/* =====================
   GLOBAL STYLES
===================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #0f172a;
    --text: #334155;
    --text-light: #64748b;
    --bg: #ffffff;
    --bg-gray: #f8fafc;
    --border: #e2e8f0;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

body {
    font-family:
        "Inter",
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* =====================
   REUSABLE
===================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

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

/* =====================
   BUTTONS
===================== */
.btn-primary {
    background: var(--primary);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    display: inline-block;
    font-size: 15px;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 10px 22px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
    background: transparent;
    cursor: pointer;
    display: inline-block;
    font-size: 15px;
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-outline {
    padding: 10px 24px;
    border: 2px solid var(--primary);
    border-radius: 8px;
    color: var(--primary);
    font-weight: 600;
    background: transparent;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white) !important;
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.2);
}

/* =====================
   NAVBAR
===================== */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--text);
    font-size: 15px;
    position: relative;
}

.nav-links a:not(.btn-outline)::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-links a:not(.btn-outline):hover::after,
.nav-links a.active:not(.btn-outline)::after {
    width: 100%;
}

.nav-links a.active,
.nav-links a:hover {
    color: var(--primary);
}

/* =====================
   HAMBURGER BUTTON
===================== */
.hamburger-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 101;
}

.hamburger-btn span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: all 0.3s;
}

.hamburger-btn:hover span {
    background: var(--primary-dark);
}

/* =====================
   MOBILE MENU OVERLAY
===================== */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 320px;
    height: 100vh;
    background: var(--white);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.mobile-menu-overlay.active .mobile-menu-content {
    transform: translateX(0);
}

.mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--bg-gray);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.mobile-menu-close:hover {
    background: var(--border);
}

.mobile-menu-close i {
    width: 24px;
    height: 24px;
    color: var(--text);
}

.mobile-nav {
    padding: 80px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: 12px;
    font-weight: 500;
    color: var(--text);
    transition: all 0.3s;
    font-size: 16px;
}

.mobile-nav-link i {
    width: 22px;
    height: 22px;
    color: var(--primary);
}

.mobile-nav-link:hover {
    background: var(--bg-gray);
    color: var(--primary);
}

.mobile-nav-divider {
    height: 1px;
    background: var(--border);
    margin: 16px 0;
}

.mobile-nav-primary {
    background: var(--primary);
    color: var(--white);
    margin-top: 8px;
}

.mobile-nav-primary i {
    color: var(--white);
}

.mobile-nav-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
}

.mobile-nav-secondary {
    border: 2px solid var(--primary);
    color: var(--primary);
}

.mobile-nav-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

.mobile-nav-secondary:hover i {
    color: var(--white);
}

/* =====================
   HERO
===================== */
.hero {
    background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%);
    padding: 100px 0 120px;
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.2);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 25px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero p {
    font-size: 19px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 35px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-buttons .btn-primary,
.hero-buttons .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
    margin-top: 60px;
}

.hero-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.hero-stats .stat-icon {
    width: 50px;
    height: 50px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-stats .stat-icon i {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.hero-stats .stat-content {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.hero-stats .stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary);
    line-height: 1;
}

.hero-stats .stat-label {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 4px;
}

/* =====================
   FEATURES
===================== */
.features {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--secondary);
    letter-spacing: -0.5px;
}

.section-description {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--secondary);
    font-weight: 600;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 15px;
    margin-bottom: 20px;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    transition: gap 0.3s;
}

.feature-link:hover {
    gap: 10px;
}

/* =====================
   HOW IT WORKS
===================== */
.how-it-works {
    padding: 100px 0;
    background: var(--bg-gray);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.step-card {
    position: relative;
    background: var(--white);
    padding: 35px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.step-number {
    position: absolute;
    top: -40px;
    right: 20px;
    font-size: 80px;
    font-weight: 800;
    color: rgba(37, 99, 235, 0.1);
    line-height: 1;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.step-icon i {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.step-card h3 {
    font-size: 18px;
    color: var(--secondary);
    margin-bottom: 10px;
    font-weight: 600;
}

.step-card p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 14px;
}

/* =====================
   TESTIMONIALS
===================== */
.testimonials {
    padding: 100px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.testimonial-card {
    background: var(--white);
    padding: 35px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-rating i {
    width: 18px;
    height: 18px;
}

.testimonial-text {
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
    margin-bottom: 25px;
    font-style: italic;
    flex: 1;
}

.testimonial-card {
    display: flex;
    flex-direction: column;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.author-avatar {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary);
    font-size: 16px;
}

.author-name {
    font-weight: 600;
    color: var(--secondary);
    font-size: 15px;
    margin-bottom: 2px;
}

.author-role {
    font-size: 13px;
    color: var(--text-light);
}

/* =====================
   CTA
===================== */
.cta {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: var(--white);
    padding: 100px 0;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.cta-icon i {
    width: 35px;
    height: 35px;
    color: var(--white);
}

.cta h2 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.cta p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.cta .btn-primary {
    background: var(--white);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.cta .btn-primary:hover {
    background: var(--bg-gray);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* =====================
   PAGE HERO
===================== */
.page-hero {
    background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%);
    padding: 80px 0;
    text-align: center;
}

.page-hero h1 {
    font-size: 42px;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.page-hero p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* =====================
   BLOG SECTION
===================== */
.blog-section {
    padding: 80px 0;
    background: var(--bg-gray);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.blog-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.blog-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: var(--bg-gray);
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-content {
    padding: 28px;
}

.blog-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 14px;
}

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

.blog-category {
    color: var(--primary);
    font-weight: 600;
}

.blog-content h2 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--secondary);
    line-height: 1.4;
    font-weight: 600;
}

.blog-content h2 a {
    transition: color 0.3s;
}

.blog-content h2 a:hover {
    color: var(--primary);
}

.blog-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.6;
}

.blog-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 15px;
}

.blog-link:hover {
    gap: 8px;
}

/* =====================
   VACANCIES SECTION
===================== */
.vacancies-section {
    padding: 80px 0;
    background: var(--bg-gray);
}

.vacancy-card {
    background: var(--white);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.vacancy-card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border-color: var(--primary);
}

.vacancy-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.vacancy-company {
    display: flex;
    align-items: center;
    gap: 15px;
}

.vacancy-company img {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.vacancy-company h3 {
    font-size: 20px;
    color: var(--secondary);
    margin-bottom: 4px;
    font-weight: 600;
}

.company-name {
    color: var(--text-light);
    font-size: 15px;
}

.vacancy-salary {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.vacancy-details {
}

.vacancy-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.tag {
    background: var(--bg-gray);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    border: 1px solid var(--border);
}

.vacancy-info {
    display: flex;
    gap: 25px;
    margin-bottom: 18px;
    font-size: 14px;
    color: var(--text-light);
}

.vacancy-info strong {
    color: var(--text);
    font-weight: 600;
}

.vacancy-description {
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.vacancy-date {
    font-size: 14px;
    color: var(--text-light);
}

.btn-apply {
    background: var(--primary);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

.btn-apply:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* =====================
   INTERVIEW SECTION
===================== */
.interview-section {
    padding: 80px 0;
    background: var(--bg-gray);
}

.interview-category {
    margin-bottom: 60px;
}

.category-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary);
    display: inline-block;
}

.question-card {
    background: var(--white);
    border-radius: 12px;
    padding: 28px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 20px;
}

.question-header h3 {
    font-size: 18px;
    color: var(--secondary);
    font-weight: 600;
    line-height: 1.5;
}

.difficulty {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.difficulty.easy {
    background: #d1fae5;
    color: #065f46;
}

.difficulty.medium {
    background: #fef3c7;
    color: #92400e;
}

.difficulty.hard {
    background: #fee2e2;
    color: #991b1b;
}

.question-answer {
    color: var(--text);
    line-height: 1.7;
}

.question-answer p {
    margin-bottom: 15px;
}

.question-answer ul,
.question-answer ol {
    margin-left: 20px;
    margin-bottom: 15px;
}

.question-answer li {
    margin-bottom: 8px;
}

.question-answer pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 20px;
    border-radius: 10px;
    overflow-x: auto;
    margin: 15px 0;
    font-size: 14px;
    line-height: 1.6;
}

.question-answer code {
    font-family: "Consolas", "Monaco", "Courier New", monospace;
}

.tip {
    color: var(--primary);
    font-style: italic;
    margin-top: 10px;
    display: block;
}

/* =====================
   FOOTER
===================== */
.footer {
    background: #0f172a;
    border-top: 1px solid #1e293b;
    color: #cbd5e1;
    padding: 48px 0 32px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 32px;
}

.footer-content p {
    margin: 0;
    color: #94a3b8;
    font-size: 14px;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    align-items: center;
}

.footer-links a {
    font-size: 14px;
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 6px 12px;
    border-radius: 6px;
    position: relative;
}

.footer-links a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 12px;
    right: 12px;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
    background: rgba(37, 99, 235, 0.1);
}

.footer-links a:hover::after {
    transform: scaleX(1);
}

@media (max-width: 768px) {
    .footer {
        padding: 40px 0 24px;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 24px;
    }

    .footer-links {
        justify-content: center;
        gap: 8px 16px;
    }

    .footer-links a {
        padding: 8px 12px;
        font-size: 13px;
    }
}

/* =====================
   RESPONSIVE
===================== */
@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

    .hero h1 {
        font-size: 40px;
    }

    .section-title {
        font-size: 32px;
    }

    .vacancy-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .vacancy-info {
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger-btn {
        display: flex;
    }

    .hero {
        padding: 60px 0 80px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons a {
        width: 100%;
        max-width: 280px;
        text-align: center;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 25px;
    }

    .features-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .features,
    .how-it-works,
    .testimonials,
    .blog-section,
    .vacancies-section,
    .interview-section {
        padding: 60px 0;
    }

    .cta {
        padding: 60px 0;
    }

    .cta h2 {
        font-size: 28px;
    }

    .page-hero {
        padding: 60px 0;
    }

    .page-hero h1 {
        font-size: 32px;
    }

    .vacancy-card {
        padding: 24px;
    }

    .vacancy-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .btn-apply {
        width: 100%;
    }
}