/**
 * style.css — Main Stylesheet
 * Industrial Premium Theme for Sheet Metal Fabrication Company
 * Color palette: Dark Navy | Steel Gray | White | Amber Accent
 *
 * Table of Contents:
 *  1.  CSS Custom Properties (Variables)
 *  2.  Reset & Base
 *  3.  Typography
 *  4.  Topbar
 *  5.  Navbar
 *  6.  Buttons
 *  7.  Section Utilities
 *  8.  Hero Section
 *  9.  Company Overview
 * 10.  Machine Cards
 * 11.  Industries
 * 12.  Materials
 * 13.  Why Choose Us
 * 14.  Process Flow
 * 15.  Quality Section
 * 16.  Gallery Preview
 * 17.  Testimonials
 * 18.  RFQ Form
 * 19.  Newsletter
 * 20.  Footer
 * 21.  WhatsApp Float & Back to Top
 * 22.  Admin Panel
 * 23.  Responsive Breakpoints
 */

/* ══════════════════════════════════════════════
   1. CSS CUSTOM PROPERTIES
════════════════════════════════════════════════ */
:root {
    /* Core Colors */
    --navy-900:   #0d1b2a;
    --navy-800:   #1a2c4e;
    --navy-700:   #1e3a5f;
    --navy-600:   #2557a7;
    --steel-700:  #2d3748;
    --steel-500:  #4a5568;
    --steel-300:  #718096;
    --steel-100:  #e2e8f0;
    --white:      #ffffff;
    --off-white:  #f8fafc;
    --light-bg:   #f0f4f8;
    --accent:     #e07b00;        /* Amber — industrial highlight */
    --accent-lt:  #f5a623;
    --success:    #2d7d46;
    --danger:     #c0392b;

    /* Typography */
    --font-display: 'Barlow Condensed', 'Arial Narrow', Arial, sans-serif;
    --font-body:    'Source Sans 3', 'Segoe UI', Roboto, sans-serif;

    /* Sizing */
    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg:  16px;
    --transition: 0.25s ease;

    /* Shadows */
    --shadow-sm:  0 2px 8px rgba(0,0,0,.10);
    --shadow-md:  0 4px 20px rgba(0,0,0,.15);
    --shadow-lg:  0 8px 40px rgba(0,0,0,.20);
}

/* ══════════════════════════════════════════════
   2. RESET & BASE
════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--steel-700);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--navy-600); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

/* ══════════════════════════════════════════════
   3. TYPOGRAPHY
════════════════════════════════════════════════ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    color: var(--navy-800);
    letter-spacing: 0.01em;
}

.section-label {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.section-label::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 2px;
    background: var(--accent);
}
.section-label.light { color: var(--accent-lt); }
.section-label.light::before { background: var(--accent-lt); }

.section-heading {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 1rem;
}
.section-heading.light { color: var(--white); }

.section-sub {
    font-size: 1.05rem;
    color: var(--steel-500);
    max-width: 640px;
    margin: 0 auto;
}

.section-header { text-align: left; }

.lead-text {
    font-size: 1.15rem;
    color: var(--steel-500);
    margin-bottom: 1rem;
}

.py-6 { padding-top: 5rem; padding-bottom: 5rem; }

.rounded-sm { border-radius: var(--radius-sm); }
.text-accent { color: var(--accent) !important; }

/* ══════════════════════════════════════════════
   4. TOPBAR
════════════════════════════════════════════════ */
.topbar {
    background: var(--navy-900);
    padding: 0.5rem 0;
    font-size: 0.82rem;
    font-family: var(--font-display);
    letter-spacing: 0.04em;
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; }

.topbar-left span,
.topbar-right a {
    color: var(--steel-100);
    margin-right: 1.5rem;
    opacity: 0.85;
}
.topbar-left span i,
.topbar-right a i { color: var(--accent); margin-right: 0.3rem; }
.topbar-right a:hover { opacity: 1; color: var(--white); }

.btn-topbar-cta {
    background: var(--accent);
    color: var(--white) !important;
    padding: 0.25rem 0.8rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    margin-right: 0 !important;
    opacity: 1 !important;
}
.btn-topbar-cta:hover { background: var(--accent-lt); }

/* ══════════════════════════════════════════════
   5. NAVBAR
════════════════════════════════════════════════ */
#mainNav {
    background: var(--navy-800);
    border-bottom: 2px solid var(--accent);
    padding: 0;
    transition: background var(--transition), box-shadow var(--transition);
}
#mainNav.scrolled {
    background: var(--navy-900);
    box-shadow: var(--shadow-md);
}

/* Brand */
.brand-block { display: flex; align-items: center; gap: 0.75rem; }
.brand-icon {
    width: 40px; height: 40px;
    background: var(--accent);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: var(--white);
    flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; }
.brand-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 0.05em;
    line-height: 1;
}
.brand-tagline {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-lt);
}

/* Nav Links */
.navbar-nav .nav-link {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255,255,255,.82) !important;
    padding: 1.4rem 0.9rem !important;
    transition: color var(--transition);
    border-bottom: 2px solid transparent;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--accent-lt) !important;
    border-bottom-color: var(--accent);
}

/* Dropdown */
.dropdown-menu.dropdown-menu-dark {
    background: var(--navy-900);
    border: 1px solid rgba(255,255,255,.08);
    border-top: 2px solid var(--accent);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    min-width: 220px;
}
.dropdown-item {
    font-family: var(--font-display);
    font-size: 0.88rem;
    letter-spacing: 0.04em;
    color: rgba(255,255,255,.8) !important;
    padding: 0.55rem 1.25rem;
    transition: background var(--transition), color var(--transition);
}
.dropdown-item:hover { background: var(--navy-700); color: var(--accent-lt) !important; }
.dropdown-divider { border-color: rgba(255,255,255,.08); }

.btn-nav-login {
    background: transparent;
    border: 1.5px solid var(--accent) !important;
    color: var(--accent-lt) !important;
    border-radius: var(--radius-sm) !important;
    padding: 0.5rem 1rem !important;
}
.btn-nav-login:hover { background: var(--accent) !important; color: var(--white) !important; }

/* ══════════════════════════════════════════════
   6. BUTTONS
════════════════════════════════════════════════ */
.btn-accent {
    background: var(--accent);
    color: var(--white) !important;
    border: none;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition), transform var(--transition);
}
.btn-accent:hover { background: var(--accent-lt); transform: translateY(-1px); }

.btn-primary-industrial {
    background: var(--navy-700);
    color: var(--white) !important;
    border: none;
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.btn-primary-industrial:hover { background: var(--navy-800); }

.btn-ghost {
    background: transparent;
    color: var(--navy-700) !important;
    border: 1.5px solid var(--steel-300);
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.55rem 1.2rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.btn-ghost:hover { border-color: var(--navy-700); background: var(--navy-700); color: var(--white) !important; }

.btn-outline-accent {
    background: transparent;
    color: var(--white) !important;
    border: 2px solid var(--accent);
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.7rem 1.6rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.btn-outline-accent:hover { background: var(--accent); color: var(--white) !important; }

.btn-whatsapp {
    background: #25d366;
    color: var(--white) !important;
    border: none;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.btn-whatsapp:hover { background: #1ebe5d; }

.btn-dark-solid {
    background: var(--navy-800);
    color: var(--white) !important;
    border: none;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.06em;
    white-space: nowrap;
    border-radius: var(--radius-sm);
}
.btn-dark-solid:hover { background: var(--navy-900); }

/* ══════════════════════════════════════════════
   7. SECTION BACKGROUNDS
════════════════════════════════════════════════ */
.bg-light-steel { background: var(--light-bg); }
.bg-dark-navy   { background: var(--navy-800); }
.bg-accent-band { background: linear-gradient(135deg, var(--navy-800) 0%, var(--navy-700) 100%); }

/* ══════════════════════════════════════════════
   8. HERO SECTION
════════════════════════════════════════════════ */
.hero-section {
    position: relative;
    min-height: 90vh;
    background: var(--navy-900)
        url('../images/hero-bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(
        105deg,
        rgba(13,27,42,.92) 0%,
        rgba(13,27,42,.70) 60%,
        rgba(13,27,42,.30) 100%
    );
}
/* Subtle grid pattern overlay */
.hero-bg-pattern {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}
.hero-content { position: relative; z-index: 2; padding: 6rem 0; }

.min-vh-hero { min-height: 75vh; }

.hero-eyebrow {
    display: flex; align-items: center; gap: 0.6rem;
    margin-bottom: 1rem;
}
.eyebrow-line { width: 32px; height: 2px; background: var(--accent); display: block; }
.eyebrow-text {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent-lt);
}

.hero-heading {
    font-size: clamp(2.8rem, 6vw, 4.8rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.05;
    margin-bottom: 1.25rem;
}

.hero-sub {
    font-size: 1.1rem;
    color: rgba(255,255,255,.78);
    max-width: 580px;
    margin-bottom: 2rem;
    line-height: 1.65;
}

/* Capability chips */
.hero-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    color: rgba(255,255,255,.88);
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.3rem 0.75rem;
    border-radius: 2px;
    display: inline-flex; align-items: center; gap: 0.35rem;
}
.chip i { color: var(--accent); }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero-scroll-hint {
    position: absolute;
    bottom: 1.5rem; left: 50%;
    transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 0.25rem;
    color: rgba(255,255,255,.45);
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    z-index: 2;
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(-6px); }
}

/* ══════════════════════════════════════════════
   9. COMPANY OVERVIEW
════════════════════════════════════════════════ */
.stat-row { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.stat-item { display: flex; flex-direction: column; }
.stat-number {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--navy-800);
    line-height: 1;
}
.stat-unit { font-size: 1.6rem; color: var(--accent); }
.stat-label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--steel-300);
}

.overview-img-grid { display: flex; gap: 1rem; height: 440px; }
.grid-img-large { flex: 1.6; }
.grid-img-stack { flex: 1; display: flex; flex-direction: column; gap: 1rem; }
.grid-img-stack .grid-img { flex: 1; }
.overview-img-grid img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-sm); }

/* ══════════════════════════════════════════════
   10. MACHINE CARDS
════════════════════════════════════════════════ */
.machine-card {
    background: var(--white);
    border: 1px solid var(--steel-100);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
    display: flex; flex-direction: column;
}
.machine-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.machine-img-wrap { position: relative; height: 220px; overflow: hidden; }
.machine-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.machine-card:hover .machine-img { transform: scale(1.04); }

.machine-badge {
    position: absolute; top: 1rem; right: 1rem;
    width: 44px; height: 44px;
    background: var(--accent);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-size: 1.2rem;
}

.machine-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.machine-tag {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.5rem;
}
.machine-title { font-size: 1.35rem; font-weight: 800; margin-bottom: 0.75rem; }
.machine-desc  { font-size: 0.9rem; color: var(--steel-500); margin-bottom: 1rem; flex: 1; }
.machine-features {
    list-style: none; padding: 0; margin: 0 0 1.25rem;
    border-top: 1px solid var(--steel-100); padding-top: 1rem;
}
.machine-features li {
    font-size: 0.85rem; color: var(--steel-700);
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.2rem 0;
}
.machine-features li i { color: var(--accent); flex-shrink: 0; }
.machine-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ══════════════════════════════════════════════
   11. INDUSTRIES
════════════════════════════════════════════════ */
.industry-card {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius-md);
    padding: 1.5rem 1rem;
    transition: background var(--transition), border-color var(--transition);
}
.industry-card:hover {
    background: rgba(255,255,255,.10);
    border-color: var(--accent);
}
.industry-icon {
    font-size: 2rem;
    color: var(--accent-lt);
    margin-bottom: 0.75rem;
}
.industry-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.4rem;
    font-family: var(--font-display);
    letter-spacing: 0.04em;
}
.industry-desc { font-size: 0.78rem; color: rgba(255,255,255,.55); line-height: 1.5; }

/* ══════════════════════════════════════════════
   12. MATERIALS
════════════════════════════════════════════════ */
.material-card {
    padding: 1.5rem 1rem;
    border: 1px solid var(--steel-100);
    border-radius: var(--radius-md);
    transition: box-shadow var(--transition);
    background: var(--white);
}
.material-card:hover { box-shadow: var(--shadow-md); }
.material-icon { font-size: 2.2rem; margin-bottom: 0.75rem; }
.material-name { font-size: 1rem; font-weight: 700; margin-bottom: 0.3rem; }
.material-desc { font-size: 0.8rem; color: var(--steel-500); }

/* ══════════════════════════════════════════════
   13. WHY CHOOSE US
════════════════════════════════════════════════ */
.advantage-card {
    display: flex; align-items: flex-start; gap: 1.25rem;
    padding: 1.5rem;
    border: 1px solid var(--steel-100);
    border-radius: var(--radius-md);
    background: var(--white);
    transition: box-shadow var(--transition), border-color var(--transition);
}
.advantage-card:hover { box-shadow: var(--shadow-md); border-color: var(--accent); }
.advantage-icon {
    width: 52px; height: 52px; flex-shrink: 0;
    background: var(--navy-800);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; color: var(--accent);
}
.advantage-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.3rem; }
.advantage-desc  { font-size: 0.85rem; color: var(--steel-500); margin: 0; }

/* ══════════════════════════════════════════════
   14. PROCESS FLOW
════════════════════════════════════════════════ */
.process-flow {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0;
    position: relative;
}
.process-step {
    flex: 1;
    min-width: 140px;
    max-width: 180px;
    text-align: center;
    padding: 1rem 0.5rem;
    position: relative;
}
.process-icon {
    width: 64px; height: 64px;
    background: var(--accent);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: var(--white);
    margin: 0 auto 0.75rem;
    position: relative; z-index: 1;
}
.process-num {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent-lt);
    margin-bottom: 0.4rem;
}
.process-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
}
.process-desc { font-size: 0.78rem; color: rgba(255,255,255,.6); line-height: 1.5; }
.process-arrow {
    position: absolute;
    top: 2.25rem; right: -1rem;
    color: var(--accent);
    font-size: 1.4rem;
    z-index: 2;
}

/* ══════════════════════════════════════════════
   15. QUALITY SECTION
════════════════════════════════════════════════ */
.quality-list {
    list-style: none; padding: 0; margin: 1rem 0;
}
.quality-list li {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.4rem 0;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--steel-100);
}
.quality-list li:last-child { border-bottom: none; }
.quality-list li i { color: var(--accent); font-size: 1rem; flex-shrink: 0; }

.quality-visual { position: relative; }
.quality-visual img { border-radius: var(--radius-md); }
.quality-badge {
    position: absolute;
    bottom: -1rem; left: -1rem;
    background: var(--navy-800);
    color: var(--white);
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    display: flex; align-items: center; gap: 0.5rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--accent);
}
.quality-badge i { color: var(--accent); font-size: 1.3rem; }

/* ══════════════════════════════════════════════
   16. GALLERY PREVIEW
════════════════════════════════════════════════ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}
.gallery-thumb {
    position: relative; overflow: hidden;
    border-radius: var(--radius-sm);
    aspect-ratio: 4/3;
    cursor: pointer;
}
.gallery-img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}
.gallery-overlay {
    position: absolute; inset: 0;
    background: rgba(13,27,42,.72);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 0.5rem;
    opacity: 0;
    transition: opacity var(--transition);
    color: var(--white);
}
.gallery-thumb:hover .gallery-img   { transform: scale(1.08); }
.gallery-thumb:hover .gallery-overlay { opacity: 1; }
.gallery-label { font-family: var(--font-display); font-size: 0.9rem; font-weight: 600; text-align: center; padding: 0 1rem; }
.gallery-overlay i { font-size: 1.6rem; color: var(--accent); }

/* ══════════════════════════════════════════════
   17. TESTIMONIALS
════════════════════════════════════════════════ */
.testimonial-card {
    max-width: 780px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    border-top: 3px solid var(--accent);
}
.testimonial-quote-icon { font-size: 3rem; color: var(--accent); line-height: 1; margin-bottom: 1rem; }
.testimonial-text {
    font-size: 1.05rem;
    color: rgba(255,255,255,.85);
    line-height: 1.75;
    font-style: italic;
    margin-bottom: 1.5rem;
}
.testimonial-author { display: flex; align-items: center; justify-content: center; gap: 1rem; }
.author-avatar { font-size: 2.5rem; color: var(--steel-300); }
.author-info { text-align: left; display: flex; flex-direction: column; gap: 0.1rem; }
.author-name { color: var(--white); font-size: 1rem; font-weight: 700; font-family: var(--font-display); }
.author-title { font-size: 0.82rem; color: rgba(255,255,255,.65); }
.author-sector { font-size: 0.75rem; color: var(--accent-lt); display: flex; align-items: center; gap: 0.3rem; }

.testimonial-indicators { bottom: -2.5rem; }
.testimonial-indicators button {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,.3);
    border: none;
}
.testimonial-indicators button.active { background: var(--accent); }

.carousel-control-prev,
.carousel-control-next {
    width: 44px; height: 44px; top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,.08);
    border-radius: 50%;
    opacity: 1;
}
.carousel-control-prev { left: 0; }
.carousel-control-next { right: 0; }
.carousel-control-prev i,
.carousel-control-next i { font-size: 1.2rem; color: var(--white); }

/* ══════════════════════════════════════════════
   18. RFQ FORM
════════════════════════════════════════════════ */
.rfq-info-list {
    list-style: none; padding: 0; margin: 1.25rem 0;
}
.rfq-info-list li {
    display: flex; align-items: flex-start; gap: 0.75rem;
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--steel-100);
    font-size: 0.92rem;
}
.rfq-info-list li:last-child { border-bottom: none; }
.rfq-info-list li i { color: var(--accent); margin-top: 0.15rem; flex-shrink: 0; font-size: 1rem; }

.rfq-whatsapp-block { margin-top: 1.5rem; }

.rfq-form-card {
    background: var(--white);
    border: 1px solid var(--steel-100);
    border-top: 4px solid var(--accent);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.form-control {
    border-color: var(--steel-100);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: 0.65rem 0.9rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
    border-color: var(--navy-600);
    box-shadow: 0 0 0 3px rgba(37,87,167,.12);
}
.form-label {
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--steel-700);
    margin-bottom: 0.35rem;
}
.req { color: var(--danger); }

/* ══════════════════════════════════════════════
   19. NEWSLETTER
════════════════════════════════════════════════ */
.newsletter-heading {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    font-family: var(--font-display);
}
.newsletter-sub { color: rgba(255,255,255,.7); font-size: 0.9rem; margin: 0; }

.newsletter-inline-form { }
.newsletter-inline-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.newsletter-inline-row .form-control {
    flex: 1;
    min-width: 140px;
    background: rgba(255,255,255,.12);
    border-color: rgba(255,255,255,.20);
    color: var(--white);
}
.newsletter-inline-row .form-control::placeholder { color: rgba(255,255,255,.5); }
.newsletter-inline-row .form-control:focus { background: rgba(255,255,255,.18); }

/* Footer newsletter */
.footer-newsletter { }
.newsletter-label {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-lt);
    margin-bottom: 0.6rem;
}
.newsletter-row {
    display: flex;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.newsletter-row .form-control {
    flex: 1;
    background: rgba(255,255,255,.08);
    border: none;
    color: var(--white);
    border-radius: 0;
    font-size: 0.88rem;
}
.newsletter-row .form-control::placeholder { color: rgba(255,255,255,.45); }
.newsletter-row .form-control:focus { box-shadow: none; background: rgba(255,255,255,.12); }
.btn-newsletter {
    background: var(--accent);
    border: none;
    color: var(--white);
    padding: 0 1rem;
    font-size: 1rem;
    cursor: pointer;
    transition: background var(--transition);
    flex-shrink: 0;
}
.btn-newsletter:hover { background: var(--accent-lt); }

/* ══════════════════════════════════════════════
   20. FOOTER
════════════════════════════════════════════════ */
.site-footer { background: var(--navy-900); color: rgba(255,255,255,.75); }

.footer-top { padding: 4rem 0; }

.footer-intro { font-size: 0.88rem; line-height: 1.7; color: rgba(255,255,255,.6); }

.social-links { display: flex; gap: 0.6rem; }
.social-link {
    width: 38px; height: 38px;
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.7);
    font-size: 1rem;
    transition: all var(--transition);
}
.social-link:hover { background: var(--accent); border-color: var(--accent); color: var(--white); }
.social-link.whatsapp:hover { background: #25d366; border-color: #25d366; }

.footer-heading {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent-lt);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none; padding: 0; margin: 0;
}
.footer-links li { margin-bottom: 0.4rem; }
.footer-links a {
    color: rgba(255,255,255,.6);
    font-size: 0.87rem;
    display: flex; align-items: center; gap: 0.35rem;
    transition: color var(--transition);
}
.footer-links a i { font-size: 0.65rem; color: var(--accent); }
.footer-links a:hover { color: var(--white); }

.footer-contact { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.footer-contact li {
    display: flex; align-items: flex-start; gap: 0.75rem;
    margin-bottom: 0.9rem;
    font-size: 0.87rem;
}
.footer-contact li i { color: var(--accent); font-size: 1rem; flex-shrink: 0; margin-top: 0.1rem; }
.footer-contact a { color: rgba(255,255,255,.7); }
.footer-contact a:hover { color: var(--white); }

/* FAQ in footer */
.footer-faq { padding: 2.5rem 0; border-top: 1px solid rgba(255,255,255,.07); }
.faq-item { background: transparent; border-color: rgba(255,255,255,.08) !important; }
.faq-item .accordion-button {
    background: rgba(255,255,255,.04);
    color: var(--white);
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 600;
    padding: 0.9rem 1.25rem;
}
.faq-item .accordion-button:not(.collapsed) { background: rgba(255,255,255,.08); color: var(--accent-lt); }
.faq-item .accordion-button::after { filter: invert(1) brightness(0.7); }
.faq-item .accordion-body { color: rgba(255,255,255,.65); font-size: 0.88rem; }

/* Footer bottom bar */
.footer-bottom {
    background: rgba(0,0,0,.3);
    padding: 1rem 0;
    border-top: 1px solid rgba(255,255,255,.06);
}
.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.footer-bottom p { margin: 0; font-size: 0.8rem; color: rgba(255,255,255,.45); }
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: var(--accent-lt); }

/* ══════════════════════════════════════════════
   21. WHATSAPP FLOAT & BACK TO TOP
════════════════════════════════════════════════ */
.whatsapp-float {
    position: fixed;
    bottom: 5rem; right: 1.5rem;
    width: 52px; height: 52px;
    background: #25d366;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: var(--white);
    box-shadow: 0 4px 16px rgba(37,211,102,.4);
    z-index: 1000;
    transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); color: var(--white); }

.back-to-top {
    position: fixed;
    bottom: 1.5rem; right: 1.5rem;
    width: 44px; height: 44px;
    background: var(--navy-800);
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: 1rem;
    display: none;
    align-items: center; justify-content: center;
    cursor: pointer;
    z-index: 1000;
    transition: background var(--transition);
}
.back-to-top.visible { display: flex; }
.back-to-top:hover { background: var(--accent); }

/* ══════════════════════════════════════════════
   22. ADMIN PANEL
════════════════════════════════════════════════ */
.admin-wrapper { display: flex; min-height: 100vh; }
.admin-sidebar {
    width: 250px; flex-shrink: 0;
    background: var(--navy-900);
    padding: 1.5rem 0;
    position: sticky; top: 0; height: 100vh;
    overflow-y: auto;
}
.admin-main { flex: 1; padding: 2rem; background: var(--off-white); }

.admin-nav-link {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: rgba(255,255,255,.7);
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: all var(--transition);
    text-decoration: none;
}
.admin-nav-link:hover,
.admin-nav-link.active { color: var(--white); background: rgba(255,255,255,.07); border-left: 3px solid var(--accent); }
.admin-nav-link i { font-size: 1.1rem; color: var(--accent); flex-shrink: 0; }

.admin-card {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.admin-stat-card {
    border-left: 4px solid var(--accent);
    padding: 1.25rem 1.5rem;
}
.admin-stat-number { font-size: 2rem; font-weight: 800; font-family: var(--font-display); color: var(--navy-800); }
.admin-stat-label  { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--steel-300); }

.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
    background: var(--navy-800);
    color: var(--white);
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.75rem 1rem;
    text-align: left;
}
.admin-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--steel-100);
    font-size: 0.88rem;
}
.admin-table tr:hover td { background: var(--light-bg); }

.badge-new    { background: #ebf8ee; color: #2d7d46; border: 1px solid #b7e4c7; }
.badge-read   { background: #e8f0fe; color: #1a56db; border: 1px solid #bfdbfe; }
.badge-closed { background: #f5f5f5; color: var(--steel-500); border: 1px solid var(--steel-100); }

/* ══════════════════════════════════════════════
   23. RESPONSIVE BREAKPOINTS
════════════════════════════════════════════════ */
@media (max-width: 991.98px) {
    .hero-section { min-height: auto; }
    .hero-content { padding: 5rem 0 4rem; }
    .overview-img-grid { height: 300px; }
    .process-flow { gap: 1rem; }
    .process-arrow { display: none; }
    .admin-wrapper { flex-direction: column; }
    .admin-sidebar { width: 100%; height: auto; position: static; }
}

@media (max-width: 767.98px) {
    .py-6 { padding-top: 3.5rem; padding-bottom: 3.5rem; }
    .hero-heading { font-size: 2.4rem; }
    .overview-img-grid { flex-direction: column; height: auto; }
    .grid-img-stack { flex-direction: row; }
    .grid-img-stack .grid-img { height: 180px; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-row { gap: 1.5rem; }
    .topbar-right { display: none; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
    .newsletter-inline-row { flex-direction: column; }
    .rfq-form-card { padding: 1.25rem; }
    .testimonial-card { padding: 1.5rem; }
}

@media (max-width: 575.98px) {
    .hero-ctas { flex-direction: column; }
    .hero-ctas .btn { text-align: center; }
    .gallery-grid { grid-template-columns: 1fr; }
}