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

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: #0b1120;
    color: #f8fafc;
    overflow-x: hidden;
}

/* ========== GEOMETRIC BACKGROUND SHAPES ========== */
.geo-shape {
    position: fixed;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}

.shape-circle-1 {
    top: 15%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float-slow 20s ease-in-out infinite;
}

.shape-circle-2 {
    top: 60%;
    right: -8%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: float-slow 25s ease-in-out infinite reverse;
}

.shape-circle-3 {
    bottom: 10%;
    left: 20%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.07) 0%, transparent 70%);
    border-radius: 50%;
    animation: float-slow 18s ease-in-out infinite;
}

.shape-square-1 {
    top: 30%;
    right: 5%;
    width: 120px;
    height: 120px;
    border: 1px solid rgba(20, 184, 166, 0.1);
    transform: rotate(45deg);
    animation: spin-slow 30s linear infinite;
}

.shape-triangle-1 {
    top: 70%;
    left: 8%;
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-bottom: 86px solid rgba(20, 184, 166, 0.05);
    animation: float-slow 22s ease-in-out infinite;
}

.shape-rect-1 {
    top: 45%;
    left: 50%;
    width: 200px;
    height: 60px;
    border: 1px solid rgba(20, 184, 166, 0.06);
    border-radius: 8px;
    transform: translate(-50%, -50%) rotate(-15deg);
    animation: spin-slow 40s linear infinite reverse;
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(2deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ========== NAVIGATION ========== */
.nav-bar {
    transition: background 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease;
}

.nav-bar.scrolled {
    background: rgba(11, 17, 32, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05), 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #2dd4bf;
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-link:hover::after {
    width: 60%;
}

.nav-link:hover {
    color: #fff;
}

/* Mobile Menu */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open {
    max-height: 400px;
}

.mobile-link {
    display: block;
}

/* Hamburger Animation */
#menuBtn.active #bar1 {
    transform: translateY(4px) rotate(45deg);
}

#menuBtn.active #bar2 {
    opacity: 0;
    transform: scaleX(0);
}

#menuBtn.active #bar3 {
    transform: translateY(-4px) rotate(-45deg);
}

/* ========== HERO ANIMATIONS ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.animate-slide-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.animate-slide-up-delay {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards;
    opacity: 0;
}

.animate-slide-up-delay-2 {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
    opacity: 0;
}

/* ========== SCROLL REVEAL ========== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* 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;
    }
    
    .geo-shape {
        animation: none;
    }
}

/* ========== CUSTOM SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0b1120;
}

::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* ========== SELECTION ========== */
::selection {
    background: rgba(20, 184, 166, 0.3);
    color: #f0fdfa;
}

/* ========== FORM STYLES ========== */
select option {
    background: #1e293b;
    color: #f8fafc;
}

/* ========== UTILITY ========== */
.text-gradient-teal {
    background: linear-gradient(135deg, #5eead4, #14b8a6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}