:root {
    --dark: #0f0f1a;
    --dark2: #1a1a2e;
    --dark3: #212741;
    --red: rgb(221, 38, 38);
    --blue: #0c09bd;
    --white: #f5f5f5;
    --grey: #9aa0b4;
    --border: rgba(255,255,255,0.08);
    --card-bg: rgba(255,255,255,0.04);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--dark);
    color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

a { text-decoration: none; color: inherit; }

img { max-width: 100%; }

section { padding: 90px 0; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ─── SECTION HEADING ─── */
.section-label {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 14px;
}
.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 18px;
}
.section-sub {
    font-size: 16px;
    color: var(--grey);
    line-height: 1.7;
    max-width: 560px;
}
.section-head { margin-bottom: 56px; }
.section-head.center { text-align: center; }
.section-head.center .section-sub { margin: 0 auto; }

/* ─── BUTTONS ─── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--red);
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.5px;
    padding: 14px 28px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.btn-primary:hover { background: #b51e1e; transform: translateY(-2px); }

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.5px;
    padding: 13px 28px;
    border: 1.5px solid rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all 0.3s;
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.07); }

.btn-blue {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--blue);
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.5px;
    padding: 14px 28px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}
.btn-blue:hover { background: #0a07a0; transform: translateY(-2px); }

/* ─── NAVBAR ─── */
#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 0 0;
    transition: all 0.4s;
}
#navbar.scrolled {
    background: rgba(15,15,26,0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 30px rgba(0,0,0,0.5);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 20px;
}
.nav-logo img {
    height: 52px;
    object-fit: contain;
    filter: brightness(1.1);
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}
.nav-links a {
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 8px 14px;
    color: rgba(245,245,245,0.8);
    transition: color 0.3s;
    text-transform: uppercase;
}
.nav-links a:hover { color: var(--red); }
.nav-links .nav-cta a {
    background: var(--red);
    color: #fff;
    padding: 9px 20px;
}
.nav-links .nav-cta a:hover { background: #b51e1e; }
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}
.hamburger span {
    display: block;
    width: 26px; height: 2px;
    background: var(--white);
    transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
    display: none;
    flex-direction: column;
    background: rgba(15,15,26,0.99);
    padding: 20px;
    gap: 4px;
}
.mobile-menu a {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.5px;
    padding: 12px 16px;
    color: var(--white);
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
}
.mobile-menu.active { display: flex; }

/* ─── HERO ─── */
#hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('../images/Testimonials/photo_6183581651934758473_y.jpg');
    background-size: cover;
    background-position: center;
    filter: brightness(0.99) saturate(0.9);
    transform: scale(1.05);
    animation: heroZoom 10s ease-out forwards;
}
@keyframes heroZoom {
    from { transform: scale(1.05); }
    to { transform: scale(1); }
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(15,15,26,0.4) 20%, rgba(12,9,189,0.15) 50%);
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 740px;
    padding-top: 60px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(221,38,38,0.5);
    padding: 6px 14px;
    margin-bottom: 28px;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--red);
    animation: fadeInUp 0.6s ease forwards;
}
.hero-badge::before {
    content: '';
    display: block;
    width: 20px; height: 2px;
    background: var(--red);
}
.hero-title {
    font-size: clamp(36px, 5.5vw, 68px);
    font-weight: 900;
    line-height: 1.08;
    margin-bottom: 24px;
    animation: fadeInUp 0.7s 0.1s ease both;
}
.hero-title em {
    font-style: normal;
    color: var(--red);
}
.hero-sub {
    font-size: clamp(15px, 2vw, 18px);
    color: rgba(245,245,245,0.75);
    line-height: 1.7;
    max-width: 560px;
    margin-bottom: 40px;
    animation: fadeInUp 0.7s 0.2s ease both;
}
.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.7s 0.3s ease both;
}
.hero-scroll {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    letter-spacing: 2px;
    color: rgba(245,245,245,0.4);
}
.hero-scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--red), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0%,100% { opacity: 0.4; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.1); }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── TRUST BAR ─── */
#trust {
    background: var(--dark2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 40px 0;
}
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}
.trust-item {
    text-align: center;
    padding: 20px 24px;
    border-right: 1px solid var(--border);
}
.trust-item:last-child { border-right: none; }
.trust-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 40px;
    font-weight: 900;
    color: var(--red);
    line-height: 1;
    display: block;
}
.trust-label {
    font-size: 13px;
    color: var(--grey);
    margin-top: 6px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* ─── ABOUT ─── */
#about {
    background: var(--dark);
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}
.about-image-wrap {
    position: relative;
}
.about-image-wrap img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    display: block;
}
.about-image-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--red);
    padding: 20px 28px;
    font-family: 'Montserrat', sans-serif;
    text-align: center;
}
.about-image-badge strong {
    display: block;
    font-size: 36px;
    font-weight: 900;
    line-height: 1;
}
.about-image-badge span { font-size: 12px; letter-spacing: 1px; text-transform: uppercase; }
.about-text p {
    font-size: 15.5px;
    line-height: 1.8;
    color: rgba(245,245,245,0.75);
    margin-bottom: 20px;
}
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 40px;
}
.value-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 24px 20px;
    transition: all 0.3s;
}
.value-card:hover { border-color: var(--red); background: rgba(221,38,38,0.06); }
.value-card .icon {
    width: 40px; height: 40px;
    background: rgba(221,38,38,0.15);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 12px;
    font-size: 18px;
    color: var(--red);
}
.value-card h5 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.value-card p {
    font-size: 13px;
    color: var(--grey);
    line-height: 1.6;
}

/* ─── SERVICES ─── */
#services {
    background: var(--dark2);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
}
.service-card {
    background: var(--dark3);
    padding: 40px 32px;
    border-left: 3px solid transparent;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--red);
    transition: width 0.4s;
}
.service-card:hover { border-left-color: var(--red); }
.service-card:hover::before { width: 100%; }
.service-icon {
    font-size: 32px;
    color: var(--red);
    margin-bottom: 20px;
    display: block;
}
.service-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
}
.service-card p {
    font-size: 14px;
    color: var(--grey);
    line-height: 1.7;
}

/* ─── INDUSTRIES ─── */
#industries { background: var(--dark); }
.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
}
.industry-card {
    position: relative;
    height: 260px;
    overflow: hidden;
    cursor: default;
}
.industry-card-bg {
    position: absolute;
    inset: 0;
    background: var(--dark3);
    transition: transform 0.5s;
}
.industry-card:hover .industry-card-bg { transform: scale(1.05); }
.industry-card-inner {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--border);
    transition: border-color 0.3s;
}
.industry-card:hover .industry-card-inner { border-color: var(--red); }
.industry-icon {
    font-size: 40px;
    color: var(--red);
    margin-bottom: 16px;
    transition: transform 0.3s;
}
.industry-card:hover .industry-icon { transform: scale(1.2); }
.industry-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.industry-card p { font-size: 13px; color: var(--grey); line-height: 1.5; }

/* ─── MATERIALS ─── */
#materials { background: var(--dark2); }
.materials-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}
.grades-table {
    width: 100%;
    border-collapse: collapse;
}
.grades-table thead tr {
    background: var(--red);
}
.grades-table th {
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 14px 18px;
    text-align: left;
}
.grades-table td {
    padding: 12px 18px;
    font-size: 14px;
    color: rgba(245,245,245,0.8);
    border-bottom: 1px solid var(--border);
}
.grades-table tr:hover td { background: rgba(255,255,255,0.03); }
.grades-table .grade-tag {
    display: inline-block;
    background: rgba(221,38,38,0.15);
    color: var(--red);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    letter-spacing: 0.5px;
}
.materials-right p {
    font-size: 15px;
    color: var(--grey);
    line-height: 1.8;
    margin-bottom: 20px;
}
.materials-right ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 24px;
}
.materials-right ul li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(245,245,245,0.8);
}
.materials-right ul li::before {
    content: '';
    display: block;
    width: 6px; height: 6px;
    background: var(--red);
    flex-shrink: 0;
}

/* ─── SHOWCASE / GALLERY ─── */
#showcase { background: var(--dark); }
.gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 40px;
}
.filter-btn {
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 8px 18px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--grey);
    cursor: pointer;
    transition: all 0.3s;
}
.filter-btn:hover, .filter-btn.active {
    background: var(--red);
    border-color: var(--red);
    color: #fff;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
}
.gallery-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
    display: block;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15,15,26,0.85) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
    display: flex;
    align-items: flex-end;
    padding: 16px;
}
.gallery-item:hover .gallery-item-overlay { opacity: 1; }
.gallery-item-overlay span {
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
}
/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.95);
    align-items: center;
    justify-content: center;
}
.lightbox.active { display: flex; }
.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border: 1px solid var(--border);
}
.lightbox-close {
    position: absolute;
    top: 24px; right: 28px;
    font-size: 28px;
    color: #fff;
    cursor: pointer;
    background: none;
    border: none;
    line-height: 1;
}
.lightbox-label {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    color: var(--grey);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ─── PRODUCTS ─── */
#products { background: var(--dark2); }
.products-tabs-nav {
    display: flex;
    gap: 0;
    margin-bottom: 0;
    border-bottom: 2px solid var(--border);
}
.tab-btn {
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 14px 28px;
    background: transparent;
    border: none;
    color: var(--grey);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s;
}
.tab-btn.active { color: var(--red); border-bottom-color: var(--red); }
.tab-content { display: none; padding-top: 48px; }
.tab-content.active { display: flex; gap: 56px; align-items: center; }
.tab-content img {
    width: 380px;
    height: 300px;
    object-fit: cover;
    flex-shrink: 0;
}
.tab-text h3 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 16px;
}
.tab-text p {
    font-size: 15px;
    color: var(--grey);
    line-height: 1.8;
    margin-bottom: 20px;
}
.tab-text ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.tab-text ul li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(245,245,245,0.85);
}
.tab-text ul li i { color: var(--red); font-size: 12px; }

/* ─── WHY CHOOSE US ─── */
#why { background: var(--dark); }
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
}
.why-card {
    background: var(--dark2);
    padding: 40px 32px;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
}
.why-card:hover { border-bottom-color: var(--red); background: var(--dark3); }
.why-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 56px;
    font-weight: 900;
    color: rgba(221,38,38,0.12);
    line-height: 1;
    margin-bottom: 16px;
}
.why-icon { font-size: 28px; color: var(--red); margin-bottom: 16px; }
.why-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.why-card p { font-size: 14px; color: var(--grey); line-height: 1.7; }

/* ─── TESTIMONIALS ─── */
#testimonials { background: var(--dark2); }
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.testimonial-card {
    background: var(--dark3);
    border: 1px solid var(--border);
    padding: 32px 28px;
    position: relative;
}
.testimonial-card::before {
    content: '"';
    font-family: Georgia, serif;
    font-size: 80px;
    color: rgba(221,38,38,0.2);
    position: absolute;
    top: 10px; right: 20px;
    line-height: 1;
}
.testimonial-card p {
    font-size: 14px;
    color: var(--grey);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}
.testimonial-avatar {
    width: 46px; height: 46px;
    border-radius: 50%;
    background: var(--dark2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 16px;
    color: var(--red);
    border: 2px solid rgba(221,38,38,0.4);
}
.testimonial-author strong { display: block; font-size: 14px; font-weight: 700; }
.testimonial-author span { font-size: 12px; color: var(--grey); }
.testimonial-stars { color: #f5a623; font-size: 12px; margin-bottom: 12px; }

/* ─── CONTACT ─── */
#contact { background: var(--dark); }
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 64px;
}
.contact-info h3 { font-size: 28px; margin-bottom: 20px; }
.contact-info p { font-size: 15px; color: var(--grey); line-height: 1.8; margin-bottom: 36px; }
.info-row {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
    align-items: flex-start;
}
.info-row .icon-wrap {
    width: 44px; height: 44px;
    background: rgba(221,38,38,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--red);
    flex-shrink: 0;
}
.info-row h5 { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; color: var(--grey); }
.info-row a, .info-row p { font-size: 14px; color: rgba(245,245,245,0.85); line-height: 1.6; margin: 0; }
.social-links { display: flex; gap: 12px; margin-top: 32px; }
.social-links a {
    width: 40px; height: 40px;
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    color: var(--grey);
    transition: all 0.3s;
}
.social-links a:hover { border-color: var(--red); color: var(--red); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--grey);
}
.form-group input,
.form-group textarea,
.form-group select {
    background: var(--dark2);
    border: 1px solid var(--border);
    color: var(--white);
    padding: 13px 16px;
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s;
    width: 100%;
}
.form-group select option { background: var(--dark2); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--red); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-status { font-size: 14px; margin-top: 8px; }
.form-status.success { color: #4ade80; }
.form-status.error { color: var(--red); }

/* ─── MAP ─── */
#map-section { background: var(--dark2); padding: 0; }
#map-section iframe { display: block; width: 100%; height: 400px; border: none; filter: grayscale(0.5) brightness(0.8); }

/* ─── FOOTER ─── */
footer {
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: 24px 0;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--grey);
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  font-size: 16px;
  color: var(--grey);
  transition: color 0.3s;
}
.footer-social a:hover { color: var(--red); }

/* ─── WHATSAPP FLOAT ─── */
.whatsapp-float {
    position: fixed;
    bottom: 28px; right: 28px;
    z-index: 999;
    width: 56px; height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #fff;
    box-shadow: 0 6px 24px rgba(37,211,102,0.4);
    transition: transform 0.3s, box-shadow 0.3s;
    animation: pulse-wa 3s ease-in-out infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,211,102,0.6); }
@keyframes pulse-wa {
    0%,100% { box-shadow: 0 6px 24px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 6px 32px rgba(37,211,102,0.7); }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-image-wrap { max-height: 400px; overflow: hidden; }
    .about-image-wrap img { height: 400px; }
    .materials-layout { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    section { padding: 64px 0; }
    .nav-links { display: none; }
    .hamburger { display: flex; }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-item:nth-child(2) { border-right: none; }
    .trust-item:nth-child(3) { border-top: 1px solid var(--border); border-right: 1px solid var(--border); }
    .trust-item:nth-child(4) { border-top: 1px solid var(--border); border-right: none; }
    .services-grid { grid-template-columns: 1fr; }
    .industries-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .products-tabs-nav { flex-wrap: wrap; }
    .tab-content.active { flex-direction: column; }
    .tab-content img { width: 100%; height: 240px; }
    .why-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .values-grid { grid-template-columns: 1fr; }
    .hero-btns { flex-direction: column; align-items: flex-start; }
    .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .trust-grid { grid-template-columns: 1fr 1fr; }
    .industries-grid { grid-template-columns: 1fr 1fr; }
}