/* VProxima - Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    --color-bg: #0a0a12;
    --color-bg-elevated: #0f0f1a;
    --color-bg-card: #141420;
    --color-text: #ffffff;
    --color-text-secondary: #9999aa;
    --color-accent: #ff6b35;
    --color-accent-light: #ff8c5a;
    --color-accent-glow: rgba(255, 107, 53, 0.2);
    --color-gradient-1: #1a1a40;
    --color-gradient-2: #2d1b4e;
    --color-gradient-3: #0f2027;
    --color-border: rgba(255, 255, 255, 0.06);
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Animated Background */
.page-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.bg-gradient-orb.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-gradient-2) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.bg-gradient-orb.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-gradient-1) 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    animation-delay: -7s;
}

.bg-gradient-orb.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 30px) scale(1.02); }
}

/* Grid Pattern Overlay */
.bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
}

/* Math pattern SVG background */
.bg-math-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Ctext x='10' y='30' fill='white' font-family='monospace' font-size='10'%3E∑%3C/text%3E%3Ctext x='50' y='50' fill='white' font-family='monospace' font-size='10'%3E∫%3C/text%3E%3Ctext x='30' y='80' fill='white' font-family='monospace' font-size='10'%3Eπ%3C/text%3E%3Ctext x='70' y='25' fill='white' font-family='monospace' font-size='10'%3E∞%3C/text%3E%3Ctext x='80' y='70' fill='white' font-family='monospace' font-size='10'%3Eλ%3C/text%3E%3C/svg%3E");
    background-size: 200px 200px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(10, 10, 18, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 4rem;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    color: var(--color-text);
    text-decoration: none;
}

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

.nav-center {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-center > li {
    position: relative;
}

.nav-center > li > a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-center > li > a:hover,
.nav-center > li > a.active {
    color: var(--color-accent);
}

.nav-center > li > a svg {
    width: 12px;
    height: 12px;
    transition: transform 0.3s ease;
}

.nav-center > li:hover > a svg {
    transform: rotate(180deg);
}

/* Dropdown */
.dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 220px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 0.75rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.nav-center > li:hover .dropdown {
    opacity: 1;
    visibility: visible;
    margin-top: 0.5rem;
}

.dropdown a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.dropdown a:hover {
    background: var(--color-bg);
    color: var(--color-accent);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-toggle {
    display: flex;
    gap: 0.3rem;
    font-size: 0.8rem;
}

.lang-toggle button {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 0.4rem 0.7rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.lang-toggle button.active {
    color: var(--color-text);
    background: var(--color-bg-card);
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--color-accent-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 4rem 4rem;
    position: relative;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--color-accent);
    margin-bottom: 2rem;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero h1 span {
    color: var(--color-accent);
}

.hero p {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* Page Header (for inner pages) */
.page-header {
    padding: 10rem 4rem 4rem;
    position: relative;
}

.page-header .breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.page-header .breadcrumb a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-header .breadcrumb a:hover {
    color: var(--color-accent);
}

.page-header .breadcrumb span {
    color: var(--color-text-secondary);
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.page-header p {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    line-height: 1.7;
}

.page-header-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.page-header-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--color-accent);
    fill: none;
    stroke-width: 1.5;
}

/* Section Styles */
section {
    padding: 6rem 4rem;
    position: relative;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.75rem;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1rem;
    max-width: 700px;
}

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    line-height: 1.7;
}

/* Stats Bar */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 4rem;
    padding: 3rem 4rem;
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 107, 53, 0.3);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-accent);
    fill: none;
    stroke-width: 1.5;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-card .learn-more {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.service-card .learn-more:hover {
    gap: 0.8rem;
}

/* Partners Section */
.partners-section {
    padding: 6rem 4rem;
    background: var(--color-bg-elevated);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.partner-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.partner-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 107, 53, 0.3);
}

.partner-image {
    height: 280px;
    overflow: hidden;
    position: relative;
}

.partner-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top, var(--color-bg-card), transparent);
}

.partner-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform 0.4s ease;
}

.partner-card:hover .partner-photo {
    transform: scale(1.05);
}

.partner-info {
    padding: 1.5rem 2rem 2rem;
}

.partner-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.partner-role {
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.partner-bio {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.partner-links {
    display: flex;
    gap: 0.75rem;
}

.partner-links a {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all 0.3s ease;
}

.partner-links a:hover {
    background: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}

/* Content Sections (for detail pages) */
.content-section {
    padding: 4rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.content-grid.reverse {
    direction: rtl;
}

.content-grid.reverse > * {
    direction: ltr;
}

.content-text h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.content-text p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.content-visual {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.content-visual svg {
    width: 150px;
    height: 150px;
    stroke: var(--color-accent);
    fill: none;
    stroke-width: 1;
    opacity: 0.8;
}

/* Benefits Grid */
.benefits-section {
    padding: 6rem 4rem;
    background: var(--color-bg-elevated);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.benefit-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 2rem;
}

.benefit-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--color-accent);
}

.benefit-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* Resources/Blog Grid */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.resource-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.resource-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 107, 53, 0.3);
}

.resource-image {
    height: 200px;
    background: linear-gradient(135deg, var(--color-gradient-1), var(--color-gradient-2));
    display: flex;
    align-items: center;
    justify-content: center;
}

.resource-image svg {
    width: 60px;
    height: 60px;
    stroke: var(--color-accent);
    fill: none;
    stroke-width: 1.5;
    opacity: 0.8;
}

.resource-content {
    padding: 1.5rem 2rem 2rem;
}

.resource-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(255, 107, 53, 0.1);
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.resource-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.resource-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.resource-card .read-more {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* Contact Section */
.contact-section {
    padding: 6rem 4rem;
    position: relative;
}

.contact-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

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

/* CTA Section */
.cta-section {
    padding: 6rem 4rem;
    text-align: center;
    position: relative;
}

.cta-section .section-title {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 1.5rem auto 2rem;
}

/* Footer */
footer {
    padding: 4rem 4rem 2rem;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
}

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

.footer-brand .logo {
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-brand p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-column h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.footer-column a {
    display: block;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

/* Responsive */
@media (max-width: 1200px) {
    .services-grid,
    .partners-grid,
    .benefits-grid,
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    nav {
        padding: 1rem 2rem;
    }
    
    .nav-center {
        display: none;
    }
    
    .hero {
        padding: 6rem 2rem 3rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    section {
        padding: 4rem 2rem;
    }
    
    .services-grid,
    .partners-grid,
    .benefits-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-inner {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .stats-bar {
        flex-wrap: wrap;
        gap: 2rem;
    }
}