/* ═══════════════════════════════════════════
   CALLFLOW PRO — Landing Page Styles
   ═══════════════════════════════════════════ */

:root {
    --cf-black: #0a0a0f;
    --cf-dark: #12121a;
    --cf-surface: #1a1a26;
    --cf-border: rgba(255,255,255,0.08);
    --cf-text: #e0e0e8;
    --cf-text-dim: #8888a0;
    --cf-accent: #00cc88;
    --cf-accent-glow: rgba(0,204,136,0.25);
    --cf-blue: #3366ff;
    --cf-blue-glow: rgba(51,102,255,0.2);
    --cf-orange: #ff6b35;
    --cf-red: #ff4a4a;
    --cf-font: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --cf-mono: 'JetBrains Mono', monospace;
}

/* Scoped reset */
.cf-page * { box-sizing: border-box; margin: 0; padding: 0; }
.cf-page { font-family: var(--cf-font); color: var(--cf-text); line-height: 1.65; -webkit-font-smoothing: antialiased; }
.cf-page img { max-width: 100%; }
.cf-page a { color: inherit; text-decoration: none; }
.cf-page strong { font-weight: 700; color: #fff; }

/* ── Sezioni ── */
.cf-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}
.cf-section--dark { background: var(--cf-black); }
.cf-section--surface { background: var(--cf-dark); }
.cf-section--gradient {
    background: linear-gradient(170deg, var(--cf-black) 0%, #0a2a1a 50%, var(--cf-black) 100%);
}

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

/* ── Hero ── */
.cf-hero {
    display: flex;
    align-items: flex-start;
    background: var(--cf-black);
    position: relative;
    overflow: hidden;
    padding: 80px 0 60px;
}

.cf-hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
}

.cf-hero__glow {
    position: absolute;
    width: 600px; height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
}
.cf-hero__glow--accent { background: var(--cf-accent); top: -200px; right: -100px; opacity: 0.12; }
.cf-hero__glow--blue { background: var(--cf-blue); bottom: -200px; left: -100px; opacity: 0.1; }

.cf-hero__content {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.cf-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,204,136,0.1);
    border: 1px solid rgba(0,204,136,0.25);
    border-radius: 100px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--cf-accent);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 32px;
    animation: cf-fadeUp 0.6s ease both;
}
.cf-hero__badge i { font-size: 10px; }

.cf-hero__title {
    font-size: clamp(38px, 5.5vw, 68px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: #fff;
    margin-bottom: 28px;
    animation: cf-fadeUp 0.6s 0.1s ease both;
}
.cf-hero__title span {
    background: linear-gradient(135deg, var(--cf-accent), #66eebb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cf-hero__sub {
    font-size: 19px;
    line-height: 1.7;
    color: var(--cf-text-dim);
    max-width: 580px;
    margin-bottom: 40px;
    animation: cf-fadeUp 0.6s 0.2s ease both;
}

.cf-hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: cf-fadeUp 0.6s 0.3s ease both;
}

/* ── Stats bar ── */
.cf-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--cf-border);
    border: 1px solid var(--cf-border);
    border-radius: 16px;
    overflow: hidden;
    margin-top: -30px;
    position: relative;
    z-index: 3;
}
.cf-stats__item {
    background: var(--cf-dark);
    padding: 36px 24px;
    text-align: center;
    transition: background 0.3s;
}
.cf-stats__item:hover { background: var(--cf-surface); }
.cf-stats__number {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
    font-family: var(--cf-mono);
}
.cf-stats__number em {
    font-style: normal;
    color: var(--cf-accent);
}
.cf-stats__label {
    font-size: 13px;
    color: var(--cf-text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* ── Bottoni ── */
.cf-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--cf-font);
    font-weight: 700;
    font-size: 15px;
    padding: 14px 32px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 0.2px;
}
.cf-btn--primary {
    background: var(--cf-accent);
    color: #0a0a0f;
    box-shadow: 0 4px 20px var(--cf-accent-glow);
}
.cf-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--cf-accent-glow);
    background: #00e699;
    color: #0a0a0f;
}
.cf-btn--ghost {
    background: transparent;
    color: var(--cf-text);
    border: 1px solid var(--cf-border);
}
.cf-btn--ghost:hover {
    border-color: rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.04);
    color: #fff;
}

/* ── Titoli sezione ── */
.cf-heading { margin-bottom: 20px; }
.cf-heading__eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--cf-accent);
    margin-bottom: 16px;
    font-family: var(--cf-mono);
}
.cf-heading__title {
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: #fff;
}
.cf-heading__desc {
    font-size: 18px;
    color: var(--cf-text-dim);
    max-width: 600px;
    margin-top: 16px;
    line-height: 1.7;
}
.cf-heading--center { text-align: center; }
.cf-heading--center .cf-heading__desc { margin-left: auto; margin-right: auto; }

/* ── Feature Grid ── */
.cf-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 64px;
}
.cf-feature {
    background: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: 20px;
    padding: 40px 32px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}
.cf-feature::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cf-accent), var(--cf-blue));
    opacity: 0;
    transition: opacity 0.4s;
}
.cf-feature:hover {
    border-color: rgba(255,255,255,0.15);
    transform: translateY(-4px);
}
.cf-feature:hover::before { opacity: 1; }

.cf-feature__icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 24px;
}
.cf-feature__icon--accent { background: rgba(0,204,136,0.12); color: var(--cf-accent); }
.cf-feature__icon--blue { background: rgba(51,102,255,0.12); color: var(--cf-blue); }
.cf-feature__icon--orange { background: rgba(255,107,53,0.12); color: var(--cf-orange); }

.cf-feature__title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}
.cf-feature__text {
    font-size: 15px;
    color: var(--cf-text-dim);
    line-height: 1.7;
}

/* ── Dual Layout ── */
.cf-dual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-top: 64px;
}
.cf-dual--reverse .cf-dual__visual { order: -1; }

.cf-dual__text {
    font-size: 17px;
    color: var(--cf-text-dim);
    line-height: 1.75;
    margin-bottom: 16px;
}
.cf-dual__tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 28px;
}
.cf-tag {
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid var(--cf-border);
    color: var(--cf-text);
    transition: all 0.3s;
}
.cf-tag:hover { border-color: var(--cf-accent); color: var(--cf-accent); }

/* ── Comparison: Sequenziale vs Predittivo ── */
.cf-versus {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--cf-border);
    background: var(--cf-surface);
}
.cf-versus__header {
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.cf-versus__tab {
    padding: 16px;
    text-align: center;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.cf-versus__tab--good {
    background: rgba(0,204,136,0.1);
    color: var(--cf-accent);
    border-bottom: 2px solid var(--cf-accent);
}
.cf-versus__tab--bad {
    background: rgba(255,74,74,0.08);
    color: var(--cf-red);
    border-bottom: 2px solid var(--cf-red);
}
.cf-versus__body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--cf-border);
}
.cf-versus__col { padding: 24px; background: var(--cf-surface); }
.cf-versus__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    font-size: 14px;
    color: var(--cf-text);
    border-bottom: 1px solid var(--cf-border);
}
.cf-versus__item:last-child { border-bottom: none; }
.cf-versus__icon {
    width: 28px; height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    flex-shrink: 0;
}
.cf-versus__icon--good { background: rgba(0,204,136,0.15); color: var(--cf-accent); }
.cf-versus__icon--bad { background: rgba(255,74,74,0.12); color: var(--cf-red); }

/* ── Capabilities List ── */
.cf-caps {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 48px;
}
.cf-cap {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 24px;
    background: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: 14px;
    transition: all 0.3s;
}
.cf-cap:hover { border-color: rgba(255,255,255,0.15); }
.cf-cap__icon {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: rgba(0,204,136,0.1);
    color: var(--cf-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 14px;
}
.cf-cap__text {
    font-size: 15px;
    color: var(--cf-text);
    line-height: 1.6;
}

/* ── Data Cards ── */
.cf-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 64px;
}
.cf-card {
    background: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.4s;
}
.cf-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255,255,255,0.15);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.cf-card__icon {
    width: 72px; height: 72px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 28px;
}
.cf-card__icon--1 { background: linear-gradient(135deg, rgba(0,204,136,0.15), rgba(0,204,136,0.05)); color: var(--cf-accent); }
.cf-card__icon--2 { background: linear-gradient(135deg, rgba(51,102,255,0.15), rgba(51,102,255,0.05)); color: var(--cf-blue); }
.cf-card__icon--3 { background: linear-gradient(135deg, rgba(255,107,53,0.15), rgba(255,107,53,0.05)); color: var(--cf-orange); }
.cf-card__title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}
.cf-card__text {
    font-size: 15px;
    color: var(--cf-text-dim);
    line-height: 1.7;
}

/* ── Target Table ── */
.cf-targets {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 64px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}
.cf-target {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: 14px;
    transition: all 0.3s;
}
.cf-target:hover { border-color: rgba(255,255,255,0.15); }
.cf-target__icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: rgba(0,204,136,0.1);
    color: var(--cf-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.cf-target__content {}
.cf-target__title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 2px; }
.cf-target__desc { font-size: 13px; color: var(--cf-text-dim); line-height: 1.5; }

/* ── Integration tiers ── */
.cf-tiers {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}
.cf-tier {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: 14px;
    transition: all 0.3s;
}
.cf-tier:hover { border-color: rgba(255,255,255,0.15); }
.cf-tier__icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.cf-tier__icon--1 { background: rgba(0,204,136,0.12); color: var(--cf-accent); }
.cf-tier__icon--2 { background: rgba(51,102,255,0.12); color: var(--cf-blue); }
.cf-tier__icon--3 { background: rgba(255,107,53,0.12); color: var(--cf-orange); }
.cf-tier__icon--4 { background: rgba(255,170,51,0.12); color: #ffaa33; }
.cf-tier__text { font-size: 15px; color: var(--cf-text); }

/* ── Dashboard mockup ── */
.cf-dash {
    background: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: 20px;
    overflow: hidden;
}
.cf-dash__bar {
    background: var(--cf-blue);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.cf-dash__dots { display: flex; gap: 6px; }
.cf-dash__dot { width: 12px; height: 12px; border-radius: 50%; }
.cf-dash__dot--r { background: #ff5f56; }
.cf-dash__dot--y { background: #ffbd2e; }
.cf-dash__dot--g { background: #27c93f; }
.cf-dash__url { color: rgba(255,255,255,0.7); font-size: 12px; font-family: var(--cf-mono); }
.cf-dash__body { display: flex; min-height: 260px; }
.cf-dash__sidebar {
    width: 52px;
    background: rgba(0,0,0,0.3);
    padding: 16px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.cf-dash__nav {
    width: 28px; height: 28px;
    border-radius: 8px;
    background: rgba(255,255,255,0.08);
}
.cf-dash__nav--active { background: var(--cf-accent); }
.cf-dash__main { flex: 1; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.cf-dash__metrics { display: flex; gap: 12px; }
.cf-dash__metric {
    flex: 1;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--cf-border);
    border-radius: 12px;
    padding: 16px;
}
.cf-dash__metric-val {
    font-family: var(--cf-mono);
    font-size: 20px;
    font-weight: 700;
}
.cf-dash__metric-val--green { color: var(--cf-accent); }
.cf-dash__metric-val--blue { color: var(--cf-blue); }
.cf-dash__metric-val--orange { color: var(--cf-orange); }
.cf-dash__metric-label {
    font-size: 11px;
    color: var(--cf-text-dim);
    margin-top: 4px;
}
.cf-dash__chart {
    flex: 1;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--cf-border);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: flex-end;
    gap: 6px;
}
.cf-dash__chart-bar {
    flex: 1;
    border-radius: 4px 4px 0 0;
    opacity: 0.8;
}

/* ── AI Section visual ── */
.cf-ai-visual {
    background: linear-gradient(135deg, #0a1628 0%, #0d2a3a 50%, #0a2a1a 100%);
    border: 1px solid var(--cf-border);
    border-radius: 20px;
    padding: 48px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cf-ai-visual__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,204,136,0.15);
    border: 1px solid rgba(0,204,136,0.3);
    border-radius: 100px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 700;
    color: var(--cf-accent);
    letter-spacing: 1px;
    margin-bottom: 24px;
}
.cf-ai-visual__title {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}
.cf-ai-visual__msgs {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 300px;
    margin: 0 auto;
}
.cf-ai-visual__msg {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 13px;
    text-align: left;
    animation: cf-fadeUp 0.5s ease both;
}
.cf-ai-visual__msg--bot {
    background: rgba(0,204,136,0.1);
    border-left: 3px solid var(--cf-accent);
    color: var(--cf-text);
    align-self: flex-start;
}
.cf-ai-visual__msg--user {
    background: rgba(51,102,255,0.1);
    border-right: 3px solid var(--cf-blue);
    color: var(--cf-text);
    align-self: flex-end;
}
.cf-ai-visual__msg:nth-child(2) { animation-delay: 0.15s; }
.cf-ai-visual__msg:nth-child(3) { animation-delay: 0.3s; }
.cf-ai-visual__msg:nth-child(4) { animation-delay: 0.45s; }

/* ── CTA ── */
.cf-cta {
    text-align: center;
    padding: 120px 0;
    position: relative;
}
.cf-cta__glow {
    position: absolute;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: var(--cf-accent);
    filter: blur(150px);
    opacity: 0.06;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}
.cf-cta__title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}
.cf-cta__desc {
    font-size: 19px;
    color: var(--cf-text-dim);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
    position: relative;
    z-index: 2;
}

/* ── Animations ── */
@keyframes cf-fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.cf-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.cf-reveal.cf-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 991px) {
    .cf-section { padding: 80px 0; }
    .cf-stats { grid-template-columns: repeat(2, 1fr); }
    .cf-features { grid-template-columns: 1fr 1fr; }
    .cf-dual { grid-template-columns: 1fr; gap: 40px; }
    .cf-dual--reverse .cf-dual__visual { order: 0; }
    .cf-caps { grid-template-columns: 1fr; }
    .cf-cards { grid-template-columns: 1fr 1fr; }
    .cf-targets { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
    .cf-section { padding: 60px 0; }
    .cf-hero { padding: 70px 0 50px; }
    .cf-stats { grid-template-columns: 1fr 1fr; }
    .cf-features { grid-template-columns: 1fr; }
    .cf-cards { grid-template-columns: 1fr; }
    .cf-versus__body { grid-template-columns: 1fr; }
    .cf-versus__header { grid-template-columns: 1fr; }
    .cf-hero__actions { flex-direction: column; }
    .cf-hero__actions .cf-btn { width: 100%; justify-content: center; }
    .cf-dash__metrics { flex-direction: column; }
}