {
    0%, 100% { height: 4px; opacity: 0.35; }
    50%      { height: 22px; opacity: 1; }
}

/* --- Error state --- */

.contact__form.has-error .contact__field-wrap:invalid,
.contact__field-wrap.is-invalid {
    border-color: rgba(255, 80, 80, 0.5);
}

/* --- Responsive --- */

@media (max-width: 1024px) {
    .contact__side--left,
    .contact__side--right {
        display: none;
    }
}

@media (max-width: 640px) {
    .contact {
        padding: 5rem 1.25rem 4rem;
    }

    .contact__bg-word {
        font-size: clamp(4rem, 28vw, 8rem);
    }
}

@media (prefers-reduced-motion: reduce) {
    .contact__submit-border,
    .contact__terminal-wave-bar {
        animation: none !important;
    }

    .contact__heading,
    .contact__subtitle,
    .contact__field,
    .contact__submit,
    .contact__side,
    .contact__bg-word {
        opacity: 1 !important;
        transform: none !important;
    }
}