/* ==========================================================================
   Silverline Techno Solutions - Enterprise Engineering Design System
   Theme: Dark Engineering Aesthetic with White Header
   Inspired by: Bosch, Honeywell, Hexagon, Trimble, L&T Technology Services
   ========================================================================== */

/* --------------------------------------------------------------------------
   01. Design Tokens & Root Variables
   -------------------------------------------------------------------------- */
:root {
    /* Brand Colors - Professional Engineering Blue */
    --brand-50: #f0f7ff;
    --brand-100: #e0f2fe;
    --brand-200: #bae6fd;
    --brand-300: #7dd3fc;
    --brand-400: #38bdf8;
    --brand-500: #0284c7;
    --brand-600: #0369a1;
    --brand-700: #075985;
    --brand-800: #0c4a6e;
    --brand-900: #082f49;

    /* Accent Colors */
    --accent-cyan: #00e5ff;
    --accent-blue: #2563eb;
    --accent-gold: #fbbf24;
    --accent-red: #f87171;
    --accent-green: #34d399;

    /* Dark Neutral Palette */
    --bg-primary: #0a0f1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --bg-card: rgba(17, 24, 39, 0.8);
    --bg-card-hover: rgba(31, 41, 55, 0.9);
    --bg-input: rgba(15, 23, 42, 0.9);

    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-accent: #38bdf8;

    /* Borders */
    --border-light: rgba(56, 189, 248, 0.15);
    --border-medium: rgba(56, 189, 248, 0.25);
    --border-accent: #38bdf8;

    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.4);
    --glow-blue: 0 0 20px rgba(56, 189, 248, 0.15);

    /* Typography Scale */
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'IBM Plex Mono', 'SF Mono', Consolas, monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;

    /* Spacing & Radii */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    --nav-height: 84px;
    --container-max: 1200px;
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
}

/* --------------------------------------------------------------------------
   02. Base & Reset
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-height) + 20px);
    color-scheme: dark;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-secondary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.3;
    font-weight: 600;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
    position: relative;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    z-index: 10000;
    background: var(--brand-500);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.skip-link:focus {
    top: 20px;
}

/* Text Accents & Tags */
.gradient-text {
    color: var(--accent-cyan);
    font-weight: 700;
}

.section-header {
    margin-bottom: 48px;
}

.section-header.center {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid rgba(0, 229, 255, 0.25);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    margin-bottom: 16px;
    font-weight: 700;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Cards - Dark Glass Style */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    backdrop-filter: blur(12px);
    transition: all var(--transition-base);
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-medium);
    box-shadow: var(--glow-blue);
}

.glass-card-glow {
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-xl);
    padding: 40px;
    backdrop-filter: blur(12px);
    box-shadow: var(--glow-blue);
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--brand-500);
    color: #ffffff;
    font-weight: 600;
    font-size: var(--text-base);
    padding: 14px 28px;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
    transition: all var(--transition-fast);
}

.btn-primary:hover {
    background: var(--accent-cyan);
    color: #0a0f1a;
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: transparent;
    border: 1px solid var(--border-medium);
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--text-base);
    padding: 14px 28px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: rgba(0, 229, 255, 0.1);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-large {
    padding: 16px 32px;
    font-size: var(--text-lg);
}

.btn-full {
    width: 100%;
}

.btn-loading {
    display: none;
}

.btn-primary .btn-loading svg {
    vertical-align: middle;
}

.btn-primary.loading .btn-text {
    display: none;
}

.btn-primary.loading .btn-loading {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary.loading {
    pointer-events: none;
    opacity: 0.85;
}
/* --------------------------------------------------------------------------
   03. Header & Navigation Bar - WHITE THEME
   -------------------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: center;
    padding: 6px 0;
    line-height: 0;
    flex-shrink: 0;
}

.nav-logo:hover {
    opacity: 0.92;
}

.logo-img {
    height: 56px;
    width: auto;
    max-width: 280px;
    object-fit: contain;
}

.logo-icon {
    width: 52px;
    height: 52px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.logo-full {
    height: 80px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #0f172a;
}

.logo-sub {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--brand-500);
    font-weight: 500;
}

.nav-links {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.nav-links ul {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    font-size: var(--text-sm);
    font-weight: 500;
    color: #475569;
    position: relative;
    padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--brand-500);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-500);
    transition: width var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: #0f172a;
    transition: all var(--transition-fast);
}

/* --------------------------------------------------------------------------
   04. Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    padding-top: calc(var(--nav-height) + 60px);
    padding-bottom: 80px;
    display: flex;
    align-items: center;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.12;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(10, 15, 26, 0.7) 0%, rgba(10, 15, 26, 0.95) 100%);
}

.hero-grid-pattern {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(56, 189, 248, 0.04) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(56, 189, 248, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-glow-effect {
    position: absolute;
    top: 30%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.1) 0%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(17, 24, 39, 0.8);
    border: 1px solid var(--border-medium);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--text-primary);
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.3);
    animation: pulse 2s infinite;
}

.hero-iso-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(2, 132, 199, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.35);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--accent-cyan);
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
}

.hero-iso-badge svg {
    flex-shrink: 0;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

.hero-title {
    margin-bottom: 24px;
}

.title-sub {
    display: block;
    font-size: clamp(0.9rem, 1.8vw, 1.1rem);
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 8px;
}

.title-main {
    display: block;
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin: 12px 0;
}

.hero-description {
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 36px auto;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    background: rgba(17, 24, 39, 0.6);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 28px;
    backdrop-filter: blur(12px);
}

.stat-card {
    text-align: center;
    position: relative;
}

.stat-number {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--accent-cyan);
}

.stat-suffix {
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--accent-cyan);
    font-weight: 700;
}

.stat-label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 60%;
    background: var(--border-light);
    position: absolute;
    right: 0;
    top: 20%;
}

/* --------------------------------------------------------------------------
   05. Vision, Mission & Values
   -------------------------------------------------------------------------- */
.vision-mission-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.vm-card {
    position: relative;
    padding: 32px;
}

.vm-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid rgba(0, 229, 255, 0.25);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    margin-bottom: 20px;
}

.vm-icon svg {
    width: 24px;
    height: 24px;
}

.vm-card h3 {
    font-size: var(--text-xl);
    margin-bottom: 12px;
    font-weight: 600;
}

.values-wrapper {
    margin-top: 40px;
}

.sub-heading {
    font-size: var(--text-xl);
    margin-bottom: 32px;
    text-align: center;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.value-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all var(--transition-base);
}

.value-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-blue);
}

.value-number {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--accent-cyan);
    font-weight: 600;
    margin-bottom: 12px;
}

.value-card h4 {
    font-size: var(--text-base);
    margin-bottom: 8px;
    font-weight: 600;
}

.value-card p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   06. Business Divisions Tabs & Panels
   -------------------------------------------------------------------------- */
.division-tabs-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.div-tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.div-tab-btn svg {
    width: 18px;
    height: 18px;
}

.div-tab-btn:hover {
    color: var(--accent-cyan);
    border-color: var(--border-medium);
}

.div-tab-btn.active {
    background: var(--brand-500);
    border-color: var(--brand-500);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}

.div-panel {
    display: none;
}

.div-panel.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 40px;
    backdrop-filter: blur(12px);
}

.panel-image-col {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.panel-image-col img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.tech-badge-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid rgba(0, 229, 255, 0.25);
    color: var(--accent-cyan);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.panel-header {
    margin-bottom: 24px;
}

.div-num {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.panel-header h3 {
    font-size: var(--text-xl);
    margin: 8px 0 12px 0;
    font-weight: 700;
}

.div-desc {
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: 1.6;
}

.services-list-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.service-box {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: all var(--transition-fast);
}

.service-box:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-blue);
}

.service-box h4 {
    font-size: var(--text-sm);
    color: var(--text-primary);
    margin-bottom: 6px;
    font-weight: 600;
}

.service-box p {
    font-size: var(--text-xs);
    color: var(--text-muted);
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   07. Multidisciplinary Engineering Team
   -------------------------------------------------------------------------- */
.team-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.team-card {
    text-align: center;
    padding: 24px 16px;
}

.team-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid rgba(0, 229, 255, 0.25);
    border-radius: 50%;
    margin: 0 auto 16px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
}

.team-icon svg {
    width: 22px;
    height: 22px;
}

.team-card h4 {
    font-size: var(--text-sm);
    margin-bottom: 8px;
    font-weight: 600;
}

.team-card p {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   08. Workflow & Value Proposition
   -------------------------------------------------------------------------- */
.workflow-container {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 40px;
    backdrop-filter: blur(12px);
}

.workflow-title {
    font-size: var(--text-xl);
    margin-bottom: 32px;
    text-align: center;
}

.workflow-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.wf-step {
    flex: 1;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    position: relative;
    transition: all var(--transition-base);
}

.wf-step:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-blue);
}

.wf-number {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 8px;
}

.wf-step h4 {
    font-size: var(--text-sm);
    margin-bottom: 6px;
    font-weight: 600;
}

.wf-step p {
    font-size: var(--text-xs);
    color: var(--text-muted);
    line-height: 1.4;
}

.wf-arrow {
    color: var(--brand-400);
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   09. Key Clients Section
   -------------------------------------------------------------------------- */
.clients-tabs-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.client-tab-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.client-tab-btn.active {
    background: var(--brand-500);
    color: #ffffff;
    border-color: var(--brand-500);
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}

.client-panel {
    display: none;
}

.client-panel.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.client-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    transition: all var(--transition-base);
}

.client-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-blue);
}

.client-icon {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.1);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    border: 1px solid rgba(0, 229, 255, 0.25);
}

.client-card h4 {
    font-size: var(--text-sm);
    color: var(--text-primary);
    margin-bottom: 4px;
    font-weight: 600;
}

.client-card p {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   10. Interactive Project Scope Estimator Wizard
   -------------------------------------------------------------------------- */
.estimator-card {
    max-width: 900px;
    margin: 0 auto;
}

.wizard-progress {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 2;
}

.step-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.step-item span {
    font-size: var(--text-xs);
    color: var(--text-muted);
    font-weight: 500;
}

.step-item.active .step-num {
    background: var(--brand-500);
    border-color: var(--accent-cyan);
    color: #ffffff;
    box-shadow: 0 0 12px rgba(0, 229, 255, 0.3);
}

.step-item.active span {
    color: var(--text-primary);
    font-weight: 600;
}

.step-line {
    flex: 1;
    height: 2px;
    background: var(--border-light);
    margin: 0 16px;
    position: relative;
    top: -14px;
}

.wizard-step h4 {
    font-size: var(--text-lg);
    margin-bottom: 20px;
    color: var(--text-primary);
    font-weight: 600;
}

.wizard-options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 30px;
}

.wiz-option-card {
    cursor: pointer;
}

.wiz-option-card input {
    display: none;
}

.wiz-card-inner {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    height: 100%;
    transition: all var(--transition-fast);
}

.wiz-card-inner svg {
    width: 28px;
    height: 28px;
    color: var(--accent-cyan);
    margin-bottom: 10px;
}

.wiz-card-inner h5 {
    font-size: var(--text-sm);
    color: var(--text-primary);
    margin-bottom: 4px;
    font-weight: 600;
}

.wiz-card-inner p {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.wiz-option-card input:checked + .wiz-card-inner {
    background: rgba(0, 229, 255, 0.1);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
}

.wizard-actions {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
    margin-top: 30px;
}

/* --------------------------------------------------------------------------
   11. Contact Form & Details
   -------------------------------------------------------------------------- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
}

.contact-info .section-title {
    margin-bottom: 16px;
}

.contact-description {
    margin-bottom: 32px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    font-style: normal;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid rgba(0, 229, 255, 0.25);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 20px;
    height: 20px;
}

.contact-item h4 {
    font-size: var(--text-base);
    margin-bottom: 4px;
    font-weight: 600;
}

.contact-item p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 32px;
    backdrop-filter: blur(12px);
}

.contact-form h3 {
    font-size: var(--text-xl);
    margin-bottom: 24px;
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.required {
    color: var(--accent-red);
}

input, select, textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    outline: none;
    transition: all var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
}

input.error, select.error, textarea.error {
    border-color: var(--accent-red);
}

.form-error {
    font-size: var(--text-xs);
    color: var(--accent-red);
    margin-top: 4px;
    display: none;
}

.form-error.visible {
    display: block;
}

/* --------------------------------------------------------------------------
   12. Footer & Toast
   -------------------------------------------------------------------------- */
.footer {
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
    padding: 64px 0 30px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand .logo-main {
    font-size: 1.25rem;
    color: #0f172a;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    margin-bottom: 4px;
}

.footer-logo .logo-full {
    height: 56px;
    width: auto;
    object-fit: contain;
}

.footer-tagline {
    margin-top: 16px;
    font-size: var(--text-sm);
    color: #475569;
    line-height: 1.6;
}

.footer-links h4, .footer-contact h4 {
    font-size: var(--text-base);
    color: #0f172a;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-links ul, .footer-contact ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: var(--text-sm);
    color: #334155;
}

.footer-links a:hover {
    color: var(--brand-500);
}

.footer-contact li {
    font-size: var(--text-sm);
    color: #334155;
}

.footer-bottom {
    border-top: 1px solid #e2e8f0;
    padding-top: 24px;
    text-align: center;
    font-size: var(--text-xs);
    color: #64748b;
}

.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 10000;
    background: var(--bg-card);
    border: 1px solid var(--accent-cyan);
    color: var(--text-primary);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    backdrop-filter: blur(12px);
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
    pointer-events: none;
}

.toast.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------------------------------------------------
   13. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .stat-divider { display: none; }
    .panel-grid, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .team-grid, .clients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .workflow-grid {
        flex-direction: column;
    }
    .wf-arrow {
        transform: rotate(90deg);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        display: none;
        justify-content: center;
        align-items: center;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-links ul {
        flex-direction: column;
        gap: 24px;
    }
    .nav-links a {
        color: #0f172a;
        font-size: var(--text-lg);
    }
    .nav-links a:hover,
    .nav-links a.active {
        color: var(--brand-500);
    }
    .nav-logo {
        line-height: 0;
    }
    .logo-full {
        height: 40px;
    }
    .mobile-menu-btn { display: flex; }
    .vision-mission-grid, .values-grid, .services-list-grid, .wizard-options-grid, .form-row {
        grid-template-columns: 1fr;
    }
    .team-grid, .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-actions {
        flex-direction: column;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-logo .logo-full {
        height: 46px;
    }
}