/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 {
    font-weight: 600;
    line-height: 1.2;
    color: #1a1a1a;
}

h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: #FF7F27;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #cc5200;
}

/* ===== HEADER & NAVIGATION ===== */
header {
    background-color: rgba(26, 26, 26, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    padding: 0.5rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
    color: #fff;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: #f5f5f7;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #FF7F27;
}

/* ===== INTRO SECTION ===== */
.intro-section {
    padding: 6rem 0 5rem;
    background-color: #fff;
    text-align: center;
}

.intro-section h1 {
    font-size: 3rem;
    color: #1a1a1a;
    margin-bottom: 1rem;
    font-weight: 700;
}

.intro-lead {
    font-size: 1.4rem;
    color: #666;
    margin-bottom: 3rem;
    font-weight: 400;
}

.intro-features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 3rem 0 3.5rem;
    flex-wrap: wrap;
}

.feature-item {
    text-align: center;
    min-width: 150px;
}

.feature-icon {
    display: block;
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.feature-item p {
    font-size: 1rem;
    color: #555;
    margin: 0;
    font-weight: 500;
}

.scroll-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: #fff;
    color: #FF7F27;
    border: 2px solid #FF7F27;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.scroll-btn:hover {
    background-color: #FF7F27;
    color: #fff;
    transform: translateY(3px);
    box-shadow: 0 4px 12px rgba(255, 127, 39, 0.3);
}

.arrow-down {
    font-size: 1.5rem;
    line-height: 1;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: 6rem 0;
    background-color: #f8f9fa;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.services h2:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #FF7F27;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.service-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: box-shadow 0.3s ease, border-top-color 0.3s ease;
    border-top: 3px solid transparent;
}

.service-card:hover {
    box-shadow: 0 6px 25px rgba(0,0,0,0.12);
    border-top-color: #FF7F27;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.service-card p {
    color: #666;
    line-height: 1.7;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: 6rem 0;
    background-color: #fff;
}

.about-intro {
    margin-bottom: 4rem;
}

.about-intro p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.values-list {
    list-style: none;
    margin-top: 1.5rem;
}

.values-list li {
    font-size: 1.1rem;
    padding: 0.5rem 0 0.5rem 2rem;
    position: relative;
}

.values-list li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #FF7F27;
    font-weight: bold;
}

/* ===== TIMELINE ===== */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-year {
    font-size: 2rem;
    font-weight: 700;
    color: #FF7F27;
    text-align: left;
    padding-top: 0.5rem;
}

.timeline-content {
    padding-left: 2rem;
    border-left: 2px solid #e9ecef;
    position: relative;
}

.timeline-content:before {
    content: "";
    position: absolute;
    left: -7px;
    top: 12px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #FF7F27;
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px #e9ecef;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: #1a1a1a;
}

.timeline-content p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: 6rem 0;
    background-color: #f8f9fa;
}

.contact h2 {
    text-align: center;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
    justify-items: center;
}

.contact-block {
    text-align: center;
    width: 100%;
    max-width: 300px;
}

.contact-block h3 {
    color: #FF7F27;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.contact-block p {
    color: #555;
    line-height: 1.8;
}

.contact-image-1 {
    max-width: 200px;
    height: auto;
    margin-top: 0.5rem;
}

.contact-image-2 {
    max-width: 220px;
    height: auto;
    margin-top: 0.5rem;
}

/* ===== FOOTER ===== */
footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-content p {
    margin: 0;
    color: #aaa;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #aaa;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: #FF7F27;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    nav .container {
        flex-direction: column;
        gap: 0.5rem;
    }

    .nav-menu {
        flex-direction: row;
        gap: 1.5rem;
        overflow-x: auto;
        padding: 0.5rem 0;
        justify-content: flex-start;
    }

    .intro-section {
        padding: 4rem 0 3rem;
    }

    .intro-section h1 {
        font-size: 2rem;
    }

    .intro-lead {
        font-size: 1.2rem;
    }

    .intro-features {
        gap: 2rem;
    }

    .feature-icon {
        font-size: 2rem;
    }

    .services {
        padding: 3rem 0;
    }

    .service-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .about {
        padding: 3rem 0;
    }

    .timeline-item {
        grid-template-columns: 80px 1fr;
        gap: 1.5rem;
    }

    .timeline-year {
        font-size: 1.5rem;
    }

    .timeline-content {
        padding-left: 1.5rem;
    }

    .timeline-content h3 {
        font-size: 1.1rem;
    }

    .timeline-content p {
        font-size: 0.95rem;
    }

    .contact {
        padding: 3rem 0;
    }

    .contact-info {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .contact-block {
        max-width: 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}