/* ==========================================================================
   Carrier-OTT Subscription Gateway — Design System
   ========================================================================== */

:root {
    --bg: #05070a;
    --surface: #0d1117;
    --surface-elevated: #111827;
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --secondary: #6366f1;
    --accent: #10b981;
    --accent-light: #a7f3d0;
    --warning: #f59e0b;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.12);
    --text: #f8fafc;
    --muted: #94a3b8;
    --muted-soft: #cbd5e1;
    --nav-height: 5rem;
    --radius-sm: 0.75rem;
    --radius-md: 1rem;
    --radius-lg: 1.35rem;
    --radius-xl: 1.65rem;
    --radius-2xl: 2rem;
    --shadow-panel: 0 24px 80px rgba(0, 0, 0, 0.42);
    --shadow-glow: 0 0 80px rgba(59, 130, 246, 0.18);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-height) + 1rem);
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    background-color: var(--bg);
    color: var(--text);
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
svg,
video,
canvas {
    max-width: 100%;
    height: auto;
}

::selection {
    background: rgba(59, 130, 246, 0.35);
    color: #ffffff;
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */

.glass {
    background: linear-gradient(180deg, rgba(13, 17, 23, 0.82), rgba(5, 7, 10, 0.78));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.gradient-text,
.gradient-primary {
    background: linear-gradient(135deg, #f8fafc 0%, #60a5fa 38%, #818cf8 70%, #a7f3d0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.grid-bg {
    background-image:
        linear-gradient(rgba(31, 41, 55, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(31, 41, 55, 0.12) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 20%, transparent 100%);
}

/* --------------------------------------------------------------------------
   Site navigation
   -------------------------------------------------------------------------- */

.site-nav {
    height: var(--nav-height);
    background: rgba(5, 7, 10, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.site-nav.is-scrolled,
nav.fixed.is-scrolled {
    background: rgba(5, 7, 10, 0.92);
    border-bottom-color: var(--border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.site-logo {
    display: block;
    flex-shrink: 0;
    transition: opacity var(--transition), transform var(--transition);
}

a:hover .site-logo {
    opacity: 0.92;
    transform: translateY(-1px);
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(99, 102, 241, 0.18));
    border: 1px solid rgba(59, 130, 246, 0.35);
    color: #93c5fd;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    flex-shrink: 0;
    transition: transform var(--transition), box-shadow var(--transition);
}

a:hover .brand-mark {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.25);
}

.brand-mark.small {
    width: 2rem;
    height: 2rem;
    font-size: 0.62rem;
}

.nav-link {
    position: relative;
    transition: color var(--transition);
}

.nav-link:hover {
    color: #ffffff;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -6px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 999px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.mobile-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}

.mobile-toggle:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--border-strong);
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    border-radius: 999px;
    background: var(--text);
    transition: transform var(--transition), opacity var(--transition);
}

.mobile-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.is-open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-panel {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 0 1.5rem;
    border-top: 1px solid var(--border);
    animation: slideDown 240ms ease-out;
}

body.nav-open {
    overflow: hidden;
}

.mobile-panel a {
    display: block;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition), background var(--transition);
}

.mobile-panel a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}

.mobile-panel a:last-child,
.mobile-panel a:nth-last-child(2) {
    margin-top: 0.5rem;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Partial header (legacy nav.fixed) */
nav.fixed {
    background: rgba(5, 7, 10, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

#mobile-menu a {
    transition: color var(--transition);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.6rem;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: #ffffff;
    border: 1px solid rgba(96, 165, 250, 0.4);
    box-shadow: 0 8px 28px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero-aurora {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-aurora::before,
.hero-aurora::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: auroraDrift 18s ease-in-out infinite alternate;
}

.hero-aurora::before {
    width: 55%;
    height: 45%;
    top: -5%;
    left: -10%;
    background: rgba(59, 130, 246, 0.22);
}

.hero-aurora::after {
    width: 45%;
    height: 40%;
    top: 10%;
    right: -5%;
    background: rgba(99, 102, 241, 0.18);
    animation-delay: -6s;
}

.hero-radial {
    background:
        radial-gradient(ellipse 60% 50% at 30% 20%, rgba(59, 130, 246, 0.12), transparent 60%),
        radial-gradient(ellipse 50% 40% at 80% 60%, rgba(16, 185, 129, 0.08), transparent 55%);
}

@keyframes auroraDrift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(3%, 5%) scale(1.08); }
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    max-width: 100%;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    border: 1px solid rgba(59, 130, 246, 0.25);
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-light);
    font-size: clamp(0.62rem, 2.4vw, 0.7rem);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    text-wrap: balance;
    text-align: left;
}

.eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 14px rgba(16, 185, 129, 0.75);
    flex-shrink: 0;
}

.pill {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.65rem;
    transition: border-color var(--transition), background var(--transition);
}

.pill:hover {
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.08);
}

/* Hero console / flow board */
.hero-console {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-panel), var(--shadow-glow);
}

.console-topbar {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    height: 2.75rem;
    padding: 0 1.1rem;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.console-topbar span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: rgba(148, 163, 184, 0.45);
}

.console-topbar span:nth-child(1) { background: #ef4444; opacity: 0.7; }
.console-topbar span:nth-child(2) { background: #f59e0b; opacity: 0.7; }
.console-topbar span:nth-child(3) { background: #22c55e; opacity: 0.7; }

.console-topbar strong {
    margin-left: auto;
    color: var(--muted-soft);
    font-weight: 600;
}

.flow-board {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
    padding: 1.1rem;
    min-height: 340px;
}

.flow-board .flow-card {
    position: relative;
    z-index: 2;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: rgba(5, 7, 10, 0.65);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.flow-board .flow-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.flow-board .flow-card small {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--primary-light);
    opacity: 0.8;
    margin-bottom: 0.25rem;
}

.flow-board .flow-card strong {
    display: block;
    font-size: 0.82rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.02em;
    margin-bottom: 0.2rem;
    line-height: 1.2;
}

.flow-board .flow-card span {
    display: block;
    font-size: 0.68rem;
    color: var(--muted);
    line-height: 1.45;
}

.flow-board .flow-card.subscriber { border-color: rgba(148, 163, 184, 0.2); grid-column: 1; }
.flow-board .flow-card.acquisition { border-color: rgba(96, 165, 250, 0.35); grid-column: 2; }
.flow-board .flow-card.core {
    grid-column: 1 / -1;
    border-color: rgba(59, 130, 246, 0.45);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(99, 102, 241, 0.06)), rgba(5, 7, 10, 0.7);
}
.flow-board .flow-card.provider { border-color: rgba(16, 185, 129, 0.35); }
.flow-board .flow-card.finance { border-color: rgba(245, 158, 11, 0.3); }
.flow-board .flow-card.manager {
    grid-column: 1 / -1;
    border-color: rgba(129, 140, 248, 0.35);
}

.flow-line {
    position: absolute;
    z-index: 1;
    background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.35), transparent);
    height: 1px;
    pointer-events: none;
}

.flow-line.line-1 { top: 22%; left: 15%; right: 15%; }
.flow-line.line-2 { top: 38%; left: 10%; right: 10%; }
.flow-line.line-3 { top: 52%; left: 20%; right: 20%; opacity: 0.5; }
.flow-line.line-4 { top: 68%; left: 15%; right: 15%; }
.flow-line.line-5 { top: 82%; left: 25%; right: 25%; opacity: 0.4; }

.console-footer {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    padding: 0.85rem 1.1rem;
    border-top: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
}

.console-footer div {
    text-align: center;
    padding: 0.5rem;
}

.console-footer strong {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.15rem;
}

.console-footer span {
    display: block;
    font-size: 0.62rem;
    color: var(--muted);
    line-height: 1.35;
}

.floating-chip {
    position: absolute;
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--border-strong);
    background: rgba(5, 7, 10, 0.88);
    backdrop-filter: blur(12px);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--muted-soft);
    white-space: nowrap;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    animation: chipFloat 5s ease-in-out infinite;
}

.floating-chip.chip-a {
    top: -0.5rem;
    right: -0.5rem;
    border-color: rgba(59, 130, 246, 0.35);
}

.floating-chip.chip-b {
    bottom: 2rem;
    left: -1rem;
    animation-delay: -2.5s;
    border-color: rgba(16, 185, 129, 0.35);
}

@keyframes chipFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* --------------------------------------------------------------------------
   Audience bar
   -------------------------------------------------------------------------- */

.audience-pill {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--muted-soft);
    font-size: 0.82rem;
    font-weight: 600;
    transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.audience-pill:hover {
    border-color: rgba(59, 130, 246, 0.25);
    background: rgba(59, 130, 246, 0.06);
    color: #ffffff;
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.section-pad {
    padding: clamp(5rem, 10vw, 8rem) 0;
}

.section-glow {
    position: absolute;
    width: 50%;
    height: 60%;
    pointer-events: none;
    filter: blur(100px);
    opacity: 0.5;
}

.section-glow.left {
    top: 10%;
    left: -15%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 70%);
}

.section-glow.right {
    top: 20%;
    right: -15%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12), transparent 70%);
}

.section-glow.center {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(59, 130, 246, 0.14), transparent 65%);
}

.section-title {
    font-weight: 900;
    letter-spacing: -0.05em;
    line-height: 1.05;
    font-size: clamp(2rem, 4.5vw, 3.75rem);
    color: #ffffff;
}

.section-lede {
    color: var(--muted);
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    line-height: 1.75;
    margin-top: 1.25rem;
    max-width: 52ch;
    margin-left: auto;
    margin-right: auto;
}

.section-lede.text-left {
    margin-left: 0;
    margin-right: 0;
}

/* --------------------------------------------------------------------------
   Definition cards
   -------------------------------------------------------------------------- */

.definition-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.definition-card {
    padding: 1.75rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.definition-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.definition-card.positive {
    border-color: rgba(59, 130, 246, 0.28);
    background: linear-gradient(160deg, rgba(59, 130, 246, 0.08), transparent 50%), rgba(255, 255, 255, 0.02);
}

.definition-card.negative {
    border-color: rgba(148, 163, 184, 0.15);
}

.definition-card h3 {
    font-size: 1.1rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.definition-card.positive h3 { color: #93c5fd; }
.definition-card.negative h3 { color: var(--muted); }

.definition-card ul {
    display: grid;
    gap: 0.65rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.definition-card li {
    position: relative;
    padding-left: 1.15rem;
    color: var(--muted-soft);
    font-size: 0.92rem;
    line-height: 1.6;
}

.definition-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 5px;
    height: 5px;
    border-radius: 999px;
}

.definition-card.positive li::before { background: var(--primary-light); }
.definition-card.negative li::before { background: rgba(148, 163, 184, 0.5); }

.rule-panel {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.35rem 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(59, 130, 246, 0.25);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(99, 102, 241, 0.05));
}

.rule-panel > span {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--primary-light);
    font-weight: 600;
}

.rule-panel p {
    color: var(--muted-soft);
    font-size: 0.95rem;
    line-height: 1.65;
}

/* --------------------------------------------------------------------------
   Module stack
   -------------------------------------------------------------------------- */

.module-stack {
    display: grid;
    gap: 1rem;
}

.module-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.25rem;
    align-items: start;
    padding: 1.75rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background: rgba(5, 7, 10, 0.5);
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.module-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.module-card.acquisition { border-left: 3px solid rgba(96, 165, 250, 0.6); }
.module-card.operator { border-left: 3px solid rgba(245, 158, 11, 0.6); }
.module-card.core { border-left: 3px solid rgba(59, 130, 246, 0.7); }
.module-card.provider { border-left: 3px solid rgba(16, 185, 129, 0.6); }
.module-card.manager { border-left: 3px solid rgba(129, 140, 248, 0.6); }

.module-number {
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-md);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.22);
    color: #93c5fd;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.module-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-light);
    margin-bottom: 0.35rem;
}

.module-card h3 {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    font-weight: 900;
    color: #ffffff;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
    line-height: 1.15;
}

.module-card p {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.65;
    margin-bottom: 1rem;
}

.module-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.module-tags span {
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--muted);
    font-size: 0.72rem;
    font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   Journey timeline
   -------------------------------------------------------------------------- */

.sticky-copy {
    position: sticky;
    top: calc(var(--nav-height) + 2rem);
}

.journey-list {
    display: grid;
    gap: 0.85rem;
}

.journey-step {
    display: grid;
    grid-template-columns: 3.25rem 1fr;
    gap: 1rem;
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.025);
    transition: border-color var(--transition), background var(--transition);
}

.journey-step:hover {
    border-color: rgba(59, 130, 246, 0.2);
    background: rgba(59, 130, 246, 0.04);
}

.journey-step > span {
    display: grid;
    place-items: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: var(--radius-md);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.25);
    color: #93c5fd;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 800;
}

.journey-step h3 {
    font-size: 1.05rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.35rem;
    letter-spacing: -0.02em;
}

.journey-step p {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.65;
}

.flow-note {
    margin-top: 1.5rem;
    padding: 1.1rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(16, 185, 129, 0.25);
    background: rgba(16, 185, 129, 0.06);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--muted-soft);
}

.flow-note strong {
    color: var(--accent-light);
}

/* --------------------------------------------------------------------------
   Trust / truth / guardrails
   -------------------------------------------------------------------------- */

.truth-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.truth-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    transition: transform var(--transition), border-color var(--transition);
}

.truth-card:hover {
    transform: translateY(-3px);
    border-color: rgba(59, 130, 246, 0.2);
}

.truth-card > span {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-light);
    margin-bottom: 0.6rem;
}

.truth-card h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.45rem;
    letter-spacing: -0.02em;
}

.truth-card p {
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.6;
}

.guardrail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
}

.guardrail-card {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1.15rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.025);
}

.guardrail-card strong {
    color: #ffffff;
    font-size: 0.92rem;
    font-weight: 700;
}

.guardrail-card span {
    color: var(--muted);
    font-size: 0.86rem;
    line-height: 1.55;
}

/* --------------------------------------------------------------------------
   Capabilities
   -------------------------------------------------------------------------- */

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

.cap-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.025);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.cap-card:hover {
    transform: translateY(-3px);
    border-color: rgba(59, 130, 246, 0.22);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25);
}

.cap-icon {
    display: grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-sm);
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.25);
    color: #93c5fd;
    font-family: var(--font-mono);
    font-weight: 800;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.cap-card h3 {
    font-size: 1rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.45rem;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.cap-card p {
    color: var(--muted);
    font-size: 0.86rem;
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Gateway Manager
   -------------------------------------------------------------------------- */

.manager-list {
    display: grid;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.manager-list > div {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 1rem 1.15rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    transition: border-color var(--transition);
}

.manager-list > div:hover {
    border-color: rgba(99, 102, 241, 0.25);
}

.manager-list strong {
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 700;
}

.manager-list span {
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1.5;
}

.dashboard-shell {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-panel);
}

.dashboard-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    font-size: 0.8rem;
}

.dashboard-topbar span {
    color: var(--muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.dashboard-topbar strong {
    color: var(--accent-light);
    font-weight: 700;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
    padding: 1rem;
}

.dash-widget {
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
}

.dash-widget.large {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.08), rgba(245, 158, 11, 0.05));
    border-color: rgba(239, 68, 68, 0.2);
}

.dash-widget.wide {
    grid-column: span 2;
}

.dash-widget > span {
    display: block;
    font-size: 0.68rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin-bottom: 0.35rem;
}

.dash-widget strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 900;
    color: #ffffff;
    letter-spacing: -0.03em;
    line-height: 1;
}

.dash-widget em {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.72rem;
    font-style: normal;
    color: var(--muted);
}

.mini-timeline {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin: 0.5rem 0;
}

.mini-timeline i {
    flex: 1;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    opacity: 0.7;
}

/* --------------------------------------------------------------------------
   Outcomes & personas
   -------------------------------------------------------------------------- */

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

.outcome-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.025);
    transition: transform var(--transition), border-color var(--transition);
}

.outcome-card:hover {
    transform: translateY(-3px);
    border-color: rgba(59, 130, 246, 0.2);
}

.outcome-card h3 {
    font-size: 1.05rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.outcome-card p {
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.6;
}

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

.persona-card {
    padding: 1.75rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.025);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.persona-card:hover {
    transform: translateY(-3px);
    border-color: rgba(99, 102, 241, 0.22);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
}

.persona-card > span {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-light);
    margin-bottom: 0.65rem;
}

.persona-card h3 {
    font-size: 1.2rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.5rem;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.persona-card p {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.65;
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.contact-shell {
    border-radius: var(--radius-2xl);
    padding: clamp(1.75rem, 4vw, 2.75rem);
    box-shadow: var(--shadow-panel), var(--shadow-glow);
}

.contact-points {
    display: grid;
    gap: 0.75rem;
}

.contact-points > div {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.9rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
}

.contact-points strong {
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: 700;
}

.contact-points span {
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.45;
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.contact-form label {
    display: block;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-strong);
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: rgba(59, 130, 246, 0.6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
    background: rgba(255, 255, 255, 0.07);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(148, 163, 184, 0.55);
}

.contact-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

.contact-form select option {
    background: var(--surface);
    color: var(--text);
}

.contact-form textarea {
    resize: vertical;
    min-height: 7rem;
}

.form-note {
    font-size: 0.82rem;
    color: var(--muted);
    text-align: center;
}

.form-note a {
    color: var(--primary-light);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.form-note a:hover {
    color: #ffffff;
}

/* --------------------------------------------------------------------------
   Footers
   -------------------------------------------------------------------------- */

.site-footer-bar {
    background: rgba(0, 0, 0, 0.25);
    border-top: 1px solid var(--border);
}

.site-footer {
    background: linear-gradient(180deg, rgba(13, 17, 23, 0.5), rgba(5, 7, 10, 0.8));
    border-top: 1px solid var(--border);
}

.site-footer h4 {
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.site-footer ul a {
    display: inline-block;
    transition: color var(--transition), transform var(--transition);
}

.site-footer ul a:hover {
    color: #ffffff;
    transform: translateX(2px);
}

.site-footer .footer-brand img {
    transition: opacity var(--transition);
}

.site-footer .footer-brand:hover img {
    opacity: 1;
}

/* --------------------------------------------------------------------------
   Legacy / shared utilities
   -------------------------------------------------------------------------- */

.form-input {
    width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-strong);
    background: rgba(255, 255, 255, 0.055);
    color: #ffffff;
    padding: 0.95rem 1rem;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.form-input:focus {
    border-color: rgba(59, 130, 246, 0.7);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
    background: rgba(255, 255, 255, 0.075);
}

.form-input::placeholder {
    color: rgba(148, 163, 184, 0.64);
}

.form-label {
    display: block;
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: #1f2937;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #374151;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

/* Keep AOS horizontal slides from causing sideways overflow on small screens */
@media (max-width: 1024px) {
    [data-aos="fade-left"],
    [data-aos="fade-right"],
    [data-aos="zoom-in"] {
        transform: translate3d(0, 16px, 0) !important;
    }

    [data-aos="fade-left"].aos-animate,
    [data-aos="fade-right"].aos-animate,
    [data-aos="zoom-in"].aos-animate {
        transform: none !important;
    }
}

@media (max-width: 1024px) {
    :root {
        --nav-height: 4.5rem;
    }

    .sticky-copy {
        position: static;
    }

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

    .capability-grid,
    .outcome-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .console-footer {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .console-footer div {
        text-align: left;
        padding: 0.35rem 0;
    }

    .floating-chip {
        display: none;
    }

    .module-card,
    .definition-card,
    .cap-card,
    .outcome-card,
    .persona-card,
    .truth-card {
        padding: 1.35rem;
    }

    .hero-console {
        border-radius: var(--radius-xl);
    }

    .flow-board {
        min-height: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 4rem;
    }

    .definition-grid,
    .guardrail-grid,
    .persona-grid {
        grid-template-columns: 1fr;
    }

    .truth-grid,
    .capability-grid,
    .outcome-grid {
        grid-template-columns: 1fr;
    }

    .module-card {
        grid-template-columns: 1fr;
        gap: 0.85rem;
        padding: 1.25rem;
    }

    .module-number {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 0.72rem;
    }

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

    .dash-widget.wide {
        grid-column: span 2;
    }

    .flow-board {
        grid-template-columns: 1fr;
        gap: 0.55rem;
        padding: 0.85rem;
    }

    .flow-board .flow-card.acquisition,
    .flow-board .flow-card.core,
    .flow-board .flow-card.manager,
    .flow-board .flow-card.subscriber,
    .flow-board .flow-card.provider,
    .flow-board .flow-card.finance {
        grid-column: 1;
    }

    .flow-line {
        display: none;
    }

    .journey-step {
        grid-template-columns: 2.5rem 1fr;
        gap: 0.75rem;
        padding: 1rem;
    }

    .journey-step > span {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 0.7rem;
    }

    .section-title {
        font-size: clamp(1.75rem, 7vw, 2.5rem);
        letter-spacing: -0.04em;
    }

    .section-lede {
        font-size: 1rem;
        max-width: none;
    }

    .audience-pill {
        padding: 0.7rem 0.65rem;
        font-size: 0.75rem;
        line-height: 1.3;
    }

    .rule-panel {
        padding: 1.1rem 1.15rem;
    }

    .contact-shell {
        padding: 1.35rem;
        border-radius: var(--radius-xl);
    }

    .dash-widget strong {
        font-size: 1.25rem;
    }

    .site-footer-bar .footer-copy {
        text-align: center;
    }

    .mobile-panel {
        max-height: min(70vh, 28rem);
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }

    /* Prevent fixed nav + open panel from stretching awkwardly on short viewports */
    .site-nav {
        max-height: 100dvh;
    }
}

@media (max-width: 520px) {
    .section-pad {
        padding: 3.5rem 0;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 0.55rem;
        padding: 0.75rem;
    }

    .dash-widget.wide {
        grid-column: 1;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .pill {
        font-size: 0.6rem;
        padding: 0.45rem 0.7rem;
    }

    .flow-board .flow-card {
        padding: 0.75rem 0.85rem;
    }

    .console-topbar {
        padding: 0 0.85rem;
        letter-spacing: 0.06em;
    }

    .console-topbar strong {
        font-size: 0.65rem;
    }

    .definition-card,
    .cap-card,
    .outcome-card,
    .persona-card,
    .truth-card,
    .guardrail-card {
        padding: 1.1rem;
    }

    .module-card h3 {
        font-size: 1.15rem;
    }

    .contact-form input,
    .contact-form select,
    .contact-form textarea,
    #login-form input {
        font-size: 16px; /* avoid iOS input zoom */
    }
}

@media (max-width: 380px) {
    .audience-pill {
        font-size: 0.7rem;
        padding: 0.6rem 0.45rem;
    }

    .journey-step {
        grid-template-columns: 1fr;
    }

    .journey-step > span {
        width: 2.25rem;
        height: 2.25rem;
    }
}

/* Safe areas for notched phones */
@supports (padding: env(safe-area-inset-left)) {
    body {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .site-nav {
        padding-top: env(safe-area-inset-top);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .hero-aurora::before,
    .hero-aurora::after,
    .floating-chip {
        animation: none;
    }

    .btn-primary:hover,
    .btn-secondary:hover,
    .flow-board .flow-card:hover,
    .module-card:hover,
    .truth-card:hover,
    .cap-card:hover,
    .outcome-card:hover,
    .persona-card:hover {
        transform: none;
    }
}