/* ========================================
   Telcometrics Production Stylesheet
   Version: 1.0.0
   ======================================== */

/* ========================================
   CSS Variables - Brand Colors
   ======================================== */
:root {
    --primary-dark: #00142C;
    --primary-navy: #011936;
    --accent-teal: #0EC9AC;
    --accent-turquoise: #00E2BF;
    --text-white: #FFFFFF;
    --text-gray: #828FA0;
    --card-bg: rgba(1, 25, 54, 0.6);
    --card-border: rgba(14, 201, 172, 0.15);
    --gradient-accent: linear-gradient(135deg, #0EC9AC 0%, #00E2BF 100%);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 40px rgba(14, 201, 172, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    color: var(--text-gray);
    font-size: 1rem;
    line-height: 1.7;
}

.mono {
    font-family: 'JetBrains Mono', monospace;
}

/* ========================================
   Layout
   ======================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--primary-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 201, 172, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    border-color: var(--accent-teal);
    color: var(--accent-teal);
}

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.nav.scrolled {
    background: rgba(0, 20, 44, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-logo-icon img {
    width: 40px;
    height: 40px;
}

.nav-logo-text {
    height: 14px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-teal);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--text-white);
}

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

.nav-cta {
    margin-left: 20px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-white);
    margin: 6px 0;
    transition: all 0.3s ease;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(14, 201, 172, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 201, 172, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-glow {
    position: absolute;
    top: 20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(14, 201, 172, 0.1) 0%, transparent 70%);
    filter: blur(60px);
}

.hero-glow-2 {
    position: absolute;
    bottom: 10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 226, 191, 0.08) 0%, transparent 70%);
    filter: blur(80px);
}

/* Animated Background Elements */
.hero-animated-elements {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    border: 1px solid rgba(14, 201, 172, 0.15);
    opacity: 0.6;
}

.floating-shape.hexagon {
    width: 60px;
    height: 60px;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    background: rgba(14, 201, 172, 0.03);
    animation: float-rotate 20s ease-in-out infinite;
}

.floating-shape.square {
    width: 40px;
    height: 40px;
    background: rgba(14, 201, 172, 0.02);
    animation: float-spin 25s linear infinite;
}

.floating-shape.circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(14, 201, 172, 0.02);
    animation: float-pulse 15s ease-in-out infinite;
}

.floating-shape.triangle {
    width: 0;
    height: 0;
    border-left: 25px solid transparent;
    border-right: 25px solid transparent;
    border-bottom: 43px solid rgba(14, 201, 172, 0.04);
    animation: float-rotate 18s ease-in-out infinite reverse;
}

.shape-1 { top: 15%; left: 10%; animation-delay: 0s; }
.shape-2 { top: 25%; right: 15%; animation-delay: -3s; }
.shape-3 { top: 60%; left: 5%; animation-delay: -5s; }
.shape-4 { top: 70%; right: 25%; animation-delay: -8s; }
.shape-5 { top: 40%; left: 25%; animation-delay: -2s; }
.shape-6 { top: 80%; left: 40%; animation-delay: -10s; }
.shape-7 { top: 10%; right: 35%; animation-delay: -4s; }
.shape-8 { top: 50%; right: 8%; animation-delay: -7s; }

@keyframes float-rotate {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(90deg); }
    50% { transform: translateY(0) rotate(180deg); }
    75% { transform: translateY(20px) rotate(270deg); }
}

@keyframes float-spin {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(-30px) rotate(360deg); }
}

@keyframes float-pulse {
    0%, 100% { transform: scale(1) translateY(0); opacity: 0.4; }
    50% { transform: scale(1.1) translateY(-15px); opacity: 0.7; }
}

/* Data flow lines */
.data-flow-lines {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.data-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(14, 201, 172, 0.3), transparent);
    animation: data-flow 8s linear infinite;
}

.data-line-1 { top: 20%; width: 200px; left: -200px; animation-delay: 0s; }
.data-line-2 { top: 40%; width: 300px; left: -300px; animation-delay: -2s; }
.data-line-3 { top: 60%; width: 250px; left: -250px; animation-delay: -4s; }
.data-line-4 { top: 75%; width: 180px; left: -180px; animation-delay: -6s; }

@keyframes data-flow {
    0% { transform: translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateX(calc(100vw + 300px)); opacity: 0; }
}

/* Particle dots */
.particle-container {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent-teal);
    border-radius: 50%;
    opacity: 0;
    animation: particle-float 12s ease-in-out infinite;
}

.particle-1 { left: 20%; top: 30%; animation-delay: 0s; }
.particle-2 { left: 80%; top: 20%; animation-delay: -2s; }
.particle-3 { left: 50%; top: 70%; animation-delay: -4s; }
.particle-4 { left: 10%; top: 60%; animation-delay: -6s; }
.particle-5 { left: 70%; top: 50%; animation-delay: -8s; }
.particle-6 { left: 35%; top: 15%; animation-delay: -10s; }

@keyframes particle-float {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0; }
    10% { opacity: 0.8; }
    50% { transform: translateY(-40px) scale(1.5); opacity: 0.5; }
    90% { opacity: 0.8; }
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(14, 201, 172, 0.1);
    border: 1px solid rgba(14, 201, 172, 0.2);
    border-radius: 100px;
    font-size: 0.8125rem;
    color: var(--accent-teal);
    margin-bottom: 24px;
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-teal);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-white) 0%, var(--text-gray) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-punchline {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--accent-teal);
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ========================================
   Stats / Trust Bar
   ======================================== */
.stats {
    padding: 60px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(1, 25, 54, 0.5) 100%);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

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

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -24px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, transparent, var(--card-border), transparent);
}

.stat-value {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   About Section
   ======================================== */
.about {
    background: var(--primary-navy);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-content p {
    margin-bottom: 16px;
}

.about-content .btn {
    margin-top: 24px;
}

.about-visual {
    position: relative;
}

.about-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 32px;
    backdrop-filter: blur(10px);
}

.about-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--card-border);
}

.about-card-icon {
    width: 48px;
    height: 48px;
    background: rgba(14, 201, 172, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-card-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent-teal);
}

.about-metrics {
    display: grid;
    gap: 16px;
}

.about-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--card-border);
}

.about-metric:last-child {
    border-bottom: none;
}

.about-metric-label {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.about-metric-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: var(--accent-teal);
}

/* ========================================
   Services Section
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(14, 201, 172, 0.3);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(14, 201, 172, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--accent-teal);
}

.service-card h3 {
    margin-bottom: 12px;
    color: var(--text-white);
}

.service-card p {
    font-size: 0.9375rem;
}

.services-cta {
    text-align: center;
    margin-top: 48px;
}

/* ========================================
   Industries Section
   ======================================== */
.industries {
    background: var(--primary-navy);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.industry-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 28px;
    text-align: center;
    transition: all 0.3s ease;
}

.industry-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(14, 201, 172, 0.3);
}

.industry-icon {
    width: 64px;
    height: 64px;
    background: rgba(14, 201, 172, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.industry-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--accent-teal);
}

.industry-card h4 {
    margin-bottom: 12px;
    color: var(--text-white);
}

.industry-card p {
    font-size: 0.875rem;
}

/* ========================================
   How We Work Section
   ======================================== */
.engagement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.engagement-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 40px;
    position: relative;
    transition: all 0.3s ease;
}

.engagement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.engagement-number {
    position: absolute;
    top: 24px;
    right: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 3rem;
    font-weight: 700;
    color: rgba(14, 201, 172, 0.1);
}

.engagement-card h3 {
    color: var(--accent-teal);
    margin-bottom: 8px;
}

.engagement-card h4 {
    margin-bottom: 16px;
}

.engagement-cta {
    text-align: center;
    margin-top: 48px;
}

/* ========================================
   Process Section
   ======================================== */
.process {
    background: var(--primary-navy);
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    padding: 40px 0;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 72px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--card-border), var(--accent-teal), var(--card-border));
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 16px;
}

.process-step-number {
    width: 64px;
    height: 64px;
    background: var(--primary-dark);
    border: 2px solid var(--accent-teal);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-teal);
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.process-step:hover .process-step-number {
    background: var(--accent-teal);
    color: var(--primary-dark);
}

.process-step h4 {
    margin-bottom: 12px;
    color: var(--text-white);
}

.process-step p {
    font-size: 0.875rem;
}

/* ========================================
   Training Section
   ======================================== */
.training-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.training-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.training-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.training-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(14, 201, 172, 0.1);
    border: 1px solid rgba(14, 201, 172, 0.2);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--accent-teal);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.training-card h3 {
    margin-bottom: 16px;
    color: var(--text-white);
}

.training-cta {
    text-align: center;
    margin-top: 48px;
}

/* ========================================
   Differentiators Section
   ======================================== */
.differentiators {
    background: var(--primary-navy);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.diff-card {
    background: transparent;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.diff-card:hover {
    background: var(--card-bg);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.diff-icon {
    width: 72px;
    height: 72px;
    background: rgba(14, 201, 172, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.diff-icon svg {
    width: 36px;
    height: 36px;
    stroke: var(--accent-teal);
}

.diff-card h4 {
    margin-bottom: 12px;
    color: var(--text-white);
}

.diff-card p {
    font-size: 0.875rem;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-white);
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--accent-teal);
}

.faq-icon {
    width: 24px;
    height: 24px;
    position: relative;
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--accent-teal);
    transition: transform 0.3s ease;
}

.faq-icon::before {
    width: 2px;
    height: 14px;
    top: 5px;
    left: 11px;
}

.faq-icon::after {
    width: 14px;
    height: 2px;
    top: 11px;
    left: 5px;
}

.faq-item.active .faq-icon::before {
    transform: rotate(90deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer-inner {
    padding: 0 24px 24px;
    color: var(--text-gray);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    background: var(--primary-navy);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h2 {
    margin-bottom: 16px;
}

.contact-info > p {
    margin-bottom: 40px;
}

.contact-details {
    margin-bottom: 40px;
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-detail-icon {
    width: 48px;
    height: 48px;
    background: rgba(14, 201, 172, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-detail-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent-teal);
}

.contact-detail-content h4 {
    margin-bottom: 4px;
    color: var(--text-white);
}

.contact-detail-content p {
    font-size: 0.9375rem;
}

.contact-form {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.875rem;
    color: var(--text-gray);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    background: rgba(0, 20, 44, 0.5);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: var(--text-white);
    font-size: 0.9375rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-teal);
    box-shadow: 0 0 0 3px rgba(14, 201, 172, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-gray);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23828FA0' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-select option {
    background: var(--primary-dark);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-submit {
    width: 100%;
    justify-content: center;
    text-align: center;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--primary-dark);
    border-top: 1px solid var(--card-border);
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 16px;
    font-size: 0.9375rem;
}

.footer-heading {
    font-size: 0.875rem;
    color: var(--text-white);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--card-border);
}

.footer-copyright {
    color: var(--text-gray);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

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

/* ========================================
   Mobile Navigation
   ======================================== */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: var(--primary-dark);
    z-index: 1001;
    padding: 80px 32px 32px;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-close::before,
.mobile-nav-close::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-white);
}

.mobile-nav-close::before {
    transform: rotate(45deg);
}

.mobile-nav-close::after {
    transform: rotate(-45deg);
}

.mobile-nav-menu {
    list-style: none;
}

.mobile-nav-menu li {
    margin-bottom: 24px;
}

.mobile-nav-menu a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.mobile-nav-menu a:hover {
    color: var(--accent-teal);
}

.mobile-nav-cta {
    margin-top: 40px;
}

.mobile-nav-cta .btn {
    width: 100%;
    justify-content: center;
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }

    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

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

    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 0;
    }

    .hero-content {
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .stat-item:not(:last-child)::after {
        display: none;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-visual {
        order: -1;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

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

    .engagement-grid {
        grid-template-columns: 1fr;
    }

    .process-timeline {
        flex-direction: column;
        gap: 40px;
    }

    .process-timeline::before {
        display: none;
    }

    .training-grid {
        grid-template-columns: 1fr;
    }

    .diff-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .industries-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}