:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #f97316;
    --slate-900: #0f172a;
    --slate-700: #334155;
    --slate-500: #64748b;
    --gray-100: #f1f5f9;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #1d4ed8 0%, #9333ea 100%);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    color: var(--slate-700);
    background-color: var(--white);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1100px, 92%);
    margin: 0 auto;
}

.site-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-100);
    position: sticky;
    top: 0;
    z-index: 20;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem 0;
    position: relative;
}

.logo {
    display: inline-flex;
    align-items: center;
}

.logo-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    flex-shrink: 0;
    object-fit: cover;
    object-position: center;
}

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

.primary-nav ul {
    list-style: none;
    display: flex;
    gap: 1.2rem;
    padding: 0;
    margin: 0;
}

.primary-nav a {
    font-weight: 600;
    color: var(--slate-700);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0.35rem;
}

.nav-toggle-bar {
    width: 26px;
    height: 2px;
    background: var(--slate-900);
    border-radius: 999px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.mobile-nav-cta {
    display: none;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.2rem;
    border-radius: 8px;
    background-color: var(--gray-100);
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

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

.btn-secondary {
    background-color: var(--secondary);
    color: var(--white);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px -16px rgba(37, 99, 235, 0.6);
}

.btn-full {
    width: 100%;
}

.hero {
    background:
        radial-gradient(circle at 12% 20%, rgba(56, 189, 248, 0.35), transparent 55%),
        radial-gradient(circle at 85% 30%, rgba(59, 130, 246, 0.25), transparent 55%),
        linear-gradient(135deg, #021430 0%, #093a4c 35%, #042031 100%);
    color: var(--white);
    padding: 4.5rem 0;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2.4rem, 4vw, 3.2rem);
    line-height: 1.1;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

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

.stats {
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: var(--white);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 20px 40px -24px rgba(15, 23, 42, 0.25);
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.courses-preview {
    padding: 3rem 0;
    background: var(--gray-100);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.course-card {
    background: var(--white);
    border-radius: 18px;
    padding: 1.8rem;
    box-shadow: 0 24px 48px -32px rgba(15, 23, 42, 0.35);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.course-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.course-duration {
    font-weight: 600;
    color: var(--secondary);
}

.course-card ul {
    margin: 0;
    padding-left: 1.1rem;
}

.success {
    padding: 3rem 0;
}

.success-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    align-items: start;
}

.success-grid.condensed {
    align-items: center;
}

.success-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.success-stats span {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.testimonial-grid {
    display: grid;
    gap: 1.2rem;
}

blockquote {
    margin: 0;
    background: var(--gray-100);
    border-left: 4px solid var(--primary);
    border-radius: 12px;
    padding: 1.2rem 1.4rem;
}

blockquote footer {
    margin-top: 0.8rem;
    color: var(--slate-500);
    display: flex;
    flex-direction: column;
}

.cta {
    padding: 3rem 0;
}

.cta-card {
    background: var(--gradient);
    color: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.site-footer {
    background: var(--slate-900);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

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

.footer-grid ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.socials {
    display: flex;
    gap: 0.8rem;
}

.copyright {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

.messages {
    margin-top: 1rem;
}

.alert {
    background: #dcfce7;
    color: #166534;
    padding: 0.85rem 1rem;
    border-radius: 8px;
    border: 1px solid #bbf7d0;
}

.page-hero {
    padding: 3rem 0;
    color: var(--white);
}

.gradient {
    background: var(--gradient);
}

.page-grid {
    margin: 3rem auto;
}

.prose {
    padding: 3rem 0;
    display: grid;
    gap: 1.5rem;
}

.cards-sm, .cards-lg {
    display: grid;
    gap: 1.2rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    padding-bottom: 3rem;
}

.info-card-sm, .info-card-lg, .info-card {
    background: var(--white);
    border-radius: 16px;
    padding: 1.6rem;
    box-shadow: 0 20px 44px -32px rgba(15, 23, 42, 0.4);
}

.icon-top {
    display: grid;
    gap: 0.8rem;
    place-items: center;
    text-align: center;
}

.info-card-lg h2 {
    margin-top: 0;
}

.icon-circle {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    display: grid;
    place-items: center;
    font-size: 1.4rem;
    font-weight: 600;
}

.center-text {
    text-align: center;
}

.vision-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    margin: 3rem auto;
}

.icon-card {
    background: var(--white);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: 0 24px 48px -36px rgba(15, 23, 42, 0.35);
    display: grid;
    gap: 1rem;
}

.icon-card h2 {
    margin: 0;
}

.outline-blue {
    border: 2px solid rgba(37, 99, 235, 0.35);
}

.outline-orange {
    border: 2px solid rgba(249, 115, 22, 0.35);
}

.values-grid {
    padding-bottom: 0;
    margin-top: 2rem;
}

.goals-section {
    padding: 3rem 0;
}

.goals-list {
    list-style: none;
    padding: 0;
    margin: 2rem auto 0;
    display: grid;
    gap: 1.5rem;
}

.goals-list li {
    padding-left: 1.5rem;
    border-left: 4px solid var(--primary);
}

.goals-list h3 {
    margin: 0 0 0.4rem;
}

.commitment-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 24px 48px -36px rgba(15, 23, 42, 0.35);
    margin: 3rem auto;
    max-width: 820px;
}

.contact-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    padding: 3rem 0;
}

.register-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    padding: 3rem 0;
}

.form-card {
    background: var(--white);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: 0 24px 48px -32px rgba(15, 23, 42, 0.35);
}

.form-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.form-control label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.form-control input,
.form-control select,
.form-control textarea {
    width: 100%;
    padding: 0.75rem;
    border-radius: 10px;
    border: 1px solid var(--gray-100);
    font-size: 1rem;
    font-family: inherit;
}

.form-control.has-error input,
.form-control.has-error select,
.form-control.has-error textarea {
    border-color: #f87171;
}

.input {
    background: var(--white);
}

.error {
    margin-top: 0.4rem;
    color: #b91c1c;
    font-size: 0.85rem;
}

.jobs-section {
    padding: 3rem 0;
}

.job-list {
    display: grid;
    gap: 1.2rem;
}

.job-card {
    background: var(--white);
    border-radius: 16px;
    padding: 1.8rem;
    box-shadow: 0 24px 48px -36px rgba(15, 23, 42, 0.35);
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    align-items: flex-start;
}

.job-card h3 {
    margin: 0 0 0.4rem;
}

.job-tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.8rem;
    flex-wrap: wrap;
}

.tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
}

.events-section {
    padding: 3rem 0;
    text-align: center;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.event-card {
    background: var(--white);
    border-radius: 16px;
    padding: 1.8rem;
    box-shadow: 0 20px 44px -32px rgba(15, 23, 42, 0.35);
    display: grid;
    gap: 0.8rem;
    place-items: center;
}

@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .primary-nav {
        position: absolute;
        top: calc(100% + 0.5rem);
        left: 0;
        right: 0;
        background: var(--white);
        border-radius: 14px;
        box-shadow: 0 24px 48px -32px rgba(15, 23, 42, 0.45);
        padding: 1.5rem;
        display: none;
        flex-direction: column;
        gap: 1rem;
        z-index: 15;
    }

    .primary-nav.open {
        display: flex;
    }

    .primary-nav ul {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }

    .primary-nav li {
        width: 100%;
    }

    .primary-nav a {
        display: block;
        padding: 0.5rem 0;
    }

    .header-cta {
        display: none;
    }

    .mobile-nav-cta {
        display: block;
    }

    .mobile-nav-cta .btn {
        width: 100%;
    }

    .site-header {
        position: static;
    }
}