/* ===== CSS Variables ===== */
:root {
    --primary-blue: #0052CC;
    --primary-blue-dark: #003d99;
    --primary-blue-light: #4C9AFF;
    --primary-green: #00875A;
    --primary-green-dark: #006644;
    --primary-green-light: #36B37E;
    --white: #FFFFFF;
    --off-white: #F4F5F7;
    --light-gray: #DFE1E6;
    --gray: #6B778C;
    --dark-gray: #344563;
    --black: #091E42;
    --black-deep: #000000;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --shadow-sm: 0 1px 2px rgba(9, 30, 66, 0.1);
    --shadow-md: 0 4px 8px rgba(9, 30, 66, 0.1);
    --shadow-lg: 0 8px 16px rgba(9, 30, 66, 0.15);
    --shadow-xl: 0 16px 32px rgba(9, 30, 66, 0.2);
    
    --transition: all 0.3s ease;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--white);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* ===== Utility Classes ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.highlight {
    color: var(--primary-blue);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--black);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-outline:hover {
    background-color: var(--primary-blue);
    color: var(--white);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    transition: var(--transition);
}

.header.scrolled {
    background-color: var(--black);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-tst {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 2px;
}

.logo-full {
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--primary-green-light);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--white);
    border-radius: var(--radius-sm);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    padding: 8px 0;
}

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

.dropdown-menu li a {
    display: block;
    padding: 12px 20px;
    color: var(--black);
    font-size: 0.9rem;
}

.dropdown-menu li a:hover {
    background-color: var(--off-white);
    color: var(--primary-blue);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--white);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--black);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, rgba(0, 82, 204, 0.2) 0%, transparent 50%),
        linear-gradient(225deg, rgba(0, 135, 90, 0.2) 0%, transparent 50%),
        var(--black);
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 82, 204, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: 20%;
    left: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 135, 90, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite 2s;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--light-gray);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--gray);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--primary-blue), transparent);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.6); }
}

/* ===== Sections ===== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-green);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--black);
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    font-size: 1.05rem;
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--light-gray);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
}

.about-visual {
    position: relative;
    height: 400px;
}

.visual-box {
    position: absolute;
    border-radius: var(--radius-lg);
}

.box-1 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    top: 0;
    right: 0;
    animation: float 6s ease-in-out infinite;
}

.box-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-light));
    bottom: 0;
    left: 0;
    animation: float 6s ease-in-out infinite 1s;
}

.box-3 {
    width: 150px;
    height: 150px;
    background-color: var(--black);
    bottom: 40px;
    right: 60px;
    animation: float 6s ease-in-out infinite 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ===== Services Section ===== */
.section-services {
    background-color: var(--off-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background-color: var(--white);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--white);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.7;
}

/* ===== CTA Section ===== */
.section-cta {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    padding: 80px 0;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
}

.section-cta .btn-primary {
    background-color: var(--white);
    color: var(--primary-blue);
}

.section-cta .btn-primary:hover {
    background-color: var(--off-white);
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    width: 56px;
    height: 56px;
    background-color: var(--off-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-blue);
}

.contact-details h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 4px;
}

.contact-details p {
    font-size: 0.95rem;
    color: var(--gray);
}

.contact-details a {
    color: var(--primary-blue);
}

.contact-details a:hover {
    text-decoration: underline;
}

.contact-form {
    background-color: var(--off-white);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--black);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    background-color: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
}

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

.checkbox-group {
    margin-bottom: 20px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--dark-gray);
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 3px;
    accent-color: var(--primary-blue);
}

.checkbox-label a {
    color: var(--primary-blue);
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--black);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.7;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--gray);
}

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

.footer-contact p {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 12px;
}

.footer-contact a {
    color: var(--primary-blue-light);
}

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

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--gray);
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background-color: rgba(0, 0, 0, 0.6);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: var(--white);
    padding: 48px;
    border-radius: var(--radius-lg);
    max-width: 450px;
    width: 100%;
    text-align: center;
    position: relative;
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--black);
}

.modal-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.modal-icon.success {
    background-color: rgba(0, 135, 90, 0.1);
}

.modal-icon.success svg {
    width: 40px;
    height: 40px;
    color: var(--primary-green);
}

.modal-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 12px;
}

.modal-content p {
    font-size: 1rem;
    color: var(--gray);
    margin-bottom: 24px;
}

/* ===== Legal Pages ===== */
.legal-page {
    padding-top: 120px;
    padding-bottom: 80px;
    min-height: 100vh;
}

.legal-header {
    background-color: var(--black);
    padding: 80px 0;
    margin-bottom: 60px;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    z-index: 10;
}

.legal-page .header {
    background-color: var(--black);
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
    padding-top: 40px;
}

.legal-content .last-updated {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 40px;
}

.legal-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    margin-top: 40px;
    margin-bottom: 16px;
}

.legal-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--black);
    margin-top: 24px;
    margin-bottom: 12px;
}

.legal-content p {
    font-size: 1rem;
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

.legal-content ul,
.legal-content ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.legal-content li {
    font-size: 1rem;
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: 8px;
    list-style-type: disc;
}

.legal-content ol li {
    list-style-type: decimal;
}

.legal-content a {
    color: var(--primary-blue);
}

.legal-content a:hover {
    text-decoration: underline;
}

.legal-content .highlight-box {
    background-color: var(--off-white);
    border-left: 4px solid var(--primary-blue);
    padding: 20px 24px;
    margin: 24px 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.legal-content .highlight-box p {
    margin-bottom: 0;
}

.contact-box {
    background-color: var(--off-white);
    padding: 32px;
    border-radius: var(--radius-lg);
    margin-top: 40px;
}

.contact-box h3 {
    margin-top: 0;
}

.contact-box p {
    margin-bottom: 8px;
}

/* ===== Opt-In/Out Section ===== */
.opt-section {
    background-color: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin: 32px 0;
}

.opt-section h3 {
    margin-top: 0;
    color: var(--primary-blue);
}

.opt-form {
    margin-top: 24px;
}

.opt-form .form-group {
    margin-bottom: 20px;
}

.opt-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

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

.btn-green:hover {
    background-color: var(--primary-green-dark);
    transform: translateY(-2px);
}

.btn-red {
    background-color: #dc2626;
    color: var(--white);
}

.btn-red:hover {
    background-color: #b91c1c;
    transform: translateY(-2px);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-visual {
        height: 300px;
        order: -1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--black);
        padding: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-link {
        display: block;
        padding: 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-dropdown {
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background-color: rgba(255, 255, 255, 0.05);
        box-shadow: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-dropdown.active .dropdown-menu {
        max-height: 300px;
    }
    
    .dropdown-menu li a {
        color: var(--white);
        padding-left: 32px;
    }
    
    .dropdown-menu li a:hover {
        background-color: rgba(255, 255, 255, 0.1);
        color: var(--primary-blue-light);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-stats {
        flex-wrap: wrap;
        gap: 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .contact-form {
        padding: 24px;
    }
    
    .opt-buttons {
        flex-direction: column;
    }
    
    .opt-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .legal-content {
        padding: 0 16px;
    }
}