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

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

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

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

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FDF8EE;
}
::-webkit-scrollbar-thumb {
    background: #D9E3F1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #9FB3CC;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #D4A843;
    border-radius: 1px;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 60%;
}

/* Navbar scrolled state */
nav.scrolled {
    background: rgba(254, 253, 251, 0.92) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(30, 58, 95, 0.06), 0 4px 20px rgba(30, 58, 95, 0.04);
}

nav.scrolled .nav-text {
    color: #1E3A5F !important;
}

nav.scrolled .nav-subtext {
    color: #6B7A9E !important;
}

/* ===== Hero Badge ===== */
.hero-badge {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

/* ===== Hero Headline ===== */
.hero h1 {
    animation: fadeInUp 0.8s ease 0.15s forwards;
    opacity: 0;
}

.hero p {
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

.hero .flex.flex-col.sm\:flex-row {
    animation: fadeInUp 0.8s ease 0.45s forwards;
    opacity: 0;
}

.hero .mt-12 {
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

/* ===== Floating Card ===== */
.absolute.-bottom-6.-left-6 {
    animation: float 4s ease-in-out infinite;
}

/* ===== Scroll Indicator ===== */
.scroll-indicator {
    animation: scrollLine 2s ease-in-out infinite;
}

/* ===== Section Animations ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

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

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }

/* ===== Hamburger Animation ===== */
#menu-btn.active #bar1 {
    transform: translateY(4px) rotate(45deg);
}
#menu-btn.active #bar2 {
    opacity: 0;
    transform: scaleX(0);
}
#menu-btn.active #bar3 {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.25rem;
}

/* ===== Product Card Image Hover ===== */
.grid img {
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== Footer Link Hover ===== */
footer a {
    position: relative;
}

footer a::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 1px;
    background: #D4A843;
    transition: width 0.3s ease;
}

footer a:hover::after {
    width: 100%;
}

/* ===== Keyframes ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

@keyframes scrollLine {
    0%, 100% {
        opacity: 1;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.4;
        transform: scaleY(0.6);
        transform-origin: top;
    }
}

/* ===== Back to Top Button ===== */
#back-to-top {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateY(10px);
}

#back-to-top.visible {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

#back-to-top:hover {
    transform: translateY(-2px);
}

/* ===== Responsive ===== */
@media (max-width: 767px) {
    .absolute.-bottom-6.-left-6 {
        display: none;
    }

    .hero-badge {
        animation-delay: 0s !important;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .absolute.-bottom-6.-left-6 {
        display: none;
    }
}

/* ===== 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 {
        opacity: 1;
        transform: none;
    }
}