/* styles.css */
:root {
    --primary-color: #3a86ff;
    --primary-dark: #2667cc;
    --secondary-color: #4cc9f0;
    --accent-color: #ff5a5f;
    --dark-color: #2b2d42;
    --light-color: #f8f9fa;
    --gray-color: #8d99ae;
    --success-color: #2ecc71;
    --box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    --hover-shadow: 0 14px 30px rgba(0, 0, 0, 0.15);
    --card-radius: 12px;
    --btn-radius: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --card-bg: rgba(255, 255, 255, 1);
    --card-bg-hover: rgba(255, 255, 255, 0.95);
    --frosted-bg: rgba(255, 255, 255, 0.7);
}

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

html {
    scroll-behavior: smooth;
    font-size: 62.5%;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 1.6rem;
    line-height: 1.7;
    color: var(--dark-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

body.menu-open {
    overflow: hidden;
}

.container {
    width: 100%;
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 2rem;
}

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

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

h1 {
    font-size: 3.6rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 2rem;
}

h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

h2:after {
    content: '';
    display: block;
    width: 8rem;
    height: 0.4rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    margin: 1.5rem auto 0;
    border-radius: 2rem;
}

h3 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

p {
    margin-bottom: 1.6rem;
}

p:last-child {
    margin-bottom: 0;
}

section {
    padding: 8rem 0;
}

/* Alternating Sections */
section:nth-child(odd) {
    background-color: var(--light-color);
}

section:nth-child(even) {
    background-color: #f1f5fe;
}

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1.5rem 0;
}

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

.logo {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--dark-color);
    z-index: 20;
}

.main-nav {
    display: flex;
    align-items: center;
}

#main-menu {
    display: flex;
    gap: 2rem;
}

#main-menu li a {
    color: var(--dark-color);
    font-weight: 600;
    position: relative;
    padding: 0.5rem 1rem;
}

#main-menu li a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

#main-menu li a:hover:after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 20;
}

.hamburger-icon {
    display: block;
    position: relative;
    width: 2.4rem;
    height: 0.2rem;
    background-color: var(--dark-color);
    transition: var(--transition);
}

.hamburger-icon:before,
.hamburger-icon:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 0.2rem;
    background-color: var(--dark-color);
    transition: var(--transition);
}

.hamburger-icon:before {
    top: -0.8rem;
}

.hamburger-icon:after {
    bottom: -0.8rem;
}

/* Language Selector */
.lang-selector {
    position: relative;
    margin-left: 2rem;
    z-index: 15;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1.4rem;
    color: var(--dark-color);
    padding: 0.5rem 1rem;
    border-radius: var(--btn-radius);
    transition: var(--transition);
}

.lang-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    width: 18rem;
    background-color: white;
    border-radius: var(--card-radius);
    box-shadow: var(--box-shadow);
    padding: 1rem;
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    max-height: 40vh;
    overflow-y: auto;
}

.lang-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-menu li {
    margin-bottom: 0.5rem;
}

.lang-menu li:last-child {
    margin-bottom: 0;
}

.lang-menu a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1rem;
    border-radius: var(--btn-radius);
    transition: var(--transition);
    color: var(--dark-color);
}

.lang-menu a:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 2.4rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    font-weight: 600;
    border-radius: var(--btn-radius);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(74, 128, 255, 0.3);
    border: none;
    cursor: pointer;
    text-align: center;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(74, 128, 255, 0.4);
    color: white;
}

.cta-button.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(74, 128, 255, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 8px 25px rgba(74, 128, 255, 0.45);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(74, 128, 255, 0.3);
    }
}

.desktop-only {
    display: inline-flex;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #4b6cb7 0%, #182848 100%);
    color: white;
    padding: 10rem 0;
    min-height: calc(100vh - 7rem);
    display: flex;
    align-items: center;
}

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

.hero-content {
    animation: fadeInUp 1s ease-out;
}

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

.hero h1 {
    color: white;
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
}

.hero .subtitle {
    font-size: 2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero .credibility {
    font-size: 1.6rem;
    opacity: 0.8;
    margin-bottom: 3rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

.hero-image img {
    max-width: 100%;
    border-radius: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 3rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
    transform: translateZ(0);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
    background-color: var(--card-bg-hover);
}

.wide-card {
    grid-column: 1 / -1;
}

/* Image Feature */
.image-feature {
    text-align: center;
    margin: 5rem 0;
}

.image-feature img {
    border-radius: var(--card-radius);
    box-shadow: var(--box-shadow);
    margin: 0 auto;
}

/* Testimonials */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.testimonial-card {
    background-color: white;
    border-radius: var(--card-radius);
    padding: 3rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
}

.testimonial-icon {
    width: 8rem;
    height: 8rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto 2rem;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 2rem;
}

.testimonial-card h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.rating {
    color: #ffb900;
    font-size: 1.8rem;
}

/* Two-column layout */
.image-col {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-col img {
    border-radius: var(--card-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.image-col img:hover {
    transform: scale(1.03);
    box-shadow: var(--hover-shadow);
}

.text-col {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* CTA Container */
.cta-container {
    text-align: center;
    margin-top: 5rem;
}

/* FAQ Section */
.faq-container {
    max-width: 80rem;
    margin: 0 auto;
}

details {
    background-color: white;
    border-radius: var(--card-radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
}

details:hover {
    box-shadow: var(--hover-shadow);
}

summary {
    padding: 2rem 3rem;
    cursor: pointer;
    position: relative;
    font-weight: 600;
    font-size: 1.8rem;
    list-style: none;
}

summary::-webkit-details-marker {
    display: none;
}

summary:after {
    content: '+';
    position: absolute;
    right: 3rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.4rem;
    color: var(--primary-color);
    transition: var(--transition);
}

details[open] summary:after {
    content: '-';
}

.faq-content {
    padding: 0 3rem 2rem;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 5rem 0 2rem;
}

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

.footer-col h3 {
    color: white;
    font-size: 2rem;
    margin-bottom: 2rem;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-col a:hover {
    color: white;
}

.disclaimer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    margin-bottom: 2rem;
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.7);
}

.copyright {
    text-align: center;
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Animation Utilities */
.shimmer {
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.5) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -100% 0;
    }
    100% {
        background-position: 100% 0;
    }
}

/* Media Queries */
@media (max-width: 992px) {
    html {
        font-size: 55%;
    }

    .hero-container,
    .content-grid {
        grid-template-columns: 1fr;
    }

    .hero-image {
        order: -1;
    }

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

    .testimonial-card:last-child {
        grid-column: span 2;
        max-width: 50rem;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 50%;
    }

    h1 {
        font-size: 3.2rem;
        word-wrap: break-word;
        hyphens: auto;
        line-height: 1.4;
    }

    h2 {
        font-size: 2.8rem;
    }

    .desktop-only {
        display: none;
    }

    /* Mobile Navigation */
    .menu-toggle {
        display: block;
    }

    .main-nav #main-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 0;
        overflow: hidden;
        flex-direction: column;
        background-color: white;
        z-index: 10;
        transition: height 0.3s ease;
        padding: 0;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .main-nav.active #main-menu {
        height: 100vh;
        padding: 10rem 2rem 2rem;
        overflow-y: auto;
    }

    .main-nav #main-menu li {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .main-nav.active #main-menu li {
        opacity: 1;
        transform: translateY(0);
    }

    .main-nav.active .hamburger-icon {
        background: transparent;
    }

    .main-nav.active .hamburger-icon:before {
        transform: rotate(45deg);
        top: 0;
    }

    .main-nav.active .hamburger-icon:after {
        transform: rotate(-45deg);
        bottom: 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .testimonial-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-card:last-child {
        grid-column: 1;
    }
}

@media (max-width: 576px) {
    section {
        padding: 6rem 0;
    }

    .card {
        padding: 2rem;
    }

    .lang-selector {
        margin-left: 1rem;
    }

    .lang-toggle span {
        display: none;
    }

    summary {
        padding: 1.5rem 2rem;
        padding-right: 4rem;
    }

    summary:after {
        right: 2rem;
    }

    .faq-content {
        padding: 0 2rem 1.5rem;
    }
}