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

:root {
    --primary-blue: #0066CC;
    --dark-blue: #1A47B5;
    --light-blue: #E8F1FF;
    --white: #FFFFFF;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --border-light: #E5E7EB;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============= HEADER & NAVIGATION ============= */
header {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 20px;
    transition: all 0.3s ease;
}

.logo-section:hover {
    color: var(--primary-blue);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 22px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

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

.nav-links a.active {
    color: var(--primary-blue);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 24px;
    color: var(--text-dark);
}

/* ============= HERO SECTION ============= */
.hero {
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
    padding: 80px 20px;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

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

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

.hero-badge {
    display: inline-block;
    background: rgba(0, 102, 204, 0.1);
    color: var(--primary-blue);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 102, 204, 0.2);
}

.hero h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 56px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-highlight {
    color: var(--primary-blue);
    background: linear-gradient(120deg, var(--primary-blue), var(--dark-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.btn {
    padding: 14px 32px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
    background: var(--light-blue);
    transform: translateY(-2px);
}

/* ============= TOOLS SECTION ============= */
.tools-section {
    max-width: 1200px;
    margin: 100px auto;
    padding: 0 20px;
}

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

.section-header h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 16px;
    color: var(--text-light);
    max-width: 500px;
    margin: 0 auto;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.tool-card {
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 35px 25px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 0.6s ease-out;
}

.tool-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.tool-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 20px;
    color: white;
}

.tool-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.tool-card p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.tool-card .btn {
    width: 100%;
    justify-content: center;
}

/* ============= CALCULATOR MODAL ============= */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 200;
    justify-content: center;
    align-items: center;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 16px;
    padding: 40px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-light);
}

.modal-header h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--text-dark);
}

.close-btn {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: var(--text-dark);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.calculator-result {
    background: var(--light-blue);
    border-left: 4px solid var(--primary-blue);
    padding: 20px;
    border-radius: 8px;
    margin: 30px 0;
    display: none;
}

.calculator-result.show {
    display: block;
    animation: slideInLeft 0.3s ease;
}

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

.result-label {
    font-size: 13px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    font-weight: 600;
}

.result-value {
    font-family: 'Poppins', sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
}

.result-details {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(0, 102, 204, 0.2);
    font-size: 13px;
    color: var(--text-light);
}

/* ============= NEWS SECTION ============= */
.news-section {
    background: var(--light-blue);
    padding: 80px 20px;
    margin: 100px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.news-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    cursor: pointer;
    animation: fadeInUp 0.6s ease-out;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    color: white;
}

.news-content {
    padding: 25px;
}

.news-date {
    font-size: 12px;
    color: var(--primary-blue);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.news-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-dark);
    line-height: 1.4;
}

.news-card p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.5;
}

.read-more {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.read-more:hover {
    gap: 10px;
}

/* ============= INFO SECTIONS ============= */
.info-section {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 20px;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 100px;
}

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

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

.info-content h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.info-content p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.8;
}

.info-list {
    list-style: none;
    margin: 25px 0;
}

.info-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 15px;
    color: var(--text-dark);
}

.info-list li:before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--light-blue);
    color: var(--primary-blue);
    border-radius: 50%;
    flex-shrink: 0;
    font-weight: 700;
    font-size: 14px;
}

.info-visual {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    border-radius: 12px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 100px;
    opacity: 0.8;
}

/* ============= FOOTER ============= */
footer {
    background: linear-gradient(135deg, #0D2B66 0%, var(--primary-blue) 100%);
    color: white;
    padding: 60px 20px 30px;
    margin-top: 100px;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

/* ============= COMMUNITY POPUP ============= */
.community-popup {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: white;
    border-radius: 16px;
    padding: 30px;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    z-index: 300;
    display: none;
    animation: slideInRight 0.4s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.community-popup.show {
    display: block;
}

.popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.popup-header h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
}

.popup-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
}

.popup-text {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.6;
}

.popup-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.popup-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.popup-btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: white;
}

.popup-btn-secondary {
    background: var(--light-blue);
    color: var(--primary-blue);
}

.popup-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============= PAGE CONTENT ============= */
.page-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: white;
    padding: 60px 20px;
    text-align: center;
    margin-bottom: 40px;
}

.page-header h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 16px;
    opacity: 0.9;
}

.page-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: calc(100vh - 400px);
}

.contact-form {
    background: var(--light-blue);
    padding: 40px;
    border-radius: 12px;
    max-width: 600px;
    margin: 40px auto;
}

.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    min-height: 120px;
    resize: vertical;
    transition: all 0.3s ease;
}

.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.contact-success {
    display: none;
    background: #ECFDF5;
    border: 1px solid #D1FAE5;
    color: #065F46;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    border-left: 4px solid var(--success);
}

.contact-success.show {
    display: block;
    animation: slideInDown 0.3s ease;
}

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

/* ============= SCROLL ANIMATIONS ============= */
.fade-in-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============= RESPONSIVE ============= */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 16px;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .modal-content {
        padding: 25px;
    }

    .community-popup {
        bottom: 20px;
        right: 20px;
        left: 20px;
        max-width: none;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .section-header h2 {
        font-size: 32px;
    }

    .info-content h2 {
        font-size: 28px;
    }
}

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

.mt-4 {
    margin-top: 40px;
}

.mb-4 {
    margin-bottom: 40px;
}