/* ========================================
   MacBon — Apple-style Light Theme
   ======================================== */

:root {
    --bg: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-card: #ffffff;
    --text: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-tertiary: #86868b;
    --border: #d2d2d7;
    --border-light: #e8e8ed;
    --purple: #7c3aed;
    --blue: #0071e3;
    --blue-hover: #0077ED;
    --gradient: linear-gradient(135deg, #7c3aed, #2563eb, #0ea5e9);
    --gradient-warm: linear-gradient(135deg, #f97316, #ec4899, #7c3aed);
    --radius: 20px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', sans-serif;
    --font-display: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
}

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

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: 1.5;
    overflow-x: hidden;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 22px;
}

.container-wide {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 22px;
}

/* ── Nav ── */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 22px;
    height: 52px;
    background: rgba(255,255,255,0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    display: flex;
    align-items: center;
}

.nav-inner {
    max-width: 980px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-icon {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--purple);
}

.nav-icon.small { gap: 2px; }
.nav-icon.small svg { width: 16px; height: 16px; }

.vibe-line {
    display: inline-block;
    width: 1.5px;
    background: currentColor;
    border-radius: 2px;
}

.vibe-line.l1 { height: 10px; opacity: 0.6; }
.vibe-line.l2 { height: 6px; opacity: 0.3; }
.nav-icon.small .vibe-line.l1 { height: 8px; }
.nav-icon.small .vibe-line.l2 { height: 4px; }

.vibe-line.left.l2 { order: -1; }
.vibe-line.right.l2 { order: 1; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* ── Buttons ── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 980px;
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(.25,.1,.25,1);
    cursor: pointer;
    border: none;
    font-family: var(--font);
    letter-spacing: -0.01em;
}

.btn-sm { padding: 8px 18px; font-size: 0.82rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }

.btn-primary {
    background: var(--blue);
    color: white;
}
.btn-primary:hover {
    background: var(--blue-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--blue);
    padding: 16px 8px;
}
.btn-ghost:hover {
    text-decoration: underline;
}

.btn-dark {
    background: var(--text);
    color: white;
}
.btn-dark:hover {
    background: #333;
}

.btn-nav {
    background: var(--blue);
    color: white;
    border-radius: 980px;
    padding: 6px 16px;
    font-size: 0.82rem;
}

/* ── Hero ── */

.hero {
    padding: 100px 22px 40px;
    text-align: center;
    overflow: hidden;
    background: var(--bg);
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--purple);
    margin-bottom: 16px;
    letter-spacing: 0.01em;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.035em;
    margin-bottom: 20px;
    color: var(--text);
}

.hero h1 em {
    font-style: normal;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.3rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 36px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

/* ── Hero Visual — MacBook Demo ── */

.hero-visual {
    position: relative;
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
}

.mac-demo {
    position: relative;
    width: 100%;
    padding-bottom: 30px;
}

/* MacBook body */
.mac-body {
    position: relative;
    width: 65%;
    margin: 0 auto;
    filter: drop-shadow(0 8px 40px rgba(0,0,0,0.10));
}

/* Screen */
.mac-screen {
    background: linear-gradient(180deg, #e2e2e5, #d5d5d8);
    border-radius: 14px 14px 0 0;
    padding: 8px 8px 0 8px;
    position: relative;
}

.mac-screen::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: #555;
    border-radius: 50%;
    opacity: 0.3;
}

.mac-screen-inner {
    background: #1d1d1f;
    border-radius: 8px 8px 0 0;
    overflow: hidden;
    aspect-ratio: 16/10;
    display: flex;
    flex-direction: column;
}

.mac-screen-bar {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 10px;
    background: rgba(255,255,255,0.04);
}

.bar-dot { width: 7px; height: 7px; border-radius: 50%; }
.bar-dot.red { background: #ff5f57; }
.bar-dot.yellow { background: #ffbd2e; }
.bar-dot.green { background: #28c840; }

.bar-title {
    margin-left: auto;
    font-size: 0.6rem;
    color: rgba(255,255,255,0.25);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.mac-screen-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Toast in screen */
.mac-toast {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 980px;
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    opacity: 0;
    transform: scale(0.9) translateY(6px);
    transition: all 0.3s cubic-bezier(.34,1.56,.64,1);
}

.mac-toast.show {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.mac-toast-icon { font-size: 1.1rem; }

/* Keyboard area */
.mac-keyboard {
    background: linear-gradient(180deg, #c8c8cc, #bbbbbe);
    height: 6px;
    position: relative;
}

.keyboard-keys {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent 0px,
        transparent 3px,
        rgba(0,0,0,0.04) 3px,
        rgba(0,0,0,0.04) 4px
    );
}

/* Bottom area with trackpad and tap zones */
.mac-bottom {
    background: linear-gradient(180deg, #bbbbbe, #b0b0b4);
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    position: relative;
    padding: 0 24px;
}

.mac-trackpad {
    width: 34%;
    height: 52px;
    background: linear-gradient(180deg, #a8a8ad, #a0a0a5);
    border-radius: 6px;
    border: 1px solid rgba(0,0,0,0.06);
    position: relative;
    z-index: 1;
}

/* Tap zones — the areas beside trackpad */
.tap-zone {
    flex: 1;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Ripple effect */
.zone-ripple {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--purple);
    opacity: 0;
    pointer-events: none;
}

.zone-left .zone-ripple { left: 45%; top: 45%; transform: translate(-50%,-50%); }
.zone-right .zone-ripple { right: 45%; top: 45%; transform: translate(50%,-50%); }

.zone-ripple.active {
    animation: zoneRipple 0.6s ease-out forwards;
}

.zone-ripple.r2.active {
    animation: zoneRipple 0.6s ease-out 0.08s forwards;
}

@keyframes zoneRipple {
    0% { opacity: 0.6; transform: translate(-50%,-50%) scale(0.3); }
    100% { opacity: 0; transform: translate(-50%,-50%) scale(2.5); }
}

.zone-right .zone-ripple.active {
    animation: zoneRippleR 0.6s ease-out forwards;
}
.zone-right .zone-ripple.r2.active {
    animation: zoneRippleR 0.6s ease-out 0.08s forwards;
}

@keyframes zoneRippleR {
    0% { opacity: 0.6; transform: translate(50%,-50%) scale(0.3); }
    100% { opacity: 0; transform: translate(50%,-50%) scale(2.5); }
}

/* Glow on tap zone when tapped */
.tap-zone.tapped::after {
    content: '';
    position: absolute;
    inset: 15%;
    background: radial-gradient(circle, rgba(124,58,237,0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: zoneGlow 0.5s ease-out forwards;
}

@keyframes zoneGlow {
    0% { opacity: 1; transform: scale(0.5); }
    100% { opacity: 0; transform: scale(1.5); }
}

/* Bottom edge */
.mac-edge {
    background: linear-gradient(180deg, #a5a5aa, #9a9a9f);
    height: 5px;
    border-radius: 0 0 8px 8px;
}

/* ── Hand animation ── */

.demo-hand {
    position: absolute;
    width: 48px;
    height: 64px;
    z-index: 10;
    pointer-events: none;
    bottom: 30px;
    right: 20%;
    transition: none;
    filter: drop-shadow(0 4px 12px rgba(124,58,237,0.2));
}

/* ── Action bubbles ── */

.action-bubble {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: white;
    border-radius: 980px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    opacity: 0;
    transform: scale(0.5) translateY(10px);
    pointer-events: none;
    z-index: 20;
    transition: none;
}

.action-bubble.pop {
    animation: bubblePop 1.8s cubic-bezier(.34,1.56,.64,1) forwards;
}

.bubble-emoji { font-size: 1.2rem; }
.bubble-label { letter-spacing: -0.01em; }

/* Each bubble gets a unique position around the MacBook */
.bubble-1 { bottom: 65%; left: 0%; }
.bubble-2 { bottom: 70%; right: -2%; }
.bubble-3 { bottom: 50%; left: -6%; }
.bubble-4 { bottom: 55%; right: -6%; }
.bubble-5 { bottom: 35%; left: -4%; }
.bubble-6 { bottom: 40%; right: -4%; }
.bubble-7 { bottom: 20%; left: 0%; }
.bubble-8 { bottom: 25%; right: 0%; }

@keyframes bubblePop {
    0% {
        opacity: 0;
        transform: scale(0.4) translateY(20px);
    }
    15% {
        opacity: 1;
        transform: scale(1.05) translateY(-10px);
    }
    25% {
        transform: scale(1) translateY(-15px);
    }
    70% {
        opacity: 1;
        transform: scale(1) translateY(-20px);
    }
    100% {
        opacity: 0;
        transform: scale(0.8) translateY(-40px);
    }
}

/* ── Stats Ribbon ── */

.proof {
    padding: 32px 0;
    background: var(--bg-secondary);
}

.proof-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.proof-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.proof-number {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}

.proof-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

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

/* ── Section Headers ── */

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 56px;
}

.section-eyebrow {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--purple);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 12px;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    color: var(--text);
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.5;
    letter-spacing: -0.005em;
}

/* ── Features ── */

.features {
    padding: 100px 0;
    background: var(--bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: all 0.4s cubic-bezier(.25,.1,.25,1);
}

.feature-card:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 40px rgba(0,0,0,0.06);
}

.feature-card.card-hero {
    grid-column: span 3;
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 44px 40px;
    background: linear-gradient(135deg, #f5f0ff, #eef4ff, #f0faff);
}

.card-hero-text {
    flex: 1;
    min-width: 0;
}

.card-hero-visual {
    flex: 1.2;
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    color: var(--text);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* Action pills */
.actions-showcase {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.action-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 16px;
    background: white;
    border-radius: 980px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    transition: all 0.3s;
    white-space: nowrap;
}

.action-pill:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    color: var(--text);
}

.action-pill span { font-size: 0.95rem; }

/* ── How It Works ── */

.how {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.step {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.step:nth-child(even) {
    direction: rtl;
}
.step:nth-child(even) > * {
    direction: ltr;
}

.step-visual {
    display: flex;
    justify-content: center;
}

.tap-demo {
    position: relative;
    width: 200px;
    height: 160px;
}

.demo-mac {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
}

.demo-screen {
    background: #f5f5f7;
    border-radius: 6px 6px 0 0;
    border: 2px solid #d2d2d7;
    aspect-ratio: 16/10;
}

.demo-base {
    background: linear-gradient(180deg, #d8d8dc, #c0c0c4);
    height: 6px;
    border-radius: 0 0 2px 2px;
}

.demo-hand {
    position: absolute;
    width: 30px;
    height: 30px;
    right: 18%;
    top: 5%;
    z-index: 2;
}

.demo-hand::before {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    background: var(--purple);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    opacity: 0.7;
}

.hand-1 { animation: demoTap1 2.5s ease-in-out infinite; }
.hand-2 { animation: demoTap2 2.5s ease-in-out infinite; }
.hand-3 { animation: demoTap3 3s ease-in-out infinite; }

@keyframes demoTap1 {
    0%, 100% { transform: translateY(0); }
    40% { transform: translateY(26px); }
    50% { transform: translateY(22px); }
    65% { transform: translateY(0); }
}

@keyframes demoTap2 {
    0%, 100% { transform: translateY(0); }
    25% { transform: translateY(26px); }
    32% { transform: translateY(18px); }
    42% { transform: translateY(26px); }
    50% { transform: translateY(18px); }
    65% { transform: translateY(0); }
}

@keyframes demoTap3 {
    0%, 100% { transform: translateY(0); }
    20% { transform: translateY(26px); }
    26% { transform: translateY(16px); }
    34% { transform: translateY(26px); }
    40% { transform: translateY(16px); }
    48% { transform: translateY(26px); }
    54% { transform: translateY(16px); }
    70% { transform: translateY(0); }
}

.demo-ripple {
    position: absolute;
    top: 50%; left: 50%;
    width: 36px; height: 36px;
    margin: -18px 0 0 -18px;
    border: 1.5px solid var(--purple);
    border-radius: 50%;
    opacity: 0;
}

.hand-1 .demo-ripple { animation: demoRipple1 2.5s ease-out infinite; }
.hand-2 .demo-ripple { animation: demoRipple2 2.5s ease-out infinite; }
.hand-2 .demo-ripple.r2 { animation: demoRipple2b 2.5s ease-out infinite; }
.hand-3 .demo-ripple { animation: demoRipple3a 3s ease-out infinite; }
.hand-3 .demo-ripple.r2 { animation: demoRipple3b 3s ease-out infinite; }
.hand-3 .demo-ripple.r3 { animation: demoRipple3c 3s ease-out infinite; }

@keyframes demoRipple1 { 0%,39%{opacity:0;transform:scale(.5)}42%{opacity:.5;transform:scale(.8)}65%{opacity:0;transform:scale(2.5)}100%{opacity:0} }
@keyframes demoRipple2 { 0%,24%{opacity:0;transform:scale(.5)}27%{opacity:.5;transform:scale(.8)}50%{opacity:0;transform:scale(2.5)}100%{opacity:0} }
@keyframes demoRipple2b { 0%,40%{opacity:0;transform:scale(.5)}43%{opacity:.5;transform:scale(.8)}65%{opacity:0;transform:scale(2.5)}100%{opacity:0} }
@keyframes demoRipple3a { 0%,19%{opacity:0;transform:scale(.5)}22%{opacity:.5;transform:scale(.8)}40%{opacity:0;transform:scale(2.5)}100%{opacity:0} }
@keyframes demoRipple3b { 0%,33%{opacity:0;transform:scale(.5)}36%{opacity:.5;transform:scale(.8)}55%{opacity:0;transform:scale(2.5)}100%{opacity:0} }
@keyframes demoRipple3c { 0%,47%{opacity:0;transform:scale(.5)}50%{opacity:.5;transform:scale(.8)}70%{opacity:0;transform:scale(2.5)}100%{opacity:0} }

.step-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.step-number {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.2;
    line-height: 1;
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text);
}

.step-content p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(124,58,237,0.08);
    border-radius: 980px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--purple);
    width: fit-content;
}

/* ── Settings Preview ── */

.preview {
    padding: 100px 0;
    background: var(--bg);
}

.preview-layout {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 64px;
    align-items: center;
}

.preview-text h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
    line-height: 1.1;
    color: var(--text);
}

.preview-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.preview-list li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.list-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    width: 32px;
    text-align: center;
}

.preview-list li div { display: flex; flex-direction: column; gap: 1px; }

.preview-list li strong {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
}

.preview-list li span:not(.list-icon) {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* Settings Window */
.preview-window {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 2px 40px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04);
}

.window-chrome {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
}

.window-dots { display: flex; gap: 6px; }

.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28c840; }

.window-title {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 600;
    margin-left: auto;
    margin-right: auto;
}

.window-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.setting-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.setting-slider {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    max-width: 200px;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.slider-track {
    flex: 1;
    height: 4px;
    background: var(--border-light);
    border-radius: 99px;
    position: relative;
}

.slider-fill {
    height: 100%;
    background: var(--blue);
    border-radius: 99px;
    position: relative;
}

.slider-thumb {
    position: absolute;
    right: -7px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15), 0 0 0 0.5px rgba(0,0,0,0.04);
}

.setting-select {
    padding: 6px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xs);
    font-size: 0.82rem;
    color: var(--text);
    font-weight: 500;
}

.setting-divider {
    height: 1px;
    background: var(--border-light);
}

/* ── Download CTA ── */

.download {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.download-card {
    text-align: center;
    padding: 80px 40px;
}

.download-card h2 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: -0.035em;
    color: var(--text);
}

.download-card > p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    letter-spacing: -0.005em;
}

.download-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-bottom: 24px;
}

.download-meta {
    display: flex;
    justify-content: center;
    gap: 12px;
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

.download-meta span { white-space: nowrap; }

/* ── Install Guide ── */

.install {
    padding: 100px 0 100px;
    background: var(--bg);
}

.install-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 48px;
}

.install-step {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: all 0.3s;
}

.install-step:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.05);
}

.install-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--text);
    border-radius: 50%;
    font-size: 0.9rem;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.install-num.alt {
    background: var(--bg);
    color: var(--text);
    border: 1.5px solid var(--border);
}

.install-step h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
    letter-spacing: -0.01em;
}

.install-step p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.install-code {
    margin-top: 10px;
    padding: 8px 14px;
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xs);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.76rem;
    color: var(--purple);
}

/* ── Footer ── */

.footer {
    padding: 32px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text);
}

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

/* ── Scroll Animations ── */

.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(.25,.1,.25,1), transform 0.7s cubic-bezier(.25,.1,.25,1);
}

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

/* ── Responsive ── */

@media (max-width: 900px) {
    .features-grid { grid-template-columns: 1fr; }
    .feature-card.card-hero { grid-column: 1; flex-direction: column; }
    .step { grid-template-columns: 1fr; gap: 24px; }
    .step:nth-child(even) { direction: ltr; }
    .step-visual { order: -1; }
    .preview-layout { grid-template-columns: 1fr; }
    .install-steps { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .nav-links a:not(.btn-nav) { display: none; }
    .hero h1 { font-size: 2.6rem; }
    .hero-sub { font-size: 1.1rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .proof-grid { gap: 24px; }
    .proof-divider { display: none; }
    .download-card { padding: 60px 24px; }
    .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}