/* ==========================================================================
   JEFFERSON MORENO
   ========================================================================== */

/* Fonts Import */

/* Fallback fonts with metric overrides to prevent CLS */
@font-face {
    font-family: 'Inter Fallback';
    src: local('Arial');
    size-adjust: 96%;
    ascent-override: 90%;
    descent-override: 22%;
    line-gap-override: 0%;
}
@font-face {
    font-family: 'Outfit Fallback';
    src: local('Arial');
    size-adjust: 96%;
    ascent-override: 90%;
    descent-override: 22%;
    line-gap-override: 0%;
}

:root {
    /* Color Tokens */
    --color-dark: #07090E;
    --color-dark-card: #0D111A;
    --color-primary: #3B82F6;     /* Royal Blue */
    --color-secondary: #A855F7;   /* Neon Purple */
    --color-accent: #06B6D4;      /* Cyan Accent */
    --color-text-white: #FFFFFF;
    --color-text-muted: #94A3B8;  /* Cool Gray */
    --color-border: rgba(255, 255, 255, 0.08);

    /* Fonts */
    --font-display: 'Outfit', 'Outfit Fallback', sans-serif;
    --font-sans: 'Inter', 'Inter Fallback', sans-serif;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

html {
    overflow-x: hidden;
    max-width: 100%;
}

body {
    background-color: var(--color-dark);
    color: var(--color-text-white);
    font-family: var(--font-sans);
    overflow-x: hidden;
    max-width: 100%;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Layout Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ==========================================================================
   UTILITY & EFFECTS
   ========================================================================== */

/* Background wrapper — clips all decorative elements to viewport */
.bg-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

/* High-Tech Grid Background */
.tech-grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.03;
    background-image: 
        linear-gradient(var(--color-primary) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-primary) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Glowing Neon Background Blobs */
.glow-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: 2;
    pointer-events: none;
    opacity: 0.15;
    animation: floatGlow 15s infinite alternate ease-in-out;
}

.glow-blue {
    background: var(--color-primary);
    width: 400px;
    height: 400px;
    top: 10%;
    left: 0;
    transform: translateX(-30%);
}

.glow-purple {
    background: var(--color-secondary);
    width: 450px;
    height: 450px;
    bottom: 20%;
    right: 0;
    transform: translateX(30%);
}

.glow-cyan {
    background: var(--color-accent);
    width: 300px;
    height: 300px;
    top: 45%;
    left: 40%;
}

@keyframes floatGlow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, 30px) scale(1.15); }
}

/* Glassmorphism Cards */
.glass-card {
    background: rgba(13, 17, 26, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: 1.25rem;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(59, 130, 246, 0.05);
}

/* Text Gradients */
.grad-text-blue-purple {
    background: linear-gradient(135deg, #60A5FA 0%, #C084FC 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.grad-text-cyan-blue {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    max-width: 100%;
    z-index: 100;
    background: rgba(7, 9, 14, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 0.75rem 0;
    background: rgba(7, 9, 14, 0.9);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    width: 100%;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: clamp(1rem, 4vw, 1.5rem);
    font-weight: 800;
    flex-shrink: 1;
    min-width: 0;
    white-space: nowrap;
}

.logo-name {
    display: inline-flex;
    letter-spacing: 0.05em;
}

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

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

.logo-img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--color-border);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(168, 85, 247, 0.2));
}

.nav-links {
    display: flex;
    gap: 1.75rem;
    list-style: none;
    margin-left: auto;
    margin-right: 2rem;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text-white);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* Neon buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-primary);
    color: var(--color-text-white);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #2563EB;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

.btn-neon-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.1);
    cursor: pointer;
}

.btn-neon-outline:hover {
    background: var(--color-primary);
    color: var(--color-text-white);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 100px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    z-index: 10;
}

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

.badge-hero {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--color-accent);
    padding: 0.35rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .hero-content h1 {
        font-size: 4.5rem;
    }
}

.typed-word {
    display: inline-block;
    border-right: 3px solid var(--color-accent);
    padding-right: 4px;
    animation: blinkCursor 0.8s infinite;
}

@keyframes blinkCursor {
    50% { border-color: transparent; }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-w: 600px;
    margin: 0 auto 2.5rem auto;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
}

/* ==========================================================================
   BENEFITS 
   ========================================================================== */
.section {
    padding: 100px 0;
    position: relative;
    z-index: 10;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4.5rem auto;
}

.section-tag {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
    display: block;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.benefit-card .icon-wrapper {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 0.75rem;
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.3s ease;
}

.benefit-card:hover .icon-wrapper {
    background: var(--color-primary);
    color: var(--color-text-white);
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.benefit-card p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ==========================================================================
   SOBRE MIM (JEFFERSON MORENO - PROFILE)
   ========================================================================== */
.profile-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5rem;
    align-items: center;
}

@media (min-width: 768px) {
    .profile-grid {
        grid-template-columns: 1fr 2.5fr;
    }
}

.profile-avatar-wrapper {
    display: flex;
    justify-content: center;
    position: relative;
}

.profile-avatar {
    width: 260px;
    height: 260px;
    border-radius: 2rem;
    border: 2px solid var(--color-border);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(168, 85, 247, 0.15) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transition: all 0.5s ease;
}

.profile-avatar-wrapper:hover .profile-avatar {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 25px 50px rgba(59, 130, 246, 0.2);
}

.profile-avatar i {
    font-size: 6rem;
    background: linear-gradient(135deg, var(--color-text-white) 30%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.profile-academic {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.academic-badge {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--color-border);
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.8125rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
}

.academic-badge i {
    color: var(--color-accent);
}

.profile-text h3 {
    font-size: 2rem;
    margin-bottom: 1.25rem;
}

.profile-text p {
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
    font-size: 1rem;
    line-height: 1.7;
}

.profile-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-item {
    border-left: 2px solid var(--color-accent);
    padding-left: 1rem;
}

.stat-item h4 {
    font-size: 1.125rem;
    color: var(--color-text-white);
    margin-bottom: 0.25rem;
}

.stat-item p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ==========================================================================
   METODOLOGIA & PROCESSO DE ORÇAMENTO (TIMELINE)
   ========================================================================== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 2.5rem;
    border-left: 2px solid var(--color-border);
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: -2px;
    height: 100%;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-accent), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 3.5rem;
    transition: all 0.3s ease;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-badge {
    position: absolute;
    left: calc(-2.5rem - 16px);
    top: 4px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--color-dark);
    border: 2.5px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-text-muted);
    transition: all 0.4s ease;
}

.timeline-item:hover .timeline-badge {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-dark);
    box-shadow: 0 0 15px var(--color-accent);
}

.timeline-content h3 {
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-white);
}

.timeline-item:hover .timeline-content h3 {
    color: var(--color-accent);
}

.timeline-content p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ==========================================================================
   SOLUTIONS/CATALOG (TABBED SWITCH)
   ========================================================================== */
.tabs-control {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    background: rgba(13, 17, 26, 0.6);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.tab-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.solutions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.solution-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.solution-card.hidden {
    display: none;
}

.solution-card h4 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

.solution-card p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.solution-features {
    list-style: none;
    margin-bottom: 2rem;
}

.solution-features li {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.solution-features li i {
    color: var(--color-primary);
}

.solution-actions {
    display: flex;
    gap: 0.75rem;
    width: 100%;
    margin-top: auto;
}

.solution-btn {
    flex: 1;
    text-align: center;
    padding: 0.75rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 0.875rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.solution-btn.outline {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text-white);
}

.solution-btn.outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.25);
}

.solution-card:hover .solution-btn:not(.outline) {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}

/* ==========================================================================
   CONTACT CTA (WHATSAPP REDIRECT)
   ========================================================================== */
.cta-box {
    background: linear-gradient(135deg, rgba(13, 17, 26, 0.7) 0%, rgba(7, 9, 14, 0.8) 100%);
    border: 1px solid var(--color-border);
    border-radius: 2rem;
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.25rem;
}

.cta-content p {
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    font-size: 1.125rem;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: #25D366;
    color: #FFFFFF;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.125rem;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-whatsapp:hover {
    background: #20BA5A;
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.5);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
    background: #040508;
    border-top: 1px solid var(--color-border);
    padding: 4rem 0 2rem 0;
    position: relative;
    z-index: 10;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    max-width: 400px;
}

.footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 1rem 0;
}

.footer-links a {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.footer-links a:hover {
    color: var(--color-text-white);
}

.footer-copyright {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    width: 100%;
    padding-top: 2rem;
    margin-top: 1rem;
}

/* ==========================================================================
   RESPONSIVENESS (MOBILE DRAWER)
   ========================================================================== */
@media (max-width: 1024px) {
    .nav-container {
        height: 64px;
    }

    .nav-links {
        display: none; /* Can be expanded dynamically with JS if needed */
        margin-left: 0;
        margin-right: 0;
    }
    
    header .btn-primary {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        padding: 0;
        margin: 0;
        border: 1px solid var(--color-border);
        border-radius: 50%;
        transition: all 0.3s ease;
    }
    
    .mobile-menu-toggle:hover {
        border-color: var(--color-primary);
        color: var(--color-primary);
        box-shadow: 0 0 12px rgba(59, 130, 246, 0.25);
    }
    
    .hero-content h1 {
        font-size: 2.75rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .hero-actions a {
        width: 100%;
        justify-content: center;
    }
    
    .timeline {
        padding-left: 1.5rem;
    }
    
    .timeline-badge {
        left: calc(-1.5rem - 16px);
    }
}

/* Theme Toggle & Actions Layout */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-shrink: 0;
    margin-left: 0.75rem;
}

.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    padding: 0;
    margin: 0;
    line-height: 1;
    outline: none;
}

.theme-toggle-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.25);
}

/* ==========================================================================
   LIGHT THEME OVERRIDES
   ========================================================================== */
body.light-theme {
    --color-dark: #F8FAFC;
    --color-dark-card: #FFFFFF;
    --color-text-white: #0F172A;
    --color-text-muted: #475569;
    --color-border: rgba(15, 23, 42, 0.08);
}

body.light-theme .tech-grid-bg {
    opacity: 0.04;
}

body.light-theme .glow-blob {
    opacity: 0.07;
}

body.light-theme .glass-card {
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04), 0 0 20px rgba(59, 130, 246, 0.02);
}

body.light-theme .glass-card:hover {
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.08), 0 0 25px rgba(59, 130, 246, 0.06);
}

body.light-theme .grad-text-blue-purple {
    background: linear-gradient(135deg, #1D4ED8 0%, #7E22CE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.light-theme .grad-text-cyan-blue {
    background: linear-gradient(135deg, #0E7490 0%, #1D4ED8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.light-theme header {
    background: rgba(248, 250, 252, 0.8);
}

body.light-theme header.scrolled {
    background: rgba(248, 250, 252, 0.95);
}

body.light-theme .nav-links a:hover,
body.light-theme .nav-links a.active {
    text-shadow: 0 0 10px rgba(15, 23, 42, 0.15);
}

body.light-theme .academic-badge {
    background: rgba(15, 23, 42, 0.04);
}

body.light-theme .timeline-badge {
    background: var(--color-dark);
}

body.light-theme .tab-btn {
    background: rgba(255, 255, 255, 0.9);
}

body.light-theme .tab-btn.active {
    background: var(--color-primary);
    color: #FFFFFF;
}

body.light-theme .solution-btn {
    background: rgba(15, 23, 42, 0.03);
}

body.light-theme .cta-box {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(241, 245, 249, 0.95) 100%);
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.05);
}

body.light-theme footer {
    background: #F1F5F9;
}

body.light-theme .footer-copyright {
    color: rgba(15, 23, 42, 0.3);
    border-top-color: rgba(15, 23, 42, 0.05);
}

@media (max-width: 1024px) {
    .nav-actions {
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        height: 60px;
    }
    .logo {
        font-size: 1.15rem;
        gap: 0.5rem;
    }
    .logo-img {
        width: 30px;
        height: 30px;
    }
    .nav-actions {
        gap: 0.5rem;
    }
    .theme-toggle-btn,
    .mobile-menu-toggle {
        width: 36px;
        height: 36px;
    }
    .theme-toggle-btn {
        font-size: 0.9rem;
    }
    .mobile-menu-toggle {
        font-size: 1.2rem;
    }
    
    header .container {
        padding: 0 1rem;
    }
}