/* =========================================
   ALURANEE - APPLE SaaS DESIGN SYSTEM V6
   Pure White + Black Typography + Subtle Animations
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;500&display=swap');

:root {
    --color-bg: #ffffff;
    --color-bg-alt: #fafafa;
    --color-bg-card: #ffffff;
    --color-text-main: #111111;
    --color-text-muted: #6b7280;
    --color-text-faint: #9ca3af;
    --color-accent: #e5e7eb;
    --color-border: #f0f0f0;
    --color-glow: rgba(0, 0, 0, 0.03);
    --color-blue: #0071e3;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
    --font-mono: 'Roboto Mono', "SF Mono", monospace;
    --transition-speed: 0.4s;
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background-color: var(--color-bg);
    color: var(--color-text-main);
    font-family: var(--font-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    overflow-x: hidden;
}

::selection {
    background: rgba(0, 113, 227, 0.15);
    color: var(--color-text-main);
}

/* =========================================
   NAVBAR - Apple Frost Glass
   ========================================= */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%;
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.2rem 5%;
    background-color: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    transition: all 0.6s var(--ease-smooth);
    z-index: 1000;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.92);
    padding: 0.8rem 5%;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.brand-logo {
    font-size: 1.1rem; font-weight: 700; letter-spacing: 4px;
    color: var(--color-text-main); text-decoration: none; text-transform: uppercase;
    transition: opacity 0.3s;
}
.brand-logo:hover { opacity: 0.6; }

.nav-links { display: flex; gap: 2.5rem; align-items: center; }
.nav-links a {
    color: var(--color-text-muted); text-decoration: none;
    font-size: 0.78rem; letter-spacing: 1px; text-transform: uppercase;
    transition: color 0.3s ease;
    position: relative; font-weight: 500;
}
.nav-links a::after {
    content: '';
    position: absolute; bottom: -4px; left: 0; width: 0; height: 1.5px;
    background: var(--color-text-main);
    transition: width 0.4s var(--ease-smooth);
}
.nav-links a:hover { color: var(--color-text-main); }
.nav-links a:hover::after { width: 100%; }

/* =========================================
   LAYOUT
   ========================================= */
.main-content {
    padding-top: 0; padding-bottom: 0;
    min-height: 100vh; display: flex; flex-direction: column;
}
section { padding: 8rem 5%; position: relative; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; }
.container-narrow { width: 100%; max-width: 900px; margin: 0 auto; }
.bg-alt {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-accent);
    border-bottom: 1px solid var(--color-accent);
}

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1 { font-size: clamp(3rem, 7vw, 5.5rem); font-weight: 600; letter-spacing: -3px; line-height: 1.05; margin-bottom: 1.5rem; color: var(--color-text-main); }
h2 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 600; letter-spacing: -2px; margin-bottom: 2rem; line-height: 1.1; color: var(--color-text-main); }
h3 { font-size: 1.5rem; font-weight: 500; margin-bottom: 1rem; color: var(--color-text-main); }
h4 { color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 3px; margin-bottom: 1rem; font-size: 0.75rem; }
.subtitle { color: var(--color-text-muted); font-size: 1.2rem; font-weight: 400; max-width: 600px; margin-bottom: 3rem; line-height: 1.7; }
.label { display: block; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 3px; font-size: 0.7rem; margin-bottom: 1rem; font-family: var(--font-mono); }

/* =========================================
   BUTTONS - Apple Style
   ========================================= */
.btn-primary {
    display: inline-block; padding: 1rem 2.5rem;
    border: 1.5px solid var(--color-text-main);
    background-color: transparent; color: var(--color-text-main);
    text-decoration: none; text-transform: uppercase;
    font-size: 0.78rem; letter-spacing: 2px; font-weight: 500;
    transition: all 0.4s var(--ease-smooth);
    position: relative; overflow: hidden; border-radius: 50px;
}
.btn-primary::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: var(--color-text-main);
    transition: left 0.5s var(--ease-smooth);
    z-index: 0; border-radius: 50px;
}
.btn-primary:hover { color: var(--color-bg); border-color: var(--color-text-main); }
.btn-primary:hover::before { left: 0; }
.btn-primary span { position: relative; z-index: 1; }

.btn-secondary { border-color: var(--color-accent); color: var(--color-text-muted); border-radius: 50px; }
.btn-secondary:hover { border-color: var(--color-text-main); color: var(--color-bg); }

.btn-solid {
    display: inline-block; padding: 1rem 2.5rem;
    background: var(--color-text-main);
    border: 1.5px solid var(--color-text-main);
    color: #ffffff; text-decoration: none; text-transform: uppercase;
    font-size: 0.78rem; letter-spacing: 2px; font-weight: 500;
    transition: all 0.4s var(--ease-smooth);
    border-radius: 50px;
}
.btn-solid:hover {
    background: #333; border-color: #333;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.btn-glow {
    display: inline-block; padding: 1rem 2.5rem;
    background: var(--color-text-main);
    border: 1.5px solid var(--color-text-main);
    color: #ffffff; text-decoration: none; text-transform: uppercase;
    font-size: 0.78rem; letter-spacing: 2px; font-weight: 500;
    transition: all 0.4s var(--ease-smooth);
    border-radius: 50px;
}
.btn-glow:hover {
    background: #333; border-color: #333;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

/* =========================================
   GRIDS & CARDS
   ========================================= */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }

.card {
    padding: 2.5rem; border: 1px solid var(--color-border);
    background: var(--color-bg-card); border-radius: 20px;
    transition: all 0.5s var(--ease-smooth);
    position: relative; overflow: hidden;
}
.card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
}

.card-number {
    font-size: 0.75rem; color: var(--color-text-faint); margin-bottom: 2rem;
    display: block; border-bottom: 1px solid var(--color-border); padding-bottom: 1rem;
    font-family: var(--font-mono);
}

/* =========================================
   ANIMATION SYSTEM
   ========================================= */

/* Base: Fade-Up + Scale */
.reveal {
    opacity: 0;
    transform: translateY(50px) scale(0.98);
    transition: all 1.2s var(--ease-out-expo);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Blur Reveal */
.blur-reveal {
    opacity: 0;
    filter: blur(10px);
    transform: translateY(25px);
    transition: opacity 1.2s var(--ease-smooth), filter 1.2s var(--ease-smooth), transform 1.2s var(--ease-smooth);
    will-change: opacity, filter, transform;
}
.blur-reveal.active,
.blur-reveal.is-visible {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
}

/* Slide-In from Left/Right */
.reveal-left {
    opacity: 0; transform: translateX(-60px);
    transition: all 1.2s var(--ease-out-expo);
}
.reveal-left.active,
.reveal-left.is-visible { opacity: 1; transform: translateX(0); }

.reveal-right {
    opacity: 0; transform: translateX(60px);
    transition: all 1.2s var(--ease-out-expo);
}
.reveal-right.active,
.reveal-right.is-visible { opacity: 1; transform: translateX(0); }

/* Text Mask Reveal */
.reveal-text-container {
    overflow: hidden; display: inline-block; vertical-align: bottom;
    padding-bottom: 0.15em;
}
.reveal-text {
    display: inline-block; opacity: 0; transform: translateY(100%);
    transition: transform 1s var(--ease-out-expo), opacity 1s var(--ease-out-expo);
}
.reveal.active .reveal-text,
.reveal-text.active { opacity: 1; transform: translateY(0); }

/* Split Text */
.split-text span {
    display: inline-block; opacity: 0; transform: translateY(25px);
    transition: opacity 0.6s ease, transform 0.8s var(--ease-out-expo);
}
.reveal.active .split-text span,
.split-text.active span { opacity: 1; transform: translateY(0); }

/* Scale In */
.scale-in {
    opacity: 0; transform: scale(0.85);
    transition: all 1s var(--ease-spring);
}
.scale-in.active { opacity: 1; transform: scale(1); }

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* =========================================
   SUBTLE LINE SEPARATOR (Apple style)
   ========================================= */
.glow-line {
    width: 100%; height: 1px;
    background: var(--color-accent);
    margin: 0;
}

/* =========================================
   CSS ANIMATIONS
   ========================================= */
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }
@keyframes float-slow { 0%, 100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-30px) rotate(5deg); } }
@keyframes pulse-glow { 0%, 100% { opacity: 0.3; } 50% { opacity: 0.8; } }
@keyframes spin-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

.float { animation: float 6s ease-in-out infinite; }
.float-slow { animation: float-slow 8s ease-in-out infinite; }
.pulse-glow { animation: pulse-glow 3s ease-in-out infinite; }
.spin-slow { animation: spin-slow 20s linear infinite; }

/* =========================================
   CURSOR GLOW (very subtle on white)
   ========================================= */
.cursor-glow {
    position: fixed;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,113,227,0.03) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
}

/* =========================================
   NOISE OVERLAY (very subtle on white)
   ========================================= */
.noise-overlay {
    position: fixed; top: -50%; left: -50%;
    width: 200%; height: 200%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.02'/%3E%3C/svg%3E");
    pointer-events: none; z-index: 9999;
    opacity: 0.3;
}

/* =========================================
   LANGUAGE SELECTOR
   ========================================= */
.lang-link {
    color: var(--color-text-muted); font-weight: normal;
    text-decoration: none; transition: color 0.3s ease;
}
.lang-link:hover { color: var(--color-text-main); }
.lang-link.active { color: var(--color-text-main); font-weight: bold; }

/* =========================================
   STATUS INDICATORS
   ========================================= */
.status-indicator {
    display: inline-flex; align-items: center;
    font-size: 0.7rem; text-transform: uppercase;
    letter-spacing: 2px; color: var(--color-text-muted); margin-bottom: 1rem;
}
.dot { width: 8px; height: 8px; border-radius: 50%; margin-right: 8px; }
.dot-active { background-color: #34d399; box-shadow: 0 0 8px rgba(52,211,153,0.4); }
.dot-sandbox { background-color: #fbbf24; box-shadow: 0 0 8px rgba(251,191,36,0.4); }
.dot-paused { background-color: #f87171; box-shadow: 0 0 8px rgba(248,113,113,0.4); }

.feed-item {
    padding: 1rem 0; border-bottom: 1px solid var(--color-border);
    display: flex; justify-content: space-between; font-size: 0.85rem;
}
.feed-item:last-child { border-bottom: none; }

/* =========================================
   FOOTER
   ========================================= */
.footer {
    border-top: 1px solid var(--color-accent) !important;
    background: var(--color-bg-alt);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    h1 { font-size: clamp(2rem, 10vw, 3rem); letter-spacing: -2px; }
    h2 { font-size: clamp(1.8rem, 8vw, 2.5rem); letter-spacing: -1px; }
    .grid-2 { grid-template-columns: 1fr; gap: 2rem; }
    .grid-3 { grid-template-columns: 1fr; }
    .nav-links { display: none !important; }
    section { padding: 4rem 5%; }
    .navbar { padding: 1rem 5%; }
    .navbar.scrolled { padding: 0.7rem 5%; }

    /* Footer responsive */
    .footer { padding: 3rem 5% 2rem 5% !important; }
    .footer > div > div:first-child { flex-direction: column; gap: 2rem !important; }
    .footer > div > div:first-child > div:last-child { flex-direction: column; gap: 2rem !important; }
    .footer > div > div:last-child { grid-template-columns: 1fr !important; text-align: center; gap: 0.8rem; }

    /* General mobile spacing */
    .container { padding: 0 1rem; }
    .subtitle { font-size: 1rem; }
    .btn-primary, .btn-solid, .btn-glow { padding: 0.8rem 1.8rem; font-size: 0.75rem; }
}

@media (max-width: 480px) {
    h1 { font-size: clamp(1.8rem, 9vw, 2.5rem); }
    .navbar { padding: 0.8rem 4%; }
    .brand-logo { font-size: 0.95rem; letter-spacing: 3px; }
    section { padding: 3rem 4%; }
}