/* ============================================================
   Variables
   ============================================================ */
:root {
    --bg:           #0e181a;
    --bg-2:         #152022;
    --bg-card:      #162226;
    --card-bg:      #faf8f3;
    --accent:       #00e5cc;
    --accent-light: #33edd6;
    --accent-glow:  rgba(0, 229, 204, 0.28);
    --text:         #f1f0eb;
    --text-2:       #9ca3af;
    --red:          #dc2626;
    --black-suit:   #1c1c1c;
    --shadow-card:  0 20px 60px rgba(0, 0, 0, 0.65), 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-soft:  0 8px 32px rgba(0, 0, 0, 0.4);
    --hero-card-w:  272px;
    --hero-card-h:  380px;
    --hero-letter:  7.5rem;
    --prod-card-w:  205px;
    --prod-card-h:  287px;
    --nav-h:        72px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Satoshi', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ============================================================
   Nav — floating pill
   ============================================================ */
header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    pointer-events: none;
    height: 0;
}

nav {
    pointer-events: all;
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.125rem;
    background: rgba(13, 14, 23, 0.6);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    padding: 6px 6px 6px 20px;
    white-space: nowrap;
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

nav.scrolled {
    background: rgba(14, 24, 26, 0.9);
    border-color: rgba(0, 229, 204, 0.3);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 229, 204, 0.08);
}

.logo {
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    color: #00e5cc;
    letter-spacing: 0.05em;
    margin-right: 0.75rem;
    text-shadow: 0 0 8px #00e5cc, 0 0 22px rgba(0, 229, 204, 0.55);
}

.logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 0;
    list-style: none;
}

.nav-links a {
    display: block;
    color: var(--text-2);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 7px 16px;
    border-radius: 100px;
    transition: background 0.18s, color 0.18s;
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.07);
    color: var(--text);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    padding: calc(var(--nav-h) + 1.5rem) 2rem 4rem;
    position: relative;
    overflow: hidden;
    background: var(--bg);
}

/* Ambient glow blobs */
.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0.5;
}

.hero::before {
    width: 500px; height: 500px;
    top: -100px; left: -150px;
    background: radial-gradient(circle, rgba(0,229,204,0.3) 0%, transparent 70%);
}

.hero::after {
    width: 400px; height: 400px;
    bottom: -80px; right: -100px;
    background: radial-gradient(circle, rgba(0,200,190,0.22) 0%, transparent 70%);
}

/* ============================================================
   Neon Sign (hero)
   ============================================================ */

/* Background light cast on the wall — driven by JS opacity */
#neon-ambient {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    background: radial-gradient(
        ellipse 88% 70% at 50% 42%,
        rgba(0, 229, 204, 0.28) 0%,
        rgba(0, 229, 204, 0.12) 38%,
        rgba(0, 229, 204, 0.04) 62%,
        transparent 78%
    );
}
.neon-sign-wrapper {
    position: relative;
    z-index: 1;
    padding: 2rem 2.5rem;
    max-width: 94vw;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(0, 229, 204, 0.12);
    border-radius: 28px;
    box-shadow:
        0 0 80px rgba(0, 0, 0, 0.6),
        inset 0 0 50px rgba(0, 0, 0, 0.4);
    transition: border-color 0.3s, box-shadow 0.3s;
}

/* Lit-up state added by JS once sign powers on */
.neon-sign-wrapper.sign-on {
    border-color: rgba(0, 229, 204, 0.35);
    box-shadow:
        0 0 80px rgba(0, 0, 0, 0.6),
        0 0 60px rgba(0, 229, 204, 0.12),
        inset 0 0 50px rgba(0, 0, 0, 0.4);
}

.neon-sign {
    display: flex;
    gap: 0.05em;
    user-select: none;
    line-height: 1;
}

.neon-letter {
    font-size: clamp(5.5rem, 16vw, 17rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1;
    /* starts off — GSAP animates to fully lit */
    color: rgba(0, 80, 72, 0.25);
    -webkit-tap-highlight-color: transparent;
    cursor: default;
}

/* ============================================================
   Letter Cards (hero spelling)
   ============================================================ */
.lc-letter {
    font-size: var(--hero-letter);
    font-weight: 800;
    line-height: 1;
    user-select: none;
    display: block;
    letter-spacing: -0.02em;
}

.lc-corner {
    position: absolute;
    font-size: 1.8rem;
    font-weight: 700;
    user-select: none;
    line-height: 1;
}

.lc-corner.tl { top: 16px; left: 18px; }
.lc-corner.br { bottom: 16px; right: 18px; transform: rotate(180deg); }

/* ============================================================
   Card corners — shared (used by product cards)
   ============================================================ */
.card-corner {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.1;
    gap: 1px;
    user-select: none;
}

.card-corner .rank { font-size: 0.9rem; font-weight: 800; }
.card-corner .suit { font-size: 0.7rem; }
.card-corner.tl { top: 8px; left: 8px; }
.card-corner.br { bottom: 8px; right: 8px; transform: rotate(180deg); }

.card-center-suit {
    font-size: 3.5rem;
    line-height: 1;
    user-select: none;
}

/* ============================================================
   Hero Cards
   ============================================================ */
.hero-card {
    position: absolute;
    width: var(--hero-card-w);
    height: var(--hero-card-h);
    perspective: 1000px;
    cursor: pointer;
    z-index: 1;
}

.hero-card-inner {
    width: 100%; height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-card:hover .hero-card-inner { transform: rotateY(180deg); }

.hero-card-front,
.hero-card-back {
    position: absolute; inset: 0;
    border-radius: 16px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.hero-card-front {
    background: linear-gradient(165deg, #ffffff 0%, #f5f2ec 100%);
    box-shadow:
        0 24px 64px rgba(0, 0, 0, 0.55),
        0 0 0 1px rgba(255, 255, 255, 0.65) inset,
        0 0 52px rgba(0, 229, 204, 0.2);
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: #0e0e14;
}

/* Hover swipe shine */
.hero-card-front::after {
    content: '';
    position: absolute;
    top: 0; left: -130%;
    width: 65%; height: 100%;
    background: linear-gradient(
        105deg,
        transparent 20%,
        rgba(255, 255, 255, 0.45) 50%,
        transparent 80%
    );
    pointer-events: none;
    transition: left 0.6s ease;
    z-index: 2;
}

.hero-card:hover .hero-card-front::after {
    left: 165%;
}

.hero-card-front.black-suit,
.hero-card-front.red-suit   { color: #0e0e14; }

/* Teal neon glow on corner suit symbols */
.hero-card-front .lc-corner {
    color: #00e5cc;
    opacity: 1;
    text-shadow:
        0 0 5px #00e5cc,
        0 0 14px rgba(0, 229, 204, 0.7),
        0 0 32px rgba(0, 229, 204, 0.3);
}

/* Card back — clean white with gloss shine and subtle ♠ */
.hero-card-back {
    background: linear-gradient(
        150deg,
        #ffffff  0%,
        #faf8f3 50%,
        #eee8de 100%
    );
    box-shadow: var(--shadow-card);
    transform: rotateY(180deg);
    border-radius: 16px;
    overflow: hidden;
}

/* Diagonal gloss highlight */
.hero-card-back::before {
    content: '';
    position: absolute;
    top: -40%; left: -40%;
    width: 180%; height: 180%;
    background: linear-gradient(
        140deg,
        rgba(255, 255, 255, 0.6)  0%,
        rgba(255, 255, 255, 0.15) 30%,
        rgba(255, 255, 255, 0)    55%
    );
    pointer-events: none;
    z-index: 1;
}

/* Centred ♠ watermark */
.hero-card-back::after {
    content: '♠';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 6rem;
    color: rgba(0, 229, 204, 0.18);
    text-shadow: 0 0 24px rgba(0, 229, 204, 0.35);
    pointer-events: none;
    user-select: none;
    z-index: 0;
}

/* ============================================================
   Hero Content
   ============================================================ */
.hero-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.1rem;
    z-index: 1;
}

.hero-title {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-2);
}

.hero-sub {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: clamp(0.85rem, 1.6vw, 1.15rem);
    max-width: 680px;
    line-height: 1.7;
    white-space: nowrap;
}

.json-line {
    display: inline-flex;
    align-items: baseline;
}

/* JSON-style subtitle */
.json-brace {
    font-weight: 700;
    font-size: 1.1em;
    color: #00e5cc;
    text-shadow: 0 0 10px rgba(0,229,204,0.7), 0 0 24px rgba(0,229,204,0.35);
}
.json-key  { color: #e2cfb0; font-weight: 500; }
.json-it   {
    color: #00e5cc;
    font-weight: 700;
    text-shadow: 0 0 8px rgba(0,229,204,0.6), 0 0 20px rgba(0,229,204,0.25);
}
.json-colon { color: var(--text-2); font-weight: 400; }
.json-val   { color: #7fb5a0; font-weight: 400; }

.bkt-mid {
    display: inline-block;
    width: 0;
    overflow: hidden;
    white-space: nowrap;
    vertical-align: baseline;
}

/* Two-button layout */
.hero-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.25rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Primary — teal neon fill */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1.75rem;
    background: #00e5cc;
    color: #091214;
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: inherit;
    letter-spacing: 0.01em;
    border: 1.5px solid #00e5cc;
    box-shadow: 0 0 10px rgba(0, 229, 204, 0.25);
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}

.btn-primary:hover {
    background: #33edd6;
    border-color: #33edd6;
    box-shadow: 0 0 32px rgba(0, 229, 204, 0.6), 0 0 64px rgba(0, 229, 204, 0.2);
    transform: translateY(-1px);
}

/* Ghost — subtle outline */
.btn-ghost {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.75rem;
    background: transparent;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.btn-ghost:hover {
    border-color: rgba(0, 229, 204, 0.45);
    color: #00e5cc;
    background: rgba(0, 229, 204, 0.06);
}

/* ============================================================
   Products Section
   ============================================================ */
.products {
    padding: 10rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
}

.section-intro {
    text-align: center;
    margin-bottom: 5rem;
}

.section-intro h2 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 0.6rem;
    line-height: 1.1;
}

.section-intro p {
    color: var(--text-2);
    font-size: 1.05rem;
}

.product-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}

/* ============================================================
   Product Cards — hero-card visual style, scrolled in
   ============================================================ */
.prod-card {
    position: relative;
    width: var(--prod-card-w);
    height: var(--prod-card-h);
    perspective: 1000px;
    cursor: pointer;
    flex-shrink: 0;
}

.prod-card-inner {
    width: 100%; height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Resting state after intro animation: name face showing */
.prod-card.flippable .prod-card-inner          { transform: rotateY(180deg); }
/* Hover: flip forward to detail face */
.prod-card.flippable:hover .prod-card-inner    { transform: rotateY(360deg); }

.prod-card-deal,
.prod-card-name,
.prod-card-detail {
    position: absolute; inset: 0;
    border-radius: 14px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Deal face (D/E/A/L) and name face share card appearance */
.prod-card-deal,
.prod-card-name {
    background: var(--bg-card);
    box-shadow:
        0 18px 52px rgba(0, 0, 0, 0.52),
        0 0 0 1px rgba(0, 229, 204, 0.18) inset,
        0 0 40px rgba(0, 229, 204, 0.12);
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--text);
}

/* Name face is the "back" of the deal flip */
.prod-card-name { transform: rotateY(180deg); }

/* Shine swipe on hover */
.prod-card-deal::after,
.prod-card-name::after {
    content: '';
    position: absolute;
    top: 0; left: -130%;
    width: 65%; height: 100%;
    background: linear-gradient(
        105deg,
        transparent 20%,
        rgba(255, 255, 255, 0.45) 50%,
        transparent 80%
    );
    pointer-events: none;
    transition: left 0.6s ease;
    z-index: 2;
}
.prod-card:hover .prod-card-deal::after,
.prod-card.flippable:hover .prod-card-name::after { left: 165%; }

/* Teal neon corner symbols */
.prod-card-deal .lc-corner,
.prod-card-name .lc-corner {
    font-size: 1.25rem;
    color: #00e5cc;
    opacity: 1;
    text-shadow:
        0 0 5px #00e5cc,
        0 0 14px rgba(0, 229, 204, 0.7),
        0 0 28px rgba(0, 229, 204, 0.3);
}
.prod-card-deal .lc-corner.tl,
.prod-card-name .lc-corner.tl { top: 10px; left: 12px; }
.prod-card-deal .lc-corner.br,
.prod-card-name .lc-corner.br { bottom: 10px; right: 12px; }

/* Big letter on deal face */
.prod-card-deal .lc-letter {
    font-size: calc(var(--prod-card-w) * 0.55);
    color: #00e5cc;
    text-shadow:
        0 0 10px rgba(0, 229, 204, 0.8),
        0 0 30px rgba(0, 229, 204, 0.4),
        0 0 60px rgba(0, 229, 204, 0.15);
}

/* Product name on name face */
.prod-card-name .pc-name {
    font-size: 1rem;
    font-weight: 700;
    color: #00e5cc;
    text-shadow:
        0 0 8px rgba(0, 229, 204, 0.8),
        0 0 24px rgba(0, 229, 204, 0.35);
    letter-spacing: 0.06em;
    text-align: center;
    text-transform: uppercase;
}

/* Detail face — hidden until .flippable is added, sits at rotateY(0) */
.prod-card-detail {
    display: none;
    transform: rotateY(0deg);
    background: var(--bg-card);
    border: 1px solid rgba(0, 229, 204, 0.15);
    padding: 1.4rem 1.2rem;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.65rem;
    box-shadow: 0 18px 52px rgba(0, 0, 0, 0.52);
}

.prod-card.flippable .prod-card-detail { display: flex; }

.prod-card-detail h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.prod-card-detail p {
    font-size: 0.8rem;
    color: var(--text-2);
    line-height: 1.55;
}

.card-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.25rem;
    color: #00e5cc;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    transition: color 0.18s, gap 0.18s;
}

.card-cta:hover { color: #33edd6; gap: 0.5rem; }

/* ============================================================
   About
   ============================================================ */
.about {
    padding: 10rem 0 10rem;
    background: var(--bg);
    overflow: hidden;
}

/* ── Ticker ── */
.about-ticker {
    width: 100%;
    background: #00e5cc;
    overflow: hidden;
    padding: 0.55rem 0;
    margin-bottom: 6rem;
    border-top:    1px solid rgba(0, 0, 0, 0.12);
    border-bottom: 1px solid rgba(0, 0, 0, 0.12);
}

.about-ticker-track {
    display: flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.tk-item {
    display: inline-flex;
    align-items: baseline;
    gap: 0.3em;
    padding: 0 1.8rem;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 14px; /* whole pixel — avoids subpixel text jitter */
}

.tk-exc {
    font-weight: 700;
    color: #091214;
    background: rgba(0, 0, 0, 0.12);
    padding: 0.1em 0.4em;
    border-radius: 3px;
}

.tk-colon {
    color: #091214;
    font-weight: 700;
    margin-right: 0.2em;
}

.tk-msg {
    color: #0a1f1e;
    font-weight: 400;
}

.tk-sep {
    color: rgba(0, 0, 0, 0.3);
    font-size: 9px;
    padding: 0 0.5rem;
    flex-shrink: 0;
}

/* ── About body ── */
.about-inner {
    max-width: 660px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.about-inner h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.about-inner p {
    color: var(--text-2);
    font-size: 1rem;
    line-height: 1.7;
}

/* ============================================================
   Contact
   ============================================================ */
.contact {
    background: var(--bg-2);
    padding: 10rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.contact-inner {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.contact-inner h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.contact-inner > p {
    color: var(--text-2);
    margin-bottom: 2.75rem;
    font-size: 1rem;
}

#contact-form {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    text-align: left;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 0.875rem 1rem;
    color: var(--text);
    font-size: 0.925rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-2); }

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    background: rgba(129, 140, 248, 0.04);
}

.form-group textarea { resize: vertical; min-height: 130px; }

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.75rem 1.75rem;
    background: #00e5cc;
    color: #091214;
    border: 1.5px solid #00e5cc;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: inherit;
    letter-spacing: 0.01em;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 229, 204, 0.25);
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
    margin-top: 0.25rem;
}

.submit-btn:hover {
    background: #33edd6;
    border-color: #33edd6;
    box-shadow: 0 0 32px rgba(0, 229, 204, 0.6), 0 0 64px rgba(0, 229, 204, 0.2);
    transform: translateY(-1px);
}

.submit-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.form-result {
    margin-top: 0.75rem;
    font-size: 0.875rem;
    min-height: 1.4em;
    text-align: center;
}

.form-result.success { color: #6ee7b7; }
.form-result.error   { color: #fca5a5; }

/* ============================================================
   Footer
   ============================================================ */
footer {
    text-align: center;
    padding: 2.5rem 2rem;
    font-size: 0.8rem;
    color: #003d36;
    border-top: none;
    background: #00e5cc;
}

footer a {
    color: #003d36;
    text-decoration: none;
    font-weight: 500;
}

footer a:hover {
    text-decoration: underline;
}

/* ============================================================
   Responsive
   ============================================================ */

/* ── Laptop / small monitor ──────────────────────────────── */
@media (max-width: 1100px) {
    .products { padding: 8rem 2rem; }
    .about    { padding: 8rem 0; }
    .contact  { padding: 8rem 2rem; }
}

/* ── Tablet ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    :root {
        --prod-card-w: 185px;
        --prod-card-h: 259px;
    }

    .nav-links a {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    .neon-sign-wrapper { padding: 1.5rem 2rem; }

    .hero {
        gap: 1.75rem;
        padding: calc(var(--nav-h) + 1rem) 1.5rem 3rem;
    }

    .hero-sub { font-size: clamp(0.65rem, 2.8vw, 1rem); }

    .products       { padding: 7rem 1.5rem; }
    .section-intro  { margin-bottom: 3.5rem; }
    .about          { padding: 7rem 0; }
    .about-ticker   { margin-bottom: 4rem; }
    .contact        { padding: 7rem 1.5rem; }
}

/* ── Phone ───────────────────────────────────────────────── */
@media (max-width: 480px) {
    :root {
        --prod-card-w: 152px;
        --prod-card-h: 213px;
    }

    nav {
        top: 10px;
        padding: 5px 5px 5px 14px;
        gap: 0;
    }

    .logo {
        font-size: 0.95rem;
        margin-right: 0.5rem;
    }

    .nav-links a {
        font-size: 0.75rem;
        padding: 5px 9px;
    }

    .neon-sign-wrapper {
        padding: 1rem 1.25rem;
        overflow: hidden;
    }

    .neon-letter { font-size: clamp(4rem, 14vw, 5.5rem); }

    .hero {
        gap: 1.25rem;
        padding: calc(var(--nav-h) + 0.75rem) 1rem 2.5rem;
    }

    .hero-sub { font-size: clamp(0.62rem, 3vw, 0.9rem); }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .btn-primary,
    .btn-ghost { width: 100%; justify-content: center; }

    .products       { padding: 5rem 1rem; }
    .section-intro  { margin-bottom: 2.5rem; }
    .product-grid   { gap: 1.25rem; }

    .lc-corner             { font-size: 1rem; }
    .lc-corner.tl          { top: 8px; left: 10px; }
    .lc-corner.br          { bottom: 8px; right: 10px; }
    .prod-card-detail      { padding: 1rem 0.9rem; }
    .prod-card-detail h3   { font-size: 0.9rem; }
    .prod-card-detail p    { font-size: 0.74rem; }

    .about          { padding: 5rem 0; }
    .about-ticker   { margin-bottom: 3rem; }
    .about-inner    { padding: 0 1.25rem; }

    .contact        { padding: 5rem 1rem; }
    .contact-inner  { max-width: 100%; }
    .submit-btn     { width: 100%; }
}

/* ── Small phone ─────────────────────────────────────────── */
@media (max-width: 360px) {
    :root {
        --prod-card-w: 138px;
        --prod-card-h: 193px;
    }

    .nav-links { display: none; }

    .neon-letter { font-size: clamp(3.2rem, 13vw, 4rem); }
}