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

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

body {
    background-color: #030812;
    color: #ffffff;
    font-family: 'DM Sans', sans-serif;
    overflow-x: hidden;
}

::selection {
    background-color: rgba(78, 205, 196, 0.3);
    color: #ffffff;
}

/* ── Background Blobs ── */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    pointer-events: none;
}

.blob-1 {
    width: 500px;
    height: 500px;
    background: rgba(78, 205, 196, 0.08);
    top: 10%;
    right: -10%;
    animation: blobFloat 20s ease-in-out infinite;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: rgba(78, 205, 196, 0.06);
    bottom: 20%;
    left: -5%;
    animation: blobFloat 25s ease-in-out infinite reverse;
}

.blob-3 {
    width: 300px;
    height: 300px;
    background: rgba(78, 205, 196, 0.05);
    top: 50%;
    left: 40%;
    animation: blobFloat 18s ease-in-out infinite;
}

@keyframes blobFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(40px, 30px) scale(1.02); }
}

/* ── Hero Background ── */
.hero-bg {
    position: absolute;
    inset: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    background: linear-gradient(
        135deg,
        rgba(5, 14, 26, 0.85) 0%,
        rgba(5, 14, 26, 0.7) 40%,
        rgba(5, 14, 26, 0.6) 60%,
        rgba(5, 14, 26, 0.85) 100%
    );
}

/* ── Parallax Elements ── */
.parallax-slow {
    animation: parallaxSlow 8s ease-in-out infinite;
}

.parallax-medium {
    animation: parallaxMedium 6s ease-in-out infinite;
}

.parallax-fast {
    animation: parallaxFast 4s ease-in-out infinite;
}

@keyframes parallaxSlow {
    0%, 100% { transform: translate(0, 0) rotate(12deg); }
    50% { transform: translate(-15px, 20px) rotate(15deg); }
}

@keyframes parallaxMedium {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, -15px); }
}

@keyframes parallaxFast {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-10px, 10px); }
}

/* ── Hero Animations ── */
.hero-badge {
    opacity: 0;
    animation: fadeInDown 0.8s ease forwards 0.3s;
}

.hero-headline {
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.5s;
}

.hero-sub {
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.7s;
}

.hero-ctas {
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.9s;
}

.hero-scroll {
    opacity: 0;
    animation: fadeInUp 1s ease forwards 1.2s;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(3, 8, 18, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding-top: 0;
    padding-bottom: 0;
    border-bottom: 1px solid rgba(78, 205, 196, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4ECDC4;
    transition: width 0.3s ease;
}

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

/* ── Mobile Menu ── */
.mobile-nav-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

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

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

#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

/* ── Mobile Menu Button ── */
#mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

#mobile-menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.25rem;
}

/* ── Reveal Animations (progressive enhancement) ── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

@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);
    }

    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: none;
    }
}

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

::-webkit-scrollbar-track {
    background: #030812;
}

::-webkit-scrollbar-thumb {
    background: rgba(78, 205, 196, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(78, 205, 196, 0.5);
}

/* ── Focus Styles ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #4ECDC4;
    outline-offset: 2px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero-headline {
        font-size: 4.5rem;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 3.5rem;
    }
}