/* ═══════════════════════════════════════════════
   CHROME UNIVERSE — Annex Pages (About, Contact, FAQ, Size Guide)
   ═══════════════════════════════════════════════ */

/* ─── Page Hero ─── */
.page-hero {
    position: relative;
    min-height: 55svh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 7rem 1.5rem 4rem;
    overflow: hidden;
    background:
        radial-gradient(ellipse at center, rgba(192,192,192,0.08) 0%, transparent 60%),
        linear-gradient(180deg, #0a0a0a 0%, #111 70%, #0a0a0a 100%);
    border-bottom: 1px solid rgba(192,192,192,0.12);
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
    background-size: 256px;
    opacity: 0.25;
    pointer-events: none;
    mix-blend-mode: overlay;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.8) 100%);
    pointer-events: none;
}

.page-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.page-hero-cross {
    font-size: 1.75rem;
    color: var(--silver-dark);
    letter-spacing: 0.6em;
    margin-bottom: 1.25rem;
    opacity: 0;
    animation: fadeInUp 0.9s var(--ease-dramatic) 0.1s forwards;
}

.page-hero-eyebrow {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.5em;
    color: var(--silver-dark);
    text-transform: uppercase;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeInUp 0.9s var(--ease-dramatic) 0.25s forwards;
}

.page-hero-title {
    font-family: var(--font-gothic);
    font-size: clamp(2.75rem, 5vw + 1rem, 6rem);
    line-height: 1;
    font-weight: 400;
    background: linear-gradient(180deg, #f5f5f0 0%, #c0c0c0 45%, #777 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 60px rgba(192,192,192,0.15);
    opacity: 0;
    animation: fadeInUp 1.1s var(--ease-dramatic) 0.35s forwards;
}

.page-hero-sub {
    font-family: var(--font-body);
    font-style: italic;
    font-size: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
    color: var(--silver);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
    opacity: 0;
    animation: fadeInUp 1.1s var(--ease-dramatic) 0.5s forwards;
}

/* ─── Breadcrumb ─── */
.breadcrumb {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--silver-dark);
    opacity: 0;
    animation: fadeInUp 1s var(--ease-dramatic) 0.65s forwards;
}

.breadcrumb a {
    color: var(--silver-dark);
    transition: color 0.3s;
}

.breadcrumb a:hover { color: var(--silver-bright); }

.breadcrumb-sep {
    display: inline-block;
    margin: 0 0.6rem;
    color: var(--silver-muted);
}

/* ─── Page Wrap ─── */
.page-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 1.5rem;
}

.page-wrap--narrow {
    max-width: 860px;
}

/* ─── Section headings inside pages ─── */
.page-section {
    margin-bottom: 4rem;
}

.page-section-title {
    font-family: var(--font-gothic);
    font-size: clamp(1.75rem, 2.5vw + 1rem, 3rem);
    line-height: 1.1;
    background: linear-gradient(180deg, #e8e8e8 0%, #888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    text-align: center;
}

.page-section-title::before,
.page-section-title::after {
    content: '';
    display: inline-block;
    width: 40px;
    height: 1px;
    background: var(--silver-muted);
    vertical-align: middle;
    margin: 0 1rem;
}

/* ─── About Page ─── */
.about-intro {
    text-align: center;
    margin-bottom: 5rem;
}

.about-intro p {
    font-family: var(--font-body);
    font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.3rem);
    line-height: 1.8;
    color: var(--silver);
    max-width: 70ch;
    margin: 0 auto 1.5rem;
}

.about-intro p:first-of-type::first-letter {
    font-family: var(--font-gothic);
    float: left;
    font-size: 4.5rem;
    line-height: 0.85;
    padding: 0.5rem 0.75rem 0 0;
    color: var(--silver-bright);
    background: linear-gradient(180deg, #f5f5f0, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-feature {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    margin: 5rem 0;
    padding: 3rem 0;
    border-top: 1px solid rgba(192,192,192,0.1);
    border-bottom: 1px solid rgba(192,192,192,0.1);
}

.about-feature-img {
    position: relative;
    border: 1px solid rgba(192,192,192,0.15);
    background: #0a0a0a;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}

.about-feature-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 1.2s var(--ease-dramatic);
}

.about-feature-img::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.6) 100%);
    z-index: 2;
    pointer-events: none;
}

.about-feature:hover .about-feature-img img {
    transform: scale(1.05);
}

.about-feature-text h3 {
    font-family: var(--font-gothic);
    font-size: clamp(1.8rem, 2vw + 1rem, 2.8rem);
    line-height: 1.1;
    color: var(--silver-bright);
    margin-bottom: 1.25rem;
}

.about-feature-text p {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.75;
    color: var(--silver);
    margin-bottom: 1rem;
}

.about-cta {
    text-align: center;
    padding: 4rem 1.5rem;
    margin-top: 3rem;
    border-top: 1px solid rgba(192,192,192,0.12);
}

.about-cta h3 {
    font-family: var(--font-gothic);
    font-size: clamp(2rem, 3vw + 1rem, 3.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(180deg, #f5f5f0 0%, #888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-cta p {
    color: var(--silver);
    font-style: italic;
    font-size: 1.15rem;
    margin-bottom: 2rem;
}

/* ─── Contact Page ─── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.contact-card {
    background: linear-gradient(180deg, #111 0%, #0d0d0d 100%);
    border: 1px solid rgba(192,192,192,0.15);
    padding: 2.5rem 2rem;
    position: relative;
    transition: border-color 0.5s var(--ease);
}

.contact-card::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(135deg, rgba(192,192,192,0.05), transparent 40%),
        linear-gradient(-135deg, rgba(192,192,192,0.05), transparent 40%);
}

.contact-card:hover {
    border-color: rgba(192,192,192,0.35);
}

.contact-card h3 {
    font-family: var(--font-gothic);
    font-size: 2rem;
    color: var(--silver-bright);
    margin-bottom: 1.75rem;
    text-align: center;
    position: relative;
}

.contact-form-field {
    display: block;
    margin-bottom: 1.25rem;
    position: relative;
}

.contact-form-field label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--silver-dark);
    margin-bottom: 0.5rem;
}

.contact-form-field input,
.contact-form-field textarea {
    width: 100%;
    background: #0a0a0a;
    border: 1px solid rgba(192,192,192,0.2);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 16px;
    padding: 0.9rem 1rem;
    transition: all 0.3s var(--ease);
    min-height: 44px;
}

.contact-form-field textarea {
    min-height: 140px;
    resize: vertical;
}

.contact-form-field input:focus,
.contact-form-field textarea:focus {
    outline: none;
    border-color: var(--silver-bright);
    box-shadow: 0 0 0 1px rgba(192,192,192,0.3), 0 0 25px rgba(192,192,192,0.08);
}

.contact-submit {
    display: inline-block;
    width: 100%;
    padding: 1rem 2rem;
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    background: transparent;
    border: 1px solid var(--silver);
    color: var(--silver-bright);
    cursor: pointer;
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
    margin-top: 1rem;
    min-height: 48px;
}

.contact-submit::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(192,192,192,0.15), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s var(--ease);
}

.contact-submit:hover { border-color: var(--silver-bright); color: var(--white); }
.contact-submit:hover::before { transform: translateX(0); }
.contact-submit:active { transform: scale(0.98); }

.contact-success {
    padding: 1rem;
    margin-top: 1rem;
    border: 1px solid rgba(201, 168, 76, 0.5);
    color: var(--gold);
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-align: center;
    display: none;
    animation: fadeInUp 0.5s var(--ease-bounce);
}

.contact-success.show { display: block; }

.contact-info-list {
    list-style: none;
    padding: 0;
}

.contact-info-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(192,192,192,0.1);
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.contact-info-item:last-child { border-bottom: none; }

.contact-info-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(192,192,192,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--silver);
    font-size: 1.1rem;
}

.contact-info-content h4 {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--silver-dark);
    margin-bottom: 0.35rem;
}

.contact-info-content p,
.contact-info-content a {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--silver-bright);
    line-height: 1.5;
}

.contact-info-content a:hover { color: var(--white); text-decoration: underline; }

.contact-email-footer {
    text-align: center;
    padding: 3rem 1.5rem;
    border-top: 1px solid rgba(192,192,192,0.12);
    margin-top: 3rem;
}

.contact-email-footer p {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--silver);
}

.contact-email-footer a {
    color: var(--silver-bright);
    border-bottom: 1px solid var(--silver-dark);
    padding-bottom: 2px;
    transition: color 0.3s;
}

.contact-email-footer a:hover { color: var(--white); }

/* ─── FAQ Page ─── */
.faq-section {
    margin-bottom: 3rem;
}

.faq-section-title {
    font-family: var(--font-gothic);
    font-size: clamp(1.6rem, 2vw + 0.8rem, 2.4rem);
    color: var(--silver-bright);
    margin-bottom: 1.75rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(192,192,192,0.15);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.faq-section-title::before {
    content: '\2720';
    color: var(--silver-dark);
    font-size: 1.2em;
}

.faq-item {
    background: #111;
    border: 1px solid rgba(192,192,192,0.12);
    margin-bottom: 0.75rem;
    transition: border-color 0.3s var(--ease);
}

.faq-item:hover {
    border-color: rgba(192,192,192,0.3);
}

.faq-item[open] {
    border-color: rgba(192,192,192,0.35);
    background: #141414;
}

.faq-item summary {
    cursor: pointer;
    padding: 1.25rem 1.5rem;
    font-family: var(--font-display);
    font-size: clamp(0.95rem, 0.9rem + 0.2vw, 1.1rem);
    letter-spacing: 0.05em;
    color: var(--silver-bright);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    min-height: 48px;
    transition: color 0.3s;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary:hover { color: var(--white); }

.faq-item summary::after {
    content: '+';
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--silver-dark);
    transition: transform 0.4s var(--ease-bounce);
    flex-shrink: 0;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
    color: var(--silver-bright);
}

.faq-item-content {
    padding: 0 1.5rem 1.5rem;
    font-family: var(--font-body);
    font-size: 1.1rem;
    line-height: 1.75;
    color: var(--silver);
    animation: fadeInUp 0.4s var(--ease);
}

/* ─── Size Guide ─── */
.size-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(192,192,192,0.2);
    justify-content: center;
    flex-wrap: wrap;
}

.size-tab {
    padding: 1rem 2rem;
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--silver-dark);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s var(--ease);
    min-height: 48px;
}

.size-tab:hover { color: var(--silver-bright); }

.size-tab.active {
    color: var(--silver-bright);
    border-bottom-color: var(--silver-bright);
}

.size-panel { display: none; animation: fadeInUp 0.5s var(--ease); }
.size-panel.active { display: block; }

.size-panel h3 {
    font-family: var(--font-gothic);
    font-size: 2rem;
    color: var(--silver-bright);
    margin-bottom: 1rem;
    text-align: center;
}

.size-panel-intro {
    text-align: center;
    color: var(--silver);
    font-family: var(--font-body);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 65ch;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.size-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.size-step {
    background: #111;
    border: 1px solid rgba(192,192,192,0.12);
    padding: 1.5rem;
    position: relative;
    padding-left: 4.5rem;
}

.size-step-num {
    position: absolute;
    left: 1.25rem;
    top: 1.25rem;
    width: 2.25rem;
    height: 2.25rem;
    border: 1px solid var(--silver-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--silver-bright);
}

.size-step h4 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--silver-bright);
    margin-bottom: 0.5rem;
}

.size-step p {
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: var(--silver);
    line-height: 1.6;
}

.size-table-wrap {
    overflow-x: auto;
    border: 1px solid rgba(192,192,192,0.15);
    background: #0d0d0d;
    -webkit-overflow-scrolling: touch;
}

.size-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px;
}

.size-table th,
.size-table td {
    padding: 1rem 1.25rem;
    text-align: center;
    font-family: var(--font-body);
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(192,192,192,0.1);
}

.size-table th {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--silver-dark);
    background: #0a0a0a;
    border-bottom: 1px solid rgba(192,192,192,0.25);
}

.size-table td { color: var(--silver-bright); }

.size-table tbody tr { transition: background 0.3s; }
.size-table tbody tr:hover { background: rgba(192,192,192,0.04); }

.size-help {
    margin-top: 4rem;
    padding: 3rem 2rem;
    text-align: center;
    border: 1px solid rgba(192,192,192,0.15);
    background: linear-gradient(180deg, #111, #0a0a0a);
}

.size-help h4 {
    font-family: var(--font-gothic);
    font-size: 1.8rem;
    color: var(--silver-bright);
    margin-bottom: 1rem;
}

.size-help p {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--silver);
    font-style: italic;
}

.size-help a { color: var(--silver-bright); border-bottom: 1px solid var(--silver-dark); }
.size-help a:hover { color: var(--white); }

/* ─── Shared Page Button ─── */
.page-btn {
    display: inline-block;
    padding: 1.15rem 2.5rem;
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--silver-bright);
    background: transparent;
    border: 1px solid var(--silver);
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease);
    min-height: 48px;
}

.page-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(192,192,192,0.15), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s var(--ease);
}

.page-btn:hover { border-color: var(--silver-bright); color: var(--white); }
.page-btn:hover::before { transform: translateX(0); }

/* ─── Animations ─── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── Tablet ─── */
@media (min-width: 768px) {
    .page-hero { padding: 9rem 2rem 5rem; }
    .page-wrap { padding: 6rem 2rem; }

    .contact-grid {
        grid-template-columns: 1.2fr 1fr;
        gap: 4rem;
    }

    .contact-card { padding: 3rem 2.5rem; }

    .about-feature {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }

    .about-feature.reverse .about-feature-img {
        order: 2;
    }

    .size-steps {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ─── Desktop ─── */
@media (min-width: 1024px) {
    .page-hero { min-height: 60svh; padding: 10rem 3rem 6rem; }
    .about-feature { gap: 5rem; padding: 4rem 0; }
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
    .page-hero-cross,
    .page-hero-eyebrow,
    .page-hero-title,
    .page-hero-sub,
    .breadcrumb {
        animation: none;
        opacity: 1;
    }
}