/* ========================================
   RESET & BASE STYLES
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --color-bg: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-card: #1a1a1a;
    --color-text: #e4e4e7;
    --color-text-secondary: #a1a1aa;
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-accent: #06b6d4;
    --color-success: #10b981;
    --color-border: #27272a;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Layout */
    --container-width: 1200px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

section {
    padding: var(--spacing-xl) 0;
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.logo-bracket {
    color: var(--color-primary);
}

.logo-text {
    color: var(--color-text);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--color-text);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-text);
    background-color: var(--color-bg-card);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 80px 0 var(--spacing-md) 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Terminal */
.hero-terminal {
    animation: fadeInRight 1s ease-out 0.3s backwards;
}

.terminal-window {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    background-color: var(--color-bg-card);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.terminal-buttons {
    display: flex;
    gap: 0.5rem;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close {
    background-color: #ff5f56;
}

.btn-minimize {
    background-color: #ffbd2e;
}

.btn-maximize {
    background-color: #27c93f;
}

.terminal-title {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

.terminal-body {
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.terminal-line {
    margin-bottom: var(--spacing-sm);
}

.prompt {
    color: var(--color-accent);
}

.command {
    color: var(--color-primary);
}

.cursor {
    animation: blink 1s infinite;
}

.terminal-output {
    margin: var(--spacing-sm) 0;
}

.output-line {
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
}

.output-icon {
    font-size: 1.1rem;
}

.status {
    margin-left: auto;
    font-size: 0.85rem;
}

.status.done {
    color: var(--color-success);
}

.output-line.success {
    color: var(--color-success);
    font-weight: 600;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ========================================
   SECTION HEADERS
   ======================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-label {
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   SERVICES SECTION
   ======================================== */

.services {
    background-color: var(--color-bg-secondary);
    padding-top: var(--spacing-lg) !important;
    position: relative;
    z-index: 10;
}

.services-tabs {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.tab-btn {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
}

.tab-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-text);
}

.tab-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.tab-icon {
    font-size: 1.2rem;
}

.services-content {
    position: relative;
    min-height: 400px;
}

.service-tab-content {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.service-tab-content.active {
    display: block;
}

.service-detail {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.service-detail h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.service-intro {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.service-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.service-list li {
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    position: relative;
}

.service-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.tech-stack {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.stack-layer {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.layer-label {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.layer-tech {
    font-size: 0.95rem;
    color: var(--color-text);
}

.service-industries {
    overflow: hidden;
    padding: var(--spacing-md) 0;
}

.industry-marquee {
    display: flex;
    gap: var(--spacing-lg);
    animation: marquee 20s linear infinite;
}

.industry-marquee span {
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    white-space: nowrap;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

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

/* Service Who Section */
.service-who {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.service-who h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.who-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.who-item {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    transition: var(--transition);
}

.who-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.15);
}

.who-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
}

.who-item p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin: 0;
}

.who-item strong {
    color: var(--color-text);
    display: block;
    margin-bottom: 0.25rem;
}

/* ========================================
   CLIENTS SECTION
   ======================================== */

.clients {
    background: 
        radial-gradient(circle at 30% 30%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        var(--color-bg);
}

.client-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.client-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: var(--transition);
}

.client-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
}

.client-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.client-card h3 {
    font-size: 1.35rem;
    margin-bottom: var(--spacing-sm);
}

.client-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.clients-footer {
    text-align: center;
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-lg);
}

/* ========================================
   PROCESS SECTION
   ======================================== */

.process {
    background-color: var(--color-bg-secondary);
}

.process-steps {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
}

.process-step {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.process-step:last-child {
    border-bottom: none;
}

.step-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    flex-shrink: 0;
    opacity: 0.3;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.step-tagline {
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.step-details {
    list-style: none;
}

.step-details li {
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    position: relative;
    color: var(--color-text-secondary);
}

.step-details li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.process-cta {
    text-align: center;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.profile-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    position: sticky;
    top: 100px;
}

.profile-img-placeholder {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.initials {
    font-size: 3rem;
    font-weight: 700;
    color: white;
}

.profile-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.profile-title {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.profile-location {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.about-text {
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-intro {
    font-size: 1.25rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

.skills-section {
    margin-top: var(--spacing-lg);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
}

.skills-section h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.skills-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-name {
    font-weight: 500;
}

.skill-percent {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.skill-progress {
    height: 8px;
    background-color: var(--color-bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 4px;
    transition: width 1s ease-out;
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */

.testimonials {
    background-color: var(--color-bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.author-info strong {
    display: block;
    margin-bottom: 0.25rem;
}

.author-info span {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ========================================
   FAQ SECTION
   ======================================== */

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--color-text);
    padding: var(--spacing-md) 0;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition);
}

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

.faq-number {
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 700;
    opacity: 0.5;
}

.faq-text {
    flex: 1;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: var(--spacing-md);
}

.faq-answer p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact {
    background: 
        radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 60%),
        var(--color-bg-secondary);
}

.contact-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.contact-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}

.contact-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.contact-card.primary {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.contact-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.contact-card p {
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.contact-cta {
    color: var(--color-primary);
    font-weight: 600;
    margin-top: var(--spacing-sm);
    display: inline-block;
}

/* WhatsApp Links */
.whatsapp-card {
    position: relative;
}

.whatsapp-link {
    display: block;
    text-decoration: none;
    color: inherit;
    padding: 0.75rem;
    margin: 0.5rem -0.75rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

.whatsapp-link:hover {
    background-color: rgba(37, 211, 102, 0.1);
    border-color: #25D366;
    transform: translateX(5px);
}

.whatsapp-link p {
    margin: 0 0 0.25rem 0;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text);
}

.whatsapp-link .contact-cta {
    margin: 0;
    color: #25D366;
    font-size: 0.9rem;
}

.whatsapp-link:hover .contact-cta {
    color: #128C7E;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.social-link {
    width: 50px;
    height: 50px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-3px);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-terminal {
        order: -1;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .profile-card {
        position: static;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero {
        padding: 80px 0 var(--spacing-sm) 0;
        min-height: auto;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .client-types {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .services-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        width: 100%;
        justify-content: center;
    }
    
    .who-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
        text-align: center;
    }
    
    .process-step {
        flex-direction: column;
    }
    
    .step-number {
        font-size: 2rem;
    }
}

/* ========================================
   ANIMATIONS & UTILITIES
   ======================================== */

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ========================================
   MODAL STYLES
   ======================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: none;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
    opacity: 0;
    transition: opacity 0.3s ease-out;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease-out;
}

.modal-container {
    position: relative;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--spacing-lg);
    z-index: 10001;
    animation: slideInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10002;
}

.modal-close:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-text);
    transform: rotate(90deg);
}

.modal-header {
    margin-bottom: var(--spacing-lg);
}

.modal-header h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.modal-header p {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* Contact Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    padding: 0.875rem 1rem;
    color: var(--color-text);
    font-size: 0.95rem;
    font-family: var(--font-sans);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.6;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 20px;
    padding-right: 2.5rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-actions {
    margin-top: var(--spacing-sm);
}

.btn-submit {
    width: 100%;
    position: relative;
    overflow: hidden;
}

.btn-loading {
    display: none;
}

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

.btn-submit.loading .btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

.spinner-circle {
    stroke: currentColor;
    stroke-linecap: round;
    stroke-dasharray: 50;
    stroke-dashoffset: 10;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.form-message {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.95rem;
    text-align: center;
    margin-top: var(--spacing-sm);
    display: none;
    animation: slideInUp 0.3s ease-out;
}

.form-message.show {
    display: block;
}

.form-message.success {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.form-message.error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
}

/* Modal Mobile Responsiveness */
@media (max-width: 768px) {
    .modal-container {
        padding: var(--spacing-md);
        max-height: 95vh;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .modal-close {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .modal {
        padding: var(--spacing-sm);
    }
    
    .modal-container {
        padding: var(--spacing-sm);
    }
    
    .modal-header h2 {
        font-size: 1.35rem;
    }
}