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

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    color: #3D2B1F;
    background-color: #FDF8F4;
    overflow-x: hidden;
}

::selection {
    background-color: #d44322;
    color: #FDF8F4;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #d44322;
    transition: width 0.3s ease;
}

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

#navbar.scrolled {
    background-color: rgba(253, 248, 244, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(61, 43, 31, 0.08);
}

#navbar.scrolled .nav-link {
    color: #3D2B1F;
}

#navbar.scrolled .nav-link::after {
    background-color: #d44322;
}

/* ========== HAMBURGER ========== */
#menuBtn.active .hamburger-line:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

#menuBtn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

#menuBtn.active .hamburger-line:nth-child(3) {
    top: 50%;
    transform: translateY(-50%) rotate(-45deg);
}

#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    position: relative;
}

/* ========== HERO SCROLL LINE ========== */
.scroll-line {
    width: 100%;
    height: 40%;
    background: linear-gradient(to bottom, transparent, white);
    position: absolute;
    top: -40%;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: -40%; opacity: 0; }
    50% { opacity: 1; }
    100% { top: 140%; opacity: 0; }
}

/* ========== FLOATING CARDS ========== */
@keyframes float1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-16px) rotate(1deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(-1deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes float4 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
}

.floating-card-1 { animation: float1 6s ease-in-out infinite; }
.floating-card-2 { animation: float2 7s ease-in-out infinite; }
.floating-card-3 { animation: float3 5s ease-in-out infinite; }
.floating-card-4 { animation: float4 8s ease-in-out infinite; }

/* ========== MARQUEE ========== */
.marquee-track {
    animation: marquee 30s linear infinite;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

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

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
    }

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

/* ========== MENU CARDS ========== */
.menu-card {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .menu-card {
        opacity: 0;
        transform: translateY(24px);
    }

    .menu-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== IMAGE HOVER ========== */
.rounded-3xl overflow-hidden {
    overflow: hidden;
}

.rounded-3xl overflow-hidden img {
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ========== BUTTON FOCUS ========== */
a:focus-visible, button:focus-visible {
    outline: 2px solid #d44322;
    outline-offset: 2px;
    border-radius: 9999px;
}

/* ========== MOBILE MENU ANIMATION ========== */
@keyframes slideInMobile {
    from {
        opacity: 0;
        transform: translateY(-16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#mobileMenu.open .mobile-link {
    animation: slideInMobile 0.4s ease forwards;
}

#mobileMenu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .floating-card-1,
    .floating-card-2,
    .floating-card-3,
    .floating-card-4 {
        display: none;
    }

    #hero {
        min-height: 100vh;
    }
}

/* ========== SMOOTH SCROLL OFFSET ========== */
section[id] {
    scroll-margin-top: 80px;
}