/* Searcus Swiss SAGL — 2027 Cutting-Edge UI */

/* ========== CUSTOM PROPERTIES ========== */
:root {
    --bg-void: #0A0A0F;
    --bg-obsidian: #111117;
    --bg-slate: #1A1A24;
    --border-wire: #2A2A3A;
    --text-chalk: #E8E6F0;
    --text-mist: #9896A8;
    --accent-signal: #6366F1;
    --accent-flare: #818CF8;
    --accent-ember: #F59E0B;
    --accent-verified: #10B981;
    --accent-cyan: #06B6D4;
    --accent-violet: #8B5CF6;
}

/* ========== BASE ========== */
html {
    scroll-behavior: smooth;
}

section[id] {
    scroll-margin-top: 80px;
}

/* ========== NOISE / GRAIN OVERLAY ========== */
.grain::before {
    content: '';
    position: fixed;
    inset: 0;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
    pointer-events: none;
    z-index: 9999;
}

/* ========== AURORA MESH GRADIENT ========== */
.aurora-bg {
    background:
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(99, 102, 241, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 75% 20%, rgba(6, 182, 212, 0.10), transparent),
        radial-gradient(ellipse 50% 60% at 50% 80%, rgba(139, 92, 246, 0.12), transparent),
        var(--bg-void);
    animation: aurora-drift 60s ease-in-out infinite alternate;
}

@keyframes aurora-drift {
    0% {
        background-position: 0% 0%, 100% 0%, 50% 100%;
    }
    33% {
        background-position: 30% 20%, 70% 40%, 20% 60%;
    }
    66% {
        background-position: 60% 40%, 30% 60%, 80% 30%;
    }
    100% {
        background-position: 100% 100%, 0% 100%, 50% 0%;
    }
}

/* ========== GLASSMORPHISM ========== */
.glass {
    background: rgba(17, 17, 23, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-wire);
}

.glass-solid {
    background: rgba(17, 17, 23, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-wire);
}

/* ========== NAVBAR SMART HIDE ========== */
.navbar-hidden {
    transform: translateY(-100%);
}

#navbar {
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                background-color 0.3s ease;
}

/* ========== CARD GLOW ON HOVER ========== */
.card-glow {
    transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.card-glow:hover {
    box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.3),
                0 8px 40px rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

/* ========== DOT GRID PATTERN ========== */
.dot-grid {
    background-image: radial-gradient(circle, var(--border-wire) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* ========== TYPEWRITER ANIMATION ========== */
.terminal-line {
    white-space: nowrap;
    clip-path: inset(0 100% 0 0);
    animation: typing 2s steps(40, end) forwards;
}

.terminal-cursor::after {
    content: '';
    display: inline-block;
    width: 8px;
    height: 1.1em;
    background: var(--accent-signal);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: blink-cursor 0.8s step-end infinite;
}

.terminal-line:nth-child(2) { animation-delay: 2.2s; }
.terminal-line:nth-child(3) { animation-delay: 4.4s; }
.terminal-line:nth-child(4) { animation-delay: 6.6s; }
.terminal-line:nth-child(5) { animation-delay: 8.8s; }
.terminal-line:nth-child(6) { animation-delay: 11s; }
.terminal-line:nth-child(7) { animation-delay: 13.2s; }
.terminal-line:nth-child(8) { animation-delay: 15.4s; }

@keyframes typing {
    from { clip-path: inset(0 100% 0 0); }
    to { clip-path: inset(0 0 0 0); }
}

@keyframes blink-cursor {
    50% { opacity: 0; }
}

/* ========== MARQUEE ========== */
.marquee-track {
    display: flex;
    width: max-content;
    animation: marquee-scroll 40s linear infinite;
}

.marquee-track-reverse {
    display: flex;
    width: max-content;
    animation: marquee-scroll-reverse 35s linear infinite;
}

.marquee-wrapper:hover .marquee-track,
.marquee-wrapper:hover .marquee-track-reverse {
    animation-play-state: paused;
}

@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

@keyframes marquee-scroll-reverse {
    from { transform: translateX(-50%); }
    to { transform: translateX(0); }
}

/* ========== SCROLL REVEAL ========== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger children */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 300ms; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 400ms; }

/* CSS scroll-driven animations (progressive enhancement) */
@supports (animation-timeline: view()) {
    .reveal-scroll {
        animation: reveal-up linear both;
        animation-timeline: view();
        animation-range: entry 0% entry 100%;
    }
    @keyframes reveal-up {
        from { opacity: 0; transform: translateY(30px); }
        to { opacity: 1; transform: translateY(0); }
    }
}

/* ========== CTA BUTTON GLOW ========== */
.btn-glow {
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.btn-glow:hover {
    transform: scale(1.03);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.3),
                0 0 60px rgba(99, 102, 241, 0.1);
}

/* ========== GHOST BUTTON ========== */
.btn-ghost {
    transition: border-color 0.3s ease, color 0.3s ease;
}

.btn-ghost:hover {
    border-color: var(--accent-signal);
    color: var(--accent-flare);
}

/* ========== LINK UNDERLINE ANIMATION ========== */
.link-animated {
    position: relative;
    text-decoration: none;
}

.link-animated::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--accent-signal);
    transition: width 0.3s ease, left 0.3s ease;
}

.link-animated:hover::after {
    width: 100%;
    left: 0;
}

/* ========== COUNTER ANIMATION ========== */
.counter-value {
    font-variant-numeric: tabular-nums;
}

/* ========== TERMINAL WINDOW ========== */
.terminal-window {
    border: 1px solid var(--border-wire);
    border-radius: 12px;
    overflow: hidden;
}

.terminal-header {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-wire);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

/* ========== PILL TAG ========== */
.pill-tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 6px;
    font-size: 0.6875rem;
    line-height: 1.6;
}

/* ========== SCROLL INDICATOR ========== */
.scroll-indicator {
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); opacity: 0.4; }
    50% { transform: translateY(8px); opacity: 0.8; }
}

/* ========== MOBILE FULL-SCREEN MENU ========== */
.mobile-overlay {
    position: fixed;
    inset: 0;
    z-index: 60;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ========== REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .marquee-track,
    .marquee-track-reverse {
        animation: none !important;
    }
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* ========== CONTENT VISIBILITY (PERFORMANCE) ========== */
.cv-auto {
    content-visibility: auto;
    contain-intrinsic-size: auto 500px;
}

/* ========== SEGMENTED CONTROL (LANG TOGGLE) ========== */
.lang-toggle {
    display: inline-flex;
    border: 1px solid var(--border-wire);
    border-radius: 8px;
    overflow: hidden;
}

.lang-toggle a {
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.lang-toggle a.active {
    background: rgba(99, 102, 241, 0.2);
    color: var(--text-chalk);
}

/* ========== JSON SYNTAX HIGHLIGHTING ========== */
.json-key { color: var(--accent-signal); }
.json-string { color: var(--accent-verified); }
.json-number { color: var(--accent-ember); }
.json-bracket { color: var(--text-mist); }
.json-null { color: var(--accent-verified); }