:root {
    --eco-ink: #18202b;
    --eco-yellow: #f6b51d;
    --eco-yellow-dark: #c88700;
}

html {
    scroll-behavior: smooth;
}

body {
    color: var(--eco-ink);
}

.backdrop-blur {
    backdrop-filter: blur(14px);
}

.brand-mark {
    display: inline-grid;
    width: 42px;
    height: 42px;
    place-items: center;
    color: #151515;
    background: var(--eco-yellow);
    font-weight: 900;
}

.hero {
    position: relative;
    min-height: 100svh;
    overflow: hidden;
    background: #151b24;
}

.hero-image,
.hero-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-image {
    object-fit: cover;
    object-position: center right;
}

.hero-overlay {
    background:
        linear-gradient(90deg, rgba(13, 18, 25, 0.92) 0%, rgba(13, 18, 25, 0.72) 42%, rgba(13, 18, 25, 0.22) 78%),
        linear-gradient(0deg, rgba(13, 18, 25, 0.55) 0%, rgba(13, 18, 25, 0) 45%);
}

.fw-black {
    font-weight: 900;
}

.text-white-75 {
    color: rgba(255, 255, 255, 0.78);
}

.text-brand {
    color: var(--eco-yellow-dark);
}

.eyebrow {
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0;
    text-transform: uppercase;
}

.hero-subtitle {
    color: #fff;
    font-size: clamp(1.35rem, 3vw, 2.25rem);
    font-weight: 900;
    line-height: 1.1;
}

.section-pad {
    padding-block: clamp(4rem, 8vw, 7rem);
}

.stat-box {
    color: rgba(255, 255, 255, 0.78);
    background: rgba(255, 255, 255, 0.13);
    border: 1px solid rgba(255, 255, 255, 0.16);
}

.stat-box strong {
    color: #fff;
}

.number-badge {
    display: inline-grid;
    width: 42px;
    height: 42px;
    place-items: center;
    color: #151515;
    background: var(--eco-yellow);
    font-weight: 900;
}

.course-card {
    overflow: hidden;
    border-color: #d9e0e8;
    border-radius: 0.5rem;
}

.course-image {
    width: 100%;
    aspect-ratio: 13 / 9;
    object-fit: cover;
    background: #edf1f5;
}

.course-card .h4 {
    font-size: clamp(1.15rem, 1.5vw, 1.45rem);
}

.contact-actions .btn {
    min-height: 3.25rem;
}

.address-highlight {
    display: inline-block;
    color: #151515;
    background: rgba(246, 181, 29, 0.24);
    border-left: 4px solid var(--eco-yellow);
    padding: 0.75rem 1rem;
    font-size: 1.05rem;
    font-weight: 800;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--eco-yellow-dark);
    box-shadow: 0 0 0 0.25rem rgba(246, 181, 29, 0.25);
}

@media (max-width: 991.98px) {
    .hero {
        min-height: 100svh;
    }

    .hero-image {
        object-position: 62% center;
    }

    .hero-overlay {
        background:
            linear-gradient(0deg, rgba(13, 18, 25, 0.95) 0%, rgba(13, 18, 25, 0.78) 58%, rgba(13, 18, 25, 0.2) 100%);
    }
}

@media (max-width: 575.98px) {
    .display-1 {
        font-size: clamp(3rem, 17vw, 4.8rem);
    }

    .navbar-brand {
        max-width: 72%;
    }
}