/* ==================== BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    background-color: #000909;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: #111820; }
::-webkit-scrollbar-thumb { background: #00E5E5; }
::-webkit-scrollbar-thumb:hover { background: #00FFFF; }

/* ==================== HEADER ==================== */
#main-header {
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}
#main-header.header-hidden {
    transform: translateY(-100%);
}

/* Logo hover swap */
.logo-container {
    position: relative;
    display: flex;
    align-items: center;
    text-decoration: none;
}
.header-logo-img {
    height: 32px;
    width: auto;
}
.logo-container .logo-img {
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.logo-container .logo-text {
    position: absolute;
    left: 0;
    opacity: 0;
    transform: translateX(-8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    white-space: nowrap;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: #FFFFFF;
    letter-spacing: -0.5px;
    pointer-events: none;
}
.logo-container:hover .logo-img {
    opacity: 0;
    transform: translateX(-8px);
}
.logo-container:hover .logo-text {
    opacity: 1;
    transform: translateX(0);
}
.logo-text .dot { color: #00E5E5; }

/* Nav link */
.nav-link {
    position: relative;
    font-size: 0.875rem;
    font-weight: 500;
    color: #9CA3AF;
    transition: color 0.2s ease;
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
}
.nav-link:hover { color: #00E5E5; }
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: #00E5E5;
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: #00E5E5; }
.nav-link.active::after { width: 100%; }

/* Dropdown */
.dropdown-panel {
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.3s ease;
    pointer-events: none;
}
.dropdown-trigger:hover .dropdown-panel,
.dropdown-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* Hamburger */
.hamburger span {
    display: block;
    height: 2px;
    background-color: #9CA3AF;
    margin-bottom: 6px;
    transition: all 0.3s ease;
}
.hamburger span:nth-child(1) { width: 28px; }
.hamburger span:nth-child(2) { width: 18px; margin-bottom: 0; }
.hamburger:hover span { background-color: #00E5E5; }

/* Mobile menu */
#mobile-menu {
    transform: translateX(100%);
    transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}
#mobile-menu.open { transform: translateX(0); }

/* Buttons */
.btn-outline {
    background-color: transparent;
    color: #fff;
    border: 1px solid #00E5E5;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn-outline:hover {
    background-color: #00E5E5;
    color: #000;
    box-shadow: 0 0 20px rgba(0, 229, 229, 0.5);
}

.btn-primary {
    background-color: #00E5E5;
    color: #000;
    font-weight: 600;
    border: none;
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn-primary:hover {
    background-color: #00FFFF;
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.6);
}

/* ==================== MAIN CONTENT ==================== */
#app-content {
    padding-top: 80px;
    transition: opacity 0.3s ease, transform 0.3s ease;
    min-height: 100vh;
}
#app-content.transitioning {
    opacity: 0;
    transform: translateY(8px);
}

/* ==================== SERVICE ITEMS ==================== */
.service-item {
    transition: all 0.3s ease;
    border-left: 1px solid rgba(0, 229, 229, 0.15);
    padding: 0 0 32px 24px;
    position: relative;
    cursor: pointer;
}
.service-item::before {
    content: '';
    position: absolute;
    left: -1px;
    top: 0;
    width: 1px;
    height: 0;
    background: #00E5E5;
    transition: height 0.4s ease;
}
.service-item:hover::before { height: 100%; }
.service-item:hover { border-left-color: transparent; }

/* ==================== FORMS ==================== */
.form-input {
    background: rgba(10, 15, 16, 0.7);
    border: 1px solid rgba(0, 229, 229, 0.2);
    color: #fff;
    transition: all 0.2s ease;
    outline: none;
    font-family: inherit;
}
.form-input:focus {
    border-color: #00E5E5;
    box-shadow: 0 0 15px rgba(0, 229, 229, 0.2);
    background: rgba(10, 15, 16, 0.95);
}

/* ==================== SOCIAL ICONS ==================== */
.social-icon {
    transition: all 0.3s ease;
}
.social-icon:hover {
    transform: translateY(-3px);
    color: #00E5E5 !important;
    text-shadow: 0 0 10px #00E5E5;
}

/* ==================== MODALS ==================== */
.modal-overlay {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 9, 9, 0.95);
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-content {
    background: #111820;
    border: 1px solid #00E5E5;
    padding: 40px;
    text-align: center;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 0 50px rgba(0, 229, 229, 0.3);
}
.modal-content.error {
    border-color: #EF4444;
    box-shadow: 0 0 50px rgba(239, 68, 68, 0.3);
}

/* ==================== ANIMATIONS ==================== */
@keyframes neonPulse {
    0%, 100% { text-shadow: 0 0 5px rgba(0, 229, 229, 0.3); }
    50% { text-shadow: 0 0 20px rgba(0, 229, 229, 0.6), 0 0 30px rgba(0, 229, 229, 0.3); }
}

@keyframes neonBlob {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.7; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes drift {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(40px, -30px) rotate(5deg); }
    50% { transform: translate(-10px, -60px) rotate(-3deg); }
    75% { transform: translate(-40px, -20px) rotate(2deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
}

@keyframes driftReverse {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(-30px, -40px) rotate(-5deg); }
    50% { transform: translate(20px, -50px) rotate(3deg); }
    75% { transform: translate(30px, -10px) rotate(-2deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .header-logo-img { height: 26px; }
    #app-content { padding-top: 72px; }
}