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

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

body {
    overflow-x: hidden;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #e05232;
    color: white;
    padding: 8px 16px;
    z-index: 100;
    font-size: 14px;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

/* ==================== NAVBAR ==================== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(61, 43, 31, 0.06);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #e05232;
    transition: width 0.3s ease;
    border-radius: 1px;
}

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

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

#mobileMenu.open .mobile-link {
    animation: fadeUp 0.4s ease forwards;
    opacity: 0;
}

#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; }

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Menu button animation */
#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

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

#menuBtn.active .menu-line:nth-child(3) {
    width: 20px;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ==================== HERO BLOBS ==================== */
.hero-blob {
    animation: blobFloat 20s ease-in-out infinite;
}

.blob-1 {
    animation-delay: 0s;
}

.blob-2 {
    animation-delay: -7s;
}

.blob-3 {
    animation-delay: -14s;
}

@keyframes blobFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

/* ==================== FLOATING CARDS ==================== */
.floating-card {
    animation: cardFloat 6s ease-in-out infinite;
}

.card-float-1 {
    animation-delay: 0s;
}

.card-float-2 {
    animation-delay: -2s;
}

.card-float-3 {
    animation-delay: -4s;
}

@keyframes cardFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

/* ==================== SCROLL REVEAL ==================== */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    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);
}

.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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ==================== SECTION DIVIDER ==================== */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(61, 43, 31, 0.1), transparent);
}

/* ==================== BUTTONS ==================== */
a, button {
    -webkit-tap-highlight-color: transparent;
}

/* ==================== FORM ==================== */
input:focus, textarea:focus {
    outline: 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;
    }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 767px) {
    .floating-card {
        display: none;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .floating-card {
        display: none;
    }
}