/* ============================
   HYSKIES — Design System
   Colors: &b = #55FFFF (aqua), &f = #FFFFFF (white)
   ============================ */

/* --- CSS Variables --- */
:root {
    --aqua: #55FFFF;
    --aqua-dim: #3ad8d8;
    --aqua-glow: rgba(85, 255, 255, 0.3);
    --aqua-subtle: rgba(85, 255, 255, 0.08);
    --white: #FFFFFF;
    --bg-primary: #0a0e17;
    --bg-secondary: #0f1522;
    --bg-card: #131b2e;
    --bg-card-hover: #182240;
    --text-primary: #e8eaf0;
    --text-secondary: #8892a8;
    --text-muted: #4a5568;
    --border-color: rgba(85, 255, 255, 0.1);
    --border-hover: rgba(85, 255, 255, 0.25);
    --font-body: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.35s ease;
    --transition-slow: 0.6s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.text-aqua {
    color: var(--aqua);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-medium);
    backdrop-filter: blur(0px);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--white);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-icon-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    filter: drop-shadow(0 0 8px var(--aqua-glow));
}

.logo-text {
    letter-spacing: -0.02em;
}

.logo-gradient {
    background: linear-gradient(135deg, var(--aqua), #3b82f6, var(--aqua));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 4s ease infinite;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--aqua);
    border-radius: 1px;
    transition: width var(--transition-medium);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: linear-gradient(135deg, var(--aqua-dim), var(--aqua));
    border: none;
    border-radius: var(--radius-xl);
    color: var(--bg-primary);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 0 20px rgba(85, 255, 255, 0.15);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 30px rgba(85, 255, 255, 0.3);
}

.cta-icon {
    font-size: 0.7rem;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('hero-bg.png') center/cover no-repeat;
    opacity: 0.35;
    filter: brightness(0.7);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 50% 0%, rgba(85, 255, 255, 0.08) 0%, transparent 60%),
        linear-gradient(to bottom, transparent 50%, var(--bg-primary) 100%);
}

.hero-particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--aqua);
    border-radius: 50%;
    opacity: 0;
    animation: float-particle linear infinite;
}

@keyframes float-particle {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 0.8;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: translateY(-10vh) scale(1.2);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 0 24px;
    max-width: 800px;
    animation: fadeInUp 1s ease forwards;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--aqua-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--aqua);
    margin-bottom: 24px;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease 0.3s backwards;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, var(--aqua), var(--white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    display: block;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    -webkit-text-fill-color: var(--text-secondary);
    background: none;
    margin-top: 8px;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.4s backwards;
}

/* --- IP Copy Box --- */
.hero-ip-box {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 16px 36px;
    background: rgba(85, 255, 255, 0.05);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    margin-bottom: 44px;
    animation: fadeInUp 1s ease 0.5s backwards;
}

.hero-ip-box:hover {
    border-color: var(--border-hover);
    background: rgba(85, 255, 255, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(85, 255, 255, 0.08);
}

.hero-ip-box:active {
    transform: translateY(0);
}

.ip-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.ip-address {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ip-text {
    font-family: var(--font-mono);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--aqua);
    letter-spacing: 0.02em;
}

.ip-copy-icon {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
}

.hero-ip-box:hover .ip-copy-icon {
    color: var(--aqua);
}

.ip-copied-toast {
    position: absolute;
    bottom: -36px;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    padding: 6px 14px;
    background: var(--aqua);
    color: var(--bg-primary);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.ip-copied-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* --- Hero Stats --- */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 36px;
    animation: fadeInUp 1s ease 0.6s backwards;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-plus, .stat-percent {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--aqua);
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* --- Scroll Indicator --- */
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: fadeInUp 1s ease 0.8s backwards;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: var(--aqua);
    border-radius: 2px;
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(8px); opacity: 0.3; }
}

/* --- Features --- */
.features {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--aqua-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--aqua);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 36px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-medium);
    opacity: 0;
    transform: translateY(24px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 32px rgba(85, 255, 255, 0.04);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--aqua-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--aqua);
    margin-bottom: 20px;
    transition: all var(--transition-medium);
}

.feature-card:hover .feature-icon {
    background: rgba(85, 255, 255, 0.12);
    border-color: var(--border-hover);
    box-shadow: 0 0 20px rgba(85, 255, 255, 0.1);
}

.feature-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--white);
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* --- Community / CTA --- */
.community {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.community-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.community-text {
    position: relative;
    z-index: 1;
}

.community-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 16px 0 36px;
    line-height: 1.8;
}

.community-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 36px;
}

.step {
    display: flex;
    align-items: center;
    gap: 16px;
}

.step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--aqua-subtle);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--aqua);
    flex-shrink: 0;
}

.step-text {
    display: flex;
    flex-direction: column;
}

.step-text strong {
    font-weight: 600;
    color: var(--white);
    font-size: 0.95rem;
}

.step-text span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.copy-btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--aqua-dim), var(--aqua));
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 24px rgba(85, 255, 255, 0.2);
}

.copy-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px rgba(85, 255, 255, 0.35);
}

.copy-btn:active {
    transform: translateY(0);
}

.copy-btn-text {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--bg-primary);
}

.copy-btn-label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(10, 14, 23, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Community Visual */
.community-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.glow-orb {
    position: absolute;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(85, 255, 255, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: orb-pulse 4s ease-in-out infinite;
}

@keyframes orb-pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.15); opacity: 1; }
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    animation: float 6s ease-in-out infinite;
}

.floating-card .card-emoji {
    font-size: 1.4rem;
}

.floating-card .card-text {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--white);
}

.card-1 { top: 10%; left: 15%; animation-delay: 0s; }
.card-2 { top: 20%; right: 10%; animation-delay: 1.5s; }
.card-3 { bottom: 25%; left: 5%; animation-delay: 3s; }
.card-4 { bottom: 10%; right: 15%; animation-delay: 4.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-16px); }
}

/* --- FAQ --- */
.faq {
    padding: 120px 0;
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-item.active {
    border-color: var(--border-hover);
    background: var(--bg-card);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--aqua);
}

.faq-icon {
    font-size: 1.4rem;
    color: var(--aqua);
    transition: transform var(--transition-medium);
    flex-shrink: 0;
    margin-left: 12px;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium), padding var(--transition-medium);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- Footer --- */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 60px 0 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-brand {
    max-width: 360px;
}

.footer-brand .nav-logo {
    margin-bottom: 16px;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-links-group {
    display: flex;
    gap: 64px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}

.footer-col a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--aqua);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- Mobile Responsive --- */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .community-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .community-visual {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(10, 14, 23, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 28px;
        z-index: 999;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links .nav-link {
        font-size: 1.3rem;
    }

    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-btn.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .mobile-menu-btn.open span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-btn.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .hero-ip-box {
        padding: 14px 24px;
    }

    .ip-text {
        font-size: 1.1rem;
    }

    .footer-top {
        flex-direction: column;
        gap: 36px;
    }

    .footer-links-group {
        gap: 48px;
    }

    .community-visual {
        display: none;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }
}