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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(212, 154, 46, 0.3);
    color: #102a43;
}

/* ===== Scroll Reveal Animation ===== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-up {
    transform: translateY(0);
}

.reveal-left {
    transform: translateX(0);
}

.reveal-right {
    transform: translateX(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(40px);
    }

    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
    }

    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
    }
}

/* ===== Navbar ===== */
#navbar.scrolled {
    background: rgba(10, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 30px rgba(0, 0, 0, 0.15);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #eac86e;
    transition: width 0.3s ease;
}

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

/* ===== Mobile Menu ===== */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-link {
    position: relative;
    padding-left: 0;
}

/* ===== Buttons ===== */
button, a.btn {
    position: relative;
    overflow: hidden;
}

button::before,
a.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

button:active::before,
a.btn:active::before {
    width: 300px;
    height: 300px;
}

/* ===== Form ===== */
input:focus,
textarea:focus {
    background: rgba(255, 255, 255, 0.08) !important;
}

input::placeholder,
textarea::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

/* ===== Image Hover ===== */
.group img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== Smooth Section Transitions ===== */
section {
    position: relative;
}

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

::-webkit-scrollbar-track {
    background: #0a1a2e;
}

::-webkit-scrollbar-thumb {
    background: #334e68;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d49a2e;
}

/* ===== Date Input Fix ===== */
input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.6) sepia(1) saturate(3) hue-rotate(10deg);
    cursor: pointer;
}

/* ===== Loading State for Form ===== */
button[type="submit"]:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}