body {
    background-color: #FFFFFF;
    color: #111111;
    -webkit-font-smoothing: antialiased;
}

/* Nav Hover Effects */
.nav-link {
    position: relative;
    display: inline-block;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -2px;
    left: 50%;
    background-color: currentColor;
    transition: width 0.3s ease, left 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover {
    color: #A6192E;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hover in CTA Buttons (Fill transition) */
.btn-outline {
    position: relative;
    overflow: hidden;
    background: transparent;
    border: 1px solid currentColor;
    z-index: 1;
    transition: color 0.3s ease;
}

.btn-outline::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    z-index: -1;
}

.btn-outline:hover {
    color: #0A0A0A;
    /* Text changes to dark if outline was white */
}

.btn-outline:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-outline-dark {
    border: 1px solid #111111;
    color: #111111;
}

.btn-outline-dark:hover {
    color: #FFFFFF;
}

.btn-outline-dark::before {
    background: #111111;
}

/* Instagram final CTA Button */
.btn-insta {
    position: relative;
    z-index: 1;
    overflow: hidden;
    transition: border-color 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-insta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.btn-insta:hover {
    border-color: transparent;
}

.btn-insta:hover::before {
    opacity: 1;
}

/* Boxing Ring Cards */
.ring-card {
    position: relative;
    background: #FFFFFF;
    padding: 3rem 2rem;
    text-align: center;
    border: 1px solid transparent;
}

/* Corner Posts (Physical Elements for Smoothness) */
.corner {
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: #111;
    border: 1.5px solid #000;
    border-radius: 50%;
    z-index: 10;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.corner-tl {
    top: 6px;
    left: 6px;
}

.corner-tr {
    top: 6px;
    right: 6px;
}

.corner-bl {
    bottom: 6px;
    left: 6px;
}

.corner-br {
    bottom: 6px;
    right: 6px;
}

.ring-card:hover .corner {
    transform: scale(1.15);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.ring-card:hover .corner-tl {
    background-color: #A6192E;
    border-color: #6C0E1E;
}

.ring-card:hover .corner-br {
    background-color: #1976D2;
    border-color: #00008B;
}

.ring-card:hover .corner-tr,
.ring-card:hover .corner-bl {
    background-color: #FFFFFF;
    border-color: #000;
}

.ring-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

/* Ropes */
.ring-card::before {
    content: "";
    position: absolute;
    top: 12px;
    bottom: 12px;
    left: 12px;
    right: 12px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    box-shadow:
        inset 0 0 0 3px #FFF,
        inset 0 0 0 4px rgba(0, 0, 0, 0.15);
    pointer-events: none;
    z-index: 5;
    transition: transform 0.2s ease;
}

.ring-card:hover::before {
    border-color: rgba(0, 0, 0, 0.3);
}

/* Custom Scroll Animations */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, visibility;
}

.reveal-up.is-visible {
    opacity: 1;
    transform: none;
}

/* Hero Background Overlay - Clarifies Top, Pitch White Bottom */
.hero-bg {
    background-image: url('../img/fondoHero.png');
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    background: linear-gradient(to bottom,
            rgba(255, 255, 255, 1) 0%,
            rgba(255, 255, 255, 0.4) 30%,
            rgba(255, 255, 255, 0.4) 70%,
            rgba(255, 255, 255, 1) 100%);
}

.hover-insta-gradient:hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border-color: transparent;
    color: white;
}

.club-bg {
    background-image: url('../img/Amoedo-CarlosMiguel.webp');
    background-size: cover;
    background-position: center 25%;
}

.club-overlay {
    background: rgba(255, 255, 255, 0.85);
}

/* Refined Architectural Background Typography */
.section-header-group {
    position: relative;
    padding-bottom: 2rem;
}

.bg-text-watermark {
    position: absolute;
    top: -15%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 900;
    text-transform: uppercase;
    color: rgba(0, 0, 0, 0.04);
    white-space: nowrap;
    z-index: 0;
    pointer-events: none;
    letter-spacing: -0.05em;
    line-height: 1;
}

.bg-text-watermark-long {
    font-size: clamp(3rem, 12vw, 10rem);
}