/* === RESET & 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 {
    background-color: #0a1628;
    color: #ffffff;
    font-family: 'DM Sans', system-ui, sans-serif;
    overflow-x: hidden;
}

/* === GEOMETRIC BACKGROUND SHAPES === */
.geo-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.geo-circle-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 160, 23, 0.06) 0%, transparent 70%);
    top: -100px;
    right: -150px;
}

.geo-circle-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 160, 23, 0.04) 0%, transparent 70%);
    bottom: 20%;
    left: -100px;
}

.geo-circle-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(212, 160, 23, 0.05) 0%, transparent 70%);
    top: 50%;
    right: 5%;
}

.geo-triangle {
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
    pointer-events: none;
    opacity: 0.04;
}

.geo-triangle-1 {
    border-width: 0 80px 140px 80px;
    border-color: transparent transparent #d4a017 transparent;
    top: 30%;
    left: 5%;
    transform: rotate(-15deg);
}

.geo-square {
    position: absolute;
    pointer-events: none;
    opacity: 0.03;
}

.geo-square-1 {
    width: 120px;
    height: 120px;
    border: 2px solid #d4a017;
    top: 60%;
    right: 8%;
    transform: rotate(45deg);
}

/* === FLOATING CARDS === */
.floating-card-1 {
    animation: float-1 6s ease-in-out infinite;
}

.floating-card-2 {
    animation: float-2 7s ease-in-out infinite;
}

.floating-card-3 {
    animation: float-3 5s ease-in-out infinite;
}

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

@keyframes float-2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-16px) rotate(-1deg); }
}

@keyframes float-3 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
}

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

#navbar.scrolled {
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* === MENU CARDS === */
.menu-card {
    position: relative;
}

.menu-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, transparent 60%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* === FEATURE CARDS === */
.feature-card {
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 60%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* === SCROLL REVEAL (below-fold only) === */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger delays */
.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 {
    animation: slideDown 0.3s ease;
}

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

/* === MOBILE MENU ACTIVE STATE === */
#mobile-menu.open {
    display: block;
}

#mobile-menu.hidden {
    display: none;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .geo-circle-1 {
        width: 300px;
        height: 300px;
    }

    .geo-circle-2 {
        width: 200px;
        height: 200px;
    }

    .geo-triangle-1 {
        border-width: 0 40px 70px 40px;
    }

    .geo-square-1 {
        width: 60px;
        height: 60px;
    }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* === FOCUS STYLES === */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #d4a017;
    outline-offset: 2px;
    border-radius: 4px;
}

/* === SELECTION === */
::selection {
    background: rgba(212, 160, 23, 0.3);
    color: #ffffff;
}