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

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

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: rgba(20, 184, 166, 0.3);
    color: #fff;
}

/* ========== Geometric Shapes ========== */
.geometric-shape {
    position: absolute;
    pointer-events: none;
}

.shape-circle-1 {
    top: 15%;
    right: 5%;
    width: 300px;
    height: 300px;
    border: 2px solid rgba(20, 184, 166, 0.15);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.shape-circle-1::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 40px;
    right: 40px;
    bottom: 40px;
    border: 2px solid rgba(20, 184, 166, 0.1);
    border-radius: 50%;
}

.shape-rect-1 {
    top: 60%;
    left: 3%;
    width: 120px;
    height: 120px;
    border: 2px solid rgba(20, 184, 166, 0.1);
    transform: rotate(45deg);
    animation: float 6s ease-in-out infinite reverse;
}

.shape-triangle {
    top: 25%;
    left: 8%;
    width: 0;
    height: 0;
    border-left: 40px solid transparent;
    border-right: 40px solid transparent;
    border-bottom: 70px solid rgba(20, 184, 166, 0.08);
    animation: float 10s ease-in-out infinite;
}

.shape-dots {
    bottom: 20%;
    right: 10%;
    width: 80px;
    height: 80px;
    background-image: radial-gradient(circle, rgba(20, 184, 166, 0.2) 1px, transparent 1px);
    background-size: 12px 12px;
    animation: float 7s ease-in-out infinite reverse;
}

/* ========== Animations ========== */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.shape-rect-1 {
    animation-name: floatRotate;
}

@keyframes floatRotate {
    0%, 100% { transform: translateY(0) rotate(45deg); }
    50% { transform: translateY(-15px) rotate(50deg); }
}

/* ========== Scroll Indicator ========== */
@keyframes scrollDot {
    0% { top: 0; opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.scroll-dot {
    animation: scrollDot 1.5s ease-in-out infinite;
}

/* ========== Navigation ========== */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #14b8a6;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #5eead4 !important;
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ========== Mobile Menu ========== */
.menu-line {
    transition: all 0.3s ease;
}

#menuToggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

#menuToggle.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

#mobileMenu.open {
    transform: translateX(0);
}

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.4s ease forwards;
}

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

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== Service Cards ========== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #14b8a6, #5eead4);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* ========== Scroll Reveal ========== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s 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; }

/* ========== Form Styles ========== */
select option {
    background: #0f2240;
    color: #fff;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .shape-circle-1 {
        width: 150px;
        height: 150px;
    }
    
    .shape-rect-1 {
        width: 60px;
        height: 60px;
    }
    
    .shape-triangle {
        display: none;
    }
    
    .shape-dots {
        display: none;
    }
}

/* ========== Focus Styles ========== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ========== Smooth transitions for all interactive elements ========== */
a, button {
    transition: all 0.3s ease;
}

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

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: #1a3d7a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #14b8a6;
}