body {
    background-color: #F4EBE1;
    color: #0C3546;
    font-family: 'Montserrat', sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
}

.hero-section {
    position: relative;
    background: linear-gradient(to bottom, #1B7AA3 0%, #D1F1FF 100%);
    color: #F4EBE1;
    overflow: hidden;
    min-height: 100vh;
    transition: background 2s ease;
}

#sea-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
}

/* WAVE DIVIDER STYLES */
.wave-divider {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 15;
    pointer-events: none;
}

.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

.wave-divider .shape-fill {
    fill: #F4EBE1;
}

@media (min-width: 768px) {
    .wave-divider svg {
        height: 120px;
    }
}

html {
    scroll-behavior: smooth;
}

.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, visibility;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
}

/* Celestial Body */
.celestial-body {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    position: absolute;
    z-index: 0;
    transition: all 1s ease;
}

/* Decorative Arch */
.shape-arch {
    width: 150px;
    height: 75px;
    border-radius: 150px 150px 0 0;
    background-color: rgba(255, 255, 255, 0.1);
    position: absolute;
    bottom: 0;
    left: 10%;
    z-index: 1;
    opacity: 0.5;
}

.hero-title {
    letter-spacing: -0.02em;
    line-height: 0.9;
}

/* Shared Button Style */
.btn-style {
    background-color: #FF6B6B;
    color: white;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 9999px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    font-family: 'Montserrat', sans-serif;
}

.btn-style:hover {
    transform: translateY(-2px) scale(1.05);
    background-color: #ff8585;
}

.hero-scroll-arrow {
    width: 56px;
    height: 56px;
    border-radius: 9999px;
    border: 2px solid rgba(244, 235, 225, 0.9);
    color: #F4EBE1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    text-decoration: none;
    background: rgba(12, 53, 70, 0.2);
    transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.hero-scroll-arrow span {
    display: inline-block;
    animation: heroArrowBounce 1.6s ease-in-out infinite;
}

.hero-scroll-arrow:hover {
    transform: translateY(4px);
    background: rgba(12, 53, 70, 0.35);
    border-color: #F4EBE1;
}

.hero-scroll-arrow:focus-visible {
    outline: 3px solid rgba(255, 107, 107, 0.7);
    outline-offset: 4px;
}

@keyframes heroArrowBounce {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(8px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-scroll-arrow span {
        animation: none;
    }
}

/* Card Styles */
.sand-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 10px 30px rgba(14, 61, 81, 0.05);
}

.hidden-initial {
    display: none;
}

/* Unified Title Style */
.section-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 2.25rem;
    color: #0C3546;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem;
    text-align: left;
    line-height: 1.2;
}

/* Unified Body Text Style */
.section-body {
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
    font-size: 1.125rem;
    color: #0C3546;
    line-height: 1.7;
    text-align: left;
}

@media (min-width: 768px) {
    .section-body {
        font-size: 1.25rem;
        line-height: 1.7;
    }
}

.note-card {
    margin-top: 1.5rem;
    padding-left: 1rem;
    border-left: 4px solid #FF6B6B;
    font-size: 0.875rem;
    font-weight: 500;
    color: #0C3546;
}

.section-body a {
    color: #FF6B6B;
    text-decoration: underline;
    font-weight: 500;
    transition: color 0.3s ease;
}

.section-body a:hover {
    color: #0C3546;
}