/* ========================================
   STUDIO 82 — Components
   ======================================== */

/* ── Header ────────────────────────────── */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 28px var(--side-pad);
    border-bottom: 1px solid var(--border);
}

.header-brand {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.header-brand .reg {
    font-weight: 400;
    font-size: 11px;
    vertical-align: super;
}

.header-meta {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.meta-label {
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.meta-date {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

/* ── Hero ──────────────────────────────── */
.hero {
    padding: clamp(48px, 8vh, 80px) var(--side-pad) 48px;
}

.hero-title {
    font-size: clamp(38px, 7vw, 88px);
    font-weight: 900;
    letter-spacing: -0.035em;
    line-height: 1.05;
    text-transform: uppercase;
    margin-bottom: clamp(24px, 4vh, 48px);
}

.hero-body {
    max-width: 560px;
    margin-bottom: clamp(28px, 4vh, 48px);
}

.hero-body p {
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-mid);
    margin-bottom: 12px;
}

.hero-body p:last-child { margin-bottom: 0; }

.hero-body strong {
    color: var(--text);
    font-weight: 600;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 18px 36px;
    background: var(--text);
    color: var(--white);
    border: none;
    transition: gap 0.25s ease, opacity 0.2s;
}

.hero-cta:hover { gap: 18px; opacity: 0.85; }

.cta-arrow {
    font-size: 20px;
    transition: transform 0.25s ease;
}

.hero-cta:hover .cta-arrow {
    transform: translate(2px, -2px);
}

/* ── Past Work ─────────────────────────── */
.past-work {
    padding: 56px var(--side-pad) 48px;
    border-top: 1px solid var(--border);
}

.pw-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
}

.pw-title {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1;
    text-transform: uppercase;
}

.pw-sub {
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.pw-list {
    display: flex;
    flex-direction: column;
}

.pw-item {
    display: grid;
    grid-template-columns: 44px 1fr auto;
    gap: 20px;
    align-items: start;
    padding: 22px 0;
    border-top: 1px solid var(--border);
    transition: background 0.2s;
}

.pw-item:last-child {
    border-bottom: 1px solid var(--border);
}

.pw-item:hover {
    background: rgba(0,0,0,0.015);
}

.pw-num {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    padding-top: 3px;
}

.pw-body h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.pw-body p {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 1.55;
}

.pw-tag {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    white-space: nowrap;
    padding-top: 3px;
}

/* ── How It Works ──────────────────────── */
.how-section {
    display: flex;
    gap: 48px;
    padding: 28px var(--side-pad);
    border-top: 1px solid var(--border);
}

.step {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.step-num {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.06em;
}

.step-label {
    font-size: 14px;
    color: var(--text-mid);
}

/* ── Footer ────────────────────────────── */
.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px var(--side-pad);
    border-top: 1px solid var(--border);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* ════════════════════════════════════════
   FORM OVERLAY
   ════════════════════════════════════════ */

.form-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-form);
    z-index: 5000;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.form-overlay.open {
    transform: translateY(0);
}

.form-progress {
    height: 3px;
    background: var(--border);
    flex-shrink: 0;
}

.form-progress-bar {
    height: 100%;
    width: 25%;
    background: var(--text);
    transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.form-chrome {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px var(--side-pad);
    flex-shrink: 0;
}

.form-indicator {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.form-close {
    font-size: 28px;
    color: var(--text-mid);
    line-height: 1;
    padding: 4px;
    transition: color 0.2s;
}

.form-close:hover { color: var(--text); }

.form-viewport {
    flex: 1;
    overflow: hidden;
}

.form-track {
    display: flex;
    height: 100%;
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.form-slide {
    min-width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--side-pad);
}

.slide-inner {
    width: 100%;
    max-width: 580px;
}

.slide-title {
    font-size: clamp(26px, 4vw, 44px);
    font-weight: 900;
    letter-spacing: -0.025em;
    line-height: 1.15;
    margin-bottom: 12px;
}

.slide-sub {
    font-size: 15px;
    line-height: 1.65;
    color: var(--text-mid);
    margin-bottom: 32px;
}

.slide-input {
    width: 100%;
    font-size: 22px;
    padding: 16px 0;
    border-bottom: 2px solid var(--border);
    transition: border-color 0.3s;
    background: transparent;
}

.slide-input:focus {
    border-bottom-color: var(--text);
}

.slide-textarea {
    width: 100%;
    min-height: 40px;
    max-height: 220px;
    padding: 16px 0;
    font-size: 22px;
    line-height: 1.5;
    border: none;
    border-bottom: 2px solid var(--border);
    background: transparent;
    overflow-y: hidden;
    resize: none;
    transition: border-color 0.3s;
}

.slide-textarea:focus {
    border-bottom-color: var(--text);
}

/* Review slide */
.review-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-height: 50vh;
    overflow-y: auto;
}

.review-item {
    padding: 18px 0;
    border-bottom: 1px solid var(--border);
}

.review-item:first-child {
    padding-top: 0;
}

.review-item-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.review-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.review-edit {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-mid);
    cursor: pointer;
    padding: 4px 0;
    border-bottom: 1px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}

.review-edit:hover {
    color: var(--text);
    border-bottom-color: var(--text);
}

.review-value {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text);
    white-space: pre-wrap;
    word-break: break-word;
}

/* Error shake */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.field-error {
    animation: shake 0.5s ease;
}

.slide-input.field-error,
.slide-textarea.field-error {
    border-color: var(--error);
}

/* Confirmation */
.slide-confirm { text-align: center; }

.slide-confirm .slide-title {
    font-size: clamp(32px, 5vw, 56px);
    letter-spacing: -0.03em;
}

.confirm-close-btn {
    display: inline-block;
    margin-top: 24px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text);
    border-bottom: 2px solid var(--text);
    padding-bottom: 4px;
    transition: opacity 0.2s;
}

.confirm-close-btn:hover { opacity: 0.6; }

/* Form nav */
.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px var(--side-pad);
    flex-shrink: 0;
}

.form-btn {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 14px 28px;
    transition: background 0.2s, color 0.2s, opacity 0.2s;
}

.btn-back {
    color: var(--text-mid);
    border: 1px solid var(--border);
    background: transparent;
}

.btn-back:hover { background: rgba(0,0,0,0.04); }

.btn-next {
    background: var(--text);
    color: var(--white);
}

.btn-next:hover { opacity: 0.85; }

/* ── Responsive ────────────────────────── */
@media (max-width: 900px) {
    .pw-item {
        grid-template-columns: 36px 1fr;
        gap: 14px;
    }
    .pw-tag {
        grid-column: 2;
        padding-top: 0;
    }
}

@media (max-width: 600px) {
    .how-section {
        flex-direction: column;
        gap: 12px;
    }

    .site-footer {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }

    .pw-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .slide-input,
    .slide-textarea {
        font-size: 18px;
    }

    .form-btn { padding: 12px 20px; }
}