/* ============================================
   SS AIR & COOLING SOLUTION
   Professional Industrial Website Stylesheet
   ============================================ */

:root {
    --blue:        #0e2c7a;
    --blue-mid:    #1a4ab9;
    --blue-light:  #e6ecf8;
    --green:       #1a6b2f;
    --green-light: #e6f2e9;
    --red:         #c8001e;
    --steel:       #8899bb;
    --steel-light: #d0d9ec;
    --off-white:   #f3f5fa;
    --dark:        #0a0f1e;
    --text:        #1a1e2e;
    --text-muted:  #556080;
    --border:      rgba(14,44,122,0.12);
    --font-display: 'Rajdhani', sans-serif;
    --font-body:    'DM Sans', sans-serif;
    --shadow-card:  0 2px 16px rgba(14,44,122,0.08);
    --radius:       4px;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
    background: var(--off-white);
    color: var(--text);
    font-family: var(--font-body);
    overflow-x: hidden;
    font-size: 15px;
    line-height: 1.6;
}

/* ============================
   WHATSAPP FLOAT
   ============================ */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    left: 24px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #25D366;
    color: white;
    text-decoration: none;
    padding: 12px 20px 12px 14px;
    border-radius: 50px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}
.whatsapp-float:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(37,211,102,0.5);
}
.wa-label { white-space: nowrap; }

/* ============================
   SIDE DOWNLOAD BUTTON
   ============================ */
.side-catalogue-btn {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%) rotate(180deg);
    writing-mode: vertical-rl;
    background: var(--red);
    color: white;
    text-decoration: none;
    padding: 22px 10px;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    z-index: 1000;
    transition: background 0.2s, padding 0.2s;
    border-left: 3px solid rgba(255,255,255,0.12);
}
.side-catalogue-btn:hover { background: #a0001a; padding: 26px 10px; }

/* ============================
   NAVBAR
   ============================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    height: 68px;
    background: var(--blue);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 2px 16px rgba(0,0,0,0.3);
}

.logo { display:flex; align-items:center; gap:12px; text-decoration: none; }

/* Logo image — dark navbar background, so we keep natural colours
   and just cap the height. On mobile we shrink slightly. */
.logo-img {
    height: 44px;
    width: auto;
    object-fit: contain;
    /* subtle drop-shadow so the dark logo edges don't vanish on dark bg */
    filter: drop-shadow(0 0 6px rgba(255,255,255,0.15));
    flex-shrink: 0;
}

.logo-text { display:flex; flex-direction:column; line-height:1; }
.logo-main {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    color: white;
    letter-spacing: 0.5px;
}
.logo-sub {
    font-size: 0.6rem;
    color: var(--steel);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-top: 3px;
}

.nav-right { display:flex; align-items:center; gap:12px; }
.nav-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--steel);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-phone:hover { color: white; }
.nav-cta {
    background: var(--green);
    color: white;
    text-decoration: none;
    padding: 8px 18px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1px;
    border-radius: var(--radius);
    transition: background 0.2s;
    white-space: nowrap;
}
.nav-cta:hover { background: #145a26; }

/* ============================
   PAGE HEADER
   ============================ */
.page-header {
    background: var(--blue);
    padding: 72px 5% 64px;
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid var(--green);
}

.header-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 64px),
        repeating-linear-gradient(0deg,  rgba(255,255,255,0.025) 0, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 64px);
    pointer-events: none;
}

.header-inner { position:relative; z-index:2; max-width: 700px; }

.header-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--green-light);
    margin-bottom: 18px;
    opacity: 0.85;
}
.badge-dot {
    width: 6px; height: 6px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%,100% { opacity:1; transform:scale(1); }
    50%      { opacity:0.5; transform:scale(1.4); }
}

.header-title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.05;
    color: white;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}
.header-title em {
    font-style: normal;
    color: var(--steel-light);
}

.header-desc {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--steel);
    max-width: 580px;
    margin-bottom: 36px;
}

.header-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 36px;
}
.stat { display:flex; flex-direction:column; gap:3px; }
.stat-num {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: white;
    line-height:1;
}
.stat-num small { font-size:1rem; color:var(--steel); }
.stat-label { font-size:0.65rem; letter-spacing:1.5px; text-transform:uppercase; color:var(--steel); }
.stat-div { width:1px; height:40px; background:rgba(255,255,255,0.1); }

.header-actions { display:flex; gap:14px; flex-wrap:wrap; }
.btn-primary {
    display: inline-block;
    background: var(--green);
    color: white;
    text-decoration: none;
    padding: 14px 32px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 1px;
    border-radius: var(--radius);
    transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background:#145a26; transform:translateY(-1px); }

.btn-ghost {
    display: inline-block;
    border: 1.5px solid rgba(255,255,255,0.25);
    color: white;
    text-decoration: none;
    padding: 13px 28px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 1px;
    border-radius: var(--radius);
    transition: border-color 0.2s, background 0.2s;
}
.btn-ghost:hover { border-color:white; background:rgba(255,255,255,0.07); }

/* Decorative rings */
.header-decoration {
    position: absolute;
    right: 6%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    pointer-events: none;
}
.deco-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.06);
}
.ring-1 { width:320px; height:320px; top:-160px; left:-160px; }
.ring-2 { width:220px; height:220px; top:-110px; left:-110px; border-color:rgba(255,255,255,0.09); }
.ring-3 { width:120px; height:120px; top:-60px;  left:-60px;  border-color:rgba(255,255,255,0.14); }
.deco-gear {
    position: absolute;
    top: -80px;
    left: -80px;
    font-size: 10rem;
    opacity: 0.04;
    animation: spin 40s linear infinite;
}
@keyframes spin { to { transform:rotate(360deg); } }

/* ============================
   CATALOGUE GALLERY
   ============================ */
.catalog-gallery { padding: 52px 5% 72px; }
.container { max-width: 960px; margin: 0 auto; }

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--steel-light);
}
.section-tag {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-muted);
}
.section-tag.light { color: rgba(255,255,255,0.5); }
.section-tag.light .tag-line { background: rgba(255,255,255,0.25); }
.tag-line { display:inline-block; width:24px; height:2px; background:var(--red); }

.page-tracker {
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 1px;
    color: var(--text-muted);
}
#current-page { color: var(--blue-mid); font-weight: 700; }

/* Gallery */
.image-gallery { display:flex; flex-direction:column; }

.gallery-item {
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.65s ease-out, transform 0.65s ease-out;
    background: white;
    border: 1px solid var(--steel-light);
    border-bottom: none;
    overflow: hidden;
}
.gallery-item:first-child { border-top: 3px solid var(--blue-mid); }
.gallery-item:last-child  { border-bottom: 1px solid var(--steel-light); }
.gallery-item.visible     { opacity:1; transform:translateY(0); }
.gallery-item:hover { box-shadow: 0 6px 32px rgba(14,44,122,0.13); z-index:2; }

.page-chip {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--blue);
    color: white;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    padding: 4px 10px;
    letter-spacing: 1px;
    z-index: 3;
    line-height:1.4;
}

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

.img-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 9px 14px;
    background: var(--blue);
    border-top: 1px solid rgba(255,255,255,0.06);
    font-family: var(--font-display);
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--steel);
}

/* Download row */
.catalogue-download-row {
    display: flex;
    justify-content: center;
    padding-top: 44px;
    border-top: 1px solid var(--steel-light);
    margin-top: 40px;
}
.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--blue);
    color: white;
    text-decoration: none;
    padding: 16px 36px;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    border-radius: var(--radius);
    position: relative;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 4px 4px 0 var(--red);
}
.download-btn:hover { background:#0a2060; transform:translate(-2px,-2px); box-shadow:6px 6px 0 var(--red); }

/* ============================
   CONTACT SECTION
   ============================ */
.contact-section {
    background: var(--blue);
    padding: 72px 5%;
    border-top: 3px solid var(--green);
    position: relative;
    overflow: hidden;
}
.contact-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(90deg, rgba(255,255,255,0.02) 0, rgba(255,255,255,0.02) 1px, transparent 1px, transparent 64px),
        repeating-linear-gradient(0deg,  rgba(255,255,255,0.02) 0, rgba(255,255,255,0.02) 1px, transparent 1px, transparent 64px);
    pointer-events: none;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
    position: relative;
    z-index: 1;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: white;
    line-height: 1.1;
    margin: 14px 0 16px;
}
.contact-title em { font-style:normal; color:var(--steel-light); }

.contact-intro { color:var(--steel); font-size:0.95rem; margin-bottom:32px; line-height:1.7; }

.info-blocks { display:flex; flex-direction:column; gap:20px; margin-bottom:32px; }
.info-block { display:flex; align-items:flex-start; gap:14px; }
.info-icon {
    flex-shrink:0;
    width: 38px; height: 38px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex; align-items:center; justify-content:center;
    border-radius: var(--radius);
    color: var(--steel-light);
}
.info-label { display:block; font-size:0.65rem; letter-spacing:2px; text-transform:uppercase; color:var(--steel); margin-bottom:3px; font-family:var(--font-display); }
.info-val { display:block; color:white; font-size:0.9rem; line-height:1.55; }
.info-val.mono { font-family:monospace; font-size:0.85rem; letter-spacing:1px; color:#a0b4d8; }
.info-link { display:block; color:#4ade80; text-decoration:none; font-size:0.95rem; font-weight:600; margin-top:2px; }
.info-link:hover { text-decoration:underline; }

.wa-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #25D366;
    color: white;
    text-decoration: none;
    padding: 13px 26px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    border-radius: 50px;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 16px rgba(37,211,102,0.3);
}
.wa-btn:hover { transform:translateY(-2px); box-shadow:0 8px 24px rgba(37,211,102,0.4); }

/* Contact Form */
.contact-form-wrap {
    background: white;
    border-radius: var(--radius);
    padding: 36px 32px;
    border-top: 3px solid var(--green);
    box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}

.contact-form { display:flex; flex-direction:column; gap:18px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { display:flex; flex-direction:column; gap:6px; }

label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-family: var(--font-display);
}

input, select, textarea {
    border: 1.5px solid var(--steel-light);
    border-radius: var(--radius);
    padding: 11px 14px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text);
    background: var(--off-white);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    width: 100%;
    /* Prevent iOS zoom on focus (font-size must be ≥16px for that) */
    font-size: max(16px, 0.9rem);
}
input:focus, select:focus, textarea:focus {
    border-color: var(--blue-mid);
    box-shadow: 0 0 0 3px rgba(26,74,185,0.1);
    background: white;
}
textarea { resize: vertical; min-height: 110px; font-size: 0.9rem; }
select { cursor: pointer; }

.form-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--blue);
    color: white;
    border: none;
    padding: 15px 28px;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    /* Larger tap target on mobile */
    min-height: 48px;
    touch-action: manipulation;
}
.form-submit:hover { background: var(--blue-mid); transform: translateY(-1px); }
.form-submit:active { transform: translateY(0); }

.form-note { font-size:0.75rem; color:var(--text-muted); text-align:center; }

.form-success {
    display: none;
    background: var(--green-light);
    border: 1.5px solid var(--green);
    color: var(--green);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.88rem;
    font-weight: 600;
    text-align: center;
}

/* ============================
   FOOTER
   ============================ */
.site-footer {
    background: var(--dark);
    padding: 28px 5%;
    border-top: 3px solid var(--blue);
}
.footer-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.footer-left { display:flex; align-items:center; gap:14px; }
.footer-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 4px rgba(255,255,255,0.1));
}
.footer-brand-text { display:flex; flex-direction:column; gap:2px; }
.footer-brand-text strong { color:white; font-family:var(--font-display); font-size:0.95rem; letter-spacing:0.5px; }
.footer-brand-text span { color:#4a5568; font-size:0.72rem; }
.footer-brand-text .gstin { font-family:monospace; font-size:0.68rem; color:#3a4558; letter-spacing:1px; }
.footer-right { display:flex; flex-direction:column; align-items:flex-end; gap:4px; }
.footer-right span { color:#3a4558; font-size:0.72rem; }

/* ============================
   RESPONSIVE — TABLET (≤820px)
   ============================ */
@media (max-width: 820px) {
    .contact-grid { grid-template-columns:1fr; gap:40px; }
    .header-decoration { display:none; }
    .form-row { grid-template-columns:1fr; }
    .nav-phone { display:none; }
    .footer-right { align-items:flex-start; }

    /* Slightly smaller logo text on tablet */
    .logo-main { font-size: 0.95rem; }
    .logo-sub  { font-size: 0.55rem; }
}

/* ============================
   RESPONSIVE — MOBILE (≤560px)
   ============================ */
@media (max-width: 560px) {
    /* Navbar compact */
    .navbar {
        height: 58px;
        padding: 0 4%;
    }
    .logo-img {
        height: 36px; /* smaller logo on mobile */
    }
    .logo-main { font-size: 0.85rem; }
    .logo-sub  { display: none; } /* hide tagline on very small screens */
    .nav-cta   { padding: 7px 13px; font-size: 0.78rem; letter-spacing: 0.5px; }

    /* Side catalogue button smaller */
    .side-catalogue-btn {
        font-size: 0.65rem;
        padding: 16px 8px;
        letter-spacing: 1.5px;
    }

    /* Header */
    .page-header { padding: 52px 5% 44px; }
    .header-stats { flex-wrap: wrap; gap: 16px; }

    /* Gallery */
    .catalog-gallery { padding: 36px 4% 52px; }

    /* Contact */
    .contact-section { padding: 52px 4%; }
    .contact-form-wrap { padding: 24px 20px; }

    /* WhatsApp float — icon-only circle */
    .wa-label { display: none; }
    .whatsapp-float { padding: 12px; border-radius: 50%; }

    /* Footer stacked */
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
    .footer-right { align-items: flex-start; }
    .footer-logo  { height: 32px; }
}

/* ============================
   RESPONSIVE — VERY SMALL (≤380px)
   ============================ */
@media (max-width: 380px) {
    .logo-img   { height: 30px; }
    .logo-main  { font-size: 0.78rem; }
    .navbar     { height: 52px; }
}
/* ============================
   UPDATED PHONE + LOGO ICON
   ============================ */
.logo-icon-box { flex-shrink:0; display:flex; align-items:center; }
.logo-img {
    height: 56px;
    width: auto;
    object-fit: contain;
    display: block;
}
.footer-logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
    margin-bottom: 12px;
}

/* ============================
   NAV LINKS (desktop)
   ============================ */
.nav-links {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
    margin: 0 auto 0 24px;
}
.nav-links > li > a {
    display: block;
    padding: 8px 14px;
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: var(--radius);
    transition: color 0.2s, background 0.2s;
    white-space: nowrap;
}
.nav-links > li > a:hover,
.nav-links > li.open > a { color: white; background: rgba(255,255,255,0.09); }

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 220px;
    background: var(--dark);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    padding: 6px 0;
    z-index: 500;
    box-shadow: 0 12px 36px rgba(0,0,0,0.4);
    list-style: none;
}
.has-dropdown:hover .dropdown,
.has-dropdown.open .dropdown { display: block; }
.dropdown li a {
    display: block;
    padding: 9px 18px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.82rem;
    transition: background 0.15s, color 0.15s;
}
.dropdown li a:hover { background: rgba(255,255,255,0.06); color: white; }

/* Hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}
.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}
.nav-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.mobile-drawer {
    position: fixed;
    top: 0; right: -280px;
    width: 270px;
    height: 100vh;
    background: var(--dark);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    padding: 80px 24px 32px;
    gap: 4px;
    transition: right 0.3s ease;
    border-left: 1px solid rgba(255,255,255,0.06);
}
.mobile-drawer.open { right: 0; }
.mobile-drawer a {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    padding: 11px 16px;
    border-radius: var(--radius);
    transition: background 0.15s;
}
.mobile-drawer a:hover { background: rgba(255,255,255,0.07); color: white; }
.mobile-drawer .drawer-phone { color: #4ade80; margin-top: 16px; }
.drawer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
}
.drawer-overlay.open { display: block; }

/* ============================
   PRODUCTS SECTION
   ============================ */
.products-section {
    padding: 72px 5%;
    background: var(--off-white);
}
.section-header-centered {
    text-align: center;
    margin-bottom: 48px;
}
.section-header-centered .section-tag {
    justify-content: center;
    margin-bottom: 14px;
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.15;
}
.section-subtitle {
    color: var(--text-muted);
    font-size: 0.97rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.product-card {
    background: white;
    border: 1px solid var(--steel-light);
    border-radius: 6px;
    padding: 28px 24px 22px;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
    border-top: 3px solid transparent;
}
.product-card:hover {
    box-shadow: var(--shadow-card);
    border-top-color: var(--blue-mid);
    transform: translateY(-3px);
}
.product-card.highlight-card { border-top-color: var(--green); }
.product-icon {
    color: var(--blue-mid);
    margin-bottom: 4px;
}
.product-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.25;
}
.product-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
}
.card-arrow {
    margin-top: auto;
    font-size: 1.1rem;
    color: var(--blue-mid);
    font-weight: 700;
    align-self: flex-end;
    transition: transform 0.2s;
}
.product-card:hover .card-arrow { transform: translateX(4px); }

/* ============================
   APPLICATIONS SECTION
   ============================ */
.applications-section {
    padding: 72px 5%;
    background: white;
    border-top: 1px solid var(--steel-light);
}
.applications-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}
.app-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 12px;
    background: var(--off-white);
    border: 1px solid var(--steel-light);
    border-radius: 6px;
    text-align: center;
    transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
    cursor: default;
}
.app-card:hover {
    box-shadow: var(--shadow-card);
    border-color: var(--blue-mid);
    transform: translateY(-3px);
}
.app-icon { font-size: 2rem; line-height: 1; }
.app-card span {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.3px;
    line-height: 1.3;
}

/* ============================
   ABOUT SECTION
   ============================ */
.about-section {
    padding: 80px 5%;
    background: var(--off-white);
    border-top: 1px solid var(--steel-light);
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: start;
    max-width: 1100px;
    margin: 0 auto;
}
.about-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    color: var(--text);
    margin: 12px 0 4px;
    line-height: 1.15;
}
.about-tagline {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--green);
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
}
.about-desc {
    font-size: 0.93rem;
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 14px;
}
.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 28px 0;
    padding: 24px;
    background: var(--blue);
    border-radius: 6px;
}
.astat { display: flex; flex-direction: column; gap: 3px; text-align: center; }
.astat-num {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    line-height: 1;
}
.astat-label { font-size: 0.62rem; letter-spacing: 1px; text-transform: uppercase; color: var(--steel); }

.about-features { display: flex; flex-direction: column; gap: 0; }
.feature-block {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 24px 0;
    border-bottom: 1px solid var(--steel-light);
}
.feature-block:last-child { border-bottom: none; }
.feature-icon {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    background: var(--blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    border-radius: var(--radius);
    margin-top: 2px;
}
.feature-block h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}
.feature-block p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin: 0;
}

/* ============================
   CTA BANNER
   ============================ */
.cta-banner {
    background: var(--green);
    padding: 40px 5%;
}
.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
}
.cta-text h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 6px;
}
.cta-text p { color: rgba(255,255,255,0.8); font-size: 0.9rem; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-wa-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #25D366;
    color: white;
    text-decoration: none;
    padding: 13px 24px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    border-radius: 50px;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.cta-wa-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.25); }
.cta-banner .btn-primary { background: white; color: var(--green); }
.cta-banner .btn-primary:hover { background: #f0f9f4; }

/* ============================
   FOOTER TOP / BOTTOM
   ============================ */
.footer-top {
    background: #0d1526;
    padding: 56px 5% 40px;
    border-top: 3px solid var(--blue-mid);
}
.footer-top-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.2fr 1.3fr;
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
}
.footer-logo-row { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-name {
    display: block;
    color: white;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.2;
}
.footer-tagline { font-size: 0.72rem; color: #4ade80; letter-spacing: 1px; }
.footer-about { font-size: 0.8rem; color: #4a5568; line-height: 1.7; margin-bottom: 12px; }
.footer-gstin { font-family: monospace; font-size: 0.68rem; color: #3a4558; letter-spacing: 1px; }

.footer-links-col h4 {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: 16px;
}
.footer-links-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links-col ul li a {
    color: #4a5568;
    text-decoration: none;
    font-size: 0.82rem;
    transition: color 0.15s;
}
.footer-links-col ul li a:hover { color: rgba(255,255,255,0.7); }

.footer-contact-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: #4a5568;
    font-size: 0.82rem;
    line-height: 1.5;
}
.footer-contact-list li svg { color: var(--steel); flex-shrink: 0; margin-top: 2px; }
.footer-contact-list li a { color: #4a5568; text-decoration: none; transition: color 0.15s; }
.footer-contact-list li a:hover { color: rgba(255,255,255,0.7); }

.footer-bottom {
    background: var(--dark);
    padding: 16px 5%;
    border-top: 1px solid rgba(255,255,255,0.04);
}
.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    margin: 0 auto;
    gap: 16px;
    flex-wrap: wrap;
}
.footer-bottom-inner span { color: #3a4558; font-size: 0.72rem; }

/* Remove old simple site-footer if needed */
.site-footer { background: none; padding: 0; border-top: none; }
.footer-inner { display: none; }

/* ============================
   RESPONSIVE ADDITIONS
   ============================ */
@media (max-width: 1024px) {
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .applications-grid { grid-template-columns: repeat(4, 1fr); }
    .footer-top-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .about-grid { gap: 48px; }
}

@media (max-width: 900px) {
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .about-grid { grid-template-columns: 1fr; gap: 32px; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
    .products-grid { grid-template-columns: 1fr 1fr; }
    .applications-grid { grid-template-columns: repeat(3, 1fr); }
    .cta-inner { flex-direction: column; align-items: flex-start; }
    .footer-top-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
    .products-grid { grid-template-columns: 1fr; }
    .applications-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-top-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }
    .cta-text h3 { font-size: 1.2rem; }
    .products-section, .applications-section, .about-section { padding: 52px 4%; }
}