/* ===== CSS Variables ===== */
:root {
    --primary: #0033A0;
    --primary-light: #1E5BB5;
    --accent: #00B4D8;
    --accent-dark: #0090ad;
    --text: #0A0F1E;
    --text-light: #6B7280;
    --light-gray: #F7F9FC;
    --white: #ffffff;
    --hero-bg: #060D1F;
    --hero-card-bg: rgba(255, 255, 255, 0.06);
    --hero-card-border: rgba(255, 255, 255, 0.1);
    --dark-section: #0A1628;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.12), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
    --radius: 12px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img { max-width: 100%; height: auto; }

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-intro {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(0, 180, 216, 0.1);
    padding: 0.3rem 0.85rem;
    border-radius: 100px;
    margin-bottom: 0.875rem;
}

.section-label.light {
    background: rgba(0, 180, 216, 0.15);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    color: var(--text);
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}
.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-ghost {
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.25);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-accent {
    background-color: var(--accent);
    color: var(--white);
}
.btn-accent:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 180, 216, 0.35);
}

.btn-nav-cta {
    background-color: var(--primary);
    color: var(--white);
    padding: 0.6rem 1.4rem;
    font-size: 0.9rem;
    border-radius: 7px;
    flex-shrink: 0;
}
.btn-nav-cta:hover { background-color: var(--primary-light); }

.btn-cta {
    background-color: var(--white);
    color: var(--primary);
    font-weight: 700;
    padding: 1rem 2.5rem;
}
.btn-cta:hover {
    background-color: var(--light-gray);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: background-color 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

.header.scrolled {
    background-color: rgba(6, 13, 31, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.header.light {
    background-color: var(--white);
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
    gap: 2rem;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    flex-shrink: 0;
    letter-spacing: -0.02em;
}
.logo span {
    font-weight: 400;
    color: rgba(255, 255, 255, 0.55);
}
.header.light .logo { color: var(--primary); }
.header.light .logo span { color: var(--text); }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin-left: auto;
}

.nav-link {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    padding: 0.5rem 0;
    position: relative;
    font-size: 0.9375rem;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition);
}
.nav-link:hover { color: var(--white); }
.nav-link:hover::after { width: 100%; }
.header.light .nav-link { color: var(--text); }
.header.light .nav-link:hover { color: var(--primary); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    margin-left: auto;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--white);
    transition: var(--transition);
}
.header.light .nav-toggle span { background-color: var(--text); }

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--hero-bg);
    background-image:
        linear-gradient(rgba(0, 180, 216, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 180, 216, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    position: relative;
    overflow: hidden;
    padding: 7rem 0 5rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background: radial-gradient(ellipse 75% 65% at 65% 45%, rgba(0, 51, 160, 0.3) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(0, 180, 216, 0.4);
    padding: 0.35rem 0.9rem;
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.text-accent { color: var(--accent); }

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: rgba(255, 255, 255, 0.6);
    max-width: 490px;
    margin-bottom: 2.5rem;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ===== Hero Visual ===== */
.hero-visual {
    position: relative;
    height: 400px;
}

.widget {
    background: var(--hero-card-bg);
    border: 1px solid var(--hero-card-border);
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--white);
}

.widget-main {
    width: 100%;
    max-width: 370px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.widget-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.widget-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.widget-dot:nth-child(1) { background: #ef4444; }
.widget-dot:nth-child(2) { background: #f59e0b; }
.widget-dot:nth-child(3) { background: #22c55e; }

.widget-title {
    margin-left: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    flex: 1;
}

.widget-live {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.68rem;
    color: #22c55e;
    font-weight: 600;
}

.live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #22c55e;
    animation: livePulse 2s ease-in-out infinite;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.75); }
}

.widget-body { padding: 16px; }

.widget-metrics {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.wm {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 10px;
    text-align: center;
}

.wm-value {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
}
.wm-value.accent { color: var(--accent); }

.wm-label {
    display: block;
    font-size: 0.62rem;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.widget-chart { margin-bottom: 14px; }

.chart-bars-mini {
    display: flex;
    align-items: flex-end;
    gap: 5px;
    height: 56px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 4px;
}

.chart-bar-mini {
    flex: 1;
    height: var(--h);
    background: linear-gradient(to top, var(--primary), var(--accent));
    border-radius: 3px 3px 0 0;
    animation: barGrow 1s ease-out forwards;
    transform-origin: bottom;
    opacity: 0.8;
}

@keyframes barGrow {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

.widget-status-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.ws-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.6);
}

.ws-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}
.ws-dot.on { background: #22c55e; }
.ws-dot.warn { background: #f59e0b; }

/* Floating widget cards */
.widget-float {
    position: absolute;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 165px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.widget-float-tr {
    top: 4%;
    right: -5%;
    animation: floatUp 4s ease-in-out infinite;
}

.widget-float-bl {
    bottom: 4%;
    left: -5%;
    animation: floatUp 4s ease-in-out infinite;
    animation-delay: 2s;
}

@keyframes floatUp {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.float-label {
    display: block;
    font-size: 0.62rem;
    color: rgba(255, 255, 255, 0.45);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 2px;
}

.float-value {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
}

.float-delta {
    display: block;
    font-size: 0.68rem;
    font-weight: 500;
    margin-top: 3px;
}
.float-delta.up { color: #22c55e; }

.float-icon { font-size: 1.1rem; line-height: 1; color: #f59e0b; }
.float-sub { display: block; font-size: 0.68rem; color: rgba(255, 255, 255, 0.55); margin-top: 2px; }

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.35);
    animation: scrollBounce 2s ease-in-out infinite;
}
.scroll-indicator:hover { color: rgba(255, 255, 255, 0.75); }

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== Audiences ===== */
.audiences {
    padding: 6rem 0;
    background-color: var(--white);
}

.audience-card-single {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: var(--light-gray);
    border-radius: 16px;
    padding: 3rem;
    border: 2px solid transparent;
    transition: var(--transition);
    align-items: start;
}
.audience-card-single:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

.acs-left {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.acs-left h3 { font-size: 1.75rem; color: var(--text); }

.acs-right { padding-top: 0.5rem; }

.audience-icon {
    width: 52px;
    height: 52px;
    background: rgba(0, 51, 160, 0.07);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}
.audience-icon svg { width: 26px; height: 26px; }

.audience-card h3 { font-size: 1.5rem; color: var(--text); }

.audience-role {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.09em;
    margin-top: -0.5rem;
}

.audience-desc {
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.audience-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 0.5rem;
}
.audience-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--text);
    font-weight: 500;
    line-height: 1.5;
}
.audience-list li::before {
    content: '✓';
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

/* ===== How It Works ===== */
.how-it-works {
    padding: 6rem 0;
    background-color: var(--light-gray);
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.step {
    flex: 1;
    max-width: 230px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 1.25rem;
}

.step-number {
    font-family: 'Poppins', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.12em;
    margin-bottom: 1rem;
}

.step-icon {
    width: 64px;
    height: 64px;
    background: var(--white);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: var(--shadow);
    margin-bottom: 1.25rem;
    flex-shrink: 0;
}
.step-icon svg { width: 28px; height: 28px; }

.step h3 { font-size: 1.05rem; margin-bottom: 0.6rem; color: var(--text); }
.step p { font-size: 0.875rem; color: var(--text-light); line-height: 1.6; }

.step-connector {
    flex-shrink: 0;
    width: 48px;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    margin-top: 48px;
    opacity: 0.25;
}

/* ===== Modules ===== */
.modules {
    padding: 6rem 0;
    background-color: var(--white);
}

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

.module-card {
    background: var(--light-gray);
    border-radius: var(--radius);
    padding: 2rem;
    border: 1px solid transparent;
    transition: var(--transition);
}
.module-card:hover {
    border-color: var(--accent);
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.module-icon {
    width: 46px;
    height: 46px;
    background: rgba(0, 51, 160, 0.06);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.25rem;
}
.module-icon svg { width: 22px; height: 22px; }

.module-card h3 { font-size: 1rem; margin-bottom: 0.6rem; color: var(--text); }
.module-card p { font-size: 0.875rem; color: var(--text-light); line-height: 1.65; }

/* ===== White-Label ===== */
.white-label {
    padding: 6rem 0;
    background-color: var(--dark-section);
    position: relative;
    overflow: hidden;
}

.white-label::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -120px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.1) 0%, transparent 65%);
    pointer-events: none;
}

.white-label::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 51, 160, 0.12) 0%, transparent 65%);
    pointer-events: none;
}

.white-label-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.wl-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--white);
    margin-bottom: 1.25rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.wl-desc {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
    line-height: 1.75;
    margin-bottom: 1.75rem;
}

.wl-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 2.25rem;
}
.wl-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

.check { color: var(--accent); font-weight: 700; flex-shrink: 0; }

/* Brand Mockup */
.wl-visual { display: flex; justify-content: center; }

.brand-mockup {
    width: 100%;
    max-width: 380px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

.bm-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.bm-logo {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: var(--white);
}

.bm-powered {
    font-size: 0.62rem;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 0.04em;
}

.bm-body { padding: 20px; }

.bm-stats-row {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.bm-stat {
    flex: 1;
    border-radius: 8px;
    padding: 12px 8px;
    text-align: center;
}
.bm-stat.green { background: rgba(34, 197, 94, 0.12); }
.bm-stat.blue  { background: rgba(0, 180, 216, 0.12); }
.bm-stat.orange { background: rgba(245, 158, 11, 0.12); }

.bm-stat span {
    display: block;
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.45);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 4px;
}
.bm-stat strong {
    font-family: 'Poppins', sans-serif;
    font-size: 1.25rem;
    color: var(--white);
    font-weight: 700;
}

.bm-chart {
    display: flex;
    align-items: flex-end;
    gap: 7px;
    height: 68px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 4px;
    margin-bottom: 16px;
}
.bm-bar {
    flex: 1;
    height: var(--bh);
    background: linear-gradient(to top, var(--primary), var(--accent));
    border-radius: 3px 3px 0 0;
    opacity: 0.65;
}

.bm-status { display: flex; flex-direction: column; gap: 6px; }
.bm-status-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.55);
}
.bm-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}
.bm-dot.on { background: #22c55e; }
.bm-dot.warn { background: #f59e0b; }

/* ===== Testimonials ===== */
.testimonials {
    padding: 6rem 0;
    background-color: var(--light-gray);
}

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

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    border-top: 3px solid transparent;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.testimonial-card:hover {
    border-top-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.stars {
    color: #f59e0b;
    font-size: 0.875rem;
    letter-spacing: 3px;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-size: 0.9375rem;
    color: var(--text);
    line-height: 1.75;
    margin-bottom: 1.5rem;
    font-style: italic;
    flex: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--white);
    flex-shrink: 0;
    font-family: 'Poppins', sans-serif;
    letter-spacing: 0.05em;
}

.testimonial-author strong {
    display: block;
    font-size: 0.875rem;
    color: var(--text);
    margin-bottom: 2px;
}
.testimonial-author span {
    display: block;
    font-size: 0.75rem;
    color: var(--text-light);
    line-height: 1.4;
}

/* ===== Stats Bar ===== */
.stats-bar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 3.5rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-item { color: var(--white); }

.stat-number {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1;
}

.stat-suffix {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    opacity: 0.7;
    margin-top: 0.5rem;
}

/* ===== CTA Banner ===== */
.cta-banner {
    padding: 5.5rem 0;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-banner::before {
    content: '';
    position: absolute;
    top: -80px; left: -80px;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.07);
    pointer-events: none;
}
.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -50px; right: -50px;
    width: 200px; height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    pointer-events: none;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--white);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.cta-subtitle {
    color: rgba(255, 255, 255, 0.88);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* ===== Contact ===== */
.contact {
    padding: 6rem 0;
    background-color: var(--white);
}

.contact-form {
    max-width: 680px;
    margin: 0 auto;
    background: var(--light-gray);
    padding: 2.5rem;
    border-radius: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: var(--text);
    font-size: 0.9rem;
}

.required { color: #e63946; }

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 0.9375rem;
    font-family: inherit;
    border: 2px solid #e0e4ec;
    border-radius: 8px;
    transition: var(--transition);
    background-color: var(--white);
    color: var(--text);
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.75rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #9ca3af; }

.btn-submit {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.form-success {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem 2rem;
    background: var(--light-gray);
    border-radius: 16px;
}
.form-success p {
    color: var(--primary);
    font-weight: 600;
    font-size: 1.125rem;
}

/* ===== Footer ===== */
.footer {
    padding: 3.5rem 0 0;
    background-color: var(--hero-bg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.footer-logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    display: inline-block;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}
.footer-logo span { font-weight: 400; color: rgba(255, 255, 255, 0.45); }

.footer-tagline {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
    line-height: 1.65;
    max-width: 280px;
}

.footer-heading {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-links { list-style: none; }
.footer-links li {
    margin-bottom: 0.55rem;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
}
.footer-links a { color: rgba(255, 255, 255, 0.4); }
.footer-links a:hover { color: var(--white); }

.footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
}
.footer-bottom p { color: rgba(255, 255, 255, 0.25); font-size: 0.8125rem; }

/* ===== Scroll Animations ===== */
[data-animate] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.65s ease-out, transform 0.65s ease-out;
}
[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Technical Compatibility (Option D) ===== */
.compatibility {
    padding: 6rem 0;
    background: var(--light-gray);
}

.protocol-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.protocol-card {
    background: var(--white);
    border: 1px solid #e4e8f0;
    border-radius: 14px;
    padding: 1.75rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    transition: var(--transition);
}
.protocol-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.protocol-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.01em;
}

.protocol-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    flex-shrink: 0;
}

.protocol-name {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: -0.5rem;
}

.protocol-desc {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.65;
    flex: 1;
}

.protocol-use {
    font-size: 0.72rem;
    color: var(--accent-dark);
    font-weight: 600;
    background: rgba(0, 180, 216, 0.08);
    padding: 0.3rem 0.65rem;
    border-radius: 100px;
    align-self: flex-start;
}

.compat-statement {
    background: var(--white);
    border-radius: 16px;
    padding: 2.25rem 2.5rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: center;
    margin-bottom: 2rem;
    border: 1px solid #e4e8f0;
}

.compat-text h3 {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 0.6rem;
}
.compat-text p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
}

.compat-stat { text-align: center; flex-shrink: 0; }

.compat-stat-number {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.compat-stat-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-light);
    margin-top: 0.35rem;
    max-width: 110px;
    line-height: 1.4;
}

.plc-brands { margin-bottom: 2.5rem; }

.plc-brands-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 1.25rem;
}

.plc-grid {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.plc-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--white);
    border-radius: 100px;
    padding: 0.5rem 1rem;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text);
    border: 1px solid #e4e8f0;
    transition: var(--transition);
}
.plc-badge:hover { border-color: var(--accent); background: rgba(0, 180, 216, 0.04); }

.plc-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    flex-shrink: 0;
}

.plc-badge-more {
    color: var(--text-light);
    font-style: italic;
    font-weight: 500;
}

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

.security-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    border: 1px solid #e4e8f0;
    border-radius: var(--radius);
    background: var(--white);
}

.security-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 51, 160, 0.06);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}
.security-icon svg { width: 20px; height: 20px; }

.security-item h4 { font-size: 0.9rem; color: var(--text); margin-bottom: 0.3rem; }
.security-item p { font-size: 0.8rem; color: var(--text-light); line-height: 1.55; }

/* ===== Use Case Scenarios (Option A) ===== */
.use-cases {
    padding: 6rem 0;
    background: var(--white);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.use-case-card {
    background: var(--light-gray);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.use-case-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    opacity: 0;
    transition: var(--transition);
}
.use-case-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    background: var(--white);
}
.use-case-card:hover::before { opacity: 1; }

.uc-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.uc-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 0.25rem 0.65rem;
    border-radius: 100px;
}
.uc-tag.industry { background: rgba(0, 51, 160, 0.07); color: var(--primary); }
.uc-tag.type { background: rgba(0, 180, 216, 0.08); color: var(--accent-dark); }

.uc-scenario {
    font-size: 0.9375rem;
    color: var(--text);
    line-height: 1.75;
    flex: 1;
}

.uc-divider { height: 1px; background: #e4e8f0; }

.uc-result {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.uc-result-number {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    flex-shrink: 0;
    letter-spacing: -0.03em;
}

.uc-result-desc {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
    padding-top: 0.15rem;
}
.uc-result-desc strong {
    display: block;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 3px;
}

/* ===== Quantified Impact (Option B) ===== */
.impact {
    padding: 6rem 0;
    background: var(--light-gray);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.impact-card {
    border-radius: var(--radius);
    padding: 1.75rem;
    border: 1px solid #e4e8f0;
    background: var(--white);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    transition: var(--transition);
}
.impact-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }

.impact-card.accent-green  { border-top: 3px solid #22c55e; }
.impact-card.accent-blue   { border-top: 3px solid var(--accent); }
.impact-card.accent-purple { border-top: 3px solid #8b5cf6; }
.impact-card.accent-orange { border-top: 3px solid #f59e0b; }
.impact-card.accent-red    { border-top: 3px solid #ef4444; }
.impact-card.accent-primary { border-top: 3px solid var(--primary); }

.impact-number {
    font-family: 'Poppins', sans-serif;
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
}
.impact-card.accent-green  .impact-number { color: #16a34a; }
.impact-card.accent-blue   .impact-number { color: var(--accent-dark); }
.impact-card.accent-purple .impact-number { color: #7c3aed; }
.impact-card.accent-orange .impact-number { color: #d97706; }
.impact-card.accent-red    .impact-number { color: #dc2626; }
.impact-card.accent-primary .impact-number { color: var(--primary); }

.impact-label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.3;
}

.impact-context {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.55;
    padding-top: 0.5rem;
    border-top: 1px solid #edf0f5;
    margin-top: 0.25rem;
}
.impact-context strong { color: var(--text); font-weight: 600; }

.impact-note {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.78rem;
    color: var(--text-light);
    font-style: italic;
}

/* ===== FAQ (Option C) ===== */
.faq {
    padding: 6rem 0;
    background: var(--white);
}

.faq-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 5rem;
    align-items: flex-start;
}

.faq-sidebar { position: sticky; top: 96px; }

.faq-sidebar-desc {
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.faq-cta-note {
    background: var(--light-gray);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    border-left: 3px solid var(--accent);
    font-size: 0.875rem;
    color: var(--text);
    line-height: 1.6;
}
.faq-cta-note strong {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--primary);
    font-size: 0.9375rem;
}

.faq-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.faq-tab {
    padding: 0.5rem 1.1rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid #e4e8f0;
    transition: var(--transition);
    background: var(--white);
    color: var(--text-light);
    font-family: inherit;
}
.faq-tab.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.faq-tab:not(.active):hover { border-color: var(--primary); color: var(--primary); }

.faq-group { display: none; flex-direction: column; gap: 0.65rem; }
.faq-group.active { display: flex; }

.faq-item {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid #e4e8f0;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}
.faq-item.open { box-shadow: var(--shadow-lg); border-color: #d0d8e8; }

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.2rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    transition: color 0.2s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-item.open .faq-question { color: var(--primary); }

.faq-icon {
    width: 26px;
    height: 26px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.faq-icon svg { width: 14px; height: 14px; color: var(--text-light); transition: color 0.2s ease; }
.faq-item.open .faq-icon { background: var(--accent); transform: rotate(45deg); }
.faq-item.open .faq-icon svg { color: var(--white); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 400px; }

.faq-answer-inner {
    padding: 0 1.5rem 1.4rem;
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.75;
    border-top: 1px solid #f0f3f8;
    padding-top: 1rem;
}
.faq-answer-inner strong { color: var(--text); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .modules-grid { grid-template-columns: repeat(2, 1fr); }
    .protocol-grid { grid-template-columns: repeat(2, 1fr); }
    .use-cases-grid { grid-template-columns: 1fr; }
    .impact-grid { grid-template-columns: repeat(2, 1fr); }
    .white-label-inner { grid-template-columns: 1fr; gap: 3rem; }
    .wl-visual { order: -1; }
    .faq-layout { grid-template-columns: 1fr; gap: 3rem; }
    .faq-sidebar { position: static; }
    .compat-statement { grid-template-columns: 1fr; gap: 1.5rem; text-align: center; }
    .compat-stat-label { max-width: none; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .btn-nav-cta { display: none; }
    .nav-menu { margin-left: 0; }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: rgba(6, 13, 31, 0.98);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        backdrop-filter: blur(16px);
    }
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .hero { min-height: auto; padding: 8rem 0 5rem; }
    .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-visual { height: 320px; }
    .widget-float { display: none; }
    .widget-main { max-width: 320px; }

    .scroll-indicator { display: none; }

    .audiences { padding: 4rem 0; }
    .audience-card-single { grid-template-columns: 1fr; padding: 2rem; gap: 2rem; }

    .how-it-works { padding: 4rem 0; }
    .steps { flex-direction: column; align-items: center; gap: 1.5rem; }
    .step-connector { width: 2px; height: 30px; margin-top: 0; }
    .step { max-width: 400px; padding: 0; }

    .modules { padding: 4rem 0; }
    .modules-grid { grid-template-columns: 1fr; }

    .white-label { padding: 4rem 0; }

    .compatibility { padding: 4rem 0; }
    .protocol-grid { grid-template-columns: 1fr; }
    .security-strip { grid-template-columns: 1fr; }
    .use-cases { padding: 4rem 0; }
    .use-cases-grid { grid-template-columns: 1fr; }
    .impact { padding: 4rem 0; }
    .impact-grid { grid-template-columns: 1fr; }
    .faq { padding: 4rem 0; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }

    .contact { padding: 4rem 0; }
    .contact-form { padding: 1.75rem 1.25rem; }
    .form-row { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
    .footer-tagline { max-width: none; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.1rem; }
    .section-title { font-size: 1.5rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-number { font-size: 1.75rem; }
    .widget-main { max-width: 290px; }
    .wl-title { font-size: 2rem; }
}