/* ═══════════════════════════════════════════════════════════════════════════
   BETONSCAN - Industrial Precision Design System
   "Vision Through Concrete"
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────────────────
   DESIGN TOKENS & CSS CUSTOM PROPERTIES
   ───────────────────────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Core Colors - Industrial Palette */
    --color-concrete-950: #0a0a0b;
    --color-concrete-900: #121214;
    --color-concrete-800: #1a1a1e;
    --color-concrete-700: #252529;
    --color-concrete-600: #35353b;
    --color-concrete-500: #4a4a52;
    --color-concrete-400: #6b6b75;
    --color-concrete-300: #9898a3;
    --color-concrete-200: #c4c4cc;
    --color-concrete-100: #e8e8ec;
    --color-concrete-50: #f5f5f7;

    /* Accent - Safety Orange */
    --color-accent: #ff6b35;
    --color-accent-bright: #ff8c5a;
    --color-accent-dim: #cc5529;
    --color-accent-glow: rgba(255, 107, 53, 0.4);

    /* Secondary - Scanner Blue */
    --color-scan: #00d4ff;
    --color-scan-dim: #0099b8;
    --color-scan-glow: rgba(0, 212, 255, 0.3);

    /* Semantic */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Text Colors */
    --color-text: var(--color-concrete-100);
    --color-text-muted: var(--color-concrete-400);

    /* Typography */
    --font-display: 'Bebas Neue', Impact, sans-serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

    /* Font Sizes - Fluid Scale */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
    --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
    --text-4xl: clamp(2.5rem, 1.75rem + 3.75vw, 4rem);
    --text-5xl: clamp(3rem, 2rem + 5vw, 5.5rem);
    --text-hero: clamp(3.5rem, 2.5rem + 5vw, 7rem);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-section: clamp(4rem, 3rem + 5vw, 8rem);

    /* Borders & Radii */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --border-thin: 1px solid var(--color-concrete-700);
    --border-accent: 2px solid var(--color-accent);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--color-accent-glow);
    --shadow-scan: 0 0 20px var(--color-scan-glow);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-Index Scale */
    --z-base: 1;
    --z-elevated: 10;
    --z-overlay: 100;
    --z-modal: 1000;
    --z-toast: 1100;

    /* Grid */
    --container-max: 1320px;
    --grid-gap: clamp(1rem, 0.5rem + 2.5vw, 2rem);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-concrete-100);
    background-color: var(--color-concrete-900);
    overflow-x: hidden;
}

/* Concrete Texture Overlay - Applied to body */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: -1;
}

/* ─────────────────────────────────────────────────────────────────────────────
   TYPOGRAPHY
   ───────────────────────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: 0.02em;
    line-height: 1.1;
    color: var(--color-concrete-50);
    text-transform: uppercase;
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    color: var(--color-concrete-300);
    margin-bottom: var(--space-md);
}

.lead {
    font-size: var(--text-lg);
    color: var(--color-concrete-200);
    line-height: 1.7;
}

/* Accent Text */
.text-accent { color: var(--color-accent); }
.text-scan { color: var(--color-scan); }
.text-muted { color: var(--color-concrete-400) !important; }

/* Technical/Mono Text */
.text-mono {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    letter-spacing: 0.05em;
}

/* Gradient Text */
.text-gradient {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-bright) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ─────────────────────────────────────────────────────────────────────────────
   LINKS
   ───────────────────────────────────────────────────────────────────────────── */
a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-bright);
}

/* Underline Link Style */
.link-underline {
    position: relative;
    display: inline-block;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.link-underline:hover::after {
    width: 100%;
}

/* ─────────────────────────────────────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────────────────────────────────────── */
.btn {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: var(--text-sm);
    letter-spacing: 0.03em;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
}

/* Primary Button - Glowing Orange */
.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dim) 100%);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent-bright) 0%, var(--color-accent) 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px var(--color-accent-glow), 0 8px 30px rgba(0, 0, 0, 0.3);
    color: white;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

/* Secondary Button - Ghost Style */
.btn-outline-secondary,
.btn-secondary {
    background: transparent;
    color: var(--color-concrete-100);
    border: 2px solid var(--color-concrete-500);
}

.btn-outline-secondary:hover,
.btn-secondary:hover {
    background: var(--color-concrete-700);
    border-color: var(--color-concrete-400);
    color: var(--color-concrete-50);
    transform: translateY(-2px);
}

/* Large Button */
.btn-lg {
    padding: 1.125rem 2.5rem;
    font-size: var(--text-base);
}

/* Light Button (for dark backgrounds) */
.btn-light {
    background: var(--color-concrete-50);
    color: var(--color-concrete-900);
}

.btn-light:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ─────────────────────────────────────────────────────────────────────────────
   NAVIGATION
   ───────────────────────────────────────────────────────────────────────────── */
.navbar {
    background: rgba(10, 10, 11, 0.85) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-md) 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-overlay);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 11, 0.95) !important;
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    letter-spacing: 0.05em;
    color: var(--color-concrete-50) !important;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.navbar-brand .text-primary {
    color: var(--color-accent) !important;
}

/* Logo Scan Line Effect */
.navbar-brand::before {
    content: '';
    width: 3px;
    height: 24px;
    background: var(--color-accent);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--color-accent-glow);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.6; transform: scaleY(0.8); }
}

.navbar-nav .nav-link {
    color: var(--color-concrete-300) !important;
    font-weight: 500;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-sm) var(--space-md) !important;
    position: relative;
    transition: color var(--transition-fast);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.navbar-nav .nav-link:hover {
    color: var(--color-concrete-50) !important;
}

.navbar-nav .nav-link:hover::after {
    width: 80%;
}

.navbar-nav .nav-link.active {
    color: var(--color-accent) !important;
}

.navbar-nav .nav-link.active::after {
    width: 80%;
}

/* Language Switcher */
.navbar .btn-link {
    color: var(--color-concrete-400);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    text-decoration: none;
    border: 1px solid var(--color-concrete-600);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.navbar .btn-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* Mobile Menu */
.navbar-toggler {
    border: none;
    padding: var(--space-sm);
    background: var(--color-concrete-800);
    border-radius: var(--radius-sm);
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23ff6b35' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

/* ─────────────────────────────────────────────────────────────────────────────
   HERO SECTION
   ───────────────────────────────────────────────────────────────────────────── */
.hero {
    min-height: auto;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: calc(80px + var(--space-2xl));
    padding-bottom: var(--space-xl);
    background:
        radial-gradient(ellipse at 20% 80%, rgba(255, 107, 53, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 40%),
        var(--color-concrete-900);
    overflow: hidden;
}

/* Grid Pattern Overlay */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 107, 53, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 107, 53, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    pointer-events: none;
}

/* Radar Scan Effect */
.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    transform: translate(-50%, -50%);
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        rgba(0, 212, 255, 0.1) 30deg,
        transparent 60deg
    );
    animation: radar-sweep 8s linear infinite;
    pointer-events: none;
    opacity: 0.5;
}

@keyframes radar-sweep {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-content {
    position: relative;
    z-index: var(--z-base);
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-concrete-800);
    border: 1px solid var(--color-concrete-600);
    padding: var(--space-xs) var(--space-md);
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
    animation: fade-in-up 0.8s ease-out;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Hero Title */
.hero h1 {
    margin-bottom: var(--space-md);
    animation: fade-in-up 0.8s ease-out 0.1s both;
}

.hero h1 span {
    display: block;
}

/* Stroke Text Effect */
.hero h1 .stroke-text {
    -webkit-text-stroke: 2px var(--color-accent);
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.hero .lead {
    max-width: 540px;
    animation: fade-in-up 0.8s ease-out 0.2s both;
}

.hero .btn {
    animation: fade-in-up 0.8s ease-out 0.3s both;
}

/* Hero Image */
.hero-image {
    position: relative;
    animation: fade-in-scale 1s ease-out 0.4s both;
}

.hero-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-concrete-700);
}

/* Scan Line Animation on Hero Image */
.hero-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-scan), transparent);
    box-shadow: 0 0 20px var(--color-scan), 0 0 40px var(--color-scan-glow);
    animation: scan-line 3s ease-in-out infinite;
}

@keyframes scan-line {
    0%, 100% { top: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* ─────────────────────────────────────────────────────────────────────────────
   SECTIONS
   ───────────────────────────────────────────────────────────────────────────── */
section {
    padding: var(--space-section) 0;
    position: relative;
}

.section-dark {
    background: var(--color-concrete-950);
}

.section-gradient {
    background:
        linear-gradient(180deg, var(--color-concrete-900) 0%, var(--color-concrete-950) 100%);
}

/* Section Header */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-sm);
    display: block;
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

/* ─────────────────────────────────────────────────────────────────────────────
   USP / FEATURE CARDS
   ───────────────────────────────────────────────────────────────────────────── */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--grid-gap);
}

.feature-card {
    background: var(--color-concrete-800);
    border: 1px solid var(--color-concrete-700);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-concrete-600);
    box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dim));
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow-glow);
}

.feature-card h5 {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: var(--text-lg);
    text-transform: none;
    letter-spacing: 0;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: var(--text-sm);
    margin-bottom: 0;
}

/* ─────────────────────────────────────────────────────────────────────────────
   SERVICE CARDS
   ───────────────────────────────────────────────────────────────────────────── */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--grid-gap);
}

.service-card {
    background: var(--color-concrete-800);
    border: 1px solid var(--color-concrete-700);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    border-color: var(--color-accent);
}

.service-card-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    filter: grayscale(30%);
}

.service-card:hover .service-card-image img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

/* Scan Overlay Effect */
.service-card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, var(--color-concrete-800) 100%);
}

.service-card-image::before {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(180deg, transparent, rgba(0, 212, 255, 0.2), transparent);
    transition: top 0.6s ease-out;
    z-index: 1;
}

.service-card:hover .service-card-image::before {
    top: 100%;
}

.service-card-body {
    padding: var(--space-xl);
}

.service-card h5 {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: var(--text-xl);
    text-transform: none;
    letter-spacing: 0;
    margin-bottom: var(--space-sm);
    color: var(--color-concrete-50);
}

.service-card p {
    font-size: var(--text-sm);
    margin-bottom: var(--space-md);
}

.service-card .card-link {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    transition: gap var(--transition-fast);
}

.service-card:hover .card-link {
    gap: var(--space-md);
}

/* ─────────────────────────────────────────────────────────────────────────────
   ABOUT SECTION
   ───────────────────────────────────────────────────────────────────────────── */
.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--color-concrete-700);
}

.about-image::before {
    content: '';
    position: absolute;
    inset: -10px;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-xl);
    opacity: 0.3;
}

.about-content .lead {
    font-size: var(--text-xl);
    color: var(--color-concrete-100);
    margin-bottom: var(--space-lg);
}

.signature {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-concrete-700);
}

.signature-name {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--color-concrete-50);
    margin-bottom: var(--space-xs);
}

.signature-title {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ─────────────────────────────────────────────────────────────────────────────
   REVIEWS SECTION
   ───────────────────────────────────────────────────────────────────────────── */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--grid-gap);
}

.review-card {
    background: var(--color-concrete-800);
    border: 1px solid var(--color-concrete-700);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: relative;
    transition: all var(--transition-base);
}

.review-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: var(--space-xl);
    right: var(--space-xl);
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-scan));
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.review-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-concrete-600);
    box-shadow: var(--shadow-lg);
}

.review-card:hover::before {
    opacity: 1;
}

.review-rating {
    display: flex;
    gap: 4px;
    margin-bottom: var(--space-lg);
}

.review-rating i {
    color: var(--color-accent);
    font-size: var(--text-lg);
}

.review-rating .bi-star {
    color: var(--color-concrete-600);
}

.review-content {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-style: italic;
    line-height: 1.7;
    color: var(--color-concrete-200);
    margin: 0 0 var(--space-xl);
    padding: 0;
    border: none;
    position: relative;
}

.review-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-concrete-700);
}

.review-author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dim));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.review-author-avatar i {
    font-size: var(--text-xl);
    color: white;
}

.review-author-name {
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--color-concrete-50);
    font-size: var(--text-base);
}

.review-author-company {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-concrete-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   CTA SECTION
   ───────────────────────────────────────────────────────────────────────────── */
.cta-section {
    background:
        linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dim) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
}

.cta-section h2 {
    color: white;
    margin-bottom: var(--space-md);
}

.cta-section .lead {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
}

.cta-section .btn {
    background: white;
    color: var(--color-accent);
    font-weight: 700;
}

.cta-section .btn:hover {
    background: var(--color-concrete-900);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ─────────────────────────────────────────────────────────────────────────────
   FOOTER
   ───────────────────────────────────────────────────────────────────────────── */
footer {
    background: var(--color-concrete-950) !important;
    padding: var(--space-4xl) 0 var(--space-xl);
    border-top: 1px solid var(--color-concrete-800);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.footer-brand {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--color-concrete-50);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer-brand .text-primary {
    color: var(--color-accent) !important;
}

footer h6 {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-concrete-50);
    margin-bottom: var(--space-lg);
}

footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

footer li {
    margin-bottom: var(--space-sm);
}

footer a {
    color: var(--color-concrete-400);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

footer a:hover {
    color: var(--color-accent);
}

.footer-contact {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-concrete-400);
}

.footer-contact i {
    color: var(--color-accent);
    margin-right: var(--space-sm);
}

.footer-bottom {
    margin-top: var(--space-3xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-concrete-800);
    text-align: center;
}

.footer-bottom small {
    color: var(--color-concrete-500);
    font-size: var(--text-xs);
}

/* ─────────────────────────────────────────────────────────────────────────────
   CARDS (Generic Bootstrap Override)
   ───────────────────────────────────────────────────────────────────────────── */
.card {
    background: var(--color-concrete-800);
    border: 1px solid var(--color-concrete-700);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-concrete-600);
}

.card-body {
    padding: var(--space-xl);
}

.card-title {
    font-family: var(--font-body);
    font-weight: 700;
    color: var(--color-concrete-50);
    margin-bottom: var(--space-sm);
}

.card-text {
    color: var(--color-concrete-300);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
    filter: grayscale(20%);
    transition: filter var(--transition-base);
}

.card:hover .card-img-top {
    filter: grayscale(0%);
}

/* ─────────────────────────────────────────────────────────────────────────────
   FORMS
   ───────────────────────────────────────────────────────────────────────────── */
.form-control,
.form-select {
    background: var(--color-concrete-800);
    border: 1px solid var(--color-concrete-600);
    border-radius: var(--radius-sm);
    color: var(--color-concrete-100);
    padding: 0.875rem 1rem;
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    background: var(--color-concrete-800);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
    color: var(--color-concrete-50);
}

.form-control::placeholder,
textarea.form-control::placeholder {
    color: var(--color-concrete-400);
    opacity: 1;
}

.form-label {
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-concrete-200);
    margin-bottom: var(--space-sm);
}

/* Checkboxes and Radio Buttons */
.form-check-input {
    background-color: var(--color-concrete-800);
    border: 2px solid var(--color-concrete-500);
    width: 1.25em;
    height: 1.25em;
}

.form-check-input:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.form-check-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-check-label {
    color: var(--color-concrete-100);
    padding-left: 0.25rem;
}

/* File Upload Zone */
.file-upload-zone {
    border: 2px dashed var(--color-concrete-600);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    background: var(--color-concrete-800);
}

.file-upload-zone:hover,
.file-upload-zone.dragover {
    border-color: var(--color-accent);
    background: rgba(255, 107, 53, 0.05);
}

.file-upload-zone i {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    display: block;
}

/* ─────────────────────────────────────────────────────────────────────────────
   BADGES
   ───────────────────────────────────────────────────────────────────────────── */
.badge {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: 0.4em 0.8em;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.status-pending {
    background: var(--color-warning);
    color: var(--color-concrete-900);
}

.status-confirmed,
.status-scheduled,
.status-in_progress {
    background: var(--color-scan);
    color: var(--color-concrete-900);
}

.status-completed {
    background: var(--color-success);
    color: white;
}

.status-cancelled {
    background: var(--color-error);
    color: white;
}

/* ─────────────────────────────────────────────────────────────────────────────
   ACCORDION (FAQ)
   ───────────────────────────────────────────────────────────────────────────── */
.accordion {
    --bs-accordion-bg: var(--color-concrete-800);
    --bs-accordion-border-color: var(--color-concrete-700);
}

.accordion-item {
    background: var(--color-concrete-800);
    border: 1px solid var(--color-concrete-700);
    margin-bottom: var(--space-sm);
    border-radius: var(--radius-md) !important;
    overflow: hidden;
}

.accordion-button {
    background: var(--color-concrete-800);
    color: var(--color-concrete-100);
    font-weight: 600;
    padding: var(--space-lg);
    box-shadow: none;
}

.accordion-button:not(.collapsed) {
    background: var(--color-concrete-700);
    color: var(--color-accent);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.accordion-button::after {
    filter: brightness(0) invert(0.6);
}

.accordion-button:not(.collapsed)::after {
    filter: brightness(0) saturate(100%) invert(52%) sepia(94%) saturate(1053%) hue-rotate(342deg) brightness(100%) contrast(102%);
}

.accordion-body {
    background: var(--color-concrete-800);
    color: var(--color-concrete-300);
    padding: var(--space-lg);
    border-top: 1px solid var(--color-concrete-700);
}

/* ─────────────────────────────────────────────────────────────────────────────
   ALERTS
   ───────────────────────────────────────────────────────────────────────────── */
.alert {
    border-radius: var(--radius-md);
    border: 1px solid;
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-sm);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border-color: var(--color-success);
    color: var(--color-success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
    color: var(--color-error);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.alert-info {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--color-scan);
    color: var(--color-scan);
}

/* ─────────────────────────────────────────────────────────────────────────────
   DASHBOARD SIDEBAR
   ───────────────────────────────────────────────────────────────────────────── */
.sidebar {
    background: var(--color-concrete-950);
    border-right: 1px solid var(--color-concrete-800);
    min-height: 100vh;
    padding: var(--space-xl);
}

.sidebar .nav-link {
    color: var(--color-concrete-400);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-xs);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.sidebar .nav-link:hover {
    background: var(--color-concrete-800);
    color: var(--color-concrete-100);
}

.sidebar .nav-link.active {
    background: var(--color-accent);
    color: white;
}

.sidebar .nav-link i {
    margin-right: var(--space-sm);
    width: 20px;
    text-align: center;
}

/* ─────────────────────────────────────────────────────────────────────────────
   ADMIN PANEL RESPONSIVE
   ───────────────────────────────────────────────────────────────────────────── */

/* Admin Main Content Area */
.admin-main {
    margin-left: 260px;
    padding: var(--space-xl);
    width: calc(100% - 260px);
}

@media (max-width: 991.98px) {
    .admin-main {
        margin-left: 0;
        padding: var(--space-md);
        padding-top: calc(var(--space-md) + 60px); /* Account for mobile header */
        width: 100%;
    }
}

@media (max-width: 576px) {
    .admin-main {
        padding: var(--space-sm);
        padding-top: calc(var(--space-sm) + 60px);
    }
}

/* Mobile Header Bar */
.admin-mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--color-concrete-950);
    border-bottom: 1px solid var(--color-concrete-800);
    display: flex;
    align-items: center;
    padding: 0 var(--space-md);
    z-index: var(--z-elevated);
    gap: var(--space-md);
}

/* Hamburger Toggle Button - High Contrast */
.admin-menu-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-concrete-800);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.admin-menu-toggle:hover,
.admin-menu-toggle:focus {
    background: var(--color-accent);
    color: white;
    outline: none;
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.admin-mobile-title {
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
}

/* Admin Offcanvas Sidebar */
.admin-offcanvas {
    background: var(--color-concrete-950) !important;
    border-right: 1px solid var(--color-concrete-700) !important;
    width: 280px !important;
    max-width: 85vw;
}

.admin-offcanvas .offcanvas-header {
    border-bottom: 1px solid var(--color-concrete-800);
    padding: var(--space-lg);
}

.admin-offcanvas .offcanvas-body {
    display: flex;
    flex-direction: column;
}

.admin-offcanvas .nav-link {
    color: var(--color-concrete-400);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    margin: var(--space-xs) var(--space-sm);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.admin-offcanvas .nav-link:hover {
    background: var(--color-concrete-800);
    color: var(--color-concrete-100);
}

.admin-offcanvas .nav-link.active {
    background: var(--color-accent);
    color: white;
}

.admin-offcanvas .nav-link i {
    width: 24px;
    font-size: 1.1rem;
}

/* Admin Tables Responsive */
.admin-main .table-responsive {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-concrete-700);
}

@media (max-width: 768px) {
    .admin-main .table th,
    .admin-main .table td {
        padding: var(--space-sm);
        font-size: var(--text-sm);
    }

    /* Hide less important columns on mobile */
    .admin-main .table .d-none-mobile {
        display: none !important;
    }
}

/* Admin Cards Responsive */
@media (max-width: 768px) {
    .admin-main .card {
        margin-bottom: var(--space-md);
    }

    .admin-main .card-body {
        padding: var(--space-md);
    }

    .admin-main h2 {
        font-size: var(--text-2xl);
    }

    .admin-main h4 {
        font-size: var(--text-lg);
    }
}

/* Admin Stats Grid */
@media (max-width: 576px) {
    .admin-main .row > [class*="col-md-3"] {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* Admin Button Groups */
@media (max-width: 576px) {
    .admin-main .btn-group,
    .admin-main .d-flex.gap-2 {
        flex-wrap: wrap;
    }

    .admin-main .btn-sm {
        padding: var(--space-xs) var(--space-sm);
        font-size: var(--text-xs);
    }
}

/* Admin Order Detail Layout */
@media (max-width: 991.98px) {
    .admin-main .col-lg-8,
    .admin-main .col-lg-4 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Admin Messages Container */
@media (max-width: 768px) {
    .admin-main .messages {
        max-height: 300px;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   STEP INDICATORS
   ───────────────────────────────────────────────────────────────────────────── */
.step-number {
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dim));
    color: white;
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    box-shadow: var(--shadow-glow);
}

/* ─────────────────────────────────────────────────────────────────────────────
   MESSAGES
   ───────────────────────────────────────────────────────────────────────────── */
.messages {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.message {
    background: var(--color-concrete-800);
    border: 1px solid var(--color-concrete-700);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.message-customer {
    border-left: 3px solid var(--color-accent);
}

.message-admin {
    border-left: 3px solid var(--color-scan);
}

/* ─────────────────────────────────────────────────────────────────────────────
   UTILITIES & OVERRIDES
   ───────────────────────────────────────────────────────────────────────────── */

/* Background Colors */
.bg-light { background-color: var(--color-concrete-800) !important; }
.bg-dark { background-color: var(--color-concrete-950) !important; }
.bg-primary { background-color: var(--color-accent) !important; }

/* Text Colors */
.text-primary { color: var(--color-accent) !important; }
.text-muted { color: var(--color-concrete-400) !important; }
.text-light { color: var(--color-concrete-100) !important; }
.text-white { color: white !important; }

/* Border Colors */
.border-secondary { border-color: var(--color-concrete-600) !important; }

/* Shadow */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

/* Bootstrap Container Override */
.container {
    max-width: var(--container-max);
}

/* List Group Override */
.list-group-item {
    background: var(--color-concrete-800);
    border-color: var(--color-concrete-700);
    color: var(--color-concrete-200);
}

.list-group-item-action:hover {
    background: var(--color-concrete-700);
    color: var(--color-concrete-50);
}

/* ─────────────────────────────────────────────────────────────────────────────
   ANIMATIONS
   ───────────────────────────────────────────────────────────────────────────── */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in-scale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Reveal Classes */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─────────────────────────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--color-concrete-900);
        padding: var(--space-lg);
        margin-top: var(--space-md);
        border-radius: var(--radius-md);
        border: 1px solid var(--color-concrete-700);
    }

    .navbar-nav .nav-link {
        padding: var(--space-md) !important;
    }

    .navbar-nav .nav-link::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding-top: calc(80px + var(--space-2xl));
        padding-bottom: var(--space-2xl);
        text-align: center;
    }

    .hero .lead {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-image {
        margin-top: var(--space-2xl);
    }

    .feature-grid,
    .service-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        max-width: 280px;
        margin: 0 auto var(--space-2xl);
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   SCROLL TO TOP BUTTON
   ───────────────────────────────────────────────────────────────────────────── */
#scrollToTop {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

#scrollToTop.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#scrollToTop:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 30px var(--color-accent-glow);
}

/* ─────────────────────────────────────────────────────────────────────────────
   PHONE CONTACT DROPDOWN
   ───────────────────────────────────────────────────────────────────────────── */
.phone-contact {
    position: relative;
    display: inline-block;
}

.phone-contact-dropdown {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-concrete-700);
    border: 1px solid var(--color-concrete-600);
    border-radius: 8px;
    padding: 0.5rem 0;
    min-width: 180px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 100;
    margin-bottom: 8px;
}

.phone-contact-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: var(--color-concrete-700);
}

.phone-contact:hover .phone-contact-dropdown,
.phone-contact:focus-within .phone-contact-dropdown {
    opacity: 1;
    visibility: visible;
}

.phone-contact-dropdown a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    color: var(--color-concrete-100);
    text-decoration: none;
    transition: background 0.15s ease;
}

.phone-contact-dropdown a:hover {
    background: var(--color-concrete-600);
    color: white;
}

.phone-contact-dropdown a i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.phone-contact-dropdown a.phone-call i {
    color: var(--color-accent);
}

.phone-contact-dropdown a.phone-whatsapp i {
    color: #25D366;
}

.phone-contact-dropdown .dropdown-divider {
    margin: 0.25rem 0;
    border-top: 1px solid var(--color-concrete-600);
}

/* Dropdown opens upward by default, but can open downward */
.phone-contact.dropdown-down .phone-contact-dropdown {
    bottom: auto;
    top: 100%;
    margin-bottom: 0;
    margin-top: 8px;
}

.phone-contact.dropdown-down .phone-contact-dropdown::after {
    top: auto;
    bottom: 100%;
    border-top-color: transparent;
    border-bottom-color: var(--color-concrete-700);
}

/* ─────────────────────────────────────────────────────────────────────────────
   PRINT STYLES
   ───────────────────────────────────────────────────────────────────────────── */
@media print {
    body {
        background: white;
        color: black;
    }

    .navbar,
    footer,
    #scrollToTop {
        display: none !important;
    }

    .hero::before,
    .hero::after {
        display: none;
    }
}