/* ==========================================================================
   CSS CORE VARIABLES & ARCHITECTURE
   ========================================================================== */
:root {
    --brand-black: #111111;
    --brand-dark-charcoal: #1a1a1a;
    --brand-red: #e53935;
    --brand-red-hover: #b71c1c;
    --text-pure-white: #ffffff;
    --text-muted-gray: #e0e0e0;
    --text-dark: #212121;
    --bg-light: #f5f5f5;
    --bg-white: #ffffff;
    
    --font-stack: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max-width: 1200px;
    --focus-ring: 3px solid #ff5252;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.12);
}

/* ==========================================================================
   RESET & SYSTEM BASE STYLES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    font-family: var(--font-stack);
    color: var(--text-dark);
    background-color: var(--bg-white);
}

body {
    line-height: 1.65;
    overflow-x: hidden;
}

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

/* Accessibility Skip Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--brand-red);
    color: var(--text-pure-white);
    padding: 1rem;
    z-index: 9999;
    transition: top 0.2s ease;
    text-decoration: none;
    font-weight: bold;
}

.skip-link:focus {
    top: 0;
    outline: var(--focus-ring);
}

/* Base Accessibility Focus States */
a:focus, button:focus, input:focus, textarea:focus {
    outline: var(--focus-ring);
    outline-offset: 2px;
}

/* Helper Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography Helpers */
h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.25;
    color: var(--brand-black);
    letter-spacing: -0.025em;
}

/* ==========================================================================
   TOP INFORMATION BAR
   ========================================================================== */
.top-bar {
    background-color: var(--brand-black);
    color: var(--text-pure-white);
    font-size: 0.85rem;
    padding: 0.7rem 0;
    border-bottom: 2px solid var(--brand-red);
}

.top-bar-content {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.top-link {
    color: var(--text-muted-gray);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.top-link:hover, .top-link:focus {
    color: var(--brand-red);
}

.top-bar-right {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ==========================================================================
   STICKY NAVIGATION HEADER (WITH MODERN GLASS EFFECT)
   ========================================================================== */
.main-header {
    background-color: rgba(255, 255, 255, 0.92);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    padding: 0.9rem 0;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-text {
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--brand-black);
    letter-spacing: -0.5px;
}

.text-red {
    color: var(--brand-red);
}

.logo-link {
    text-decoration: none;
}

.nav-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.8rem;
    display: block;
}

.hamburger {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--brand-black);
    position: relative;
    transition: var(--transition-smooth);
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 3px;
    background-color: var(--brand-black);
    left: 0;
    transition: var(--transition-smooth);
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

.nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}
.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}
.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

.nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-premium);
    padding: 1rem 0;
}

.nav-menu-active {
    display: block;
}

.nav-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
}

.nav-menu a {
    display: block;
    padding: 0.9rem 1.5rem;
    color: var(--brand-black);
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    letter-spacing: 0.05em;
}

.nav-menu a:hover, .nav-menu a:focus {
    color: var(--brand-red);
    background-color: var(--bg-light);
}

/* ==========================================================================
   HERO SECTION (PREMIUM METALLIC & TEXTURED DEPTH)
   ========================================================================== */
.hero {
    background: radial-gradient(circle at center, rgba(30, 30, 30, 0.85) 0%, rgba(17, 17, 17, 0.98) 100%), var(--brand-black);
    color: var(--text-pure-white);
    padding: 4.5rem 0;
    text-align: center;
}

.hero-logo-wrapper {
    width: 100%;
    max-width: 440px;
    margin: 0 auto 2.5rem auto;
    background-color: rgba(255, 255, 255, 0.02);
    padding: 1.75rem;
    border-radius: 12px;
    border: 1px solid rgba(229, 57, 117, 0.25);
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
}

.hero-logo {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.hero-content h1 {
    color: var(--text-pure-white);
    font-size: 2.4rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-subheading {
    font-size: 1.35rem;
    color: var(--brand-red);
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-tagline {
    font-size: 1.15rem;
    color: var(--text-muted-gray);
    margin-bottom: 3rem;
}

/* Global Dynamic Buttons */
.hero-ctas {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 300px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    text-align: center;
    cursor: pointer;
    letter-spacing: 0.05em;
}

.btn-primary {
    background-color: var(--brand-red);
    color: var(--text-pure-white);
    box-shadow: 0 4px 15px rgba(229, 57, 53, 0.3);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--brand-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(229, 57, 53, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-pure-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover, .btn-secondary:focus {
    background-color: var(--text-pure-white);
    color: var(--brand-black);
    transform: translateY(-2px);
}

.btn-block {
    display: block;
    width: 100%;
}

/* ==========================================================================
   SERVICES GRID BLOCK (REFINED GRAPHICS CARDS)
   ========================================================================== */
.services-section {
    padding: 5rem 0;
    background-color: var(--bg-light);
    text-align: center;
}

.section-title {
    font-size: 1.9rem;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 65px;
    height: 4px;
    background-color: var(--brand-red);
    border-radius: 2px;
}

.text-left.section-title::after {
    left: 0;
    transform: none;
}

.section-intro {
    font-size: 1.1rem;
    max-width: 760px;
    margin: 0 auto 4rem auto;
    color: #555;
    padding: 0 1rem;
}

.section-secondary-tagline {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-black);
    margin-top: 4rem;
    padding: 1.75rem;
    border-top: 2px solid rgba(0,0,0,0.06);
    display: inline-block;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.75rem;
    text-align: left;
}

.service-card {
    background-color: var(--bg-white);
    padding: 2.75rem 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    border-left: 4px solid var(--brand-black);
    transition: var(--transition-smooth);
}

.service-card:hover, .service-card:focus-within {
    transform: translateY(-5px);
    border-left-color: var(--brand-red);
    box-shadow: var(--shadow-premium);
}

.service-icon {
    width: 44px;
    height: 44px;
    color: var(--brand-red);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 0.85rem;
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: -0.3px;
}

.service-card p {
    color: #555;
    font-size: 0.95rem;
}

/* ==========================================================================
   ABOUT US LAYOUT
   ========================================================================== */
.about-section {
    padding: 5rem 0;
    background-color: var(--bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5rem;
}

.lead-text {
    font-size: 1.2rem;
    margin-bottom: 1.25rem;
    color: var(--brand-black);
}

.about-text p {
    margin-bottom: 1.5rem;
    color: #4a4a4a;
}

.badges-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 2rem;
}

.badge {
    background-color: var(--brand-black);
    color: var(--text-pure-white);
    padding: 0.45rem 1.1rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    border-left: 3px solid var(--brand-red);
    letter-spacing: 0.05em;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.stat-card {
    background-color: var(--brand-dark-charcoal);
    color: var(--text-pure-white);
    padding: 2.5rem 1rem;
    text-align: center;
    border-radius: 6px;
    border-bottom: 3px solid rgba(255, 255, 255, 0.05);
}

.stat-number {
    display: block;
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--brand-red);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-muted-gray);
    letter-spacing: 0.05em;
}

/* ==========================================================================
   CONTACT SECTION & PREMIUM INPUT ELEMENTS
   ========================================================================== */
.contact-section {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5rem;
}

.form-container {
    background-color: var(--bg-white);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
}

.form-container h3, .direct-contact h3 {
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: #444;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font-stack);
    font-size: 1rem;
    background-color: var(--bg-light);
    transition: var(--transition-smooth);
}

.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--brand-red);
    background-color: var(--bg-white);
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.15);
}

.direct-contact p {
    margin-bottom: 2.5rem;
    color: #555;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-btn {
    display: block;
    padding: 1.1rem;
    text-decoration: none;
    color: var(--text-pure-white);
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 700;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.contact-btn:hover, .contact-btn:focus {
    transform: translateX(6px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

.wa-color { background-color: #2e7d32; }
.phone-color { background-color: var(--brand-black); }
.email-color { background-color: var(--brand-red); }

/* ==========================================================================
   DYNAMIC THREE COLUMN FOOTER (ACCESSIBLE ARCHITECTURE)
   ========================================================================== */
.main-footer {
    background-color: var(--brand-black);
    color: var(--text-pure-white);
    padding: 5rem 0 0 0;
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5rem;
    padding-bottom: 4rem;
}

.footer-col h3 {
    color: var(--text-pure-white);
    font-size: 1.15rem;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    border-left: 3px solid var(--brand-red);
    padding-left: 0.6rem;
    letter-spacing: 0.5px;
}

.disclaimer-text {
    color: #b0bec5;
    font-size: 0.85rem;
    line-height: 1.6;
}

.alignment-center {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo {
    max-height: 60px;
    width: auto;
    background: transparent;
    margin-bottom: 1.25rem;
}

.footer-col p {
    color: var(--text-muted-gray);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.footer-accent-link {
    color: var(--brand-red);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition-smooth);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-accent-link:hover, .footer-accent-link:focus {
    color: var(--text-pure-white);
}

.certification-highlight {
    font-weight: 800;
    color: var(--text-pure-white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(229, 57, 53, 0.12);
    padding: 0.6rem 0.8rem;
    border-left: 3px solid var(--brand-red);
    font-size: 0.85rem;
}

.credits-text {
    margin-top: 2rem;
    font-size: 0.85rem;
    color: #78909c;
}

.credits-text a {
    color: var(--brand-red);
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition-smooth);
}

.credits-text a:hover, .credits-text a:focus {
    color: var(--text-pure-white);
    text-decoration: underline;
}

/* Footer Bottom Strip */
.footer-bottom {
    background-color: #0d0d0d;
    padding: 1.75rem 0;
    border-top: 1px solid #212121;
    font-size: 0.8rem;
    color: #90a4ae;
}

.bottom-bar-flex {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
}

.bottom-bar-flex strong {
    color: #cfd8dc;
}

/* ==========================================================================
   RESPONSIVE MEDIA BREAKPOINTS
   ========================================================================== */

/* Tablet Layer (min-width: 640px) */
@media (min-width: 640px) {
    .top-bar-content {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .top-bar-right {
        flex-direction: row;
        gap: 1.5rem;
    }

    .hero-ctas {
        flex-direction: row;
        max-width: none;
        justify-content: center;
    }

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

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

/* Desktop Layer (min-width: 1024px) */
@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        display: block;
        position: static;
        width: auto;
        box-shadow: none;
        padding: 0;
    }

    .nav-menu ul {
        flex-direction: row;
        gap: 1.25rem;
    }

    .nav-menu a {
        padding: 0.5rem 0.75rem;
    }

    .nav-menu a:hover, .nav-menu a:focus {
        background: none;
    }

    .hero {
        padding: 7rem 0;
    }

    .hero-content h1 {
        font-size: 3.6rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }

    .about-grid {
        grid-template-columns: 1.4fr 1fr;
        align-items: center;
        gap: 4.5rem;
    }

    .contact-grid {
        grid-template-columns: 1.3fr 1fr;
        gap: 4.5rem;
    }

    .footer-grid {
        grid-template-columns: 1.3fr 1fr 1fr;
        gap: 5rem;
    }

    .bottom-bar-flex {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* ==========================================================================
   PREFERS REDUCED MOTION OVERRIDE
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .service-card:hover, .contact-btn:hover, .btn:hover {
        transform: none !important;
    }
}