:root {
    --primary: #0f172a;
    --primary-accent: #0ea5e9;
    --bg-light: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background: #fff;
}

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

ul {
    list-style: none;
}

/* ── Top Bar ────────────────────────────────────── */
.nav-top-bar {
    background: #0b1120;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.8rem;
}

.nav-top-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-top-left a,
.nav-top-right a {
    color: #94a3b8;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: color 0.2s;
}

.nav-top-left a:hover,
.nav-top-right a:hover {
    color: var(--primary-accent);
}

.nav-top-left svg,
.nav-top-right svg {
    flex-shrink: 0;
}

/* ── Main Header ────────────────────────────────── */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.3s, box-shadow 0.3s;
}

.main-header.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo {
    height: 44px;
    width: auto;
    transition: transform 0.2s;
}

.nav-logo:hover .logo {
    transform: scale(1.03);
}

/* ── Nav Links ──────────────────────────────────── */
.nav-links {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: #cbd5e1;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 1.1rem;
    transition: color 0.2s;
    position: relative;
}

.nav-links a:not(.cta-btn)::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 1.1rem;
    right: 1.1rem;
    height: 2px;
    background: var(--primary-accent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.25s ease;
}

.nav-links a:not(.cta-btn):hover {
    color: #fff;
}

.nav-links a:not(.cta-btn):hover::after {
    transform: scaleX(1);
}

/* ── CTA Button ─────────────────────────────────── */
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: var(--primary-accent);
    color: #fff;
    padding: 0.55rem 1.15rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.cta-btn:hover {
    background: #0369a1;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

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

.nav-login-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.2s;
    padding: 0.4rem 0;
}

.nav-login-link:hover {
    color: var(--primary-accent);
}

.nav-cta {
    margin-left: 0.5rem;
}

.cta-btn-lg {
    padding: 0.8rem 1.8rem;
    font-size: 1rem;
}

/* ── Hamburger ──────────────────────────────────── */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1010;
}

.nav-toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: #e2e8f0;
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile Menu ────────────────────────────────── */
.nav-mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100dvh;
    height: 100vh;
    background: #090d16;
    background: linear-gradient(180deg, #090d16 0%, #0c121e 100%);
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.nav-mobile-menu.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.nav-mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.nav-mobile-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    color: #e2e8f0;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.2s;
}

.nav-mobile-close:hover,
.nav-mobile-close:active {
    background: rgba(255, 255, 255, 0.12);
    color: #38bdf8;
    transform: scale(1.05);
}

.nav-mobile-inner {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
    padding: 1.75rem 1.5rem 2rem;
    gap: 1.75rem;
    max-width: 540px;
    margin: 0 auto;
    width: 100%;
}

.nav-mobile-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin: 0;
    padding: 0;
}

.nav-mobile-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #f1f5f9;
    font-size: 1.1rem;
    font-weight: 700;
    padding: 1rem 1.25rem;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
    text-decoration: none;
}

.nav-mobile-links a:hover,
.nav-mobile-links a:active {
    background: rgba(14, 165, 233, 0.12);
    border-color: rgba(14, 165, 233, 0.35);
    color: #38bdf8;
    transform: translateX(4px);
}

.nav-mobile-links a svg {
    color: #64748b;
    transition: transform 0.2s, color 0.2s;
    flex-shrink: 0;
}

.nav-mobile-links a:hover svg,
.nav-mobile-links a:active svg {
    color: #38bdf8;
    transform: translateX(2px);
}

.nav-mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: auto;
    padding-top: 1rem;
}

.nav-mobile-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    border-radius: 100px;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.35);
    text-decoration: none;
}

.nav-mobile-contact {
    text-align: center;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-mobile-contact a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #94a3b8;
    font-size: 0.85rem;
    text-decoration: none;
    transition: color 0.2s;
}

.nav-mobile-contact a:hover {
    color: #38bdf8;
}

/* ── Hero Slider ────────────────────────────────── */
.hero-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--primary);
}

.hero-slides {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 44%;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.7s ease, visibility 0.7s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-slide-bg {
    position: absolute;
    inset: 0;
}

.hero-slide-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: scale(1.03);
    transition: transform 6s ease-out;
}

.hero-slide.active .hero-slide-bg img {
    transform: scale(1);
}

.hero-slide-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.6) 50%, rgba(15, 23, 42, 0.3) 100%),
        linear-gradient(to top, rgba(15, 23, 42, 0.5) 0%, transparent 40%);
    z-index: 1;
}

.hero-slide-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 5rem;
    color: #fff;
}

/* Tag */
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(14, 165, 233, 0.15);
    border: 1px solid rgba(14, 165, 233, 0.3);
    color: var(--primary-accent);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.4rem 1rem;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease 0.15s, transform 0.5s ease 0.15s;
}

.hero-slide.active .hero-tag {
    opacity: 1;
    transform: translateY(0);
}

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

@keyframes heroPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Title */
.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.12;
    margin-bottom: 1.25rem;
    max-width: 700px;
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease 0.3s, transform 0.5s ease 0.3s;
}

.hero-slide.active .hero-title {
    opacity: 1;
    transform: translateY(0);
}

/* Description */
.hero-desc {
    font-size: 1.1rem;
    color: #94a3b8;
    max-width: 560px;
    line-height: 1.75;
    margin-bottom: 2.25rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease 0.45s, transform 0.5s ease 0.45s;
}

.hero-slide.active .hero-desc {
    opacity: 1;
    transform: translateY(0);
}

/* Actions */
.hero-actions {
    display: flex;
    gap: 0.85rem;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease 0.6s, transform 0.5s ease 0.6s;
}

.hero-slide.active .hero-actions {
    opacity: 1;
    transform: translateY(0);
}

/* ── CTA Buttons ─────────────────────────────────── */
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: var(--primary-accent);
    color: #fff;
    padding: 0.7rem 1.4rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.cta-btn:hover {
    background: #0369a1;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.35);
}

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

.cta-btn-xl {
    padding: 0.9rem 2rem;
    font-size: 0.95rem;
    border-radius: 8px;
}

.cta-ghost {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}

.cta-ghost:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.cta-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: #fff;
}

.cta-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* ── Arrows ──────────────────────────────────────── */
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.25s, border-color 0.25s, transform 0.15s;
}

.hero-arrow:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.35);
}

.hero-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.hero-arrow-prev {
    left: 2rem;
}

.hero-arrow-next {
    right: 2rem;
}

/* ── Progress Bar ────────────────────────────────── */
.hero-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 10;
}

.hero-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--primary-accent);
    transition: width 0.1s linear;
}

/* ── Counter ─────────────────────────────────────── */
.hero-counter {
    position: absolute;
    bottom: 1.75rem;
    left: 2rem;
    z-index: 10;
    display: flex;
    align-items: baseline;
    gap: 0.2rem;
    font-weight: 700;
    color: #fff;
}

.hero-counter-current {
    font-size: 1.5rem;
    font-variant-numeric: tabular-nums;
}

.hero-counter-sep {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.35);
    margin: 0 0.15rem;
}

.hero-counter-total {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.45);
}

/* ── Dots ────────────────────────────────────────── */
.hero-dots {
    position: absolute;
    bottom: 1.75rem;
    right: 2rem;
    z-index: 10;
    display: flex;
    gap: 0.6rem;
}

.hero-dot {
    width: 32px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    padding: 0;
    cursor: pointer;
    overflow: hidden;
    transition: background 0.25s;
}

.hero-dot:hover {
    background: rgba(255, 255, 255, 0.35);
}

.hero-dot.active {
    background: rgba(255, 255, 255, 0.2);
}

.hero-dot-fill {
    display: block;
    height: 100%;
    width: 0%;
    background: var(--primary-accent);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.hero-dot.active .hero-dot-fill {
    width: 100%;
}

/* ── Stats Bar ───────────────────────────────────── */
.hero-stats {
    background: #0b1120;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-stats-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    text-align: center;
}

.hero-stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    letter-spacing: -0.02em;
}

.hero-stat-unit {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-accent);
}

.hero-stat-label {
    font-size: 0.78rem;
    color: #64748b;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.hero-stat-divider {
    width: 1px;
    height: 36px;
    background: rgba(255, 255, 255, 0.08);
}

/* ── Section shared ─────────────────────────────── */
.section {
    padding: 6rem 2rem;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--primary-accent);
    margin-bottom: 1rem;
}

.section-eyebrow-line {
    display: inline-block;
    width: 32px;
    height: 1px;
    background: var(--primary-accent);
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ── RADIUS Steps ───────────────────────────────── */
.radius-section {
    background: var(--bg-light);
}

.radius-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
}

.radius-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.radius-step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.2);
}

.radius-step-number span {
    position: relative;
}

.radius-step-number::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--primary-accent);
    opacity: 0.25;
}

.radius-step-connector {
    width: 2px;
    height: 24px;
    background: linear-gradient(to bottom, var(--primary-accent), transparent);
    margin-bottom: 1.25rem;
}

.radius-step-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 2rem 1.75rem;
    width: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.radius-step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-accent), var(--primary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.radius-step-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-accent);
}

.radius-step-card:hover::before {
    opacity: 1;
}

.radius-step-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, #e0f2fe, #bae6fd);
    color: #0369a1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.radius-step-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--primary-accent);
    margin-bottom: 0.4rem;
    text-align: center;
}

.radius-step-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    text-align: center;
}

.radius-step-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    text-align: center;
}

.radius-step-final::before {
    opacity: 0;
}

/* ── BOT Section ────────────────────────────────── */
.bot-section {
    background: var(--primary);
    border-radius: 18px;
    margin-top: 4rem;
    overflow: hidden;
    position: relative;
}

.bot-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(14, 165, 233, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 100%, rgba(14, 165, 233, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.bot-inner {
    position: relative;
    padding: 4rem 3rem;
}

.bot-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 3.5rem;
}

.section-eyebrow--light {
    color: rgba(255, 255, 255, 0.6);
}

.section-eyebrow-line--light {
    background: rgba(255, 255, 255, 0.3);
}

.bot-header h3 {
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.75rem;
}

.bot-header p {
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.75;
    font-size: 1rem;
}

.bot-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3.5rem;
    padding: 2rem 0;
}

.bot-flow-step {
    text-align: center;
    flex: 0 0 auto;
    max-width: 200px;
}

.bot-flow-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--primary-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: background 0.3s, border-color 0.3s;
}

.bot-flow-step:hover .bot-flow-icon {
    background: rgba(14, 165, 233, 0.15);
    border-color: rgba(14, 165, 233, 0.3);
}

.bot-flow-step h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.4rem;
}

.bot-flow-step p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.5;
}

.bot-flow-arrow {
    color: rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
    margin-top: -1.5rem;
}

.bot-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.bot-benefit-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1.75rem;
    transition: background 0.3s, border-color 0.3s, transform 0.3s;
}

.bot-benefit-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

.bot-benefit-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(14, 165, 233, 0.12);
    color: var(--primary-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.bot-benefit-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.bot-benefit-card p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.88rem;
    line-height: 1.65;
}

/* ── AI Section ─────────────────────────────────── */
.ai-section {
    background: #fff;
}

.tier-flow {
    display: flex;
    align-items: stretch;
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.tier-card {
    flex: 1;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 2rem 1.75rem;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.tier-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-accent), #38bdf8);
    border-radius: 14px 14px 0 0;
}

.tier-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-accent);
}

.tier-card--premium {
    background: linear-gradient(135deg, #f0f9ff, #fff);
    border-color: rgba(14, 165, 233, 0.3);
}

.tier-card--premium::before {
    background: linear-gradient(90deg, #0369a1, var(--primary-accent), #38bdf8);
}

.tier-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.tier-number {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}

.tier-meta {
    flex: 1;
}

.tier-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--primary-accent);
    margin-bottom: 0.2rem;
}

.tier-meta h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.tier-desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
}

.tier-features {
    list-style: none;
    margin-bottom: 1.5rem;
    flex: 1;
}

.tier-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.55rem 0;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.tier-features li:last-child {
    border-bottom: none;
}

.tier-features li svg {
    color: var(--primary-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.tier-cost {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.55;
    background: rgba(14, 165, 233, 0.03);
    margin-left: -1.75rem;
    margin-right: -1.75rem;
    margin-bottom: -2rem;
    padding: 1rem 1.75rem 1.25rem;
    border-radius: 0 0 14px 14px;
}

.tier-cost-icon {
    flex-shrink: 0;
    color: var(--primary-accent);
    margin-top: 1px;
}

.tier-flow-arrow {
    display: flex;
    align-items: center;
    color: rgba(14, 165, 233, 0.35);
    flex-shrink: 0;
    margin-top: 4rem;
}

/* ── Escalation Box ─────────────────────────────── */
.escalation-box {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: 14px;
    overflow: hidden;
}

.escalation-inner {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 2rem 2.25rem;
}

.escalation-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.escalation-content {
    flex: 1;
}

.escalation-content h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.escalation-content p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

.escalation-content strong {
    color: var(--primary);
}

/* ── Footer ─────────────────────────────────────── */
footer {
    color: #94a3b8;
    font-size: 0.9rem;
}

/* ── CTA Section ────────────────────────────────── */
.footer-cta-section {
    background: var(--primary);
    position: relative;
    overflow: hidden;
}

.footer-cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 0%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 100%, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.footer-cta-inner {
    position: relative;
    text-align: center;
    padding: 5rem 2rem;
    max-width: 700px;
    margin: 0 auto;
}

.footer-cta-inner h2 {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 1rem;
}

.footer-cta-inner p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.75;
    margin-bottom: 2rem;
    font-size: 1rem;
}

.footer-cta-btns {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ── Footer Main ────────────────────────────────── */
.footer-main {
    background: #0b1120;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 4rem 2rem 3rem;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
}

.footer-logo {
    height: 36px;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.7;
    color: #64748b;
    margin-bottom: 1.25rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    transition: background 0.25s, color 0.25s, border-color 0.25s;
}

.footer-social a:hover {
    background: rgba(14, 165, 233, 0.15);
    border-color: rgba(14, 165, 233, 0.3);
    color: var(--primary-accent);
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #e2e8f0;
    margin-bottom: 1.25rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.6rem;
}

.footer-col a {
    font-size: 0.88rem;
    color: #64748b;
    transition: color 0.2s;
}

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

.footer-contact-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact-list svg {
    color: #475569;
    flex-shrink: 0;
}

/* ── Footer Bottom ──────────────────────────────── */
.footer-bottom {
    background: #060a14;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: 1.25rem 2rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: #475569;
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 768px) {
    .nav-top-bar {
        display: none;
    }

    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-container {
        padding: 0 1.25rem;
        height: 64px;
    }

    .logo {
        height: 36px;
    }

    /* Hero Slider Mobile */
    .hero-slider {
        position: relative;
        min-height: auto;
    }

    .hero-slides {
        height: auto;
        min-height: 540px;
        padding-bottom: 0;
        position: relative;
    }

    .hero-slide {
        min-height: 540px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-slide-content {
        padding: 3rem 1.25rem 4.5rem 1.25rem;
        align-items: center;
        text-align: center;
        justify-content: center;
        min-height: 540px;
        max-width: 100%;
    }

    .hero-tag {
        font-size: 0.72rem;
        padding: 0.35rem 0.85rem;
        margin-bottom: 1rem;
    }

    .hero-title {
        font-size: 1.65rem;
        line-height: 1.22;
        max-width: 100%;
        margin-bottom: 1rem;
    }

    .hero-desc {
        font-size: 0.9rem;
        line-height: 1.55;
        max-width: 100%;
        margin-bottom: 1.5rem;
        color: #cbd5e1;
    }

    .hero-actions {
        display: flex;
        flex-direction: column;
        width: 100%;
        max-width: 320px;
        gap: 0.75rem;
        justify-content: center;
        margin: 0 auto 1.5rem;
    }

    .hero-actions .cta-btn {
        width: 100%;
        justify-content: center;
        text-align: center;
        padding: 0.85rem 1.5rem;
        font-size: 0.95rem;
        border-radius: 100px;
    }

    .hero-arrow {
        width: 36px;
        height: 36px;
        display: flex;
    }

    .hero-arrow svg {
        width: 16px;
        height: 16px;
    }

    .hero-arrow-prev {
        left: 0.5rem;
    }

    .hero-arrow-next {
        right: 0.5rem;
    }

    .hero-counter {
        left: 1.25rem;
        bottom: 1.25rem;
    }

    .hero-counter-current {
        font-size: 1.1rem;
    }

    .hero-dots {
        right: 1.25rem;
        bottom: 1.25rem;
    }

    .hero-dot {
        width: 22px;
        height: 3.5px;
    }

    .hero-stats-inner {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem 1rem;
        padding: 1.5rem 1.25rem;
    }

    .hero-stat {
        gap: 0.2rem;
    }

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

    .hero-stat-label {
        font-size: 0.72rem;
    }

    .hero-stat-divider {
        display: none;
    }

    .section {
        padding: 3.5rem 1.25rem;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .section-desc {
        font-size: 0.95rem;
    }

    .radius-steps {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .radius-step-connector {
        display: none;
    }

    .radius-step {
        flex-direction: row;
        align-items: flex-start;
        gap: 1rem;
    }

    .radius-step-number {
        width: 44px;
        height: 44px;
        font-size: 0.95rem;
        flex-shrink: 0;
        margin-bottom: 0;
    }

    .radius-step-card {
        padding: 1.5rem;
    }

    .tier-flow {
        flex-direction: column;
        gap: 1rem;
    }

    .tier-flow-arrow {
        transform: rotate(90deg);
        margin: 0 auto;
        margin-top: 0;
    }

    .tier-card {
        padding: 1.5rem;
    }

    .tier-cost {
        margin-left: -1.5rem;
        margin-right: -1.5rem;
        padding: 1rem 1.5rem 1.25rem;
    }

    .escalation-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 2rem 1.5rem;
    }

    .bot-header h3 {
        font-size: 1.35rem;
    }

    .bot-flow {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }

    .bot-flow-arrow {
        transform: rotate(90deg);
        margin: 0.5rem 0;
    }

    .bot-benefits-grid {
        grid-template-columns: 1fr;
    }

    .footer-cta-inner {
        padding: 3.5rem 1.5rem;
    }

    .footer-cta-inner h2 {
        font-size: 1.5rem;
    }

    .footer-cta-btns {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-contact-list li {
        justify-content: center;
    }
}
