/* ============================================================
   中野法衣店 — Main Stylesheet
   Structure:
     1. Custom Properties (Design Tokens)
     2. Reset & Base
     3. Navigation
     4. Hero
     5. Animations & Scroll Reveal
     6. Button
     7. Layout Utilities
     8. Pattern Divider
     9. Message Section
    10. Craft Heritage Section
    11. Products Section
    12. History / Timeline Section
    13. About Section
    14. Contact Section
    15. Footer
    16. Skip Link (Accessibility)
    17. Responsive Breakpoints
============================================================ */

/* ── 1. Custom Properties ── */
:root {
    --gold:          #B8902A;
    --gold-light:    #D4A843;
    --gold-pale:     #EDD898;
    --charcoal:      #1E1E1C;
    --charcoal-mid:  #3A3A38;
    --charcoal-soft: #5A5A58;
    --ivory:         #F8F4EE;
    --ivory-deep:    #EFE9DF;
    --white:         #FFFFFF;
    --warm-gray:     #8A8278;

    --font-logo:    'Zen Antique', 'Shippori Mincho B1', serif;
    --font-heading: 'Shippori Mincho B1', 'Noto Serif JP', serif;
    --font-body:    'Noto Serif JP', 'Shippori Mincho B1', serif;

    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── 2. Reset & Base ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--white);
    color: var(--charcoal);
    line-height: 1.85;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ── 3. Navigation ── */
.nav {
    position: fixed;
    top: 0;
    inset-inline: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.8rem 5rem;
    transition:
        background .6s var(--ease),
        padding    .5s var(--ease),
        border-color .6s ease;
    border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(12px);
    padding: 1.1rem 5rem;
    border-bottom-color: rgba(184, 144, 42, .18);
}

.nav__logo {
    font-family: var(--font-logo);
    font-size: 1.15rem;
    color: var(--charcoal);
    text-decoration: none;
    letter-spacing: .2em;
    display: inline-flex;
    align-items: center;
    transition: opacity .4s ease;
}

.nav__logo-img {
    height: 94px;
    width: auto;
    display: block;
}

.nav__logo:hover { opacity: .72; }

.nav__right {
    display: flex;
    align-items: center;
    gap: 2.8rem;
}

.nav__list {
    display: flex;
    gap: 2.8rem;
    list-style: none;
}

.nav__lang {
    display: flex;
    align-items: center;
    gap: .35rem;
    font-size: .65rem;
    letter-spacing: .16em;
    color: rgba(45, 30, 5, .45);
    border-left: 1px solid rgba(45, 30, 5, .15);
    padding-left: 2.4rem;
}

.nav.is-scrolled .nav__lang { color: rgba(45, 30, 5, .38); }

.nav__lang-btn {
    cursor: pointer;
    color: inherit;
    text-decoration: none;
    transition: color .25s ease;
}

.nav__lang-btn.is-active { color: var(--gold); cursor: default; }

.nav__lang-sep { color: rgba(45, 30, 5, .2); }

.nav__list a {
    font-size: .86rem;
    color: rgba(45, 30, 5, .68);
    text-decoration: none;
    letter-spacing: .14em;
    position: relative;
    transition: color .3s ease-in-out;
}

.nav.is-scrolled .nav__list a { color: var(--charcoal-soft); }

.nav__list a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width .45s var(--ease);
}

.nav__list a:hover          { color: var(--gold); }
.nav__list a:hover::after   { width: 100%; }

/* Hamburger button */
.nav__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 201;
}

.nav__burger span {
    display: block;
    width: 22px;
    height: 1px;
    background: var(--charcoal);
    transition:
        transform  .35s ease,
        opacity    .35s ease,
        background .4s ease;
}

.nav.is-scrolled .nav__burger span                  { background: var(--charcoal); }
.nav__burger.is-open span:nth-child(1)              { transform: translateY(6px) rotate(45deg); background: var(--white); }
.nav__burger.is-open span:nth-child(2)              { opacity: 0; }
.nav__burger.is-open span:nth-child(3)              { transform: translateY(-6px) rotate(-45deg); background: var(--white); }

/* Mobile overlay */
.nav__overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(20, 18, 16, .97);
    z-index: 199;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3rem;
}

.nav__overlay.is-open { display: flex; }

.nav__overlay a {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: rgba(255, 255, 255, .85);
    text-decoration: none;
    letter-spacing: .2em;
    transition: color .3s ease;
}

.nav__overlay a:hover { color: var(--gold); }

/* ── 4. Hero ── */
.hero {
    position: relative;
    height: 100svh;
    min-height: 680px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    overflow: hidden;
    background: #D4B870;
    padding-left: 8%;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: url('images/white_mum.jpg') center right / cover no-repeat;
}

/* Subtle left-side text legibility gradient */
.hero__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(240, 215, 155, .22) 0%,
        rgba(240, 215, 155, .08) 45%,
        transparent 70%
    );
}

.hero__texture { display: none; }
.hero__ring    { display: none; }
.hero__vline   { display: none; }
.hero__art     { display: none; }

.hero__art {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: visible;
}

.hero__wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 90px;
    pointer-events: none;
    mask-image: linear-gradient(to bottom, transparent, rgba(0,0,0,.8) 70%);
    -webkit-mask-image: linear-gradient(to bottom, transparent, rgba(0,0,0,.8) 70%);
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: left;
    padding: 2rem 0;
    max-width: 540px;
}

.hero__eyebrow {
    display: block;
    font-size: .62rem;
    color: rgba(65, 44, 6, .58);
    letter-spacing: .42em;
    text-transform: uppercase;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(18px);
    animation: fadeUp 1s var(--ease) .4s forwards;
}

.hero__title {
    font-family: var(--font-logo);
    font-size: clamp(2.6rem, 6vw, 4.8rem);
    color: var(--charcoal);
    letter-spacing: .28em;
    line-height: 1.2;
    margin-bottom: 1.2rem;
    text-shadow: 0 2px 16px rgba(0, 0, 0, .12);
    opacity: 0;
    transform: translateY(22px);
    animation: fadeUp 1.3s var(--ease) .6s forwards;
}

.hero__subtitle {
    font-size: clamp(.78rem, 1.8vw, .95rem);
    font-weight: 300;
    color: rgba(55, 38, 5, .45);
    letter-spacing: .38em;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 1.1s var(--ease) .85s forwards;
}

.hero__rule {
    width: 42px;
    height: 1px;
    background: rgba(90, 58, 8, .45);
    margin: 0 0 3.2rem;
    opacity: 0;
    animation: scaleIn .8s var(--ease) .65s forwards;
}

.hero__catch {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 3.2vw, 2.4rem);
    font-weight: 500;
    color: rgba(25, 15, 2, .85);
    letter-spacing: .14em;
    line-height: 2.2;
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 1.2s var(--ease) .85s forwards;
    background: rgba(255, 252, 248, .72);
    padding: 1.2rem 2rem;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.hero__since {
    position: absolute;
    bottom: 2.8rem;
    left: 5rem;
    font-size: .58rem;
    color: rgba(70, 48, 8, .48);
    letter-spacing: .32em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeIn 1s ease 2s forwards;
}

.hero__scroll {
    position: absolute;
    bottom: 2.5rem;
    right: 5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
    opacity: 0;
    animation: fadeIn 1s ease 2.2s forwards;
}

.hero__scroll-line {
    width: 1px;
    height: 56px;
    background: linear-gradient(to bottom, rgba(100, 68, 8, .5), transparent);
    animation: pulse 2.4s ease-in-out infinite;
}

.hero__scroll-label {
    font-size: .55rem;
    color: rgba(50, 32, 4, .4);
    letter-spacing: .28em;
    writing-mode: vertical-rl;
    text-transform: uppercase;
}

/* ── 5. Animations & Scroll Reveal ── */
@keyframes fadeUp  { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn  { to { opacity: 1; } }
@keyframes scaleIn { from { opacity: 0; transform: scaleX(0); } to { opacity: 1; transform: scaleX(1); } }
@keyframes pulse   { 0%, 100% { opacity: .5; transform: scaleY(1);    } 50% { opacity: 1; transform: scaleY(1.08); } }
@keyframes float   { 0%, 100% { transform: translateY(0); }             50% { transform: translateY(-8px); } }

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition:
        opacity   .85s var(--ease),
        transform .85s var(--ease);
}

.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .17s; }
.reveal.d3 { transition-delay: .26s; }
.reveal.d4 { transition-delay: .35s; }
.reveal.d5 { transition-delay: .44s; }
.reveal.d6 { transition-delay: .53s; }

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── 6. Button ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .8rem;
    padding: 1rem 2.2rem;
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold);
    font-family: var(--font-body);
    font-size: .78rem;
    letter-spacing: .2em;
    text-decoration: none;
    cursor: pointer;
    user-select: none;
    transition:
        background-color .3s ease-in-out,
        color            .3s ease-in-out,
        transform        .3s ease-in-out,
        box-shadow       .3s ease-in-out;
    will-change: transform;
}

.btn:hover {
    background-color: var(--gold);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(184, 144, 42, .28);
}

.btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(184, 144, 42, .22);
    transition-duration: .1s;
}

/* Disable float on touch devices to avoid stuck hover states */
@media (hover: none) {
    .btn:hover { transform: none; box-shadow: none; }
}

.btn--light {
    border-color: rgba(255, 255, 255, .45);
    color: rgba(255, 255, 255, .85);
}

.btn--light:hover {
    background-color: rgba(255, 255, 255, .1);
    color: var(--white);
    border-color: rgba(255, 255, 255, .8);
    box-shadow: 0 8px 28px rgba(0, 0, 0, .3);
}

/* ── 7. Layout Utilities ── */
.section { padding: 10rem 5rem; }
.wrap    { max-width: 1120px; margin-inline: auto; }

.label {
    display: block;
    font-size: .6rem;
    color: var(--gold);
    letter-spacing: .45em;
    text-transform: uppercase;
    margin-bottom: 1.1rem;
}

.heading {
    font-family: var(--font-heading);
    font-size: clamp(1.9rem, 4.2vw, 3.2rem);
    font-weight: 600;
    color: var(--charcoal);
    letter-spacing: .1em;
    line-height: 1.45;
}

.rule {
    display: block;
    width: 38px;
    height: 1px;
    background: var(--gold);
    margin-block: 2.2rem;
}

/* ── 8. Pattern Divider ── */
.pat-divider {
    width: 100%;
    height: 48px;
    overflow: hidden;
    opacity: .55;
}

.pat-divider svg { width: 100%; height: 100%; }

.fan-divider {
    width: 100%;
    height: 130px;
    background: url('images/pattern_fan.jpg') center / cover no-repeat;
    opacity: .88;
}

/* ── 9. Message Section ── */
.message {
    background: var(--ivory);
    text-align: center;
    position: relative;
}

.message__vline {
    display: block;
    width: 1px;
    height: 72px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    margin: 0 auto 3.5rem;
}

.message__inner  { max-width: 760px; margin-inline: auto; }

.message__quote {
    font-family: var(--font-heading);
    font-size: clamp(1.3rem, 2.8vw, 2rem);
    font-weight: 500;
    color: var(--charcoal);
    letter-spacing: .1em;
    line-height: 2;
    margin-block: .5rem 3rem;
}

.message__rule { margin-inline: auto; }

.message__body {
    font-size: .9rem;
    color: var(--warm-gray);
    line-height: 2.1;
    letter-spacing: .05em;
    text-align: center;
    max-width: 560px;
    margin-inline: auto;
}

.message__badge {
    display: inline-flex;
    align-items: center;
    gap: 1.2rem;
    border: 1px solid rgba(184, 144, 42, .28);
    padding: 1rem 2rem;
    margin-top: 3.5rem;
}

.message__badge-num {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
}

.message__badge-text {
    font-size: .68rem;
    color: var(--warm-gray);
    letter-spacing: .18em;
    line-height: 1.7;
    text-align: left;
}

/* ── 10. Craft Heritage Section ── */
.craft {
    background: var(--charcoal);
    padding: 8rem 5rem;
}

.craft .heading { color: var(--white); }
.craft .label   { color: var(--gold);  }
.craft .rule    { background: var(--gold); }

.craft__intro {
    font-size: .88rem;
    color: rgba(255, 255, 255, .45);
    letter-spacing: .06em;
    line-height: 2.2;
    max-width: 560px;
    margin-top: -.5rem;
}

.craft__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 5rem;
}

.craft__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(184, 144, 42, .12);
    border: 1px solid rgba(184, 144, 42, .12);
}

.craft__item {
    background: var(--charcoal);
    padding: 3.5rem 3rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
    transition: background .5s var(--ease);
}

.craft__item::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width .65s var(--ease);
}

.craft__item:hover         { background: #252520; }
.craft__item:hover::after  { width: 100%; }

.craft__icon {
    width: 80px;
    height: 80px;
    margin-bottom: 2rem;
    color: var(--gold);
    flex-shrink: 0;
    transition: transform .5s var(--ease);
}

.craft__item:hover .craft__icon { transform: translateY(-4px); }

.craft__num {
    font-size: .58rem;
    color: rgba(184, 144, 42, .6);
    letter-spacing: .32em;
    margin-bottom: 1.2rem;
}

.craft__name {
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: .1em;
    margin-bottom: .45rem;
}

.craft__name-en {
    font-size: .6rem;
    color: var(--gold);
    letter-spacing: .35em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.craft__desc {
    font-size: .83rem;
    color: rgba(255, 255, 255, .45);
    line-height: 2;
    letter-spacing: .04em;
}

/* ── 11. Products Section ── */
.products { background: var(--white); }

.products__head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 4.5rem;
}

.products__note {
    font-size: .8rem;
    color: var(--warm-gray);
    letter-spacing: .06em;
    line-height: 1.9;
    text-align: right;
    max-width: 280px;
    flex-shrink: 0;
}

.products__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: 1px solid rgba(184, 144, 42, .12);
    gap: 1px;
    background: rgba(184, 144, 42, .12);
}

.product {
    background: var(--white);
    padding: 3.2rem 2.8rem;
    position: relative;
    overflow: hidden;
    transition: background .5s var(--ease);
}

.product::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width .65s var(--ease);
}

.product:hover         { background: var(--ivory); }
.product:hover::after  { width: 100%; }

.product__pat {
    width: 52px;
    height: 52px;
    margin-bottom: 1.8rem;
    opacity: .65;
    transition: opacity .4s ease, transform .5s var(--ease);
}

.product:hover .product__pat { opacity: 1; transform: scale(1.05); }

.product__num {
    font-size: .58rem;
    color: var(--gold);
    letter-spacing: .32em;
    margin-bottom: 1rem;
}

.product__name {
    font-family: var(--font-heading);
    font-size: 2.1rem;
    font-weight: 600;
    color: var(--charcoal);
    letter-spacing: .08em;
    line-height: 1.3;
    margin-bottom: .5rem;
}

.product__en {
    font-size: .6rem;
    color: var(--gold);
    letter-spacing: .35em;
    text-transform: uppercase;
    margin-bottom: 1.6rem;
}

.product__desc {
    font-size: .83rem;
    color: var(--warm-gray);
    line-height: 2;
    letter-spacing: .04em;
}

/* ── 12. History / Timeline Section ── */
.history {
    background-image:
        linear-gradient(rgba(255, 250, 238, .68), rgba(255, 250, 238, .68)),
        url('images/pattern_fan02_tile.jpg');
    background-repeat: repeat;
    background-size: 700px 490px;
    background-color: #f5edd8;
}

.history .heading { color: var(--charcoal); }
.history .label   { color: var(--gold); }
.history .rule    { background: var(--gold); }

.timeline {
    position: relative;
    margin-top: 5rem;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 1px;
    background: linear-gradient(
        to bottom,
        transparent                  0%,
        rgba(184, 144, 42, .5)       8%,
        rgba(184, 144, 42, .5)      92%,
        transparent                 100%
    );
}

.timeline__item {
    position: relative;
    padding: 0 0 4.5rem 2.8rem;
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__dot {
    position: absolute;
    left: -.34rem;
    top: .45rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gold);
    outline: 3px solid rgba(184, 144, 42, .25);
}

.timeline__year {
    font-size: .65rem;
    color: var(--gold);
    letter-spacing: .3em;
    margin-bottom: .9rem;
}

.timeline__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--charcoal);
    letter-spacing: .08em;
    margin-bottom: .9rem;
}

.timeline__desc {
    font-size: .83rem;
    color: var(--warm-gray);
    line-height: 2;
    letter-spacing: .04em;
    max-width: 520px;
}

.timeline__item--highlight .timeline__dot {
    background: var(--gold-light);
    outline-color: rgba(212, 168, 67, .4);
    box-shadow: 0 0 12px rgba(184, 144, 42, .5);
}

.timeline__item--highlight .timeline__title { color: var(--gold); }

/* ── 13. About Section ── */
.about { background: var(--ivory); }


.about__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8rem;
    align-items: start;
}

.about__body {
    font-size: .88rem;
    color: var(--warm-gray);
    line-height: 2.5;
    letter-spacing: .05em;
    margin-bottom: 2rem;
}

.company-table {
    width: 100%;
    border-collapse: collapse;
}

.company-table tr { border-bottom: 1px solid rgba(184, 144, 42, .14); }

.company-table td {
    padding: 1.25rem 0;
    font-size: .84rem;
    vertical-align: top;
}

.company-table td:first-child {
    width: 110px;
    padding-right: 1.5rem;
    padding-top: 1.4rem;
    color: var(--gold);
    font-size: .72rem;
    letter-spacing: .12em;
}

.company-table td:last-child {
    color: var(--charcoal);
    letter-spacing: .05em;
    line-height: 1.9;
}

/* ── 14. Contact Section ── */
.contact { background: var(--white); }

.contact__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7rem;
    align-items: start;
    margin-top: 4.5rem;
}

.contact__items {
    display: flex;
    flex-direction: column;
    gap: 2.8rem;
}

.contact__item-label {
    font-size: .6rem;
    color: var(--gold);
    letter-spacing: .38em;
    text-transform: uppercase;
    margin-bottom: .5rem;
}

.contact__item-value {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--charcoal);
    letter-spacing: .06em;
}

.contact__item-value--lg {
    font-size: 1.85rem;
    font-weight: 600;
    letter-spacing: .04em;
}

.contact__item-note {
    font-size: .78rem;
    color: var(--warm-gray);
    letter-spacing: .04em;
    line-height: 1.85;
    margin-top: .4rem;
}

.contact__aside {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact__map-panel {
    border: 1px solid rgba(184, 144, 42, .18);
    overflow: hidden;
}

.contact__map-img {
    width: 100%;
    height: auto;
    display: block;
}

.contact__access-btn {
    display: block;
    text-align: center;
    padding: .9rem 1rem;
    font-size: .72rem;
    letter-spacing: .22em;
    color: var(--gold);
    text-decoration: none;
    border-top: 1px solid rgba(184, 144, 42, .18);
    background: var(--ivory);
    transition: background .25s ease, color .25s ease;
}

.contact__access-btn:hover {
    background: var(--gold);
    color: var(--white);
}

.contact__advice {
    padding: 1.6rem;
    border-left: 2px solid rgba(184, 144, 42, .3);
    font-size: .8rem;
    color: var(--warm-gray);
    line-height: 2.1;
    letter-spacing: .04em;
}

.contact__cta { margin-top: 2rem; }

/* ── 15. Footer ── */
.footer {
    background: var(--charcoal);
    padding: 5.5rem 5rem 3.5rem;
}

.footer__inner { max-width: 1120px; margin-inline: auto; }

.footer__top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, .07);
    margin-bottom: 2.5rem;
}

.footer__logo {
    font-family: var(--font-logo);
    font-size: 1.4rem;
    color: var(--white);
    letter-spacing: .22em;
    display: block;
    margin-bottom: .6rem;
}

.footer__logo-img {
    height: 94px;
    width: auto;
    display: block;
    margin-bottom: .6rem;
    filter: invert(1) brightness(2);
}

.footer__tagline {
    font-size: .6rem;
    color: rgba(255, 255, 255, .25);
    letter-spacing: .28em;
}

.footer__nav {
    display: flex;
    gap: 3rem;
    align-items: center;
    padding-top: .4rem;
}

.footer__nav a {
    font-size: .72rem;
    color: rgba(255, 255, 255, .35);
    text-decoration: none;
    letter-spacing: .1em;
    transition: color .3s ease-in-out;
}

.footer__nav a:hover { color: var(--gold); }

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer__copy {
    font-size: .62rem;
    color: rgba(255, 255, 255, .18);
    letter-spacing: .12em;
}

.footer__gold {
    width: 28px;
    height: 1px;
    background: var(--gold);
    opacity: .35;
}

/* ── 16. Skip Link (Accessibility) ── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: var(--gold);
    color: var(--white);
    padding: .5rem 1rem;
    font-size: .8rem;
    text-decoration: none;
    z-index: 300;
    transition: top .2s ease;
}

.skip-link:focus { top: 1rem; }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* ── 17. Responsive Breakpoints ── */
@media (max-width: 1080px) {
    .section, .craft          { padding: 8rem 3.5rem; }
    .nav, .nav.is-scrolled    { padding-inline: 3rem; }
    .hero                     { padding-left: 5%; }
    .hero__since, .hero__scroll { inset-inline: 3rem; }
    .products__grid, .craft__grid { grid-template-columns: repeat(2, 1fr); }
    .about__layout            { gap: 5rem; }
    .footer                   { padding-inline: 3rem; }
}

@media (max-width: 768px) {
    .section, .craft          { padding: 6rem 1.6rem; }
    .nav                      { padding: 1.3rem 1.6rem; }
    .nav.is-scrolled          { padding: 1rem 1.6rem; }
    .nav__right               { display: none; }
    .nav__burger              { display: flex; }
    .hero                     { padding-left: 0; justify-content: center; }
    .hero__content            { text-align: center; padding: 2rem 1.6rem; }
    .hero__rule               { margin: 0 auto 3.5rem; }
    .hero__since, .hero__scroll { display: none; }
    .message .rule            { margin-inline: auto; }
    .products__head, .craft__header { flex-direction: column; align-items: flex-start; }
    .products__note           { text-align: left; }
    .products__grid, .craft__grid { grid-template-columns: 1fr; }
    .timeline                 { padding-left: 2rem; }
    .timeline__item           { padding-left: 2rem; }
    .about__layout, .contact__layout { grid-template-columns: 1fr; gap: 3.5rem; }
    .footer                   { padding: 3.5rem 1.6rem 2.5rem; }
    .footer__top              { flex-direction: column; gap: 2rem; }
    .footer__nav              { flex-wrap: wrap; gap: 1.4rem; }
    .footer__bottom           { flex-direction: column-reverse; align-items: flex-start; gap: 1.2rem; }
}

@media (max-width: 480px) {
    .hero__title              { letter-spacing: .18em; }
    .hero__catch              { font-size: .9rem; letter-spacing: .08em; }
    .craft__item, .product    { padding: 2.4rem 2rem; }
}