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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 4rem 0;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scroll-header {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav {
    height: 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: #2563eb;
    text-decoration: none;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    font-size: 1.2rem;
}

.nav__list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav__link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav__link:hover,
.nav__link.active-link {
    color: #2563eb;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.3s ease;
}

.nav__link:hover::after,
.nav__link.active-link::after {
    width: 100%;
}

.nav__cta {
    background: #2563eb;
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.nav__cta:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.nav__cta::after {
    display: none;
}

.nav__toggle,
.nav__close {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #333;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%),
                url('https://images.unsplash.com/photo-1488646953014-85cb44e25828?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&h=1080') center/cover;
    background-blend-mode: overlay;
    display: flex;
    align-items: center;
    position: relative;
    color: white;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero__container {
    position: relative;
    z-index: 2;
}

.hero__content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    animation: fadeInUp 1s ease;
}

.hero__subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #f59e0b;
    color: white;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.button:hover {
    background: #d97706;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.4);
}

.hero__button {
    animation: fadeInUp 1s ease 0.4s both;
}

.button__icon {
    font-size: 1.2rem;
}

/* About Section */
.about {
    background: #f8fafc;
}

.section__header {
    text-align: center;
    margin-bottom: 3rem;
}

.section__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
}

.section__subtitle {
    font-size: 1.2rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 4rem;
    align-items: center;
}

.about__name {
    font-size: 2rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.about__title {
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 1.5rem;
}

.about__description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #475569;
    margin-bottom: 2rem;
}

.about__certifications {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.certification {
    background: #2563eb;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.about__image {
    position: relative;
}

.about__img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Benefits Section */
.benefits__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.benefit__card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.benefit__card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.benefit__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit__title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.benefit__description {
    color: #64748b;
    line-height: 1.6;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    text-align: center;
}

.cta__title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta__subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta__button {
    background: #f59e0b;
    font-size: 1.2rem;
    padding: 1.2rem 2.5rem;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer__description {
    color: #94a3b8;
    line-height: 1.6;
}

.footer__title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #f1f5f9;
}

.footer__contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: #94a3b8;
}

.footer__contact-item a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer__contact-item a:hover {
    color: white;
}

.contact__icon {
    font-size: 1.1rem;
}

.footer__social {
    display: flex;
    gap: 1rem;
}

.social__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #334155;
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social__link:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

.footer__bottom {
    border-top: 1px solid #334155;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer__legal {
    display: flex;
    gap: 2rem;
}

.footer__link {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer__link:hover {
    color: white;
}

.footer__copy {
    color: #64748b;
}

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

/* Responsive Design */
@media screen and (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: white;
        padding: 4rem 2rem 2rem;
        transition: right 0.3s ease;
        box-shadow: -2px 0 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav__menu.show-menu {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: 2rem;
        align-items: flex-start;
    }
    
    .nav__toggle,
    .nav__close {
        display: block;
    }
    
    .nav__close {
        position: absolute;
        top: 1rem;
        right: 1rem;
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    .hero__subtitle {
        font-size: 1.1rem;
    }
    
    .section__title {
        font-size: 2rem;
    }
    
    .about__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about__image {
        order: -1;
    }
    
    .about__img {
        height: 300px;
    }
    
    .benefits__grid {
        grid-template-columns: 1fr;
    }
    
    .cta__title {
        font-size: 2rem;
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer__legal {
        order: 1;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .hero__subtitle {
        font-size: 1rem;
    }
    
    .button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .benefit__card {
        padding: 1.5rem;
    }
}