/* ============================================
   Instagram File Support — Landing Page Styles
   Dark, Minimal, Premium UI
   ============================================ */

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

:root {
    --bg: #0a0a0f;
    --bg-2: #111118;
    --bg-3: #16161f;
    --surface: #1a1a25;
    --surface-2: #222233;
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --text: #e8e8ef;
    --text-2: #9a9ab0;
    --text-3: #65657a;
    --accent: #E040FB;
    --accent-2: #7C4DFF;
    --grad-1: #E040FB;
    --grad-2: #448AFF;
    --grad-3: #7C4DFF;
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --mono: 'JetBrains Mono', 'Fira Code', monospace;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-glow: 0 0 60px rgba(224, 64, 251, 0.15);
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

::selection {
    background: rgba(224, 64, 251, 0.3);
    color: #fff;
}

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

img {
    max-width: 100%;
    display: block;
}

/* ---------- Particle Canvas ---------- */
#particles {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.7;
}

/* ---------- Layout ---------- */
.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    position: relative;
    padding: 120px 0;
    z-index: 1;
}

.section-alt {
    background: var(--bg-2);
}

.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(224, 64, 251, 0.08);
    border: 1px solid rgba(224, 64, 251, 0.15);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: #fff;
}

.section-sub {
    font-size: 1.1rem;
    color: var(--text-2);
    margin-top: 16px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.gradient-text {
    background: linear-gradient(135deg, var(--grad-1), var(--grad-2), var(--grad-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- Navigation ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
}

.logo-icon {
    font-size: 1.4rem;
}

.logo-text {
    background: linear-gradient(135deg, #fff, var(--text-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-2);
    transition: color var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: #fff;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition);
    border-radius: 2px;
}

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

/* Subtle highlight for new nav links */
.nav-link-new {
    color: var(--accent) !important;
}

.nav-link-new::before {
    content: '';
    position: absolute;
    top: -2px;
    right: -8px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    animation: nav-dot-pulse 2s ease-in-out infinite;
}

@keyframes nav-dot-pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.4;
        transform: scale(0.7);
    }
}

.nav-cta {
    background: linear-gradient(135deg, var(--grad-1), var(--grad-3));
    color: #fff !important;
    padding: 8px 20px !important;
    border-radius: 100px;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    transition: transform var(--transition), box-shadow var(--transition) !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(224, 64, 251, 0.3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    /* Smooth open/close */
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition:
        max-height 0.38s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.28s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.32s cubic-bezier(0.4, 0, 0.2, 1),
        padding 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open {
    max-height: 320px;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    padding: 24px;
}

.mobile-menu a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-2);
    padding: 8px 0;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 28px;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--grad-1), var(--grad-3));
    color: #fff;
    box-shadow: 0 4px 24px rgba(224, 64, 251, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(224, 64, 251, 0.4);
}

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

.btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-lg {
    font-size: 1.05rem;
    padding: 18px 36px;
}

.btn-github {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text);
    gap: 10px;
}

.btn-github:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

#ctaIcon {
    display: flex;
    align-items: center;
    justify-content: center;
}

#ctaIcon svg {
    width: 22px;
    height: 22px;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    z-index: 1;
    text-align: center;
}

.hero-content {
    max-width: 740px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(224, 64, 251, 0.06);
    border: 1px solid rgba(224, 64, 251, 0.12);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 28px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.hero-title {
    font-size: clamp(2.8rem, 7vw, 4.5rem);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -0.04em;
    color: #fff;
    margin-bottom: 24px;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--text-2);
    max-width: 520px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.hero-browser-note {
    font-size: 0.8rem;
    color: var(--text-3);
    text-align: center;
    margin-bottom: 36px;
    letter-spacing: 0.03em;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

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

.stat-value {
    display: flex;
    align-items: baseline;
    white-space: nowrap;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.stat-suffix {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-3);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: var(--border);
}

/* ---------- Hero Visual / Mockup ---------- */
.hero-visual {
    margin-top: 64px;
    perspective: 1200px;
    width: 100%;
    max-width: 580px;
}

.mockup-container {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotateX(2deg);
    }

    50% {
        transform: translateY(-12px) rotateX(0deg);
    }
}

.mockup-glow {
    position: absolute;
    inset: -40px;
    background: radial-gradient(ellipse at center, rgba(224, 64, 251, 0.12) 0%, transparent 70%);
    filter: blur(40px);
    z-index: -1;
    pointer-events: none;
}

/* ---------- Extension Showcase ---------- */
.extension-showcase {
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow:
        0 24px 48px rgba(0, 0, 0, 0.4),
        0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.extension-screenshot {
    width: 100%;
    display: block;
    border-bottom: 1px solid var(--border);
}

.extension-caption {
    padding: 24px 28px;
}

.extension-caption-title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.extension-caption-desc {
    font-size: 0.88rem;
    color: var(--text-2);
    line-height: 1.65;
}

.mockup-window {
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow:
        0 24px 48px rgba(0, 0, 0, 0.4),
        0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.mockup-titlebar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border);
}

.mockup-dots {
    display: flex;
    gap: 7px;
}

.mockup-dots span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    opacity: 0.8;
}

.mockup-title {
    font-size: 0.75rem;
    color: var(--text-3);
    font-weight: 500;
}

.mockup-body {
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.mock-chat {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.mock-msg {
    display: flex;
}

.mock-msg-them {
    justify-content: flex-start;
}

.mock-msg-me {
    justify-content: flex-end;
}

.mock-bubble {
    max-width: 75%;
    padding: 10px 16px;
    border-radius: 18px;
    font-size: 0.85rem;
    line-height: 1.5;
    animation: msgSlide 0.5s ease-out both;
}

.mock-msg-them .mock-bubble {
    background: var(--surface-2);
    color: var(--text);
    border-bottom-left-radius: 6px;
}

.mock-msg-me .mock-bubble {
    background: linear-gradient(135deg, #405de6, #833ab4);
    color: #fff;
    border-bottom-right-radius: 6px;
}

.mock-bubble-link {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #1a6b3c, #0d4d2b) !important;
    font-family: var(--mono);
    font-size: 0.78rem !important;
}

.mock-link-icon {
    font-size: 1rem;
}

/* ---------- Download Bubble ---------- */
.mock-bubble-download {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, rgba(124, 77, 255, 0.25), rgba(224, 64, 251, 0.2)) !important;
    border: 1px solid rgba(124, 77, 255, 0.3);
    cursor: pointer;
    padding: 12px 16px !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 85% !important;
}

.mock-bubble-download:hover {
    background: linear-gradient(135deg, rgba(124, 77, 255, 0.35), rgba(224, 64, 251, 0.3)) !important;
    border-color: rgba(124, 77, 255, 0.5);
    transform: scale(1.02);
}

.dl-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.dl-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.dl-label {
    font-weight: 700;
    font-size: 0.85rem;
    color: #fff;
}

.dl-action {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

.dl-arrow {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 300;
    transition: transform 0.3s ease;
}

.mock-bubble-download:hover .dl-arrow {
    transform: translateX(3px);
    color: rgba(255, 255, 255, 0.7);
}

/* ---------- File Manager Overlay ---------- */
.file-manager {
    position: absolute;
    inset: 0;
    background: var(--bg-3);
    display: flex;
    flex-direction: column;
    padding: 20px;
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 0.3s ease;
    z-index: 10;
    pointer-events: none;
}

.file-manager.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.fm-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.fm-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: #fff;
}

.fm-close {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    color: var(--text-2);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: all 0.2s ease;
}

.fm-close:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.fm-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.fm-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(124, 77, 255, 0.15);
    border-radius: 12px;
    transition: all 0.25s ease;
    animation: fmSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.fm-item:nth-child(1) {
    animation-delay: 0.05s;
}

.fm-item:nth-child(2) {
    animation-delay: 0.1s;
}

.fm-item:nth-child(3) {
    animation-delay: 0.15s;
}

.fm-item:nth-child(4) {
    animation-delay: 0.2s;
}

@keyframes fmSlideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fm-item:hover {
    background: rgba(124, 77, 255, 0.08);
    border-color: rgba(124, 77, 255, 0.3);
}

.fm-item-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.fm-item-name {
    flex: 1;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
    font-family: var(--mono);
}

.fm-item-size {
    font-size: 0.72rem;
    color: var(--text-3);
    font-weight: 500;
}

.fm-item-dl {
    background: linear-gradient(135deg, var(--grad-1), var(--grad-3));
    border: none;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.fm-item-dl:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(224, 64, 251, 0.3);
}


/* Subtle orange tint on last file tile */
.fm-item:last-child {
    background: rgba(255, 167, 38, 0.05);
    border-color: rgba(255, 167, 38, 0.18);
}

.fm-item:last-child:hover {
    background: rgba(255, 167, 38, 0.09);
    border-color: rgba(255, 167, 38, 0.3);
}

.fm-item:last-child .fm-item-dl {
    background: linear-gradient(135deg, #FFA726, #FB8C00);
}

@keyframes msgSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mock-input-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--surface);
    border-radius: 100px;
    border: 1px solid var(--border);
}

.mock-attach-btn {
    font-size: 1.2rem;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    padding: 4px;
}

/* Subtler glow for mockup paperclip */
.mock-attach-glow {
    border-radius: 50%;
    background: rgba(224, 64, 251, 0.08) !important;
    box-shadow: 0 0 12px rgba(224, 64, 251, 0.2),
        0 0 4px rgba(224, 64, 251, 0.1);
    transition: all 0.3s ease;
}

.mock-attach-glow:hover {
    background: rgba(224, 64, 251, 0.15) !important;
    box-shadow: 0 0 18px rgba(224, 64, 251, 0.3),
        0 0 6px rgba(224, 64, 251, 0.15);
}

.mock-input {
    flex: 1;
    font-size: 0.82rem;
    color: var(--text-3);
}

.mock-send-btn {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    padding: 4px;
}

/* ---------- Features Grid ---------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent, var(--grad-1)), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    margin-bottom: 20px;
    color: var(--accent, #E040FB);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: rgba(224, 64, 251, 0.08);
    border-color: rgba(224, 64, 251, 0.2);
}

.feature-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}

.feature-desc {
    font-size: 0.88rem;
    color: var(--text-2);
    line-height: 1.65;
}

/* ---------- Steps / How It Works ---------- */
.steps-container {
    max-width: 780px;
    margin: 0 auto;
}

.step {
    display: grid;
    grid-template-columns: auto 1fr 1fr;
    gap: 28px;
    align-items: start;
    padding: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.step:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
    box-shadow: -4px 0 24px rgba(224, 64, 251, 0.06);
}

.step-number {
    font-size: 2.4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--grad-1), var(--grad-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    min-width: 56px;
}

.step-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.step-desc {
    font-size: 0.88rem;
    color: var(--text-2);
    line-height: 1.65;
}

.step-visual {
    display: flex;
    align-items: center;
}

.step-code {
    font-family: var(--mono);
    font-size: 0.78rem;
    line-height: 1.8;
    color: var(--text-2);
    background: rgba(0, 0, 0, 0.3);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    width: 100%;
}

.code-keyword {
    color: var(--accent);
    font-weight: 500;
}

.code-string {
    color: #69F0AE;
}

.code-comment {
    color: var(--text-3);
}

.step-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4px 0;
    margin-left: 56px;
}

.connector-line {
    width: 2px;
    height: 28px;
    background: linear-gradient(180deg, var(--border), var(--accent), var(--border));
    opacity: 0.4;
}

.connector-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.5;
}

/* ---------- Usage Grid ---------- */
.usage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.usage-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: all var(--transition);
    position: relative;
}

.usage-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.usage-step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--grad-1), var(--grad-3));
    color: #fff;
    font-weight: 800;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.usage-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.usage-card p {
    font-size: 0.88rem;
    color: var(--text-2);
    line-height: 1.65;
}

/* ---------- FAQ ---------- */
.faq-list {
    max-width: 680px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

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

.faq-item summary {
    list-style: none;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    transition: color var(--transition);
    user-select: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

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

.faq-chevron {
    transition: transform var(--transition);
    flex-shrink: 0;
    color: var(--text-3);
}

.faq-item[open] .faq-chevron {
    transform: rotate(180deg);
    color: var(--accent);
}

.faq-answer {
    padding: 0 24px 20px;
    font-size: 0.88rem;
    color: var(--text-2);
    line-height: 1.7;
    animation: faqOpen 0.3s ease-out;
}

@keyframes faqOpen {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- CTA Section ---------- */
.cta-section {
    padding: 80px 0 120px;
}

.cta-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 80px 48px;
    text-align: center;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(224, 64, 251, 0.12), transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: #fff;
    margin-bottom: 16px;
}

.cta-sub {
    font-size: 1.05rem;
    color: var(--text-2);
    margin-bottom: 36px;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}

.cta-note {
    font-size: 0.78rem;
    color: var(--text-3);
    margin-top: 20px;
}

/* ---------- Footer ---------- */
.footer {
    border-top: 1px solid var(--border);
    padding: 48px 0 36px;
    position: relative;
    z-index: 1;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
}

.footer-top {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.05rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 28px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-2);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    width: 100%;
}

.footer-disclaimer {
    font-size: 0.78rem;
    color: var(--text-3);
    line-height: 1.6;
}

.footer-author {
    font-size: 0.78rem;
    color: var(--text-3);
}

/* ---------- Scroll Animations ---------- */
.anim-fade-up {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: var(--delay, 0s);
}

.anim-fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

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

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--surface-2);
    border-radius: 100px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-3);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {

    .features-grid,
    .usage-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .step {
        grid-template-columns: auto 1fr;
    }

    .step-visual {
        grid-column: 1 / -1;
    }

    .step-connector {
        margin-left: 28px;
    }
}

@media (max-width: 680px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

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

    .hero {
        padding: 100px 20px 60px;
    }

    .hero-title {
        font-size: clamp(2.2rem, 8vw, 3.2rem);
    }

    .hero-stats {
        gap: 12px;
        flex-wrap: nowrap;
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .stat-suffix {
        font-size: 1.4rem;
    }

    .stat-label {
        font-size: 0.68rem;
    }

    .stat-divider {
        height: 20px;
    }

    .section {
        padding: 80px 0;
    }

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

    .step {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .step-number {
        font-size: 1.8rem;
    }

    .step-connector {
        margin-left: 16px;
    }

    .cta-card {
        padding: 48px 24px;
    }

    .footer-top {
        flex-direction: column;
        align-items: center;
        gap: 16px;
        text-align: center;
    }

    .footer-bottom {
        text-align: center;
    }
}