:root {
    --bg: #0a0a0a;
    --bg-elev: #121212;
    --bg-card: #141414;
    --border: #1f1f1f;
    --border-strong: #2a2a2a;
    --text: #ededed;
    --text-muted: #8a8a8a;
    --text-dim: #6a6a6a;
    --accent: #c4f82a;
    --accent-hover: #d5ff4d;
    --accent-ink: #0a0a0a;
    --radius: 16px;
    --radius-lg: 24px;
    --max-width: 1120px;
    --section-pad: 120px;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: clip;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: clip;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ==========  NAV  ========== */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
}

.nav.is-scrolled {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(10, 10, 10, 0.7);
    border-bottom-color: rgba(255, 255, 255, 0.04);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.02em;
}

.logo-mark {
    font-size: 18px;
    color: var(--accent);
}

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

.nav-links a {
    color: var(--text-muted);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.15s ease;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-cta {
    background: var(--accent);
    color: var(--accent-ink) !important;
    padding: 9px 16px;
    border-radius: 999px;
    font-weight: 600;
    transition: transform 0.15s ease, background 0.15s ease;
}

.nav-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    color: var(--accent-ink) !important;
}

/* ==========  BUTTONS  ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 16px;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
    cursor: pointer;
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: var(--accent-ink);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border-strong);
}

.btn-ghost:hover {
    border-color: var(--text);
    transform: translateY(-2px);
}

.btn-large {
    padding: 20px 36px;
    font-size: 18px;
}

.arrow {
    transition: transform 0.2s ease;
    display: inline-block;
}

.btn:hover .arrow {
    transform: translateX(4px);
}

.btn:active {
    transform: scale(0.97);
}

/* ==========  HERO  ========== */
.hero {
    padding: 96px 0 120px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -280px;
    left: 50%;
    transform: translateX(-50%);
    width: 1100px;
    height: 700px;
    background: radial-gradient(ellipse at center, rgba(196, 248, 42, 0.1), transparent 65%);
    pointer-events: none;
    z-index: 0;
}

.hero > .container {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 32px;
    background: rgba(255, 255, 255, 0.02);
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 0 0 var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(196, 248, 42, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(196, 248, 42, 0); }
    100% { box-shadow: 0 0 0 0 rgba(196, 248, 42, 0); }
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(48px, 9vw, 104px);
    line-height: 0.96;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
    max-width: 900px;
}

.accent {
    color: var(--accent);
    font-style: italic;
}

.hero-sub {
    font-size: clamp(17px, 1.6vw, 20px);
    color: var(--text-muted);
    max-width: 620px;
    margin-bottom: 40px;
    line-height: 1.55;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 72px;
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    padding-top: 48px;
    border-top: 1px solid var(--border);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

.meta-label {
    font-size: 13px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

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

/* ==========  SECTIONS  ========== */
section {
    padding: var(--section-pad) 0;
}

.section-head {
    max-width: 680px;
    margin-bottom: 64px;
}

.eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.section-sub {
    font-size: 18px;
    color: var(--text-muted);
    line-height: 1.55;
}

/* ==========  OFFER  ========== */
.offer {
    border-top: 1px solid var(--border);
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    position: relative;
    padding: 36px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
}

.card-featured {
    background: linear-gradient(180deg, rgba(196, 248, 42, 0.04), var(--bg-card));
    border-color: rgba(196, 248, 42, 0.25);
}

.card-featured:hover {
    border-color: rgba(196, 248, 42, 0.5);
}

.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: var(--accent-ink);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 5px 10px;
    border-radius: 999px;
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(196, 248, 42, 0.08);
    color: var(--accent);
    font-size: 22px;
    margin-bottom: 24px;
}

.card-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}

.card-body {
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.55;
}

.card-list {
    list-style: none;
    padding: 0;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.card-list li {
    position: relative;
    padding-left: 22px;
    font-size: 14.5px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.card-list li:last-child {
    margin-bottom: 0;
}

.card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* ==========  FAQ  ========== */
.faq {
    border-top: 1px solid var(--border);
}

.accordion {
    max-width: 820px;
    margin: 0 auto;
}

.accordion-item {
    border-bottom: 1px solid var(--border);
}

.accordion-item:first-of-type {
    border-top: 1px solid var(--border);
}

.accordion-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 4px;
    cursor: pointer;
    list-style: none;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(18px, 2vw, 22px);
    font-weight: 500;
    letter-spacing: -0.01em;
    transition: color 0.15s ease;
}

.accordion-head::-webkit-details-marker {
    display: none;
}

.accordion-head:hover {
    color: var(--accent);
}

.accordion-icon {
    position: relative;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

.accordion-icon::before,
.accordion-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 2px;
    background: var(--text);
    transform: translate(-50%, -50%);
    transition: background 0.15s ease;
}

.accordion-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
    transition: transform 0.25s ease, background 0.15s ease;
}

.accordion-item[open] .accordion-icon::after {
    transform: translate(-50%, -50%) rotate(0deg);
}

.accordion-head:hover .accordion-icon::before,
.accordion-head:hover .accordion-icon::after {
    background: var(--accent);
}

.accordion-body {
    padding: 0 4px 28px;
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.65;
    max-width: 680px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========  CONTACT  ========== */
.contact {
    text-align: center;
    border-top: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 500px;
    background: radial-gradient(ellipse at center, rgba(196, 248, 42, 0.06), transparent 60%);
    pointer-events: none;
}

.contact > .container {
    position: relative;
    z-index: 1;
}

/* Pulsing ripple rings on the contact CTA */
.contact .btn-primary {
    position: relative;
    isolation: isolate;
}

.contact .btn-primary::before,
.contact .btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    z-index: -1;
    pointer-events: none;
    animation: btn-pulse 3.2s cubic-bezier(0.23, 1, 0.32, 1) infinite;
}

.contact .btn-primary::after {
    animation-delay: 1.6s;
}

@keyframes btn-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(196, 248, 42, 0.5);
    }
    100% {
        box-shadow: 0 0 0 32px rgba(196, 248, 42, 0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .contact .btn-primary::before,
    .contact .btn-primary::after {
        animation: none;
    }
}

.contact-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.contact-sub {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========  FOOTER  ========== */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 16px;
}

.footer-meta {
    font-size: 14px;
    color: var(--text-dim);
}

/* ==========  RESPONSIVE  ========== */
@media (max-width: 820px) {
    :root {
        --section-pad: 80px;
    }

    .nav-links {
        gap: 16px;
    }

    .nav-links a:not(.nav-cta) {
        display: none;
    }

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

    .hero {
        padding: 64px 0 88px;
    }

    .hero-meta {
        gap: 24px;
    }

    .meta-divider {
        display: none;
    }

    .meta-num {
        font-size: 26px;
    }

    .section-head {
        margin-bottom: 48px;
    }

    .btn-large {
        padding: 18px 28px;
        font-size: 17px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-cta .btn {
        width: 100%;
    }
}

/* ==========  REVEAL ANIMATIONS  ========== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}