*, *::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(63, 184, 188, 0.3);
    color: #F2FBF8;
}

/* ── Hero ── */
.hero-bg {
    will-change: transform;
}

.hero-overlay {
    background: linear-gradient(
        180deg,
        rgba(4, 11, 24, 0.55) 0%,
        rgba(4, 11, 24, 0.40) 40%,
        rgba(4, 11, 24, 0.70) 100%
    );
}

.hero-title {
    opacity: 0;
    transform: translateY(30px);
    animation: heroReveal 1s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.hero-subtitle {
    opacity: 0;
    transform: translateY(20px);
    animation: heroReveal 1s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
}

.hero-ctas {
    opacity: 0;
    transform: translateY(20px);
    animation: heroReveal 1s cubic-bezier(0.16, 1, 0.3, 1) 0.8s forwards;
}

.hero-badge {
    opacity: 0;
    animation: fadeIn 0.8s ease 0.1s forwards;
}

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

@keyframes fadeIn {
    to { opacity: 1; }
}

.hero-bg {
    animation: heroBgZoom 20s ease-in-out infinite alternate;
}

@keyframes heroBgZoom {
    from { transform: scale(1.05); }
    to { transform: scale(1.12); }
}

/* ── Navbar ── */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(4, 11, 24, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: #3FB896;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.nav-link:hover {
    color: #ffffff !important;
}

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

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.hamburger-line {
    display: block;
}

#mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: translateX(10px);
}

#mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.5rem;
}

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ── Section Labels ── */
.section-label {
    letter-spacing: 0.25em;
}

/* ── Reveal Animations ── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: translateY(0) translateX(0);
    }
}

/* ── Menu Cards ── */
.menu-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.5s ease,
                border-color 0.5s ease;
}

.menu-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(63, 184, 188, 0.1);
}

.menu-item {
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.menu-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* ── CTA Section ── */
.cta-overlay {
    background: linear-gradient(
        135deg,
        rgba(4, 11, 24, 0.88) 0%,
        rgba(10, 22, 40, 0.82) 50%,
        rgba(4, 11, 24, 0.90) 100%
    );
}

/* ── Stats ── */
.reveal-stat {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-stat {
        opacity: 0;
        transform: translateY(20px);
    }
    .reveal-stat.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

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

::-webkit-scrollbar-track {
    background: #040B18;
}

::-webkit-scrollbar-thumb {
    background: rgba(63, 184, 188, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(63, 184, 188, 0.5);
}

/* ── Focus Styles ── */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #3FB896;
    outline-offset: 4px;
    border-radius: 4px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.75rem;
    }

    .hero-title span:nth-child(2) {
        font-size: 2.25rem;
    }
}