/* ===== CSS VARIABLES ===== */
:root {
    --ai-purple: #814CFF;
    --deep-blue: #0B1B3B;
    --emerald-green: #00B07D;
    --black: #0B0B0F;
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    
    --font-primary: 'Rubik', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-full: 9999px;
    
    --container-max-width: 1200px;
    --section-padding: 5rem 0;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--white);
    background-color: var(--black);
    overflow-x: hidden;
}

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

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

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--ai-purple) 0%, var(--emerald-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto;
    font-family: var(--font-secondary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--ai-purple) 0%, var(--emerald-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, var(--ai-purple) 0%, #9D5DFF 100%);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(129, 76, 255, 0.4);
}

.btn-primary.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--ai-purple);
    transform: translateY(-2px);
}

.btn-secondary.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(11, 11, 15, 0.85);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-bottom: 1px solid rgba(129, 76, 255, 0.2);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav.scrolled {
    background: rgba(11, 11, 15, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow: 0 8px 32px rgba(129, 76, 255, 0.15);
    border-bottom-color: rgba(129, 76, 255, 0.3);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-brand {
    display: flex;
    align-items: center;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--gray-300);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--ai-purple);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--ai-purple);
    transition: var(--transition-fast);
}

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

.nav-cta {
    padding: 0.625rem 1.5rem !important;
    font-size: 0.9rem !important;
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(129, 76, 255, 0.15) 0%, transparent 50%),
                linear-gradient(135deg, var(--black) 0%, var(--deep-blue) 50%, var(--black) 100%);
    overflow: hidden;
}

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

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    padding: 2rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--gray-300);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-family: var(--font-secondary);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== ANIMATIONS ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards;
}

.fade-up:nth-child(1) { animation-delay: 0.1s; }
.fade-up:nth-child(2) { animation-delay: 0.2s; }
.fade-up:nth-child(3) { animation-delay: 0.3s; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--black) 0%, var(--deep-blue) 100%);
}

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

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--ai-purple) 0%, var(--emerald-green) 100%);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(129, 76, 255, 0.3);
}

.service-card:hover::before {
    opacity: 0.1;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--ai-purple) 0%, var(--emerald-green) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.service-icon svg {
    width: 40px;
    height: 40px;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
}

.service-card p {
    color: var(--gray-300);
    line-height: 1.6;
    font-family: var(--font-secondary);
}

/* ===== DEVELOPMENT SECTION ===== */
.development {
    padding: var(--section-padding);
    background: var(--black);
}

.development-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.development-column {
    text-align: center;
}

.development-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    background: rgba(129, 76, 255, 0.1);
    border: 2px solid var(--ai-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ai-purple);
}

.development-icon svg {
    width: 50px;
    height: 50px;
}

.development-column h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
}

.development-column p {
    color: var(--gray-300);
    line-height: 1.6;
    font-family: var(--font-secondary);
}

/* ===== INDUSTRIES SECTION ===== */
.industries {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--deep-blue) 0%, var(--black) 100%);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.industry-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--ai-purple) 0%, var(--emerald-green) 100%);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.industry-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(129, 76, 255, 0.2);
    border-color: var(--ai-purple);
}

.industry-card:hover::before {
    opacity: 0.1;
}

.industry-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: rgba(129, 76, 255, 0.1);
    border: 2px solid var(--ai-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ai-purple);
    transition: var(--transition-normal);
}

.industry-card:hover .industry-icon {
    background: var(--ai-purple);
    color: var(--white);
    transform: scale(1.1);
}

.industry-icon svg {
    width: 30px;
    height: 30px;
}

.industry-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--white);
    margin: 0;
    transition: var(--transition-normal);
}

.industry-card:hover h4 {
    color: var(--white);
}

@media (max-width: 1024px) {
    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .industry-card {
        padding: 1.5rem 1rem;
    }
    
    .industry-icon {
        width: 50px;
        height: 50px;
    }
    
    .industry-icon svg {
        width: 24px;
        height: 24px;
    }
}

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

/* ===== APPROACH SECTION ===== */
.approach {
    padding: var(--section-padding);
    background: var(--black);
}

.approach-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.approach-step {
    text-align: center;
    position: relative;
}

.step-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--ai-purple);
    margin-bottom: 1rem;
    display: block;
}

.approach-step h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
}

.approach-step p {
    color: var(--gray-300);
    line-height: 1.6;
    font-family: var(--font-secondary);
}

/* ===== OUTCOMES SECTION ===== */
.outcomes {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--deep-blue) 0%, var(--black) 100%);
}

.outcomes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.outcome-card.full-width {
    grid-column: 1 / -1;
}

/* ===== OUTCOME VISUALIZATIONS ===== */
.outcome-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    height: 140px;
}

.progress-circle {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-progress {
    transition: stroke-dashoffset 2s ease-in-out;
}

.progress-text {
    position: absolute;
    text-align: center;
}

.progress-text .metric-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--ai-purple);
    display: block;
}

.progress-text .metric-label {
    font-size: 0.75rem;
    color: var(--gray-400);
    display: block;
}

.metric-chart {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.chart-bar {
    position: relative;
    width: 60px;
    height: 80px;
    background: rgba(129, 76, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.bar-fill {
    position: absolute;
    bottom: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--ai-purple) 0%, var(--emerald-green) 100%);
    height: 0%;
    transition: height 2s ease-in-out;
    border-radius: 4px 4px 0 0;
}

.bar-label {
    font-size: 0.8rem;
    color: var(--white);
    font-weight: 600;
}

.chart-icon {
    color: var(--emerald-green);
}

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

.reduction-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.reduction-bars {
    display: flex;
    gap: 1rem;
    align-items: end;
}

.before-bar, .after-bar {
    width: 30px;
    height: 60px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.before-bar .bar-fill {
    background: rgba(239, 68, 68, 0.8);
    height: 100%;
}

.after-bar .bar-fill {
    background: var(--emerald-green);
    height: 25%;
    transition: height 2s ease-in-out;
}

.reduction-text {
    text-align: center;
}

.reduction-text .metric-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--emerald-green);
}

.reduction-text .metric-sign {
    font-size: 1.2rem;
    color: var(--emerald-green);
    margin-left: 0.25rem;
}

.reduction-text .metric-label {
    font-size: 0.8rem;
    color: var(--gray-400);
    display: block;
}

.retention-gauge {
    position: relative;
}

.gauge-circle {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gauge-svg {
    transform: rotate(-90deg);
}

.gauge-progress {
    stroke-dasharray: 314;
    stroke-dashoffset: 314;
    transition: stroke-dashoffset 2s ease-in-out;
}

.gauge-text {
    position: absolute;
    text-align: center;
}

.gauge-text .metric-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--emerald-green);
}

.global-presence {
    width: 100%;
    height: auto;
}

.global-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: rgba(129, 76, 255, 0.1);
    border: 2px solid var(--ai-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ai-purple);
}

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

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

.stat-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    display: block;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray-400);
}

.stat-divider {
    font-size: 2rem;
    font-weight: 300;
    color: var(--ai-purple);
}

/* Animation triggers */
.outcome-card.animate .progress-ring-progress {
    stroke-dashoffset: calc(326.73 - (326.73 * var(--progress)) / 100);
}

.outcome-card.animate .bar-fill {
    height: var(--bar-height, 85%);
}

.outcome-card.animate .after-bar .bar-fill {
    height: 25%;
}

.outcome-card.animate .gauge-progress {
    stroke-dashoffset: calc(314 - (314 * var(--percentage)) / 100);
}

@media (max-width: 768px) {
    .outcomes-grid {
        grid-template-columns: 1fr;
    }
    
    .outcome-visual {
        height: 120px;
    }
    
    .global-stats {
        gap: 1rem;
    }
    
    .stat-icon {
        width: 40px;
        height: 40px;
    }
    
    .stat-icon svg {
        width: 20px;
        height: 20px;
    }
}

.outcome-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition-normal);
}

.outcome-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 176, 125, 0.2);
}

.outcome-metric {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.metric-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--emerald-green);
}

.metric-sign {
    font-size: 2rem;
    color: var(--emerald-green);
}

.metric-label {
    font-size: 0.9rem;
    color: var(--gray-400);
    font-weight: 500;
}

.outcome-metrics-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.outcome-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
}

.outcome-card p {
    color: var(--gray-300);
    line-height: 1.6;
    font-family: var(--font-secondary);
}

/* ===== TECH STACK SECTION ===== */
.tech-stack {
    padding: var(--section-padding);
    background: var(--black);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 1024px) {
    .tech-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.tech-logo {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    color: var(--white);
    font-weight: 600;
    transition: var(--transition-normal);
}

.tech-logo:hover {
    background: rgba(129, 76, 255, 0.1);
    border-color: var(--ai-purple);
    transform: translateY(-3px);
}

/* ===== WHY US SECTION ===== */
.why-us {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--deep-blue) 0%, var(--black) 100%);
}

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

@media (max-width: 992px) {
    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .why-us-grid {
        grid-template-columns: 1fr;
    }
}

.why-us-item {
    text-align: center;
    padding: 2rem;
}

.why-us-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
}

.why-us-item p {
    color: var(--gray-300);
    line-height: 1.6;
    font-family: var(--font-secondary);
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: 6rem 0;
    background: var(--black);
    text-align: center;
}

.cta-hero {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--ai-purple) 0%, var(--emerald-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: var(--gray-300);
    margin-bottom: 3rem;
    line-height: 1.6;
    font-family: var(--font-secondary);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 3rem;
}

/* CTA Actions */
.cta-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 4rem;
}

.cta-primary,
.cta-secondary {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    transition: var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.cta-primary {
    background: linear-gradient(135deg, var(--ai-purple) 0%, var(--emerald-green) 100%);
    color: var(--white);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(129, 76, 255, 0.4);
}

.cta-secondary {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--ai-purple);
    transform: translateY(-3px);
}

.cta-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.cta-text {
    flex: 1;
    text-align: left;
}

.cta-label {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.cta-detail {
    display: block;
    font-size: 0.95rem;
    opacity: 0.85;
    font-weight: 500;
}

/* Trust Indicators */
.cta-trust {
    display: flex;
    justify-content: center;
    gap: 3rem;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-item {
    text-align: center;
}

.trust-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--emerald-green);
    margin-bottom: 0.5rem;
}

.trust-label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-400);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== CONTACT FORM ===== */
.contact-form {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--white);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: var(--white);
    font-family: var(--font-secondary);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--ai-purple);
    box-shadow: 0 0 0 3px rgba(129, 76, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

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

.form-group select option {
    background: var(--gray-800);
    color: var(--white);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gray-900);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    height: 50px;
    width: 250px;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 1.125rem;
    font-weight: 500;
}

.footer-locations {
    font-size: 0.9rem !important;
    color: var(--gray-500) !important;
    margin-top: 0.5rem;
}


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

.footer-column h4 {
    color: var(--white);
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-column a {
    color: var(--gray-400);
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--ai-purple);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-500);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    :root {
        --section-padding: 3rem 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(11, 11, 15, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 2rem;
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-hamburger {
        display: flex;
    }
    
    .nav-hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary.btn-large,
    .btn-secondary.btn-large {
        width: 100%;
        max-width: 300px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .development-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .approach-steps {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .outcomes-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .cta-trust {
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .industries-chips {
        gap: 0.75rem;
    }
    
    .chip {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-content {
        padding: 1rem;
    }
    
    .service-card,
    .outcome-card {
        padding: 1.5rem;
    }
    
    .contact {
        padding: 3rem 0;
    }
    
    .cta-trust {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .cta-primary,
    .cta-secondary {
        padding: 1.25rem 1.5rem;
    }
    
    .trust-number {
        font-size: 1.75rem;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .whatsapp-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ===== FOCUS STYLES ===== */
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid var(--ai-purple);
    outline-offset: 2px;
}

/* ===== CONTACT FORM STATUS BANNERS ===== */
.status-banner {
    position: relative;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
    backdrop-filter: blur(10px);
    animation: slideIn 0.3s ease-out;
}

.status-banner--success {
    background: rgba(0, 176, 125, 0.1);
    border-color: var(--emerald-green);
    color: #10b981;
}

.status-banner--error {
    background: rgba(220, 53, 69, 0.1);
    border-color: #dc3545;
    color: #dc3545;
}

.status-banner__content {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.status-banner__icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.status-banner__message {
    flex: 1;
    font-weight: 500;
    line-height: 1.5;
}

.status-banner__close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.25rem;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    flex-shrink: 0;
}

.status-banner__close:hover {
    opacity: 1;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== FORM VALIDATION STYLES ===== */
.contact-form input.error,
.contact-form textarea.error {
    border-color: #dc3545;
    background-color: rgba(220, 53, 69, 0.05);
}

.field-error {
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ===== SUBMIT BUTTON LOADING STATE ===== */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* ===== CHARACTER COUNTERS ===== */
.char-counter {
    transition: color 0.2s ease;
}

/* ===== FLOATING WHATSAPP BUTTON ===== */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 1000;
    transition: var(--transition-normal);
}

.whatsapp-chat-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.whatsapp-chat-btn:hover {
    background: #20BA5A;
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-chat-btn:active {
    transform: scale(0.95);
}

.whatsapp-icon {
    width: 32px;
    height: 32px;
    color: white;
}

.chat-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gray-800);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    pointer-events: none;
    box-shadow: var(--shadow-lg);
}

.chat-tooltip::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid var(--gray-800);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

.whatsapp-chat-btn:hover .chat-tooltip {
    opacity: 1;
    visibility: visible;
}

/* Floating WhatsApp Animation */
@keyframes whatsappPulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.8);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

.whatsapp-chat-btn {
    animation: whatsappPulse 2s infinite;
}

.whatsapp-chat-btn:hover {
    animation: none;
}

/* Responsive adjustments for WhatsApp button */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-chat-btn {
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-icon {
        width: 28px;
        height: 28px;
    }
    
    .chat-tooltip {
        display: none;
    }
}

@media (max-width: 480px) {
    .whatsapp-float {
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-chat-btn {
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-icon {
        width: 26px;
        height: 26px;
    }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
    :root {
        --gray-300: #E5E7EB;
        --gray-400: #D1D5DB;
    }
    
    .service-card,
    .outcome-card,
    .contact-form,
    .tech-logo {
        border-color: rgba(255, 255, 255, 0.3);
    }
    
    .status-banner--success {
        border-color: #10b981;
        color: #059669;
    }
    
    .status-banner--error {
        border-color: #dc3545;
        color: #b91c1c;
    }
}