/* ===================================================
   SMART SURFACE SOLUTIONS — MAIN STYLESHEET
   Minimalist Monochrome Design System
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* --- 1. RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --dark:   #121212;
    --light:  #F5F5F5;
    --mid:    #555555;
    --sub:    #777777;
    --white:  #FFFFFF;
    --border: #EAEAEA;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
}

img  { max-width: 100%; display: block; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }

/* --- 2. UTILITIES --- */
.container { max-width: 1400px; margin: 0 auto; padding: 0 5%; }

.tag {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--mid);
    margin-bottom: 14px;
}

h1.title,
h2.title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--dark);
    margin-bottom: 18px;
}

p.sub {
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--sub);
    line-height: 1.8;
    max-width: 560px;
}

/* --- 3. BUTTONS --- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border: 2px solid transparent;
    cursor: pointer;
    transition: background 0.28s ease, color 0.28s ease, border-color 0.28s ease;
}

.btn-dark    { background: var(--dark);  color: var(--white); border-color: var(--dark); }
.btn-dark:hover { background: #333; border-color: #333; }

.btn-outline { background: transparent; color: var(--dark);  border-color: var(--dark); }
.btn-outline:hover { background: var(--dark); color: var(--white); }

.btn-white   { background: var(--white); color: var(--dark);  border-color: var(--white); }
.btn-white:hover { background: var(--light); border-color: var(--light); }

.btn-ghost   { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.35); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.7); }

/* --- 4. TOP BAR --- */
.topbar {
    background: var(--dark);
    color: var(--white);
    padding: 9px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    font-weight: 400;
    gap: 16px;
}

.topbar a { color: rgba(255,255,255,0.75); transition: color 0.2s; }
.topbar a:hover { color: var(--white); }

.topbar-left { display: flex; align-items: center; gap: 6px; }
.topbar-left i { font-size: 0.75rem; opacity: 0.6; }

.topbar-socials { display: flex; gap: 14px; }
.topbar-socials a { font-size: 0.8rem; }

/* --- 5. HEADER / NAV --- */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 900;
}

.nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 18px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.logo img {
    height: 42px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--dark);
    letter-spacing: 0.3px;
    position: relative;
    transition: color 0.2s;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--dark);
    transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active { color: var(--dark); }

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--dark);
    transition: all 0.3s;
}

/* --- 6. MOBILE NAV OVERLAY --- */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--dark);
    z-index: 9999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 36px;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
    color: var(--white);
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: color 0.2s;
}

.mobile-nav a:hover { color: rgba(255,255,255,0.5); }

.mobile-close {
    position: absolute;
    top: 22px;
    right: 24px;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.4rem;
    cursor: pointer;
}

/* --- 7. HERO --- */
.hero {
    background: var(--dark);
    color: var(--white);
    min-height: 88vh;
    display: flex;
    align-items: center;
    padding: 100px 5%;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 75% 50%, rgba(255,255,255,0.04) 0%, transparent 65%);
    pointer-events: none;
}

.hero-inner {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero .tag { color: rgba(255,255,255,0.45); }

.hero-title {
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.08;
    color: var(--white);
    margin-bottom: 22px;
}

.hero-title em { font-style: normal; color: rgba(255,255,255,0.35); }

.hero-desc {
    font-size: 0.98rem;
    font-weight: 300;
    color: rgba(255,255,255,0.6);
    line-height: 1.85;
    margin-bottom: 40px;
    max-width: 460px;
}

.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero Visual Grid */
.hero-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 10px;
    height: 480px;
}

.hv-card {
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: flex-end;
    padding: 18px;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.85);
    overflow: hidden;
    transition: border-color 0.3s;
}

.hv-card:hover { border-color: rgba(255,255,255,0.5); }

.hv-card:nth-child(1) {
    background:
        linear-gradient(to top, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.18) 55%, transparent 100%),
        url('images/wpc-sheets/Main Image - 1.jpg') center/cover no-repeat;
}
.hv-card:nth-child(2) {
    grid-row: 1 / 3;
    background:
        linear-gradient(to top, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.1) 50%, transparent 100%),
        url('images/marble-sheets/Main Image_Marble - 1.webp') center/cover no-repeat;
}
.hv-card:nth-child(3) {
    background:
        linear-gradient(to top, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.18) 55%, transparent 100%),
        url('images/led-mirrors/LED mirror - Main.jpg') center/cover no-repeat;
}

/* --- 8. STATS --- */
.stats {
    background: var(--light);
    border-bottom: 1px solid var(--border);
    padding: 44px 5%;
}

.stats-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-num {
    display: block;
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--dark);
    line-height: 1;
}

.stat-lbl {
    display: block;
    margin-top: 6px;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--mid);
}

/* --- 9. ABOUT --- */
.about {
    padding: 100px 5%;
    background: var(--white);
}

.about-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-mosaic {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 3px;
    aspect-ratio: 4/5;
}

.mosaic-cell { transition: filter 0.4s; }
.mosaic-cell:hover { filter: brightness(1.1); }
.mc-1 { background: url('images/homepage-mosaic/1.jpg') center/cover no-repeat; }
.mc-2 { background: url('images/homepage-mosaic/2.jpg') center/cover no-repeat; }
.mc-3 { background: url('images/homepage-mosaic/3.jpg') center/cover no-repeat; }
.mc-4 { background: url('images/homepage-mosaic/4.jpg') center/cover no-repeat; }

.about-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.afeature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.afeature-icon {
    width: 40px;
    height: 40px;
    background: var(--dark);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.afeature h4 {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.afeature p {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--sub);
    line-height: 1.65;
}

/* --- 10. PRODUCTS --- */
.products {
    padding: 100px 5%;
    background: var(--light);
}

.section-head {
    max-width: 1400px;
    margin: 0 auto 56px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.products-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Product Card */
.pcard {
    background: var(--white);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.pcard:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.pcard-img {
    aspect-ratio: 4/3;
    position: relative;
    overflow: hidden;
}

.pcard-bg {
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.pcard:hover .pcard-bg { transform: scale(1.06); }

.pcard-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.pcard:hover .pcard-photo { transform: scale(1.06); }

.pcard-overlay {
    position: absolute;
    inset: 0;
    background: rgba(18,18,18,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pcard:hover .pcard-overlay { opacity: 1; }

.pcard-overlay-btn {
    color: var(--white);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    border: 1px solid rgba(255,255,255,0.5);
    padding: 12px 24px;
    transition: border-color 0.2s, background 0.2s;
}

.pcard-overlay-btn:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.08);
}

.pcard-info {
    padding: 22px 24px;
    border-top: 1px solid var(--border);
}

.pcard-cat {
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--mid);
    margin-bottom: 6px;
}

.pcard-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.pcard-desc {
    font-size: 0.83rem;
    font-weight: 300;
    color: var(--sub);
    line-height: 1.65;
}

/* Collection page images */
.bg-wpc        { background: url('images/Collection Page Images/WPC.webp') center/cover no-repeat; }
.bg-marble     { background: url('images/Collection Page Images/Marble Sheets.avif') center/cover no-repeat; }
.bg-acoustic   { background: url('images/Collection Page Images/Acoustic Panels.avif') center/cover no-repeat; }
.bg-mirror     { background: url('images/Collection Page Images/LED Mirror.webp') center/cover no-repeat; }
.bg-3d         { background: url('images/Collection Page Images/3D wall art.jpg') center/cover no-repeat; }
.bg-chandelier { background: url('images/Collection Page Images/Chandelier.jpg') center/cover no-repeat; }

/* Gallery images */
.bg-gal-marble1    { background: url('images/gallery/marble-1.jpg') center/cover no-repeat; }
.bg-gal-marble2    { background: url('images/gallery/marble-2.jpg') center/cover no-repeat; }
.bg-gal-wpc1       { background: url('images/gallery/wpc-1.jpg') center/cover no-repeat; }
.bg-gal-wpc2       { background: url('images/gallery/wpc-2.jpg') center/cover no-repeat; }
.bg-gal-wpc3       { background: url('images/gallery/wpc-3.jpg') center/cover no-repeat; }
.bg-gal-wpc4       { background: url('images/gallery/wpc-4.avif') center/cover no-repeat; }
.bg-gal-mirror1    { background: url('images/gallery/mirror-1.jpg') center/cover no-repeat; }
.bg-gal-mirror2    { background: url('images/gallery/mirror-2.jpg') center/cover no-repeat; }
.bg-gal-mirror3    { background: url('images/gallery/mirror-3.jpg') center/cover no-repeat; }
.bg-gal-acoustic1  { background: url('images/gallery/acoustic-1.jpg') center/cover no-repeat; }
.bg-gal-acoustic2  { background: url('images/gallery/acoustic-2.avif') center/cover no-repeat; }
.bg-gal-chndlr1    { background: url('images/gallery/chandelier-1.jpg') center/cover no-repeat; }
.bg-gal-chndlr2    { background: url('images/gallery/chandelier-2.jpg') center/cover no-repeat; }
.bg-gal-chndlr3    { background: url('images/gallery/chandelier-3.jpg') center/cover no-repeat; }

/* --- 11. CTA BANNER --- */
.cta {
    background: var(--dark);
    color: var(--white);
    padding: 100px 5%;
    text-align: center;
}

.cta .tag  { color: rgba(255,255,255,0.4); }
.cta .title { color: var(--white); margin: 0 auto 14px; }
.cta .sub  { color: rgba(255,255,255,0.5); margin: 0 auto 40px; }

.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* --- 12. PAGE HERO (inner pages) --- */
.page-hero {
    background: var(--dark);
    color: var(--white);
    padding: 80px 5%;
    text-align: center;
}

.page-hero .tag   { color: rgba(255,255,255,0.4); }
.page-hero .title { color: var(--white); margin: 0 auto 14px; }
.page-hero .sub   { color: rgba(255,255,255,0.5); margin: 0 auto; }

/* --- 13. COLLECTIONS PAGE --- */
.collections-wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

.coll-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 480px;
    border-bottom: 1px solid var(--border);
}

.coll-item:nth-child(even) { direction: rtl; }
.coll-item:nth-child(even) > * { direction: ltr; }

.coll-img { position: relative; overflow: hidden; }

.coll-img-bg {
    width: 100%;
    height: 100%;
    min-height: 400px;
    transition: transform 0.6s ease;
}

.coll-item:hover .coll-img-bg { transform: scale(1.04); }

.coll-content {
    padding: 60px 60px 60px 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--white);
}

.coll-feats {
    margin: 20px 0 28px;
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.coll-feats li {
    font-size: 0.84rem;
    font-weight: 400;
    color: var(--mid);
    padding-left: 18px;
    position: relative;
}

.coll-feats li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--dark);
    font-weight: 600;
}

/* --- 14. GALLERY PAGE --- */
.gallery-section {
    padding: 60px 5%;
    background: var(--white);
}

.gallery-cols {
    max-width: 1400px;
    margin: 0 auto;
    columns: 3;
    column-gap: 14px;
}

.gitem {
    break-inside: avoid;
    margin-bottom: 14px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--border);
}

.gitem-bg {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.gitem:hover .gitem-bg { transform: scale(1.08); }

.gitem-overlay {
    position: absolute;
    inset: 0;
    background: rgba(18,18,18,0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gitem:hover .gitem-overlay { opacity: 1; }

.gitem-overlay h3 {
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 6px;
    transform: translateY(8px);
    transition: transform 0.3s ease;
}

.gitem-overlay p {
    color: rgba(255,255,255,0.6);
    font-size: 0.78rem;
    font-weight: 300;
    transform: translateY(8px);
    transition: transform 0.33s 0.04s ease;
}

.gitem:hover .gitem-overlay h3,
.gitem:hover .gitem-overlay p { transform: translateY(0); }

/* Gallery item heights */
.gh-s  { height: 220px; }
.gh-m  { height: 300px; }
.gh-l  { height: 400px; }
.gh-xl { height: 520px; }

/* --- 15. QUOTE / CONTACT PAGE --- */
.quote-section {
    padding: 80px 5%;
    background: var(--white);
}

.quote-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: start;
}

.quote-contact-items {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-row {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: var(--dark);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.contact-row h4 {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--mid);
    margin-bottom: 4px;
}

.contact-row p,
.contact-row a {
    font-size: 0.9rem;
    color: var(--dark);
    transition: color 0.2s;
}

.contact-row a:hover { color: var(--mid); }

.quote-social-row {
    margin-top: 40px;
}

.quote-social-row h4 {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--mid);
    margin-bottom: 14px;
}

.quote-socials { display: flex; gap: 10px; }

.qsocial {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    font-size: 0.85rem;
    transition: all 0.28s;
}

.qsocial:hover {
    background: var(--dark);
    color: var(--white);
    border-color: var(--dark);
}

/* Form */
.qform {
    background: var(--light);
    padding: 50px;
    border: 1px solid var(--border);
}

.qform h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.qform > p {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--sub);
    margin-bottom: 32px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.fgroup { margin-bottom: 18px; }

.fgroup label {
    display: block;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--mid);
    margin-bottom: 8px;
}

.fgroup input,
.fgroup select,
.fgroup textarea {
    width: 100%;
    padding: 13px 15px;
    border: 1px solid var(--border);
    background: var(--white);
    font-family: 'Poppins', sans-serif;
    font-size: 0.88rem;
    color: var(--dark);
    outline: none;
    appearance: none;
    transition: border-color 0.2s;
}

.fgroup input:focus,
.fgroup select:focus,
.fgroup textarea:focus { border-color: var(--dark); }

.fgroup textarea { resize: vertical; min-height: 120px; }

.fgroup.full { grid-column: 1 / -1; }

.form-note {
    font-size: 0.75rem;
    color: var(--sub);
    margin-top: 14px;
}

/* --- 16. FOOTER --- */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 5% 40px;
}

.footer-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 56px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.footer-brand h2 span { font-weight: 300; }

.footer-brand p {
    font-size: 0.85rem;
    font-weight: 300;
    color: rgba(255,255,255,0.45);
    line-height: 1.75;
    margin-bottom: 28px;
    max-width: 270px;
}

.footer-socials { display: flex; gap: 10px; flex-wrap: wrap; }

.fsocial {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.55);
    font-size: 0.85rem;
    transition: all 0.28s ease;
}

.fsocial:hover {
    background: var(--white);
    color: var(--dark);
    border-color: var(--white);
}

.footer-col h4 {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.35);
    margin-bottom: 18px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col ul a {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.55);
    transition: color 0.2s;
}

.footer-col ul a:hover { color: var(--white); }

.fcontact-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 14px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.55);
}

.fcontact-item i { font-size: 0.75rem; color: rgba(255,255,255,0.3); margin-top: 4px; flex-shrink: 0; }
.fcontact-item a { color: rgba(255,255,255,0.55); transition: color 0.2s; }
.fcontact-item a:hover { color: var(--white); }

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.25);
}

/* --- 17. RESPONSIVE --- */
@media (max-width: 1100px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .hero { min-height: 72vh; }

    .about-inner { grid-template-columns: 1fr; gap: 40px; }
    .about-mosaic { aspect-ratio: 16/9; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }

    .coll-item { grid-template-columns: 1fr; min-height: auto; }
    .coll-item:nth-child(even) { direction: ltr; }
    .coll-img-bg { min-height: 320px; }
    .coll-content { padding: 40px; }

    .quote-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .nav-links,
    .nav .btn { display: none; }
    .hamburger { display: flex; }

    .topbar { font-size: 0.7rem; }
    .topbar-left span { display: none; }

    .section-head { flex-direction: column; align-items: flex-start; gap: 18px; }

    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .gallery-cols { columns: 1; }

    .form-row { grid-template-columns: 1fr; }

    .qform { padding: 28px 22px; }

    h2.title { font-size: 1.7rem; }
}

@media (max-width: 860px) {
    .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
    .hero { padding: 70px 5%; min-height: auto; }
    .products-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ===================================================
   WHATSAPP FLOATING BUTTON
   =================================================== */
.wa-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
    width: 58px;
    height: 58px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    text-decoration: none;
}

.wa-float i {
    font-size: 1.55rem;
    color: #fff;
    line-height: 1;
}

.wa-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 22px rgba(37, 211, 102, 0.6);
}

.wa-float::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(37, 211, 102, 0.4);
    animation: wa-pulse 2.2s ease-out infinite;
}

@keyframes wa-pulse {
    0%   { transform: scale(1);   opacity: 0.8; }
    70%  { transform: scale(1.35); opacity: 0; }
    100% { transform: scale(1.35); opacity: 0; }
}