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

html {
    scroll-behavior: smooth;
}

#main-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    background: linear-gradient(180deg, #eef6f6 0%, #f8fcfc 100%);
    color: #1f2a2a;
}

/* Hero */
.hero-section {
    padding: 4rem 1.25rem 3rem;
}

.hero-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.1rem;
    text-align: center;
}

.hero-container h1 {
    margin: 0;
    font-size: clamp(1.9rem, 4vw, 3rem);
    line-height: 1.15;
    color: #184241;
}

.hero-container p {
    margin: 0;
    max-width: 72ch;
    font-size: 1.05rem;
    line-height: 1.7;
    color: #2f3f3f;
}

.hero-cta {
    margin-top: 0.5rem;
    padding: 0.85rem 1.4rem;
    border: 0;
    border-radius: 0.65rem;
    background: linear-gradient(135deg, #184241, #278585);
    color: #ffffff;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 10px 22px rgba(24, 66, 65, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 26px rgba(24, 66, 65, 0.32);
    filter: brightness(1.04);
}

/* Mission */
.mission-section {
    padding: 2rem 1.25rem 3.5rem;
}

.mission-container {
    max-width: 1100px;
    margin: 0 auto;
}

.mission-container > h2 {
    margin: 0 0 1rem;
    text-align: center;
    color: #184241;
    font-size: clamp(1.4rem, 2.5vw, 2rem);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.mission-card {
    background: #ffffff;
    border-radius: 0.8rem;
    border-top: 4px solid #278585;
    padding: 1.15rem 1.1rem 1.2rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mission-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12);
}

.mission-card h2,
.mission-card h3 {
    margin: 0 0 0.5rem;
    color: #184241;
    font-size: 1.2rem;
}

.mission-card p {
    margin: 0;
    line-height: 1.6;
    color: #3c4b4b;
}

/* Vision */
.vision-section {
    padding: 0 1.25rem 4rem;
}

.vision-container {
    max-width: 850px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    text-align: center;
    background: #f4f9f9;
    border: 1px solid rgba(39, 133, 133, 0.2);
    border-radius: 0.9rem;
    padding: 1.8rem 1.25rem;
}

.vision-container h2 {
    margin: 0;
    color: #184241;
    font-size: clamp(1.35rem, 2.4vw, 1.9rem);
}

.vision-container p {
    margin: 0;
    max-width: 68ch;
    line-height: 1.8;
    color: #2f4040;
    font-size: 1.03rem;
}

body.dark-theme .main-content {
    background: linear-gradient(180deg, #102626 0%, #0b1c1c 100%);
    color: #e5efef;
}

body.dark-theme .hero-container h1,
body.dark-theme .mission-container > h2,
body.dark-theme .mission-card h2,
body.dark-theme .mission-card h3,
body.dark-theme .vision-container h2 {
    color: #9cd2d1;
}

body.dark-theme .hero-container p,
body.dark-theme .mission-card p,
body.dark-theme .vision-container p {
    color: #d4e4e4;
}

body.dark-theme .mission-card {
    background: #1b3434;
    border-top-color: #4eb2b1;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.35);
}

body.dark-theme .vision-container {
    background: #163131;
    border-color: rgba(78, 178, 177, 0.35);
}

@media (max-width: 1024px) {
    .hero-section {
        padding: 3rem 1rem 2.5rem;
    }

    .mission-section {
        padding: 1.8rem 1rem 3rem;
    }

    .vision-section {
        padding: 0 1rem 3rem;
    }
}

@media (max-width: 768px) {
    .hero-container {
        gap: 0.85rem;
    }

    .hero-container p {
        font-size: 1rem;
    }

    .hero-cta {
        width: 100%;
        max-width: 320px;
    }

    .mission-grid {
        gap: 0.85rem;
    }

    .vision-container {
        padding: 1.4rem 1rem;
    }
}