/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-animation__circle {
    position: absolute;
    border-radius: var(--radius-full);
    opacity: 0.05;
    animation: float 25s infinite linear;
    background: var(--gradient-primary);
}

.bg-animation__circle--1 {
    width: 120px;
    height: 120px;
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.bg-animation__circle--2 {
    width: 150px;
    height: 150px;
    top: 70%;
    left: 85%;
    animation-delay: -7s;
}

.bg-animation__circle--3 {
    width: 80px;
    height: 80px;
    top: 40%;
    left: 75%;
    animation-delay: -12s;
}

.bg-animation__circle--4 {
    width: 200px;
    height: 200px;
    top: 85%;
    left: 15%;
    animation-delay: -18s;
}

/* Logo */
.logo {
    position: relative;
    transition: var(--transition-normal);
    font-size: var(--font-size-2xl);
    font-weight: bold;
    display: flex;
    align-items: center;
    z-index: calc(var(--z-index-fixed) + 1 );
}

.logo.active {
    transform: translateX(-70px);
}

.logo__icon {
    margin-left: var(--space-sm);
    font-size: var(--font-size-xl);
}

.logo__text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Hamburger Menu */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: var(--z-index-fixed);
}

.hamburger-menu__line {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.hamburger-menu.active .hamburger-menu__line:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

.hamburger-menu.active .hamburger-menu__line:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active .hamburger-menu__line:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

/* Navigation */
.navigation {
    display: flex;
    align-items: center;
}

.navigation__list {
    display: flex;
    list-style: none;
    transition: all var(--transition-normal);
}

.navigation__item {
    margin: 0 var(--space-sm);
}

.navigation__link {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    display: block;
    position: relative;
    transition: all var(--transition-normal);
}

.navigation__link:hover {
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.08);
}

.navigation__link--active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
}

.navigation__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: var(--space-lg);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.navigation__link:hover::after,
.navigation__link--active::after {
    width: calc(100% - 2 * var(--space-lg));
}

.navigation__close-btn {
    display: none;
    position: absolute;
    top: var(--space-xl);
    left: var(--space-xl);
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
    cursor: pointer;
    z-index: calc(var(--z-index-fixed) + 2);
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.navigation__close-btn:hover {
    background: rgba(99, 102, 241, 0.2);
    transform: rotate(90deg);
}

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-index-fixed) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Profile Image */
.profile-image {
    position: relative;
    display: inline-block;
}

.profile-image__img {
    width: 260px;
    height: 260px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 5px solid var(--color-white);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-slow);
    position: relative;
    z-index: 2;
}

.profile-image::before {
    content: '';
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    opacity: 0.2;
    animation: pulse 3s infinite ease-in-out;
}

.profile-image__img:hover {
    transform: scale(1.05);
}

/* Social Links */
.social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    justify-content: center;
}

.social-links__link {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-decoration: none;
    font-size: var(--font-size-lg);
}

.social-links__link:hover {
    transform: translateY(-5px);
    background: var(--gradient-primary);
    color: var(--color-white);
}

/* Intro Section */
.intro__title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-lg);
    line-height: var(--line-height-tight);
}

.intro__title--highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
}

.intro__title--highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    right: 0;
    width: 100%;
    height: 8px;
    background: var(--gradient-light);
    opacity: 0.3;
    z-index: -1;
    border-radius: var(--radius-sm);
}

.intro__tagline {
    background: var(--gradient-primary);
    color: var(--color-white);
    display: inline-block;
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-xl);
    font-weight: 500;
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-md);
    font-size: var(--font-size-lg);
}

.intro__description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
    text-align: justify;
    color: var(--color-text-light);
}

.intro__highlight {
    position: relative;
}

.intro__highlight--underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: 0;
    width: 100%;
    height: 14px;
    background: var(--gradient-light);
    opacity: 0.3;
    z-index: -1;
    border-radius: var(--radius-sm);
}

/* Service Cards */
.services__grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl) var(--space-xl);
    width: 320px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-lg);
}

.service-card__icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    font-size: var(--font-size-2xl);
    color: var(--color-white);
    transition: all var(--transition-normal);
}

.service-card:hover .service-card__icon {
    transform: scale(1.1) rotate(5deg);
    border-radius: 25%;
}

.service-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.service-card__description {
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
}

/* Testimonials */
.testimonials {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin: var(--space-3xl) 0;
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 8px;
    background: var(--gradient-primary);
}

.testimonials__title {
    text-align: center;
    display: inline-block;
    right: 50%;
    transform: translateX(50%);
}

.testimonials__grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-xl);
}

.testimonial-card {
    background: var(--color-light-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    width: 320px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.testimonial-card::before {
    content: "\"";
    position: absolute;
    top: 15px;
    left: 20px;
    font-size: 4rem;
    color: var(--color-primary-light);
    opacity: 0.2;
    font-family: serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.testimonial-card__header {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.testimonial-card__image {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-full);
    object-fit: cover;
    margin-left: var(--space-lg);
    border: 3px solid var(--color-primary-light);
    box-shadow: var(--shadow-sm);
}

.testimonial-card__info {
    flex: 1;
}

.testimonial-card__name {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xs);
}

.testimonial-card__role {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 500;
}

.testimonial-card__text {
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
    position: relative;
    z-index: 1;
}

/* Articles */
.articles__iframe {
    border-radius: var(--radius-xl);
    border: none;
}

/* Contact */
.contact {
    padding: var(--space-4xl) 0;
    text-align: center;
}

.contact__description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
}

/* Footer */
.footer {
    padding: var(--space-2xl) 0;
    text-align: center;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    background: var(--color-white);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    margin-top: var(--space-3xl);
}

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

.footer__copyright {
    color: var(--color-text-light);
}

.footer__links {
    display: flex;
    gap: var(--space-lg);
}

.footer__link {
    color: var(--color-text-light);
    transition: color var(--transition-normal);
}

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

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg) scale(1);
    }
    33% {
        transform: translateY(-30px) rotate(120deg) scale(1.05);
    }
    66% {
        transform: translateY(20px) rotate(240deg) scale(0.95);
    }
    100% {
        transform: translateY(0) rotate(360deg) scale(1);
    }
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.2;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
        opacity: 0.3;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.2;
    }
}