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

:root {
    --primary-color: #0a0e27;
    --secondary-color: #1a2332;
    --accent-color: #16213e;
    --text-light: #ffffff;
    --text-dark: #e8eaed;
    --gold-accent: #d4af37;
    --gold-light: #f4d03f;
    --blue-accent: #2980b9;
    --gray-light: #0f1419;
    --gray-medium: #1a1f2e;
    --gray-dark: #2a3142;
    --card-bg: #151b26;
    --card-bg-light: #1a2130;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
}

body {
    font-family: 'Inter', 'Segoe UI', 'Arial', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    overflow-x: hidden;
    background: var(--gray-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Navigation */
.navbar {
    background: rgba(10, 14, 39, 0.95);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}

.nav-brand {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-light);
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--gold-accent), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-shrink: 1;
}

@media (min-width: 1025px) {
    .nav-menu {
        max-height: none !important;
        opacity: 1 !important;
        position: relative !important;
        padding: 0 !important;
        flex-direction: row !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
    }
    
    .nav-menu a {
        background: transparent !important;
        padding: 0.6rem 0 !important;
    }
    
    .lang-toggle {
        width: auto !important;
        margin-top: 0 !important;
    }
}

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
    padding: 0.6rem 0;
    border-bottom: 2px solid transparent;
    position: relative;
    white-space: nowrap;
}

.nav-menu a.active {
    color: var(--gold-accent);
}

.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold-accent), var(--gold-light));
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-menu a:hover::after {
    width: 100%;
}

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

.lang-toggle {
    background: linear-gradient(135deg, var(--gold-accent), var(--gold-light));
    color: var(--primary-color);
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.8rem;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    flex-shrink: 0;
}

.lang-toggle:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: linear-gradient(90deg, var(--gold-accent), var(--gold-light));
    border-radius: 2px;
    transition: var(--transition);
    display: block;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.5) 0%, rgba(26, 35, 50, 0.4) 100%), 
                url('../images/ship-banner.jpg') center/cover no-repeat;
    color: var(--text-light);
    min-height: calc(100vh - 76px);
    display: flex;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(41, 128, 185, 0.08) 100%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.hero .container {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 4rem 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    line-height: 1.2;
    letter-spacing: -0.5px;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease-out;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.9;
    margin-bottom: 3.5rem;
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.96;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn {
    padding: 1.1rem 3rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition);
    letter-spacing: 0.5px;
    display: inline-block;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    box-shadow: var(--shadow-md);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-accent) 0%, var(--gold-light) 100%);
    color: var(--primary-color);
    border: 2px solid transparent;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-accent) 100%);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(212, 175, 55, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--gold-accent);
}

.btn-secondary:hover {
    background: var(--gold-accent);
    color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(212, 175, 55, 0.3);
}

/* Section Title */
.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3.5rem;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-light), var(--text-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--gold-accent), var(--gold-light));
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.4);
}

.section-title::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 4px;
    background: linear-gradient(90deg, var(--gold-light), var(--gold-accent));
    border-radius: 2px;
}

.section-intro {
    text-align: center;
    font-size: 1.15rem;
    max-width: 850px;
    margin: 0 auto 4rem;
    line-height: 1.9;
    color: var(--text-dark);
    font-weight: 400;
}

/* About Section */
.about {
    padding: 7rem 0;
    background: 
        linear-gradient(135deg, rgba(15, 20, 25, 0.72) 0%, rgba(26, 40, 46, 0.72) 100%),
        url('../images/bg-section2.jpg') center/cover no-repeat fixed;
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-accent), transparent);
}

.about-content h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--gold-accent);
    font-weight: 800;
    position: relative;
}

.about-content p {
    font-size: 1.08rem;
    line-height: 2;
    margin-bottom: 2rem;
    text-align: justify;
    color: var(--text-dark);
}

.overview-box {
    background: linear-gradient(135deg, rgba(26, 33, 48, 0.3) 0%, rgba(21, 27, 38, 0.3) 100%);
    color: var(--text-light);
    padding: 3.5rem;
    margin-bottom: 3rem;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(212, 175, 55, 0.15);
    position: relative;
    overflow: hidden;
}

.overview-box h3 {
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(212, 175, 55, 0.3);
}

.overview-box p:last-child {
    margin-bottom: 0;
}

.vision-box {
    background: linear-gradient(135deg, rgba(26, 33, 48, 0.3) 0%, rgba(21, 27, 38, 0.3) 100%);
    color: var(--text-light);
    padding: 3.5rem;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(212, 175, 55, 0.15);
    position: relative;
    overflow: hidden;
}

.vision-box h3 {
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(212, 175, 55, 0.3);
}

.vision-box blockquote {
    font-size: 1.2rem;
    line-height: 2;
    font-style: italic;
    padding-left: 2rem;
    border-left: 4px solid var(--gold-accent);
    margin: 0;
}

/* Operations Section */
.operations {
    padding: 7rem 0;
    background: 
        linear-gradient(rgba(21, 27, 38, 0.70), rgba(21, 27, 38, 0.70)),
        url('../images/bg-section3.jpg') center/cover no-repeat fixed;
    position: relative;
}

.operations::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(212, 175, 55, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(41, 128, 185, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.operations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 3.5rem;
}

.operation-card {
    background: linear-gradient(135deg, rgba(26, 33, 48, 0.3) 0%, rgba(21, 27, 38, 0.3) 100%);
    padding: 3rem;
    border-radius: 16px;
    transition: var(--transition);
    border: 1px solid rgba(212, 175, 55, 0.15);
    position: relative;
    overflow: hidden;
}

.operation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--gold-accent), var(--gold-light));
    transform: scaleY(0);
    transition: var(--transition);
}

.operation-card:hover::before {
    transform: scaleY(1);
}

.operation-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(212, 175, 55, 0.2);
    border-color: var(--gold-accent);
}

.operation-number {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--gold-accent), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.15;
    margin-bottom: 1.5rem;
    line-height: 1;
}

.operation-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.2rem;
    color: var(--text-light);
    font-weight: 700;
}

.operation-card p {
    line-height: 1.9;
    color: var(--text-dark);
}

/* Portfolio Section */
.portfolio {
    padding: 7rem 0;
    background: 
        linear-gradient(135deg, rgba(15, 20, 25, 0.72) 0%, rgba(26, 31, 46, 0.72) 100%),
        url('../images/bg-section4.jpg') center/cover no-repeat fixed;
}

.portfolio-categories {
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
}

.category {
    background: linear-gradient(135deg, rgba(26, 33, 48, 0.3) 0%, rgba(21, 27, 38, 0.3) 100%);
    padding: 3.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(212, 175, 55, 0.15);
    transition: var(--transition);
}

.category:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.15);
    border-color: var(--gold-accent);
}

.category h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--text-light);
    border-bottom: 3px solid var(--gold-accent);
    padding-bottom: 1rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gold-accent), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.category ul {
    list-style: none;
    padding: 0;
}

.category li {
    margin-bottom: 2rem;
    line-height: 1.9;
    padding-left: 2rem;
    position: relative;
}

.category li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--gold-accent);
    font-weight: bold;
    font-size: 1.2em;
}

.category li strong {
    color: var(--gold-light);
    font-size: 1.1rem;
    font-weight: 700;
}

/* Risk Management Section */
.risk-management {
    padding: 7rem 0;
    background: 
        linear-gradient(135deg, rgba(21, 27, 38, 0.72) 0%, rgba(26, 40, 54, 0.72) 100%),
        url('../images/bg-section5.jpg') center/cover no-repeat fixed;
    position: relative;
}

.risk-management::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-accent), transparent);
}

.risk-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 3.5rem;
}

.risk-item {
    background: linear-gradient(135deg, rgba(26, 33, 48, 0.3) 0%, rgba(21, 27, 38, 0.3) 100%);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid rgba(212, 175, 55, 0.15);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.risk-item::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
    transform: translate(30%, -30%);
}

.risk-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(212, 175, 55, 0.2);
    border-color: var(--gold-accent);
}

.risk-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    color: var(--text-light);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.risk-item h3::before {
    content: '◆';
    color: var(--gold-accent);
    margin-right: 0.8rem;
    font-size: 0.8em;
}

.risk-item p {
    line-height: 1.9;
    color: var(--text-dark);
    position: relative;
    z-index: 1;
}

/* Network Section */
.network {
    padding: 7rem 0;
    background: 
        linear-gradient(135deg, rgba(10, 14, 39, 0.72) 0%, rgba(26, 35, 50, 0.72) 100%),
        url('../images/bg-section6.jpg') center/cover no-repeat fixed;
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.network::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(41, 128, 185, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

.network .container {
    position: relative;
    z-index: 1;
}

.network .section-title {
    color: var(--text-light);
    background: linear-gradient(135deg, var(--gold-accent), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.network .section-title::after {
    background: linear-gradient(90deg, var(--gold-accent), var(--gold-light));
}

.network .section-intro {
    color: rgba(255, 255, 255, 0.92);
}

.network-regions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.region {
    background: linear-gradient(135deg, rgba(26, 33, 48, 0.3) 0%, rgba(21, 27, 38, 0.3) 100%);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(212, 175, 55, 0.15);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.region::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition);
}

.region:hover::before {
    opacity: 1;
}

.region:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
    border-color: var(--gold-accent);
}

.region-number {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--gold-accent), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    line-height: 1;
}

.region h3 {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: var(--gold-accent);
    font-weight: 700;
}

.region p {
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.88);
}

/* Why Us Section */
.why-us {
    padding: 7rem 0;
    background: 
        linear-gradient(135deg, rgba(15, 20, 25, 0.72) 0%, rgba(21, 27, 38, 0.72) 100%),
        url('../images/bg-section7.jpg') center/cover no-repeat fixed;
}

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

.why-item {
    background: linear-gradient(135deg, rgba(26, 33, 48, 0.3) 0%, rgba(21, 27, 38, 0.3) 100%);
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(212, 175, 55, 0.15);
    position: relative;
    overflow: hidden;
}

.why-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: var(--transition);
}

.why-item:hover::before {
    width: 300px;
    height: 300px;
}

.why-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 48px rgba(212, 175, 55, 0.25);
    border-color: var(--gold-accent);
}

.why-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    color: var(--text-light);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.why-item h3::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--gold-accent), var(--gold-light));
    margin: 1rem auto 0;
}

.why-item p {
    line-height: 1.9;
    color: var(--text-dark);
    position: relative;
    z-index: 1;
}

/* Values Section */
/* Merged Values & Contact Section */
.contact {
    padding: 7rem 0;
    background: 
        linear-gradient(135deg, rgba(26, 35, 50, 0.72) 0%, rgba(10, 14, 39, 0.72) 100%),
        url('../images/bg-section.jpg') center/cover no-repeat fixed;
    color: var(--text-light);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact.bg-section8 {
    background: 
        linear-gradient(135deg, rgba(26, 35, 50, 0.72) 0%, rgba(10, 14, 39, 0.72) 100%),
        url('../images/bg-section8.jpg') center/cover no-repeat fixed;
}

.contact::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact .section-title {
    color: var(--gold-accent);
    background: linear-gradient(135deg, var(--gold-accent), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.values-quote {
    font-size: 1.8rem;
    font-style: italic;
    line-height: 2;
    max-width: 950px;
    margin: 0 auto;
    padding: 3rem;
    border-left: 5px solid var(--gold-accent);
    border-right: 5px solid var(--gold-accent);
    background: linear-gradient(135deg, rgba(26, 33, 48, 0.3) 0%, rgba(21, 27, 38, 0.3) 100%);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.contact-divider {
    height: 2px;
    width: 150px;
    margin: 5rem auto;
    background: linear-gradient(90deg, transparent, var(--gold-accent), transparent);
    position: relative;
}

.contact-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--gold-accent);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.6);
}

.contact-subtitle {
    margin-top: 0;
    margin-bottom: 2rem;
}

.contact-header {
    text-align: center;
    margin-bottom: 3rem;
    margin-top: 1rem;
}

.contact-header h3 {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gold-accent), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-tagline {
    font-size: 1.3rem;
    color: var(--text-dark);
    font-style: italic;
    font-weight: 500;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-item {
    background: linear-gradient(135deg, rgba(26, 33, 48, 0.3) 0%, rgba(21, 27, 38, 0.3) 100%);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(212, 175, 55, 0.15);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(212, 175, 55, 0.2);
    border-color: var(--gold-accent);
}

.contact-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gold-accent), var(--gold-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
    position: relative;
    overflow: hidden;
}

.contact-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.contact-item:hover .contact-icon::before {
    width: 100px;
    height: 100px;
}

.contact-item:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 24px rgba(212, 175, 55, 0.5);
}

.contact-icon svg {
    width: 30px;
    height: 30px;
    stroke: var(--primary-color);
    stroke-width: 2.5;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.contact-item:hover .contact-icon svg {
    stroke-width: 3;
}

.contact-content {
    flex: 1;
}

.contact-item h4 {
    font-size: 1.15rem;
    margin-bottom: 1rem;
    color: var(--text-light);
    font-weight: 700;
}

.contact-item h4::before {
    display: none;
}

.contact-item[data-type="address"] h4::before,
.contact-item[data-type="email"] h4::before,
.contact-item[data-type="phone"] h4::before {
    display: none;
}

.contact-item p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-dark);
    font-weight: 500;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    text-align: center;
    padding: 2.5rem 0;
    border-top: 2px solid var(--gold-accent);
}

.footer p {
    font-size: 0.95rem;
    opacity: 0.85;
    letter-spacing: 0.5px;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--gold-accent), var(--gold-light));
    color: var(--primary-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.6);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .nav-menu {
        gap: 1rem;
    }
    
    .nav-menu a {
        font-size: 0.75rem;
        letter-spacing: 0.3px;
    }
    
    .nav-brand {
        font-size: 1.2rem;
        letter-spacing: 1.5px;
    }
    
    .lang-toggle {
        font-size: 0.75rem;
        padding: 0.45rem 1rem;
    }
}

@media (max-width: 1024px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        padding: 0;
        gap: 1.5rem;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.4s ease, opacity 0.4s ease, padding 0.4s ease;
        border-bottom: 2px solid rgba(212, 175, 55, 0.2);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        z-index: 999;
    }
    
    .nav-menu.active {
        max-height: 600px;
        opacity: 1;
        padding: 2rem;
        visibility: visible;
    }
    
    .nav-menu:not(.active) {
        visibility: hidden;
    }
    
    .nav-menu a {
        padding: 0.9rem 1.2rem;
        border-radius: 8px;
        text-align: center;
        font-size: 1.05rem;
        background: rgba(255, 255, 255, 0.05);
        transition: var(--transition);
    }
    
    .nav-menu a:hover {
        background: rgba(212, 175, 55, 0.2);
        transform: translateX(5px);
    }
    
    .nav-menu a::after {
        display: none;
    }
    
    .lang-toggle {
        width: 100%;
        padding: 0.9rem 1.2rem;
        margin-top: 0.5rem;
    }
    
    .operations-grid,
    .risk-grid,
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .network-regions {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-brand {
        font-size: 1.5rem;
    }

    .hero {
        padding: 6rem 0 4rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }

    .operations-grid,
    .risk-grid,
    .network-regions,
    .why-grid,
    .contact-info {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        text-align: center;
    }
    
    .operation-card,
    .risk-item,
    .region,
    .why-item,
    .contact-item,
    .category {
        padding: 2rem;
    }
    
    .contact-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .contact-icon {
        width: 55px;
        height: 55px;
    }
    
    .contact-icon svg {
        width: 28px;
        height: 28px;
    }
    
    .back-to-top {
        bottom: 1.2rem;
        right: 1.2rem;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0 3rem;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 0.98rem;
    }

    .section-title {
        font-size: 1.9rem;
    }

    .nav-brand {
        font-size: 1.3rem;
        letter-spacing: 1px;
    }

    .operation-card,
    .risk-item,
    .region,
    .why-item,
    .contact-item {
        padding: 1.5rem;
    }
    
    .contact-item {
        gap: 1rem;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
    }
    
    .contact-icon svg {
        width: 25px;
        height: 25px;
    }
    
    .contact-item h4 {
        font-size: 1rem;
    }
    
    .contact-item p {
        font-size: 0.95rem;
    }
    
    .category {
        padding: 2rem;
    }
    
    .btn {
        padding: 0.9rem 2rem;
        font-size: 0.9rem;
    }
    
    .values-quote {
        font-size: 1.3rem;
        padding: 2rem;
    }
    
    .contact-divider {
        margin: 3.5rem auto;
    }
    
    .contact-subtitle {
        font-size: 1.9rem;
    }
    
    .mobile-menu-toggle span {
        width: 25px;
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 40px;
        height: 40px;
    }
    
    .back-to-top svg {
        width: 20px;
        height: 20px;
    }
}