/* ===== 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;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #0A2342;
}
::-webkit-scrollbar-thumb {
    background: #5EEAD4;
    border-radius: 3px;
}

/* ===== Scroll Line Animation ===== */
@keyframes scrollLine {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}

.animate-scroll-line {
    animation: scrollLine 1.8s ease-in-out infinite;
}

/* ===== Hero Animations ===== */
@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-sub {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-delay: 0.1s;
}

.hero-title-line {
    animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-delay: 0.2s;
}

.hero-desc {
    animation: fadeIn 0.8s ease both;
    animation-delay: 0.6s;
}

.hero-cta {
    animation: fadeIn 0.8s ease both;
    animation-delay: 0.75s;
}

/* ===== Reveal Animations (below fold only) ===== */
.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.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Nav State ===== */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(10, 35, 66, 0.08);
}

.nav-scrolled .nav-logo-text {
    color: #0A2342;
}

.nav-scrolled .nav-logo-fill {
    fill: #0A2342;
}

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

.mobile-menu-open #line1 {
    transform: rotate(45deg) translate(3px, 3px);
}

.mobile-menu-open #line2 {
    opacity: 0;
}

.mobile-menu-open #line3 {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 1.5rem;
}

/* ===== Focus Styles ===== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #5EEAD4;
    outline-offset: 4px;
    border-radius: 2px;
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ===== Responsive ===== */
@media (max-width: 767px) {
    .font-serif {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }
}