/* ========== BASE & RESET ========== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

::selection {
    background: #34d4a8;
    color: #0a2540;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a2540;
}
::-webkit-scrollbar-thumb {
    background: #34d4a8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #86efac;
}

/* ========== NAVBAR ========== */
#navbar {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(10, 37, 64, 0.06);
}

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.98);
    box-shadow: 0 4px 30px rgba(10, 37, 64, 0.08);
}

/* ========== MOBILE MENU ========== */
.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #34d4a8;
    transition: width 0.3s ease;
}

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

/* ========== REVEAL ANIMATIONS ========== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up {
    transform: translateY(30px);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.revealed.reveal-up {
    opacity: 1;
    transform: translateY(0);
}

.revealed.reveal-left {
    opacity: 1;
    transform: translateX(0);
}

.revealed.reveal-right {
    opacity: 1;
    transform: translateX(0);
}

/* ========== CARD HOVER EFFECTS ========== */
.reveal-up {
    will-change: transform, opacity;
}

/* ========== BUTTON FOCUS ========== */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #34d4a8;
    outline-offset: 2px;
}

/* ========== REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
    }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 640px) {
    .font-display {
        font-size: 2rem;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    /* Tablet adjustments if needed */
}