/* ===== 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 {
    overflow-x: hidden;
}

::selection {
    background: rgba(45, 212, 191, 0.3);
    color: #fff;
}

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

#navbar.scrolled {
    background: rgba(10, 22, 40, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: #2DD4BF;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* ===== Hero Animations ===== */
.hero-subtitle {
    animation: slideUp 0.8s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

.hero-line {
    display: block;
    opacity: 0;
    transform: translateY(40px);
    animation: slideUp 0.8s ease forwards;
}

.hero-line:nth-child(1) { animation-delay: 0.15s; }
.hero-line:nth-child(2) { animation-delay: 0.3s; }
.hero-line:nth-child(3) { animation-delay: 0.45s; }

.hero-text {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.6s;
}

.hero-cta {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.75s;
}

.hero-image-wrap {
    opacity: 0;
    transform: translateX(40px);
    animation: slideLeft 1s ease forwards;
    animation-delay: 0.4s;
}

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

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

@keyframes slideLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ===== Service Cards ===== */
.service-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.5s ease, background 0.5s ease;
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-4px);
}

/* ===== Gallery ===== */
.gallery-item {
    position: relative;
    cursor: pointer;
}

/* ===== Mobile Menu ===== */
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

#mobileMenu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.4s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

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

#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

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

#menuBtn.active .menu-line:nth-child(3) {
    width: 20px;
    transform: rotate(-45deg) translate(3px, -3px);
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

::-webkit-scrollbar-track {
    background: #0A1628;
}

::-webkit-scrollbar-thumb {
    background: rgba(45, 212, 191, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(45, 212, 191, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero-image-wrap {
        animation-name: slideUp;
        transform: translateY(40px);
    }
}