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

:root {
    --primary-red: #e63946;
    --dark-black: #1a1a1a;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --dark-gray: #333333;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-black);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header ===== */
.header {
    background-color: var(--dark-black);
    color: var(--white);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-red);
    letter-spacing: 1px;
}

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

.nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-red);
    transition: var(--transition);
}

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

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, var(--dark-black) 0%, #2a2a2a 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 500px;
    height: 500px;
    background: rgba(230, 57, 70, 0.1);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-red);
    animation: slideInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: #e0e0e0;
    max-width: 600px;
    margin-right: auto;
    margin-left: auto;
    animation: slideInUp 0.8s ease 0.2s backwards;
}

.cta-button {
    background-color: var(--primary-red);
    color: var(--white);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
    animation: slideInUp 0.8s ease 0.4s backwards;
}

.cta-button:hover {
    background-color: #d62828;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
}

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

/* ===== Company Info ===== */
.company-info {
    background-color: var(--light-gray);
    padding: 3rem 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.info-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    border-top: 4px solid var(--primary-red);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.info-card h3 {
    color: var(--dark-black);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.info-card p {
    color: var(--primary-red);
    font-size: 1.3rem;
    font-weight: 700;
}

/* ===== About Section ===== */
.about {
    background-color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--dark-black);
    position: relative;
    display: inline-block;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-red);
    border-radius: 2px;
}

.about-text {
    font-size: 1.1rem;
    color: var(--dark-gray);
    max-width: 700px;
    margin: 3rem auto 0;
    line-height: 1.8;
}

/* ===== Services Section ===== */
.services {
    background: linear-gradient(135deg, #f5f5f5 0%, var(--white) 100%);
    padding: 4rem 0;
}

.services h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-black);
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
}

.services h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-red);
    border-radius: 2px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border-right: 5px solid var(--primary-red);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.15);
}

.service-card h3 {
    color: var(--dark-black);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    color: var(--dark-gray);
    padding: 0.5rem 0;
    padding-right: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.service-card li::before {
    content: '●';
    position: absolute;
    right: 0;
    color: var(--primary-red);
    font-weight: bold;
}

/* ===== Methodology Section ===== */
.methodology {
    background-color: var(--dark-black);
    color: var(--white);
    padding: 4rem 0;
}

.methodology h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--primary-red);
}

.methodology h3 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 1.2rem;
    color: #e0e0e0;
}

.methodology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.methodology-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    border: 2px solid var(--primary-red);
    transition: var(--transition);
    position: relative;
}

.methodology-card:hover {
    background-color: rgba(230, 57, 70, 0.1);
    transform: scale(1.05);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--primary-red);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.methodology-card h4 {
    color: var(--primary-red);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.methodology-card p {
    color: #d0d0d0;
    font-size: 0.95rem;
}

/* ===== Core Values Section ===== */
.values {
    background-color: var(--white);
    padding: 4rem 0;
}

.values h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-black);
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
}

.values h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-red);
    border-radius: 2px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background: linear-gradient(135deg, var(--dark-black) 0%, #2a2a2a 100%);
    color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--primary-red);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.2);
}

.value-card h3 {
    color: var(--primary-red);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.value-card p {
    color: #d0d0d0;
    font-size: 0.95rem;
}

/* ===== Certifications Section ===== */
.certifications {
    background-color: var(--light-gray);
    padding: 4rem 0;
}

.certifications h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark-black);
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
}

.certifications h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-red);
    border-radius: 2px;
}

.cert-intro {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--dark-gray);
    margin-top: 2rem;
}

.certifications-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.cert-item {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.cert-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 15px rgba(230, 57, 70, 0.15);
}

.cert-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-red);
    color: var(--white);
    border-radius: 50%;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.cert-item p {
    color: var(--dark-gray);
    font-size: 0.95rem;
}

/* ===== Contact Section ===== */
.contact {
    background: linear-gradient(135deg, var(--dark-black) 0%, #2a2a2a 100%);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-red);
}

.contact-intro {
    font-size: 1.3rem;
    margin: 1.5rem 0 3rem;
    color: #e0e0e0;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.contact-method {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 10px;
    border: 2px solid var(--primary-red);
    transition: var(--transition);
}

.contact-method:hover {
    background-color: rgba(230, 57, 70, 0.1);
    transform: scale(1.05);
}

.contact-method h3 {
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.contact-method p {
    color: #d0d0d0;
    font-size: 1.1rem;
}

.contact-method a {
    color: var(--primary-red);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.contact-method a:hover {
    color: #fff;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--dark-black);
    color: var(--white);
    padding: 3rem 0 1rem;
    border-top: 4px solid var(--primary-red);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.footer-section p {
    color: #d0d0d0;
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #d0d0d0;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-red);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #a0a0a0;
    font-size: 0.9rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .nav ul {
        flex-direction: column;
        gap: 1rem;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .about h2,
    .services h2,
    .values h2,
    .certifications h2 {
        font-size: 2rem;
    }

    .services-grid,
    .values-grid,
    .certifications-list {
        grid-template-columns: 1fr;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .logo h1 {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero {
        padding: 3rem 0;
    }

    .about h2,
    .services h2,
    .values h2,
    .certifications h2,
    .contact h2 {
        font-size: 1.5rem;
    }

    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }

    .nav ul {
        flex-direction: row;
        gap: 0.5rem;
        font-size: 0.9rem;
    }
}