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

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #070E1A;
    color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Navigation ===== */
#nav {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease;
}

#nav.scrolled {
    background: rgba(7, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #00D4AA;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #33DDBB !important;
}

/* Mobile Menu */
#mobileMenu {
    width: 100%;
}

.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #00D4AA;
    transition: width 0.3s ease;
}

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

/* ===== Hero ===== */
.hero-shape {
    animation: float 8s ease-in-out infinite;
}

.shape-circle-1 {
    animation-delay: 0s;
}

.shape-circle-2 {
    animation-delay: -2s;
}

.shape-rect-1 {
    animation-delay: -4s;
    animation-name: spin-slow;
    animation-duration: 20s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}

.shape-dots {
    animation-delay: -1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

@keyframes spin-slow {
    from { transform: rotate(45deg); }
    to { transform: rotate(405deg); }
}

.hero-title {
    animation: fadeUp 1s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.hero-badge {
    animation: fadeUp 1s ease 0.2s forwards;
    opacity: 0;
    transform: translateY(20px);
}

.hero-subtitle {
    animation: fadeUp 1s ease 0.4s forwards;
    opacity: 0;
    transform: translateY(20px);
}

.hero-ctas {
    animation: fadeUp 1s ease 0.6s forwards;
    opacity: 0;
    transform: translateY(20px);
}

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

@keyframes scroll-line {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

.animate-scroll-line {
    animation: scroll-line 2s ease-in-out infinite;
}

/* ===== CTA Buttons ===== */
.cta-primary {
    position: relative;
    overflow: hidden;
}

.cta-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.cta-primary:hover::before {
    left: 100%;
}

/* ===== Service Cards ===== */
.service-card {
    position: relative;
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.5s ease;
}

.service-card:hover {
    box-shadow: 0 20px 60px rgba(0, 212, 170, 0.08);
}

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

.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.23, 1, 0.32, 1);
}

/* ===== Scroll Reveal ===== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1), transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

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

.scroll-reveal:nth-child(2) { transition-delay: 0.1s; }
.scroll-reveal:nth-child(3) { transition-delay: 0.2s; }
.scroll-reveal:nth-child(4) { transition-delay: 0.3s; }
.scroll-reveal:nth-child(5) { transition-delay: 0.4s; }
.scroll-reveal:nth-child(6) { transition-delay: 0.5s; }

/* ===== Selection ===== */
::selection {
    background: rgba(0, 212, 170, 0.3);
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: #070E1A;
}

::-webkit-scrollbar-thumb {
    background: #152D4A;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #00D4AA;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2.75rem;
    }
}