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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    overflow-x: hidden;
}

::selection {
    background: #ff856f;
    color: #fff;
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #ff5c3f;
    border-radius: 3px;
}

/* === Reveal Animations === */
.reveal {
    opacity: 1;
    transform: translateY(0);
    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.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .scroll-line {
        animation: none;
    }
}

/* === Hero Reveal (above fold - always visible) === */
.hero-reveal {
    opacity: 1;
    transform: translateY(0);
    animation: heroFadeIn 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-reveal:nth-child(2) {
    animation-delay: 0.15s;
}

.hero-reveal:nth-child(3) {
    animation-delay: 0.3s;
}

.hero-reveal:nth-child(4) {
    animation-delay: 0.45s;
}

/* === Scroll Line Animation === */
.scroll-line {
    animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes scrollDown {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(200%);
    }
}

/* === Navbar === */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-blur: 20px;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

#navbar.scrolled #nav-logo {
    color: #1a1a1a;
}

#navbar.scrolled .nav-link {
    color: #4a4a4a;
}

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

#mobile-menu.open .mobile-link {
    animation: menuItemIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.25s; }

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

/* === Menu Button === */
.menu-line {
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

#menu-btn.active .menu-line:first-child {
    transform: rotate(45deg) translate(3px, 3px);
}

#menu-btn.active .menu-line:last-child {
    transform: rotate(-45deg) translate(3px, -3px);
}

/* === Category Cards Hover === */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* === Button Focus === */
button:focus-visible,
a:focus-visible {
    outline: 2px solid #ff5c3f;
    outline-offset: 2px;
}

/* === Input Focus === */
input:focus,
textarea:focus {
    border-color: #ff856f !important;
}

/* === Thin decorative lines === */
.deco-line {
    position: absolute;
    width: 1px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.3), transparent);
}

/* === Custom gradient border for cards === */
.card-gradient-border {
    position: relative;
}

.card-gradient-border::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 92, 63, 0.3), transparent, rgba(255, 92, 63, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.card-gradient-border:hover::after {
    opacity: 1;
}