/* Academic Modern palette */
:root {
    --navy: #1F3C88;
    --gray: #5C5C5C;
    --teal: #2A9D8F;
    --gold: #E9C46A;
    --bg: #F7F7FB;
    --white: #FFFFFF;
    --border-light: #E0E3EC;

    --shadow-soft: 0 14px 30px rgba(15, 23, 42, 0.08);
    --radius-lg: 18px;
    --radius-xl: 24px;

    --font-sans: "Lato", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-serif: "Merriweather", "Georgia", serif;
}

/* Global reset & base */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--gray);
    background: radial-gradient(circle at top left, #f0f3ff 0, #f8f9fc 40%, #ffffff 100%);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: var(--teal);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.2em;
}

a:hover {
    text-decoration: underline;
}

.container {
    width: 100%;
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 0;
    gap: 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy), var(--teal));
    color: var(--white);
    font-weight: 700;
    font-size: 1.05rem;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.18);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.82rem;
    color: #111827;
}

.brand-tagline {
    font-size: 0.78rem;
    color: #6b7280;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.9rem;
}

.site-nav a {
    color: #4b5563;
    text-decoration: none;
    position: relative;
    padding-bottom: 0.15rem;
}

.site-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--teal), var(--gold));
    transition: width 0.18s ease-out;
}

.site-nav a:hover::after {
    width: 100%;
}

/* Hero */

.hero {
    padding: 3.5rem 0 3rem;
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.3fr);
    gap: 2.5rem;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.1rem, 2.6vw + 1.6rem, 2.9rem);
    line-height: 1.1;
    margin: 0 0 0.85rem;
    font-family: var(--font-serif);
    color: #111827;
}

.hero-subtitle {
    margin: 0 0 1.5rem;
    font-size: 0.98rem;
    line-height: 1.6;
    max-width: 36rem;
    color: #4b5563;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.hero-note {
    font-size: 0.82rem;
    color: #6b7280;
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.3rem;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.08s ease-out, box-shadow 0.08s ease-out, background 0.12s ease-out, border-color 0.12s ease-out;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--navy), var(--teal));
    color: var(--white);
    box-shadow: 0 16px 28px rgba(15, 23, 42, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 36px rgba(15, 23, 42, 0.30);
    text-decoration: none;
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(156, 163, 175, 0.7);
    color: #374151;
}

.btn-ghost:hover {
    background: #f3f4f6;
}

/* Hero side card */

.hero-panel {
    display: flex;
    justify-content: flex-end;
}

.hero-card {
    background: rgba(255, 255, 255, 0.96);
    border-radius: var(--radius-xl);
    padding: 1.5rem 1.7rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.3);
    backdrop-filter: blur(12px);
}

.hero-card h2 {
    margin: 0 0 0.75rem;
    font-size: 1.1rem;
    color: #111827;
}

.hero-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
}

.hero-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.35rem 0;
}

.hero-list li::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 999px;
    margin-top: 0.45rem;
    background: radial-gradient(circle at 30% 30%, var(--gold), var(--teal));
}

/* Sections */

.section {
    padding: 2.75rem 0 2.5rem;
}

.section-alt {
    background: #f3f4f9;
    border-top: 1px solid rgba(148, 163, 184, 0.25);
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.section-inner {
    max-width: 960px;
    margin: 0 auto;
}

.section-header {
    max-width: 640px;
    margin-bottom: 1.75rem;
}

.section-header h2 {
    margin: 0 0 0.4rem;
    font-size: 1.4rem;
    font-family: var(--font-serif);
    color: #111827;
}

.section-header p {
    margin: 0;
    font-size: 0.95rem;
    color: #4b5563;
}

/* Layout helper */

.two-column {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 2.25rem;
    align-items: flex-start;
}

.two-column h3 {
    margin-top: 0;
    font-size: 1.05rem;
    font-family: var(--font-serif);
    color: #111827;
}

/* Lists */

.bullet-list {
    margin: 0;
    padding-left: 1.1rem;
    font-size: 0.93rem;
    line-height: 1.6;
}

.bullet-list li + li {
    margin-top: 0.35rem;
}

/* Focus cards */

.card-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.4rem;
}

.card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.2rem;
    border: 1px solid var(--border-light);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
    font-size: 0.9rem;
}

.card h3 {
    margin-top: 0;
    margin-bottom: 0.45rem;
    font-size: 1rem;
    font-family: var(--font-serif);
    color: #111827;
}

/* Contact */

.contact-panel {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 1.3rem 1.4rem;
    border: 1px solid var(--border-light);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.07);
    max-width: 640px;
}

.contact-text {
    margin: 0 0 0.4rem;
    font-size: 0.95rem;
}

.contact-note {
    margin: 0;
    font-size: 0.86rem;
    color: #6b7280;
}

/* Footer */

.site-footer {
    border-top: 1px solid rgba(148, 163, 184, 0.35);
    background: #f9fafb;
}

.footer-inner {
    padding: 1rem 0 1.1rem;
    font-size: 0.82rem;
    color: #6b7280;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem;
}

/* Responsive */

@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-panel {
        justify-content: flex-start;
    }

    .card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-nav {
        width: 100%;
        justify-content: flex-start;
        gap: 1rem;
        flex-wrap: wrap;
        padding-bottom: 0.25rem;
    }

    .two-column {
        grid-template-columns: minmax(0, 1fr);
    }

    .card-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero {
        padding-top: 2.5rem;
    }
}
