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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* ===========================
   Container & Layout
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===========================
   Header & Navigation
   =========================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0066cc;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: #4b5563;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #0066cc;
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: #0066cc;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #0066cc;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    margin-top: 80px;
    padding: 5rem 0 4rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    position: relative;
    clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
    margin-bottom: -4rem;
    padding-bottom: 8rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    color: #111827;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    color: #4b5563;
    margin-bottom: 2.5rem;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    color: #ffffff;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.3);
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.4);
}

.hero-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.hero-image img {
    width: 100%;
    height: auto;
}

/* ===========================
   Problem & Solution Sections
   =========================== */
.problem-section,
.solution-section {
    padding: 6rem 0;
    position: relative;
}

.problem-section {
    background: #ffffff;
}

.solution-section {
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 100%);
    margin-top: -5rem;
    padding-top: 8rem;
}

.section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.section-content.reverse {
    direction: rtl;
}

.section-content.reverse > * {
    direction: ltr;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.3;
    color: #111827;
    margin-bottom: 1.5rem;
}

.section-description {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #4b5563;
}

.section-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
}

.section-image img {
    width: 100%;
    height: auto;
}

/* ===========================
   Benefits Section
   =========================== */
.benefits-section {
    padding: 6rem 0;
    background: #ffffff;
}

.section-title-center {
    font-size: 2.75rem;
    font-weight: 700;
    text-align: center;
    color: #111827;
    margin-bottom: 4rem;
}

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

.benefit-card {
    background: #f9fafb;
    padding: 2.5rem;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    border-color: #0066cc;
}

.benefit-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.benefit-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 1rem;
}

.benefit-description {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #6b7280;
}

/* ===========================
   How It Works Section
   =========================== */
.how-it-works-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
}

.steps-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    flex: 1;
    background: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 1rem;
}

.step-description {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #6b7280;
}

.step-arrow {
    font-size: 2rem;
    color: #10b981;
    font-weight: 700;
    flex-shrink: 0;
}

/* ===========================
   Use Cases Section
   =========================== */
.use-cases-section {
    padding: 6rem 0;
    background: #ffffff;
}

.use-cases-intro {
    text-align: center;
    font-size: 1.15rem;
    line-height: 1.8;
    color: #4b5563;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.use-case-card {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.15);
}

.use-case-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #0066cc;
    margin-bottom: 0.75rem;
}

.use-case-description {
    font-size: 1rem;
    line-height: 1.6;
    color: #4b5563;
}

/* ===========================
   Trust Section
   =========================== */
.trust-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: #ffffff;
}

.trust-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.trust-section .section-title {
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.trust-section .section-description {
    color: #e0e7ff;
    font-size: 1.2rem;
}

/* ===========================
   Contact Section
   =========================== */
.contact-section {
    padding: 6rem 0;
    background: #f9fafb;
}

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

.contact-intro {
    text-align: center;
    font-size: 1.15rem;
    line-height: 1.8;
    color: #4b5563;
    margin-bottom: 3rem;
}

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

.contact-method {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    flex-shrink: 0;
}

.contact-details {
    flex: 1;
}

.contact-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #6b7280;
    margin-bottom: 0.25rem;
}

.contact-link {
    font-size: 1.15rem;
    font-weight: 600;
    color: #0066cc;
}

.contact-link:hover {
    color: #0052a3;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: #111827;
    color: #9ca3af;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.footer-description {
    font-size: 1rem;
    line-height: 1.6;
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1rem;
}

.footer-address {
    font-style: normal;
    line-height: 1.8;
}

.footer-address a {
    color: #60a5fa;
}

.footer-address a:hover {
    color: #93c5fd;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-title-center {
        font-size: 2.25rem;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .steps-container {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: #ffffff;
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        gap: 1.5rem;
        transition: left 0.3s ease;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        left: 0;
    }

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

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero {
        padding: 3rem 0 2rem;
        margin-top: 70px;
        clip-path: none;
        margin-bottom: 0;
        padding-bottom: 3rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-content,
    .section-content.reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
        direction: ltr;
    }

    .problem-section,
    .solution-section {
        padding: 3rem 0;
    }

    .solution-section {
        clip-path: none;
        margin-top: 0;
        padding-top: 3rem;
    }

    .benefits-section,
    .how-it-works-section,
    .use-cases-section,
    .contact-section {
        padding: 3rem 0;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .contact-methods {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-title-center {
        font-size: 1.75rem;
    }

    .cta-button {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}