/* 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;
}

::selection {
    background: rgba(200, 164, 90, 0.3);
    color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #0a1128;
}
::-webkit-scrollbar-thumb {
    background: rgba(200, 164, 90, 0.3);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(200, 164, 90, 0.5);
}

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

#navbar.scrolled {
    background: rgba(10, 17, 40, 0.92);
    backdrop-blur: 20px;
    border-bottom: 1px solid rgba(200, 164, 90, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #c8a45a;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #c8a45a !important;
}

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

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

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

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero animations */
.hero-subtitle {
    animation: fadeUp 0.8s ease 0.2s both;
}

.hero-line {
    animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}

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

.hero-desc {
    animation: fadeUp 0.8s ease 0.5s both;
}

.hero-image {
    animation: scaleIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

@keyframes slideUp {
    from {
        transform: translateY(110%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Scroll dot animation */
@keyframes scrollDot {
    0% { top: -12px; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.scroll-dot {
    animation: scrollDot 2s ease-in-out infinite;
}

/* Menu tabs */
.menu-tab {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

.menu-tab:hover {
    border-color: rgba(200, 164, 90, 0.4);
    color: rgba(255, 255, 255, 0.8);
}

.menu-tab.active {
    background: rgba(200, 164, 90, 0.15);
    border-color: rgba(200, 164, 90, 0.6);
    color: #c8a45a;
}

/* Menu items */
.menu-item {
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    opacity: 0;
    transform: translateY(12px);
    animation: fadeUp 0.4s ease forwards;
}

.menu-item:nth-child(1) { animation-delay: 0.05s; }
.menu-item:nth-child(2) { animation-delay: 0.1s; }
.menu-item:nth-child(3) { animation-delay: 0.15s; }
.menu-item:nth-child(4) { animation-delay: 0.2s; }
.menu-item:nth-child(5) { animation-delay: 0.25s; }
.menu-item:nth-child(6) { animation-delay: 0.3s; }

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    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-image {
    opacity: 0;
    transform: translateY(24px) scale(0.97);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Form styles */
input::placeholder,
textarea::placeholder {
    color: rgba(255, 255, 255, 0.15);
}

select option {
    background: #0f1c3f;
    color: #fff;
}

/* Focus visible */
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
a:focus-visible {
    outline: 2px solid rgba(200, 164, 90, 0.6);
    outline-offset: 2px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-image {
        aspect-ratio: 3/4;
    }
    
    #hero {
        padding-bottom: 4rem;
    }
    
    .floating-card {
        position: relative !important;
        bottom: auto !important;
        left: auto !important;
        margin-top: 1rem;
        max-width: 100% !important;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .grid-cols-2 > div:first-child {
        padding-right: 1rem;
    }
    .grid-cols-2 > div:last-child {
        padding-left: 1rem;
    }
}