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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
}

img {
    display: block;
    max-width: 100%;
}

::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #0a1f3f;
}

/* ── Animations ── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ── Reveal on Scroll ── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Navigation ── */
#site-header {
    transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#site-header.scrolled {
    background-color: rgba(10, 31, 63, 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: 1px;
    background: #c9a84c;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #d4b95e;
}

/* ── Mobile Menu ── */
.mobile-menu-link {
    position: relative;
}

.mobile-menu-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: #c9a84c;
    transition: width 0.3s ease;
}

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

/* ── Section Typography ── */
.section-eyebrow {
    letter-spacing: 0.3em;
}

.section-headline {
    letter-spacing: -0.02em;
}

.section-body {
    letter-spacing: -0.01em;
}

/* ── Hero ── */
.hero-eyebrow {
    letter-spacing: 0.3em;
}

.hero-headline {
    letter-spacing: -0.03em;
}

/* ── Buttons ── */
button, [role="button"], a[type="submit"] {
    cursor: pointer;
}

/* ── Focus Styles ── */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #c9a84c;
    outline-offset: 2px;
}

/* ── Input Autofill ── */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px rgba(255, 255, 255, 0.05) inset !important;
    -webkit-text-fill-color: #ffffff !important;
}

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

::-webkit-scrollbar-track {
    background: #0a1f3f;
}

::-webkit-scrollbar-thumb {
    background: rgba(201, 168, 76, 0.4);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(201, 168, 76, 0.6);
}

/* ── Responsive Tweaks ── */
@media (max-width: 767px) {
    .hero-headline {
        font-size: 2.5rem;
    }

    .section-headline {
        font-size: 2rem;
    }
}

@media (min-width: 768px) {
    .hero-headline {
        font-size: 3.75rem;
    }

    .section-headline {
        font-size: 2.75rem;
    }
}

@media (min-width: 1024px) {
    .hero-headline {
        font-size: 5rem;
    }

    .section-headline {
        font-size: 3.5rem;
    }
}

@media (min-width: 1280px) {
    .hero-headline {
        font-size: 6rem;
    }
}

@media (min-width: 1536px) {
    .hero-headline {
        font-size: 7rem;
    }
}