/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Colors */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-blue: #0170B9;
    --color-dark-gray: #3a3a3a;
    --color-gray: #4B4F58;
    --color-light-gray: #F5F5F5;
    --color-lighter-gray: #E5E5E5;
    --color-medium-gray: #424242;
    --color-red: #a90707;
    --color-border: #dddddd;
    
    /* Typography */
    --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, Helvetica, Verdana, sans-serif;
    --font-heading: 'Roboto Slab', 'Times New Roman', serif;
    
    /* Font Sizes */
    --font-size-base: 15px;
    --font-size-h1: 40px;
    --font-size-h2: 30px;
    --font-size-h3: 25px;
    --font-size-h4: 20px;
    --font-size-h5: 18px;
    --font-size-h6: 15px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Layout */
    --header-height: 80px;
    --container-max-width: 1920px;
    --container-padding: 3em;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 93.75%; /* 15px base */
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

h4 {
    font-size: var(--font-size-h4);
}

h5 {
    font-size: var(--font-size-h5);
}

h6 {
    font-size: var(--font-size-h6);
}

p {
    margin-bottom: var(--spacing-sm);
}

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

a:hover,
a:focus {
    color: var(--color-blue);
}

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

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

/* ============================================
   Header
   ============================================ */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-black);
    color: var(--color-white);
    height: var(--header-height);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-white);
}

.logo-img {
    width: 45px;
    height: 45px;
    object-fit: contain;
    filter: brightness(1.1);
}

/* Improve PNG logo quality in header */
.logo-img[src*=".png"] {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-white);
}

/* Navigation */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

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

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--color-white);
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-blue);
    background-color: var(--color-black);
}

.nav-link i {
    font-size: 0.7rem;
}

/* Dropdown Menu */
.has-dropdown .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-black);
    min-width: 200px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    border-top: 2px solid var(--color-white);
    padding: 0.5rem 0;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--color-white);
    font-size: 14px;
    text-transform: uppercase;
    transition: var(--transition-fast);
}

.dropdown-menu a:hover {
    background-color: var(--color-dark-gray);
    color: var(--color-blue);
}

/* Header Right */
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Language Switcher */
.language-switcher {
    position: relative;
}

.lang-current {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    color: var(--color-white);
    cursor: pointer;
    font-size: 14px;
}

.lang-current img {
    width: 20px;
    height: 15px;
    object-fit: cover;
}

.lang-options {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--color-black);
    min-width: 150px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 0.5rem;
}

.language-switcher:hover .lang-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-options li {
    margin: 0;
}

.lang-options a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: var(--color-white);
    font-size: 14px;
}

.lang-options a:hover {
    background-color: var(--color-dark-gray);
}

.lang-options img {
    width: 20px;
    height: 15px;
}

/* Social Icons */
.social-icons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    color: var(--color-white);
    border-radius: 5px;
    transition: var(--transition-fast);
    padding: 4px;
}

.social-icons a:hover {
    color: var(--color-blue);
    background-color: rgba(255, 255, 255, 0.1);
}

.social-icons i {
    font-size: 18px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: 1px solid var(--color-white);
    border-radius: 2px;
    padding: 8px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    justify-content: center;
    align-items: center;
}

.mobile-menu-toggle span {
    width: 20px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition-fast);
}

/* ============================================
   Crypto Ticker
   ============================================ */
.crypto-ticker {
    margin-top: var(--header-height);
    background-color: var(--color-black);
    color: var(--color-white);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ticker-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.ticker-label {
    font-weight: 700;
    font-size: 14px;
    white-space: nowrap;
}

.ticker-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
    overflow-x: auto;
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.ticker-symbol {
    font-weight: 700;
    color: var(--color-blue);
}

.ticker-price {
    color: var(--color-white);
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.hero-background-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="%230171B9" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100%25" height="100%25" fill="url(%23grid)"/><circle cx="200" cy="150" r="3" fill="%230171B9" opacity="0.6"><animate attributeName="opacity" values="0.6;1;0.6" dur="2s" repeatCount="indefinite"/></circle><circle cx="400" cy="250" r="3" fill="%230171B9" opacity="0.6"><animate attributeName="opacity" values="0.6;1;0.6" dur="2.5s" repeatCount="indefinite"/></circle><circle cx="600" cy="200" r="3" fill="%230171B9" opacity="0.6"><animate attributeName="opacity" values="0.6;1;0.6" dur="3s" repeatCount="indefinite"/></circle><circle cx="800" cy="300" r="3" fill="%230171B9" opacity="0.6"><animate attributeName="opacity" values="0.6;1;0.6" dur="2.2s" repeatCount="indefinite"/></circle><circle cx="1000" cy="180" r="3" fill="%230171B9" opacity="0.6"><animate attributeName="opacity" values="0.6;1;0.6" dur="2.8s" repeatCount="indefinite"/></circle></svg>');
    background-size: cover, auto;
    background-position: center;
    background-repeat: no-repeat;
    animation: subtleMove 20s ease-in-out infinite;
}

@keyframes subtleMove {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7));
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-xl) var(--container-padding);
    max-width: 800px;
    margin: 0 auto;
}

.hero-logo {
    margin-bottom: var(--spacing-md);
}

.hero-logo img,
.hero-logo-img {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 20px rgba(1, 112, 185, 0.5));
    transition: transform var(--transition-normal);
}

.hero-logo img:hover,
.hero-logo-img:hover {
    transform: scale(1.05);
}

/* Fallback for PNG logo - improve quality */
.hero-logo img[src*=".png"] {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    image-rendering: pixelated;
    filter: drop-shadow(0 4px 20px rgba(1, 112, 185, 0.5)) contrast(1.1) brightness(1.05);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 300;
    line-height: 1.4;
    color: var(--color-white);
    margin: var(--spacing-sm) 0;
}

.hero-cta {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-white);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    font-size: var(--font-size-h2);
    font-weight: 500;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-lg);
}

.section-description {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-gray);
}

.section-divider {
    height: 1px;
    background-color: var(--color-border);
    margin: var(--spacing-lg) 0;
}

/* ============================================
   Who We Are Section
   ============================================ */
.who-we-are {
    background-color: var(--color-white);
}

/* ============================================
   Team Section
   ============================================ */
.team-section {
    background-color: var(--color-white);
}

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

.team-card {
    background-color: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition-normal);
    text-align: center;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.team-photo {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background-color: var(--color-lighter-gray);
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-info {
    padding: var(--spacing-md);
}

.team-name {
    font-size: var(--font-size-h4);
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-xs);
}

.team-role {
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* ============================================
   What We Do Section
   ============================================ */
.what-we-do {
    background-color: var(--color-light-gray);
}

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

.activity-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition-normal);
}

.activity-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.activity-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-blue);
    border-radius: 50%;
    color: var(--color-white);
}

.activity-icon i {
    font-size: 2rem;
}

.activity-title {
    font-size: var(--font-size-h4);
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-sm);
}

.activity-description {
    color: var(--color-gray);
    line-height: 1.6;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    background-color: var(--color-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.contact-info .section-title {
    text-align: left;
    font-size: var(--font-size-h4);
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray);
}

.contact-item i {
    color: var(--color-blue);
    font-size: 1.2rem;
    margin-top: 0.2rem;
    min-width: 20px;
}

.social-icons-large {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 5px;
    color: var(--color-white);
    font-size: 1.5rem;
    transition: var(--transition-fast);
}

.social-icon.facebook {
    background-color: #1877F2;
}

.social-icon.twitter {
    background-color: #1DA1F2;
}

.social-icon.instagram {
    background-color: #E4405F;
}

.social-icon.linkedin {
    background-color: #0077B5;
}

.social-icon:hover {
    transform: translateY(-3px);
    opacity: 0.9;
}

/* Contact Form */
.contact-form-wrapper .section-title {
    text-align: left;
    font-size: var(--font-size-h4);
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--color-gray);
    background-color: var(--color-white);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 2px rgba(1, 112, 185, 0.1);
}

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

.submit-btn {
    padding: 15px 30px;
    background-color: var(--color-red);
    color: var(--color-white);
    border: none;
    border-radius: 2px;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    align-self: flex-start;
}

.submit-btn:hover {
    background-color: #8a0606;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(169, 7, 7, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

/* ============================================
   Footer
   ============================================ */
.main-footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-md) 0;
    min-height: 80px;
    display: flex;
    align-items: center;
}

.footer-content {
    text-align: center;
    width: 100%;
}

.footer-content p {
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
    font-size: 0.9rem;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }