/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
}

/* ===== Scroll Reveal (Progressive Enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .reveal-up.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .reveal-left.revealed {
        opacity: 1;
        transform: translateX(0);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .reveal-right.revealed {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== Hero Animations ===== */
@media (prefers-reduced-motion: no-preference) {
    .hero-subtitle {
        animation: fadeUp 0.8s 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    }
    .hero-title {
        animation: fadeUp 0.8s 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    }
    .hero-desc {
        animation: fadeUp 0.8s 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    }
    .hero-cta {
        animation: fadeUp 0.8s 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Navbar ===== */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #FF6B6B;
    transition: width 0.3s ease;
}

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

/* ===== Mobile Menu ===== */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    position: relative;
    opacity: 0;
    animation: mobileLinkIn 0.4s ease forwards;
}

.mobile-link:nth-child(1) { animation-delay: 0.1s; }
.mobile-link:nth-child(2) { animation-delay: 0.2s; }
.mobile-link:nth-child(3) { animation-delay: 0.3s; }
.mobile-link:nth-child(4) { animation-delay: 0.4s; }

@keyframes mobileLinkIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Input Focus ===== */
input:focus, textarea:focus {
    border-color: #FF6B6B !important;
}

/* ===== Selection ===== */
::selection {
    background: #FF6B6B;
    color: white;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #2A2A2A;
}
::-webkit-scrollbar-thumb {
    background: #FF6B6B;
    border-radius: 3px;
}

/* ===== Utility ===== */
@media (max-width: 767px) {
    .font-serif {
        line-height: 1.2;
    }
}