:root {
    --primary: #1877F2;
    --primary-hover: #155dbf;
    --primary-light: #e7f1fe;
    --secondary: #0A192F;
    --secondary-light: #182846;
    --bg-main: #FFFFFF;
    --bg-light: #F8FAFC;
    --text-main: #334155;
    --text-dark: #0f172a;
    --text-light: #64748B;
    --border: #E2E8F0;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* Typography */
h1,
h2,
h3,
h4 {
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

h2 {
    font-size: clamp(2rem, 3.5vw, 2.5rem);
    letter-spacing: -0.01em;
    margin-bottom: 20px;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

p {
    margin-bottom: 16px;
}

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

.bg-light {
    background-color: var(--bg-light);
}

.section-padding {
    padding: 100px 0;
}

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

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--bg-main);
    box-shadow: 0 4px 14px rgba(24, 119, 242, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(24, 119, 242, 0.4);
}

.btn-white {
    background-color: var(--bg-main);
    color: var(--text-dark);
    box-shadow: var(--shadow-sm);
}

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

.btn-block {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-dark);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background-color: var(--primary);
    border-radius: 8px;
    display: grid;
    place-items: center;
    color: var(--bg-main);
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-main);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    position: relative;
    padding-top: 160px;
    padding-bottom: 120px;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 25, 47, 0.8) 0%, rgba(10, 25, 47, 0.4) 100%);
}

.hero-content {
    background: var(--bg-main);
    padding: 60px;
    border-radius: var(--border-radius-lg);
    max-width: 650px;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.8s ease forwards;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-main);
    margin-bottom: 32px;
}

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

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
}

.about-img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    height: auto;
    object-fit: contain;
}

.about-badge {
    position: absolute;
    bottom: -20px;
    left: 20px;
    background: var(--bg-main);
    padding: 16px 24px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 16px;
}

.badge-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
}

.badge-text strong {
    display: block;
    color: var(--primary);
    font-size: 1.1rem;
}

.badge-text span {
    font-size: 0.9rem;
    color: var(--text-light);
}

.stats-row {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.stat-item .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-item .stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background-color: var(--border);
}

/* Services */
.section-heading {
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-heading p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-main);
    padding: 32px 24px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--border);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.service-card.popular {
    border: 2px solid var(--primary);
}

.popular-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--bg-main);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: var(--bg-main);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 0;
}

/* Calculator */
.calc-wrapper {
    background: var(--primary);
    border-radius: var(--border-radius-lg);
    padding: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--bg-main);
    box-shadow: var(--shadow-lg);
}

.calc-header {
    text-align: center;
    margin-bottom: 40px;
}

.calc-header h2 {
    color: var(--bg-main);
    margin-bottom: 8px;
}

.calc-header p {
    opacity: 0.9;
}

.calc-body {
    background: var(--bg-main);
    padding: 40px;
    border-radius: var(--border-radius-md);
    width: 100%;
    max-width: 800px;
    color: var(--text-main);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg-main);
}

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

.calc-result-box {
    background: var(--bg-light);
    padding: 24px;
    border-radius: var(--border-radius-sm);
    text-align: center;
    margin-bottom: 24px;
    border: 1px dashed var(--primary);
}

.result-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 8px;
}

.result-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}

.result-note {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 0;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.overline {
    display: inline-block;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.features-lead {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
}

.features-list li {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-text h4 {
    margin-bottom: 8px;
}

.feature-text p {
    color: var(--text-light);
    margin-bottom: 0;
}

.features-images {
    position: relative;
    height: 600px;
}

.img-large {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 80%;
    height: 85%;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.img-small {
    position: absolute;
    left: 0;
    top: 0;
    width: 50%;
    height: auto;
    object-fit: cover;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    z-index: 2;
    border: 8px solid var(--bg-main);
}

/* FAQ Section */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-category {
    font-size: 1.5rem;
    color: var(--primary);
    margin: 40px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
}

.accordion-item {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.accordion-item:hover {
    border-color: var(--primary-light);
}

.accordion-header {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 24px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-main);
    transition: var(--transition);
}

.accordion-header:hover {
    color: var(--primary);
}

.accordion-icon {
    color: var(--primary);
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.accordion-inner {
    padding: 0 24px 24px;
    color: var(--text-main);
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 35px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
}

.whatsapp-float:hover {
    color: #FFF;
    background-color: #128C7E;
    transform: scale(1.1);
    box-shadow: 2px 2px 10px rgba(37, 211, 102, 0.5);
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 30px;
    }
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 2fr 3fr;
    background: var(--bg-main);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contact-info {
    background: var(--primary);
    color: var(--bg-main);
    padding: 60px 48px;
}

.contact-info h2 {
    color: var(--bg-main);
}

.contact-info p {
    opacity: 0.9;
    margin-bottom: 48px;
}

.contact-methods li {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
}

.contact-detail span {
    display: block;
    font-size: 0.85rem;
    opacity: 0.8;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.contact-detail strong {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-form-container {
    padding: 60px 48px;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

/* Footer */
.footer {
    background: var(--secondary);
    color: var(--bg-main);
    padding: 80px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    color: var(--bg-main);
    margin-bottom: 24px;
}

.footer-logo .logo-icon {
    background: var(--primary);
}

.brand-col p {
    color: #94a3b8;
    max-width: 400px;
}

.footer h4 {
    color: var(--bg-main);
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.footer ul li {
    margin-bottom: 16px;
    color: #94a3b8;
}

.links-col ul li a {
    transition: var(--transition);
}

.links-col ul li a:hover {
    color: var(--primary);
}

.contact-col-ft ul li {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #64748b;
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a:hover {
    color: var(--bg-main);
}

/* Responsive */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .about-grid,
    .features-grid,
    .contact-wrapper {
        gap: 40px;
    }

    .hero-content {
        padding: 40px;
    }
}

@media (max-width: 768px) {
    .header-inner {
        padding: 0;
    }

    .nav-links,
    .header-actions {
        display: none;
    }

    .about-grid,
    .features-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .calc-wrapper {
        padding: 40px 20px;
    }

    .form-row,
    .form-row-2 {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .features-images {
        height: 400px;
        margin-top: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .hero {
        padding-top: 120px;
        min-height: auto;
    }

    h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .stats-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .stat-divider {
        width: 100%;
        height: 1px;
    }

    .contact-form-container,
    .contact-info {
        padding: 40px 24px;
    }
}