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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

/* ===== Geometric Background Shapes ===== */
.geo-shape {
    position: absolute;
    opacity: 0.08;
    pointer-events: none;
}

.circle-1 {
    width: 400px;
    height: 400px;
    border: 3px solid white;
    border-radius: 50%;
    top: -100px;
    right: -80px;
}

.circle-2 {
    width: 200px;
    height: 200px;
    background: white;
    border-radius: 50%;
    bottom: 20%;
    left: 5%;
}

.triangle-1 {
    width: 0;
    height: 0;
    border-left: 80px solid transparent;
    border-right: 80px solid transparent;
    border-bottom: 140px solid white;
    top: 30%;
    left: 8%;
    transform: rotate(15deg);
}

.rect-1 {
    width: 120px;
    height: 120px;
    border: 3px solid white;
    top: 15%;
    right: 15%;
    transform: rotate(45deg);
}

.circle-3 {
    width: 100px;
    height: 100px;
    background: rgba(217, 119, 6, 0.3);
    border-radius: 50%;
    bottom: 30%;
    right: 5%;
}

/* ===== Floating Cards ===== */
.floating-card {
    position: absolute;
    z-index: 10;
}

.card-top {
    top: 10%;
    right: -20px;
}

.card-bottom {
    bottom: 15%;
    left: -20px;
}

.float-1 {
    animation: float-1 4s ease-in-out infinite;
}

.float-2 {
    animation: float-2 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(10px) rotate(-1deg); }
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .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; }
}

/* ===== Mobile Menu ===== */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

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

/* ===== Button Hover Effects ===== */
a, button {
    transition: all 0.2s ease;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #F5F5DC;
}

::-webkit-scrollbar-thumb {
    background: #047857;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #065F46;
}

/* ===== Selection ===== */
::selection {
    background: #047857;
    color: white;
}