/* ---------- Design Tokens ---------- */
:root {
    --ink: #0B0F1A;
    --ink-soft: #1E2433;
    --muted: #5A6478;
    --muted-soft: #8A94A6;
    --line: #E8EAED;
    --line-soft: #F0F2F5;
    --bg: #FFFFFF;
    --bg-tint: #FAFAF8;
    --bg-panel: #F6F7F9;
    --accent: #0052CC;
    --accent-hover: #003F9E;
    --accent-soft: #E8EFFC;
    --accent-ink: #001D5E;

    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 28px;

    --shadow-sm: 0 1px 2px rgba(10, 15, 26, 0.04), 0 1px 1px rgba(10, 15, 26, 0.03);
    --shadow-md: 0 4px 12px rgba(10, 15, 26, 0.06), 0 1px 2px rgba(10, 15, 26, 0.04);
    --shadow-lg: 0 20px 40px -12px rgba(10, 15, 26, 0.12), 0 8px 16px -8px rgba(10, 15, 26, 0.06);
    --shadow-accent: 0 10px 28px -8px rgba(0, 82, 204, 0.35);

    --ease: cubic-bezier(0.22, 1, 0.36, 1);

    --container-pad: 24px;
    --section-pad: 120px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01" on, "cv11" on;
    overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

::selection { background: var(--accent); color: white; }

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 var(--container-pad);
}
.container-narrow { max-width: 820px; }

.section {
    padding: var(--section-pad) 0;
    position: relative;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.08;
    color: var(--ink);
}
h1 {
    font-size: clamp(2rem, 6vw, 4.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.06;
}
h2 {
    font-size: clamp(1.75rem, 4.4vw, 3rem);
    line-height: 1.1;
}
h3 { font-size: 1.25rem; line-height: 1.3; }

p { color: var(--muted); }

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
}
.section-tag::before {
    content: '';
    width: 18px;
    height: 1.5px;
    background: var(--accent);
    border-radius: 2px;
}
.section-tag-light { color: rgba(255, 255, 255, 0.9); }
.section-tag-light::before { background: rgba(255, 255, 255, 0.9); }

.section-head {
    max-width: 720px;
    margin-bottom: 64px;
}
.section-head h2 {
    margin-bottom: 20px;
    text-wrap: balance;
    max-width: 18ch;
}
.section-sub {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--muted);
    max-width: 52ch;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: -0.005em;
    border-radius: 999px;
    padding: 14px 22px;
    transition: transform 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.25s var(--ease), color 0.2s var(--ease);
    white-space: nowrap;
    cursor: pointer;
    will-change: transform;
    min-height: 44px;
}
.btn svg { transition: transform 0.3s var(--ease); flex-shrink: 0; }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: var(--shadow-accent);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 14px 32px -6px rgba(0, 82, 204, 0.45);
}
.btn-primary:active { transform: translateY(0); }

.btn-sm { padding: 10px 18px; font-size: 0.9rem; min-height: 40px; }
.btn-lg { padding: 17px 28px; font-size: 1rem; min-height: 52px; }

.btn-link {
    color: var(--muted);
    font-weight: 500;
    padding: 14px 8px;
    position: relative;
}
.btn-link::after {
    content: '';
    position: absolute;
    left: 8px;
    right: 8px;
    bottom: 10px;
    height: 1px;
    background: var(--muted);
    opacity: 0.35;
    transition: opacity 0.2s var(--ease);
}
.btn-link:hover { color: var(--ink); }
.btn-link:hover::after { opacity: 0.7; }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--line); }
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px var(--container-pad);
    max-width: 1160px;
    margin: 0 auto;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    color: var(--ink);
    flex-shrink: 0;
}
.logo-mark {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    background: var(--accent);
    color: #fff;
    border-radius: 8px;
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: -0.02em;
    box-shadow: 0 2px 4px rgba(0, 82, 204, 0.25);
    flex-shrink: 0;
}
.header-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-link {
    font-size: 0.92rem;
    color: var(--muted);
    font-weight: 500;
    transition: color 0.15s var(--ease);
}
.nav-link:hover { color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
    padding: 96px 0 120px;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0, 82, 204, 0.06) 0%, transparent 60%),
        var(--bg);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(0, 82, 204, 0.035) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 82, 204, 0.035) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 70% 50% at 50% 40%, black 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 40%, black 0%, transparent 75%);
    pointer-events: none;
}
.hero-inner {
    text-align: center;
    max-width: 860px;
    margin: 0 auto;
    position: relative;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ink-soft);
    padding: 8px 16px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 32px;
    max-width: 100%;
}
.status-dot {
    width: 8px;
    height: 8px;
    background: #16A34A;
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.18);
    animation: pulse 2s var(--ease) infinite;
    flex-shrink: 0;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.18); }
    50% { box-shadow: 0 0 0 8px rgba(22, 163, 74, 0); }
}

.hero-title {
    margin-bottom: 24px;
    text-wrap: balance;
    max-width: 18ch;
    margin-left: auto;
    margin-right: auto;
}
.hero-title br { display: inline; }
.hero-sub {
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    line-height: 1.6;
    color: var(--muted);
    max-width: 48ch;
    margin: 0 auto 40px;
    text-wrap: pretty;
}
.hero-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.micro-trust {
    font-size: 0.88rem;
    color: var(--muted-soft);
    letter-spacing: 0.01em;
    text-wrap: balance;
}

/* ---------- Problem ---------- */
.section-problem {
    background: var(--bg-tint);
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
}
.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    align-items: start;
}
.problem-heading h2 { margin-top: 4px; text-wrap: balance; }
.problem-body p {
    font-size: 1.08rem;
    line-height: 1.7;
    color: var(--ink-soft);
    margin-bottom: 20px;
}
.problem-body strong { color: var(--ink); font-weight: 600; }
.problem-highlight {
    font-size: 1.35rem !important;
    line-height: 1.4 !important;
    color: var(--ink) !important;
    font-weight: 600;
    margin-top: 32px !important;
    padding-left: 20px;
    border-left: 3px solid var(--accent);
    text-wrap: balance;
}

/* ---------- How It Works ---------- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    position: relative;
}
.step-card {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 36px 30px 32px;
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.step-card::before {
    content: attr(data-step);
    position: absolute;
    top: -16px;
    right: -4px;
    font-size: 8.5rem;
    font-weight: 800;
    color: rgba(0, 82, 204, 0.06);
    line-height: 1;
    letter-spacing: -0.05em;
    font-variant-numeric: tabular-nums;
    pointer-events: none;
    z-index: 0;
    transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}
.step-card > * { position: relative; z-index: 1; }
.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 82, 204, 0.25);
}
.step-card:hover::before {
    color: rgba(0, 82, 204, 0.1);
    transform: scale(1.04);
}

.step-num {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.step-num span {
    color: var(--muted-soft);
    font-weight: 600;
}
.step-num::after {
    content: '';
    display: inline-block;
    width: 22px;
    height: 1.5px;
    background: var(--accent);
    opacity: 0.35;
    margin-left: 2px;
}
.step-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
    letter-spacing: -0.015em;
}
.step-card p {
    font-size: 0.97rem;
    line-height: 1.6;
    color: var(--muted);
    max-width: 32ch;
}

/* ---------- Demo ---------- */
.section-demo {
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-tint) 100%);
}
.video-frame {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: 14px;
    box-shadow: var(--shadow-lg);
    max-width: 960px;
    margin: 0 auto;
}
.video-embed {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    border-radius: 16px;
    overflow: hidden;
    background: var(--ink);
}
.video-embed iframe,
.video-embed .video-placeholder {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
.video-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    color: rgba(255, 255, 255, 0.75);
    background:
        radial-gradient(ellipse 60% 40% at 50% 50%, rgba(0, 82, 204, 0.3) 0%, transparent 70%),
        linear-gradient(180deg, #14192B 0%, #0B0F1A 100%);
    padding: 24px;
    text-align: center;
}
.play-button {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: grid;
    place-items: center;
    color: #fff;
    transition: transform 0.3s var(--ease), background 0.3s var(--ease);
    cursor: pointer;
}
.play-button:hover {
    transform: scale(1.08);
    background: rgba(0, 82, 204, 0.85);
    border-color: rgba(0, 82, 204, 1);
}
.play-button svg { transform: translateX(2px); }
.video-placeholder-text {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}
.video-placeholder-hint {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ---------- Pilot ---------- */
.section-pilot { background: var(--bg); }
.pilot-card {
    background: linear-gradient(160deg, #0A1835 0%, #0B0F1A 70%, #06090F 100%);
    color: #fff;
    border-radius: var(--radius-xl);
    padding: 80px 72px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 40px 80px -24px rgba(10, 15, 26, 0.35);
}
.pilot-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(0, 82, 204, 0.25) 0%, transparent 60%);
    pointer-events: none;
}
.pilot-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 0%, transparent 80%);
    pointer-events: none;
}
.pilot-card > * { position: relative; z-index: 1; }
.pilot-card .section-head { margin-bottom: 48px; }
.pilot-card h2 { color: #fff; text-wrap: balance; }
.pilot-card .section-sub { color: rgba(255, 255, 255, 0.7); }

.pilot-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 32px;
    margin-bottom: 56px;
}
.pilot-list li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    font-size: 1.05rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.92);
}
.pilot-list li strong { color: #fff; font-weight: 600; }
.check {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0, 82, 204, 0.2);
    border: 1px solid rgba(0, 82, 204, 0.5);
    display: grid;
    place-items: center;
    color: #6FA8FF;
    margin-top: 1px;
}

.roi-box {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 36px 36px 28px;
    margin-bottom: 40px;
    backdrop-filter: blur(12px);
}
.roi-title {
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 20px;
}

.roi-breakdown {
    display: flex;
    flex-direction: column;
    margin-bottom: 28px;
}
.roi-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.roi-row:last-child { border-bottom: none; }
.roi-label {
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.95rem;
    flex: 1 1 auto;
    min-width: 0;
}
.roi-value {
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.01em;
    text-align: right;
    flex-shrink: 0;
}

.roi-result-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 10px;
    padding: 6px;
    background: rgba(0, 82, 204, 0.08);
    border: 1px solid rgba(111, 168, 255, 0.15);
    border-radius: var(--radius-md);
}
.roi-result-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 18px 16px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
}
.roi-result-item-hero {
    background: linear-gradient(135deg, rgba(0, 82, 204, 0.35) 0%, rgba(111, 168, 255, 0.15) 100%);
    border: 1px solid rgba(111, 168, 255, 0.35);
    box-shadow: 0 8px 24px -8px rgba(0, 82, 204, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.roi-result-item-accent .roi-item-value {
    background: linear-gradient(90deg, #6FA8FF 0%, #B8D4FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.roi-item-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
}
.roi-result-item-hero .roi-item-label { color: rgba(255, 255, 255, 0.75); }
.roi-item-value {
    color: #fff;
    font-weight: 800;
    font-size: 1.55rem;
    letter-spacing: -0.025em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
.roi-result-item-hero .roi-item-value { font-size: 1.9rem; }
.roi-result-item-accent .roi-item-value { font-size: 2rem; }

.pilot-cta {
    display: flex;
    justify-content: center;
}
.pilot-card .btn-primary {
    background: #fff;
    color: var(--accent-ink);
    box-shadow: 0 10px 30px -8px rgba(255, 255, 255, 0.3);
}
.pilot-card .btn-primary:hover {
    background: #F5F7FB;
    box-shadow: 0 14px 40px -8px rgba(255, 255, 255, 0.4);
}

/* ---------- FAQ ---------- */
.section-faq {
    background: var(--bg-tint);
    border-top: 1px solid var(--line-soft);
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
    overflow: hidden;
}
.faq-item[open] {
    border-color: rgba(0, 82, 204, 0.3);
    box-shadow: var(--shadow-md);
}
.faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 22px 26px;
    font-weight: 600;
    font-size: 1.05rem;
    line-height: 1.4;
    color: var(--ink);
    cursor: pointer;
    user-select: none;
    list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
    flex-shrink: 0;
    position: relative;
    width: 18px;
    height: 18px;
}
.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--muted);
    border-radius: 2px;
    transition: transform 0.3s var(--ease), background 0.2s var(--ease);
}
.faq-icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}
.faq-icon::after {
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}
.faq-item[open] .faq-icon::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }
.faq-item[open] .faq-icon::before { background: var(--accent); }

.faq-body {
    padding: 0 26px 24px;
    animation: fadeSlide 0.35s var(--ease);
}
.faq-body p {
    font-size: 0.98rem;
    line-height: 1.65;
    color: var(--muted);
    max-width: 640px;
}

@keyframes fadeSlide {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- Book / Calendly ---------- */
.section-book {
    background: var(--bg);
    padding-bottom: 140px;
}
.section-book .section-head {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}
.section-book .section-sub { margin-left: auto; margin-right: auto; }

.calendly-wrap {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    min-height: 520px;
    display: grid;
    place-items: center;
    padding: 24px;
}
.calendly-placeholder {
    width: 100%;
    min-height: 480px;
    background:
        radial-gradient(ellipse 70% 50% at 50% 30%, rgba(0, 82, 204, 0.06) 0%, transparent 70%),
        var(--bg-tint);
    border-radius: var(--radius-lg);
    display: grid;
    place-items: center;
    padding: 48px 32px;
}
.calendly-placeholder-inner {
    max-width: 560px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}
.calendly-placeholder-title {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--ink);
}
.calendly-placeholder-hint {
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.6;
}
.calendly-placeholder-hint code {
    display: inline-block;
    margin-top: 8px;
    padding: 12px 14px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    text-align: left;
    font-family: 'SF Mono', Menlo, monospace;
    color: var(--ink);
    white-space: normal;
    word-break: break-all;
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--bg);
    border-top: 1px solid var(--line);
    padding: 56px 0 48px;
}
.footer-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 32px;
    align-items: center;
}
.footer-meta {
    text-align: center;
    font-size: 0.9rem;
    color: var(--muted);
    font-style: normal;
}
.footer-meta address { font-style: normal; line-height: 1.7; }
.footer-meta a { color: var(--ink); font-weight: 500; transition: color 0.15s var(--ease); }
.footer-meta a:hover { color: var(--accent); }
.footer-legal {
    font-size: 0.82rem;
    color: var(--muted-soft);
}

/* ---------- Reveal Animation ---------- */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   RESPONSIVE — 4 breakpoints
   1024px — tablet landscape
   860px  — tablet portrait
   640px  — large phone
   480px  — small phone
   ============================================================ */

/* ---------- ≤ 1024px ---------- */
@media (max-width: 1024px) {
    :root {
        --section-pad: 96px;
    }
    .section-head { margin-bottom: 48px; }
    .pilot-card { padding: 64px 56px; }
}

/* ---------- ≤ 860px ---------- */
@media (max-width: 860px) {
    :root {
        --container-pad: 22px;
        --section-pad: 80px;
    }

    h3 { font-size: 1.2rem; }
    .section-head { margin-bottom: 40px; }
    .section-sub { font-size: 1rem; }

    /* Hero */
    .hero { padding: 64px 0 88px; }
    .hero-title br { display: none; }
    .hero-sub { margin-bottom: 32px; }
    .hero-ctas { margin-bottom: 32px; gap: 8px; }

    /* Problem */
    .problem-grid { grid-template-columns: 1fr; gap: 28px; }
    .problem-highlight { font-size: 1.2rem !important; }

    /* Steps */
    .steps-grid { grid-template-columns: 1fr; gap: 16px; }
    .step-card { padding: 32px 28px; }
    .step-num { margin-bottom: 18px; }
    .step-card h3 { font-size: 1.2rem; }

    /* Pilot */
    .pilot-card { padding: 56px 40px; }
    .pilot-card .section-head { margin-bottom: 36px; }
    .pilot-list {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-bottom: 44px;
    }

    /* Book */
    .section-book { padding-bottom: 96px; }
    .calendly-wrap { min-height: auto; }
}

/* ---------- ≤ 640px (mobile) ---------- */
@media (max-width: 640px) {
    :root {
        --container-pad: 20px;
        --section-pad: 64px;
    }

    body { font-size: 15px; }

    h1 { font-size: clamp(1.9rem, 9vw, 2.6rem); line-height: 1.08; }
    h2 { font-size: clamp(1.6rem, 6.8vw, 2.1rem); line-height: 1.12; }

    /* Header */
    .header-inner { padding: 12px var(--container-pad); }
    .logo { font-size: 1rem; }
    .logo-mark { width: 28px; height: 28px; font-size: 0.85rem; }
    .nav-link { display: none; }
    .header-nav { gap: 0; }

    /* Buttons */
    .btn-lg { padding: 15px 24px; font-size: 0.95rem; min-height: 48px; }

    /* Hero */
    .hero {
        padding: 48px 0 72px;
    }
    .hero::before {
        background-size: 48px 48px;
        opacity: 0.6;
    }
    .eyebrow {
        font-size: 0.78rem;
        padding: 7px 13px;
        gap: 8px;
        margin-bottom: 24px;
    }
    .hero-title { margin-bottom: 18px; }
    .hero-sub {
        font-size: 1rem;
        line-height: 1.55;
        margin-bottom: 28px;
    }
    .hero-ctas {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        margin-bottom: 28px;
    }
    .hero-ctas .btn-primary {
        width: 100%;
        max-width: 320px;
    }
    .btn-link {
        padding: 10px 8px;
        font-size: 0.9rem;
        align-self: center;
    }
    .micro-trust {
        font-size: 0.82rem;
        padding: 0 4px;
        line-height: 1.5;
    }

    /* Section tags/heads */
    .section-tag { font-size: 0.72rem; margin-bottom: 14px; }
    .section-tag::before { width: 14px; }
    .section-head { margin-bottom: 32px; }
    .section-sub { font-size: 0.96rem; }

    /* Problem */
    .problem-grid { gap: 20px; }
    .problem-body p { font-size: 1rem; line-height: 1.65; margin-bottom: 14px; }
    .problem-highlight {
        font-size: 1.08rem !important;
        margin-top: 22px !important;
        padding-left: 14px;
        border-left-width: 2px;
    }

    /* Steps */
    .step-card {
        padding: 28px 22px 24px;
        border-radius: var(--radius-md);
    }
    .step-card::before {
        font-size: 7rem;
        top: -10px;
        right: -2px;
    }
    .step-num { margin-bottom: 14px; font-size: 0.68rem; }
    .step-num::after { width: 18px; }
    .step-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
    .step-card p { font-size: 0.94rem; line-height: 1.6; max-width: none; }

    /* Demo */
    .video-frame {
        padding: 8px;
        border-radius: var(--radius-lg);
    }
    .video-embed { border-radius: 12px; }
    .play-button { width: 56px; height: 56px; }
    .play-button svg { width: 22px; height: 22px; }
    .video-placeholder-text { font-size: 0.9rem; }
    .video-placeholder-hint { font-size: 0.75rem; }

    /* Pilot */
    .pilot-card {
        padding: 40px 24px;
        border-radius: var(--radius-lg);
    }
    .pilot-card .section-head { margin-bottom: 28px; }
    .pilot-list {
        gap: 14px;
        margin-bottom: 32px;
    }
    .pilot-list li { font-size: 0.98rem; gap: 12px; }
    .check { width: 24px; height: 24px; }
    .check svg { width: 13px; height: 13px; }

    .roi-box {
        padding: 22px 20px 18px;
        margin-bottom: 28px;
        border-radius: var(--radius-md);
    }
    .roi-title { font-size: 0.7rem; margin-bottom: 14px; letter-spacing: 0.08em; }
    .roi-breakdown { margin-bottom: 18px; }
    .roi-row { padding: 10px 0; gap: 12px; }
    .roi-label { font-size: 0.88rem; }
    .roi-value { font-size: 0.95rem; }

    .roi-result-grid {
        grid-template-columns: 1fr;
        gap: 6px;
        padding: 4px;
    }
    .roi-result-item {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 14px 16px;
    }
    .roi-item-label { font-size: 0.7rem; }
    .roi-item-value { font-size: 1.35rem; }
    .roi-result-item-hero .roi-item-value { font-size: 1.65rem; }
    .roi-result-item-accent .roi-item-value { font-size: 1.65rem; }

    /* FAQ */
    .faq-item summary {
        padding: 18px 20px;
        font-size: 0.98rem;
        gap: 14px;
    }
    .faq-body { padding: 0 20px 20px; }
    .faq-body p { font-size: 0.94rem; line-height: 1.6; }
    .faq-icon { width: 16px; height: 16px; }

    /* Book */
    .calendly-wrap {
        padding: 14px;
        border-radius: var(--radius-lg);
    }
    .calendly-placeholder {
        min-height: 380px;
        padding: 32px 20px;
        border-radius: var(--radius-md);
    }
    .calendly-placeholder-title { font-size: 1.05rem; }
    .calendly-placeholder-hint { font-size: 0.82rem; }
    .calendly-placeholder-hint code { font-size: 0.72rem; padding: 10px 12px; }

    /* Footer */
    .site-footer { padding: 44px 0 36px; }
    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 20px;
    }
    .footer-brand { justify-self: center; }
    .footer-meta { text-align: center; font-size: 0.85rem; }
    .footer-legal { font-size: 0.78rem; }
}

/* ---------- ≤ 480px (very small phone) ---------- */
@media (max-width: 480px) {
    :root {
        --container-pad: 18px;
        --section-pad: 56px;
    }

    h1 { font-size: clamp(1.75rem, 10vw, 2.2rem); }
    h2 { font-size: clamp(1.5rem, 8vw, 1.9rem); }

    .logo-text { font-size: 0.98rem; }

    /* Eyebrow can wrap cleanly */
    .eyebrow {
        font-size: 0.74rem;
        padding: 6px 12px;
        line-height: 1.4;
    }

    /* Smaller hero CTA */
    .btn-lg { padding: 14px 22px; font-size: 0.92rem; }

    /* Pilot tighter */
    .pilot-card { padding: 32px 18px; }
    .roi-box { padding: 20px 16px; }

    /* Long ROI rows: allow wrapping to two lines for "Close rate × avg job" etc */
    .roi-row {
        flex-wrap: wrap;
        gap: 2px 12px;
    }
    .roi-value { font-size: 0.9rem; }
    .roi-result-item { padding: 12px 14px; }
    .roi-item-value { font-size: 1.25rem; }
    .roi-result-item-hero .roi-item-value,
    .roi-result-item-accent .roi-item-value { font-size: 1.5rem; }

    /* FAQ tighter still */
    .faq-item summary { padding: 16px 18px; font-size: 0.95rem; }
    .faq-body { padding: 0 18px 18px; }
}