/* ── 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(200, 164, 94, 0.3);
    color: #0d1b2a;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #060e1a;
}
::-webkit-scrollbar-thumb {
    background: rgba(200, 164, 94, 0.4);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(200, 164, 94, 0.7);
}

/* ── Scroll Animations ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }
.reveal[data-delay="5"] { transition-delay: 0.5s; }

.reveal-animated {
    opacity: 0;
    transform: translateY(30px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-animated {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-animated.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Hero Entrance Animations ── */
#hero-subtitle {
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
    opacity: 0;
    transform: translateY(20px);
}

#hero-headline {
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
    opacity: 0;
    transform: translateY(20px);
}

#hero-desc {
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
    opacity: 0;
    transform: translateY(20px);
}

#hero-cta {
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.9s forwards;
    opacity: 0;
    transform: translateY(20px);
}

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

/* ── Scroll Line Animation ── */
@keyframes scrollLine {
    0% { top: -16px; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

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

/* ── Navbar ── */
#navbar {
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
}

#navbar.scrolled {
    background: rgba(3, 8, 16, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(200, 164, 94, 0.1);
}

/* ── Mobile Menu ── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.menu-line {
    display: block;
    width: 24px;
    height: 1px;
    background: #fff;
    transition: all 0.3s ease;
}

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

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

.mobile-link {
    font-size: 1rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 300;
}

/* ── Hover underline effect for nav links ── */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #c8a45e;
    transition: width 0.3s ease;
}

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

/* ── Input focus styles ── */
input:focus,
textarea:focus {
    outline: none;
}

/* ── Image lazy loading fallback ── */
img {
    max-width: 100%;
    height: auto;
}

/* ── Responsive adjustments ── */
@media (max-width: 767px) {
    .font-serif {
        line-height: 1.15;
    }
}

@media (min-width: 768px) {
    /* Subtle parallax-like effect on hero image handled via JS */
}