/* ===== CUSTOM STYLES ===== */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Prevent FOUC on dark header */
#site-header {
    will-change: background-color, box-shadow;
}

/* ===== HEADER SCROLL STATE ===== */
#site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 4px 20px rgba(0, 0, 0, 0.04);
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
    animation: slideDown 0.25s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hamburger animation */
#menu-toggle.active .menu-line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}
#menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
#menu-toggle.active .menu-line:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
    width: 1.25rem;
}

/* ===== HERO BLOBS ===== */
.hero-blob {
    animation: blobFloat 8s ease-in-out infinite;
}

.blob-1 { animation-delay: 0s; }
.blob-2 { animation-delay: -2.5s; }
.blob-3 { animation-delay: -5s; }

@keyframes blobFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25%       { transform: translate(20px, -30px) scale(1.05); }
    50%       { transform: translate(-15px, 20px) scale(0.95); }
    75%       { transform: translate(25px, 15px) scale(1.02); }
}

/* ===== SCROLL REVEAL ===== */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .hero-blob { animation: none; }
    .group:hover,
    a:hover {
        transform: none;
    }
}

/* ===== SELECTION COLOR ===== */
::selection {
    background-color: rgba(20, 184, 166, 0.2);
    color: #134e4a;
}

/* ===== FOCUS VISIBLE ===== */
:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== SUBTLE CARD SHINE ON HOVER ===== */
.group:hover .w-14 {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

.w-14 {
    transition: transform 0.3s ease;
}