/* =================================================================
   MC27-IP v2  —  Stylesheet
   Design: molderez-consult.be design system (exact port)
   Breakpoints: 360 / 480 / 768 / 1024 / 1280 / 1536
   Zero CDN — all fonts self-hosted
   ================================================================= */

/* -----------------------------------------------------------------
   DESIGN TOKENS  (exact match with molderez-consult.be)
   ----------------------------------------------------------------- */
:root {
    --font-main: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 16px;
    --radius-sm: 8px;
    --max-w: 1200px;
}

/* Dark theme (default) — aligned with molderez-design-tokens.json */
[data-theme="dark"],
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #1c1c2b;
    --bg-card-hover: #252536;
    --bg-glass: rgba(28, 28, 43, 0.75);
    --text-primary: #f2f2f8;
    --text-secondary: #9e9eb8;
    --text-muted: #666680;
    --accent: #6c5ce7;
    --accent-light: #a29bfe;
    --accent-glow: rgba(108, 92, 231, 0.25);
    --gradient-hero: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 50%, #74b9ff 100%);
    --gradient-card: linear-gradient(135deg, rgba(108,92,231,0.08) 0%, rgba(162,155,254,0.04) 100%);
    --nav-bg: rgba(10, 10, 15, 0.85);
    --border: rgba(255, 255, 255, 0.09);
    --border-hover: rgba(255, 255, 255, 0.18);
    --secondary: #f5a623;
    --secondary-light: #fbc95c;
    --secondary-glow: rgba(245, 166, 35, 0.12);
    --green: #00b894;
    --green-glow: rgba(0, 184, 148, 0.12);
    --cyan: #74b9ff;
    --cyan-glow: rgba(116, 185, 255, 0.12);
    --orange: #fdcb6e;
    --orange-glow: rgba(253, 203, 110, 0.12);
    --pink: #e17055;
    --pink-glow: rgba(225, 112, 85, 0.12);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3), 0 0 0 1px rgba(255,255,255,0.04);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.06);
    --shadow-lg: 0 16px 50px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.06);
    --dot-color: rgba(255, 255, 255, 0.03);
}

/* Light theme — aligned with molderez-design-tokens.json */
[data-theme="light"] {
    --bg-primary: #fafafe;
    --bg-secondary: #f0f0f8;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f7ff;
    --bg-glass: rgba(255, 255, 255, 0.85);
    --text-primary: #1a1a2e;
    --text-secondary: #5a5a72;
    --text-muted: #8888a0;
    --nav-bg: rgba(250, 250, 254, 0.9);
    --border: rgba(0, 0, 0, 0.07);
    --border-hover: rgba(0, 0, 0, 0.14);
    --accent-light: #7c6ef0;
    --accent-glow: rgba(108, 92, 231, 0.15);
    --secondary: #e8850c;
    --secondary-light: #f5a623;
    --secondary-glow: rgba(232, 133, 12, 0.10);
    --green-glow: rgba(0, 184, 148, 0.10);
    --cyan: #0984e3;
    --cyan-glow: rgba(9, 132, 227, 0.10);
    --pink: #d63031;
    --pink-glow: rgba(214, 48, 49, 0.10);
    --orange: #e17055;
    --orange-glow: rgba(225, 112, 85, 0.10);
    --gradient-card: linear-gradient(135deg, rgba(108,92,231,0.05) 0%, rgba(162,155,254,0.02) 100%);
    --shadow-sm: 0 2px 8px rgba(108,92,231,0.06), 0 4px 16px rgba(0,0,0,0.05);
    --shadow-md: 0 6px 24px rgba(108,92,231,0.08), 0 8px 32px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 48px rgba(108,92,231,0.10), 0 16px 48px rgba(0,0,0,0.10);
    --dot-color: rgba(0, 0, 0, 0.03);
}

/* -----------------------------------------------------------------
   RESET & BASE
   ----------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: background var(--transition), color var(--transition);
    overflow-x: hidden;
}

a { color: var(--accent-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }

/* -----------------------------------------------------------------
   ACCESSIBILITY
   ----------------------------------------------------------------- */
.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* -----------------------------------------------------------------
   DOT-GRID BACKGROUND  (homepage signature pattern)
   ----------------------------------------------------------------- */
.dot-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(var(--dot-color) 1px, transparent 1px);
    background-size: 30px 30px;
}

/* -----------------------------------------------------------------
   CONTAINER
   ----------------------------------------------------------------- */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 2rem;
}

/* -----------------------------------------------------------------
   ANIMATIONS
   ----------------------------------------------------------------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
@keyframes glowPulse {
    0%   { opacity: 0.4; transform: translateX(-50%) scale(1); }
    100% { opacity: 0.7; transform: translateX(-50%) scale(1.15); }
}
@keyframes nlSlideUp {
    from { transform: translateY(40px); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}

/* Scroll reveal */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* -----------------------------------------------------------------
   NAVIGATION  (exact homepage pattern)
   ----------------------------------------------------------------- */
.site-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition), box-shadow var(--transition);
}

.nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    gap: 1rem;
}

/* Brand */
.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}
.nav-brand i {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: var(--gradient-hero);
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
}

/* Desktop links */
.nav-links {
    display: none;
    align-items: center;
    gap: 0;
    flex: 1;
    justify-content: center;
}
.nav-links > a,
.nav-links > .nav-dropdown {
    padding: 0 0.65rem;
}
.nav-links > a {
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 500;
    white-space: nowrap;
    transition: color var(--transition);
    position: relative;
}
.nav-links > a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    transition: width var(--transition);
}
.nav-links > a:hover { color: var(--text-primary); }
.nav-links > a:hover::after { width: 100%; }
.nav-links > a.active { color: var(--accent-light); }
.nav-links > a.active::after { width: 100%; background: var(--accent-light); }

/* Dropdown (tools / lang) */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
    display: inline-flex; align-items: center; gap: 0.3rem;
    background: none; border: none; cursor: pointer;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.82rem; font-weight: 500;
    transition: color var(--transition);
}
.nav-dropdown-toggle:hover,
.nav-dropdown:hover .nav-dropdown-toggle { color: var(--text-primary); }
.nav-dropdown-toggle i.fa-chevron-down {
    font-size: 0.6rem;
    transition: transform var(--transition);
}
.nav-dropdown.open .nav-dropdown-toggle i.fa-chevron-down {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    list-style: none;
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    min-width: 205px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    padding: 0.4rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 120;
}
.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -12px; left: 0; right: 0;
    height: 12px;
}
.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu a {
    display: flex; align-items: center; gap: 0.55rem;
    padding: 0.55rem 0.8rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    white-space: nowrap;
    font-size: 0.85rem;
    width: 100%;
    transition: background var(--transition), color var(--transition);
}
.nav-dropdown-menu a::after { display: none !important; }
.nav-dropdown-menu a:hover,
.nav-dropdown-menu a.active {
    background: var(--accent-glow);
    color: var(--text-primary);
}
.nav-dropdown-menu a i {
    color: var(--secondary);
    width: 16px; text-align: center;
}

/* Language dropdown */
.nav-lang-toggle {
    display: flex; align-items: center; gap: 0.4rem;
    padding: 0.45rem 0.85rem;
    background: var(--bg-card);
    border: none; border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.82rem; font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}
.nav-lang-toggle:hover {
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
}
.nav-lang-toggle i.fa-chevron-down { font-size: 0.6rem; transition: transform var(--transition); }
.nav-lang-dropdown.open .nav-lang-toggle i.fa-chevron-down { transform: rotate(180deg); }

.nav-lang-menu {
    left: auto; right: 0;
    transform: translateX(0) translateY(-8px);
    min-width: 140px;
}
.nav-lang-dropdown.open .nav-lang-menu {
    transform: translateX(0) translateY(0);
}
.nav-lang-menu a.active {
    color: var(--accent);
    font-weight: 600;
}

/* Controls */
.nav-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

/* Theme toggle */
.nav-theme-toggle {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-card);
    border: none; border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}
.nav-theme-toggle:hover {
    box-shadow: var(--shadow-md);
    color: var(--accent);
}
#themeIconSun  { display: inline; }
#themeIconMoon { display: none; }
[data-theme="light"] #themeIconSun  { display: none; }
[data-theme="light"] #themeIconMoon { display: inline; }

/* Hamburger */
.nav-hamburger {
    display: none;
    width: 40px; height: 40px;
    align-items: center; justify-content: center;
    background: var(--bg-card);
    border: none; border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.2rem;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    flex-direction: column;
    gap: 5px;
    padding: 10px;
}
.nav-hamburger:hover { box-shadow: var(--shadow-md); color: var(--secondary); }
.nav-hamburger span {
    display: block;
    width: 20px; height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile overlay */
.mobile-overlay {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0; visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}
.mobile-overlay.open { opacity: 1; visibility: visible; }

/* Mobile nav panel */
.nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 60px; right: 0;
    width: 300px; max-width: 85vw;
    height: calc(100vh - 60px);
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--border);
    padding: 1.5rem 2rem;
    gap: 0.2rem;
    z-index: 1001;
    overflow-y: auto;
    animation: fadeIn 0.2s ease;
}
.nav-links.mobile-open > a {
    padding: 0.75rem 0;
    font-size: 0.92rem;
    border-bottom: 1px solid var(--border);
}
.nav-links.mobile-open > a::after { display: none; }
.nav-links.mobile-open .nav-dropdown {
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
}
.nav-links.mobile-open .nav-dropdown-toggle {
    font-size: 0.92rem;
    width: 100%;
    justify-content: space-between;
}
.nav-links.mobile-open .nav-dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0.3rem 0 0 1rem;
    min-width: 0;
    opacity: 1;
    visibility: visible;
}
.nav-links.mobile-open .nav-dropdown-menu::before { display: none; }

/* -----------------------------------------------------------------
   HERO  (homepage style with glow + gradient text)
   ----------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: auto;
    display: flex; align-items: center; justify-content: center;
    text-align: center;
    padding: 8rem 2rem 3rem;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: var(--accent-glow);
    filter: blur(120px);
    top: 5%; left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
    animation: glowPulse 6s ease-in-out infinite alternate;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 820px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.2rem;
    background: var(--secondary-glow);
    border-radius: 100px;
    box-shadow: 0 2px 12px var(--secondary-glow);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
}
.hero-badge i { font-size: 0.75rem; }

.hero-ip {
    font-family: var(--font-mono);
    font-size: clamp(2.5rem, 5vw, 4.2rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 1.25rem;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    word-break: break-all;
    animation: fadeInUp 0.6s ease both;
}
.hero-ip--unavailable {
    font-family: var(--font-main);
    font-size: 1.5rem;
    color: var(--text-muted);
    -webkit-text-fill-color: var(--text-muted);
    background: none;
}

.hero-sub {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.2s both;
}

/* -----------------------------------------------------------------
   SECTIONS  (homepage pattern)
   ----------------------------------------------------------------- */
section { position: relative; z-index: 1; }
.section-padding { padding: 5rem 2rem; }
.section { padding: 3rem 0; }
.section--lookup { padding: 1.5rem 0 3rem; }
.section--api { padding: 0 0 4rem; }
.text-center { text-align: center; }
.bg-alt { background: var(--bg-secondary); }

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}
.section-label i { font-size: 0.7rem; }

.section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 1rem;
}
.gradient-text {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.8;
}

.section-header {
    margin-bottom: 2.5rem;
}
.section-header.center {
    text-align: center;
}
.section-header.center .section-desc {
    margin-left: auto; margin-right: auto;
}

/* -----------------------------------------------------------------
   BADGES  (homepage pattern)
   ----------------------------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.8rem;
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.badge-protocol {
    background: var(--accent-glow);
    color: var(--accent-light);
    border: 1px solid rgba(108, 92, 231, 0.25);
    font-size: 0.8rem;
    padding: 0.4rem 1rem;
}
.badge-accent {
    background: var(--accent-glow);
    color: var(--accent-light);
}
.badge-green {
    background: var(--green-glow);
    color: var(--green);
    border: 1px solid rgba(0, 184, 148, 0.2);
}
.badge-warn {
    background: var(--secondary-glow);
    color: var(--secondary);
}

/* -----------------------------------------------------------------
   BUTTONS  (homepage pill shape + glow)
   ----------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    border-radius: 100px;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    font-family: var(--font-main);
    text-decoration: none;
    white-space: nowrap;
}
.btn-accent,
.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-accent:hover,
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
    color: #fff;
}

.btn-gradient {
    background: var(--gradient-hero);
    color: #fff;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    box-shadow: 0 4px 24px var(--accent-glow);
}
.btn-gradient:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px var(--accent-glow);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    box-shadow: inset 0 0 0 1px var(--border);
}
.btn-outline:hover {
    box-shadow: inset 0 0 0 1px var(--accent), 0 4px 16px var(--accent-glow);
    color: var(--accent);
}

.btn-lg { padding: 1rem 2.5rem; font-size: 1rem; }

/* -----------------------------------------------------------------
   INFO GRID
   ----------------------------------------------------------------- */
.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

/* -----------------------------------------------------------------
   CARDS  (exact homepage pattern — gradient bg in dark, proper shadows)
   ----------------------------------------------------------------- */
.card {
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius);
    padding: 2rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .card {
    background: linear-gradient(180deg, var(--bg-card) 0%, rgba(18,18,26,0.95) 100%);
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(108, 92, 231, 0.10), 0 4px 16px rgba(0,0,0,0.08);
}
[data-theme="dark"] .card:hover {
    background: var(--bg-card-hover);
}
.card--full { /* full-width card, no special override needed */ }

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.card-icon {
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 12px;
    font-size: 1.2rem;
    flex-shrink: 0;
    background: var(--accent-glow);
    color: var(--accent-light);
}
.card-icon--secondary { background: var(--green-glow); color: var(--green); }
.card-icon--cyan      { background: var(--cyan-glow); color: var(--cyan); }
.card-icon--amber     { background: var(--secondary-glow); color: var(--secondary); }

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.card-error {
    color: #e74c3c;
    font-size: 0.88rem;
    padding: 0.75rem 1rem;
    background: rgba(231, 76, 60, 0.08);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(231, 76, 60, 0.15);
}

.card-disclaimer {
    margin-top: 1.25rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.6;
}

/* -----------------------------------------------------------------
   INFO ROWS
   ----------------------------------------------------------------- */
.info-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0.65rem 0;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
}
.info-row:last-of-type { border-bottom: none; }

.info-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
    min-width: 100px;
}

.info-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
    flex: 1;
}
.info-value--mono {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
}
.info-value--wrap {
    word-break: break-all;
    line-height: 1.5;
}

.country-flag {
    font-size: 1.25rem;
    margin-right: 0.5rem;
    vertical-align: middle;
}

/* HTTP grid: two-column on desktop */
.info-grid-http {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

/* -----------------------------------------------------------------
   CODE BLOCK  (polished)
   ----------------------------------------------------------------- */
.code-block {
    position: relative;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem;
    margin: 1.25rem 0 1.5rem;
    overflow-x: auto;
}
.code-block pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.7;
    color: var(--accent-light);
    white-space: pre-wrap;
    word-break: break-all;
}
.code-block code { display: block; }

.code-copy-btn {
    position: absolute;
    top: 0.6rem; right: 0.6rem;
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    background: var(--border);
    border: none; border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.82rem;
    transition: all var(--transition);
    padding: 0;
}
.code-copy-btn:hover {
    background: var(--accent-glow);
    color: var(--accent-light);
}

.api-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

/* Copy feedback */
.copy-btn.copied {
    background: var(--green) !important;
    color: #fff !important;
}

/* -----------------------------------------------------------------
   IP LOOKUP MODAL  (homepage newsletter modal pattern)
   ----------------------------------------------------------------- */
.modal-backdrop {
    position: fixed; inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(6px);
    display: none;
    align-items: center; justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    padding: 1.5rem;
}
.modal-backdrop.open {
    display: flex;
    opacity: 1;
}

.modal {
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius);
    padding: 0;
    max-width: 560px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: nlSlideUp 0.5s ease;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-close {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: none; border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.modal-close:hover {
    background: var(--border);
    color: var(--text-primary);
}

.modal-body { padding: 2rem; }

.lookup-form { margin-bottom: 1.5rem; }
.lookup-input-group {
    display: flex;
    gap: 0.75rem;
}
.lookup-input-group input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.lookup-input-group input:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px var(--secondary-glow);
}
.lookup-input-group input::placeholder {
    color: var(--text-muted);
    font-family: var(--font-main);
}

/* Loading */
.lookup-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem 0;
    color: var(--text-secondary);
    font-size: 0.88rem;
}
.lookup-loading[hidden] { display: none !important; }
.lookup-error[hidden]   { display: none !important; }
.lookup-results[hidden] { display: none !important; }
.spinner {
    width: 24px; height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Error */
.lookup-error {
    padding: 0.75rem 1rem;
    background: rgba(231, 76, 60, 0.08);
    border: 1px solid rgba(231, 76, 60, 0.15);
    border-radius: var(--radius-sm);
    color: #e74c3c;
    font-size: 0.88rem;
    margin-bottom: 1rem;
}

/* Results */
.lookup-results .info-row { padding: 0.5rem 0; }
.lookup-results .card-header {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
}

/* -----------------------------------------------------------------
   FOOTER  (exact homepage pattern)
   ----------------------------------------------------------------- */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 3rem 2rem;
    position: relative;
    z-index: 1;
}

.footer-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-brand-block {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}
.footer-brand-block .brand-icon {
    width: 28px; height: 28px;
    background: var(--gradient-hero);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 0.85rem;
}

.footer-info {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.footer-info a {
    color: var(--text-secondary);
    transition: color var(--transition);
}
.footer-info a:hover { color: var(--accent); }

.footer-privacy {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--green);
    font-size: 0.82rem;
    font-weight: 500;
}
.footer-attribution {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.footer-copy {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* MC27 badge (homepage pattern) */
.mc27-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    background: rgba(0, 184, 148, 0.08);
    border: 1px solid rgba(0, 184, 148, 0.2);
    color: var(--green);
    transition: all var(--transition);
    cursor: default;
}
.mc27-badge i { font-size: 0.7rem; }
.mc27-badge:hover {
    background: rgba(0, 184, 148, 0.14);
    border-color: rgba(0, 184, 148, 0.35);
}
[data-theme="dark"] .mc27-badge {
    background: rgba(0, 184, 148, 0.06);
    border-color: rgba(0, 184, 148, 0.18);
}
[data-theme="dark"] .mc27-badge:hover {
    background: rgba(0, 184, 148, 0.12);
    border-color: rgba(0, 184, 148, 0.3);
    box-shadow: 0 0 12px rgba(0, 184, 148, 0.15);
}

/* Social share links */
.footer-social-links {
    display: flex;
    gap: 0.6rem;
}
.footer-social-links a {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: var(--accent-glow);
    color: var(--accent-light);
    font-size: 0.85rem;
    transition: all var(--transition);
}
.footer-social-links a:hover {
    background: var(--accent);
    color: #fff;
    transform: scale(1.1);
}

/* -----------------------------------------------------------------
   BACK TO TOP  (homepage pattern)
   ----------------------------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: 2rem; right: 2rem;
    z-index: 9000;
    width: 48px; height: 48px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    background: var(--secondary);
    color: #fff;
    font-size: 1.2rem;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 16px rgba(245, 166, 35, 0.4);
    opacity: 0; visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.2s ease;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--secondary-light); transform: translateY(-2px); }

/* =================================================================
   MEDIA QUERIES  — 6 breakpoints (mandatory per project rules)
   ================================================================= */

/* ---- Breakpoint 1: ≤359px (tiny phones) ---- */
@media (max-width: 359px) {
    .hero-ip { font-size: 1.75rem; }
    .container { padding: 0 1rem; }
    .card { padding: 1.25rem; }
    .info-label { min-width: 70px; font-size: 0.7rem; }
    .info-value { font-size: 0.82rem; }
    .btn-lg, .btn-gradient { padding: 0.75rem 1.5rem; font-size: 0.88rem; }
    .hero-badge { font-size: 0.72rem; padding: 0.35rem 0.85rem; }
    .hero { padding: 6rem 1rem 2rem; }
    .nav-inner { padding: 0 1rem; }
    .info-row { flex-direction: column; gap: 0.25rem; }
    .info-value { text-align: left; }
    .lookup-input-group { flex-direction: column; }
    .hero-actions { flex-direction: column; align-items: center; }
    .modal-body { padding: 1.25rem; }
    .back-to-top { bottom: 1rem; right: 1rem; width: 40px; height: 40px; font-size: 1rem; }
}

/* ---- Breakpoint 2: 360px–479px (small phones) ---- */
@media (min-width: 360px) and (max-width: 479px) {
    .hero-ip { font-size: 2rem; }
    .card { padding: 1.5rem; }
    .hero { padding: 6.5rem 1.25rem 2.5rem; }
    .info-row { flex-direction: column; gap: 0.25rem; }
    .info-value { text-align: left; }
    .lookup-input-group { flex-direction: column; }
    .hero-actions { flex-direction: column; align-items: center; }
    .modal-body { padding: 1.5rem; }
}

/* ---- Breakpoint 3: 480px–767px (large phone / small tablet) ---- */
@media (min-width: 480px) and (max-width: 767px) {
    .hero-ip { font-size: 2.5rem; }
    .hero { padding: 7rem 1.5rem 2.5rem; }
    .info-row { gap: 0.75rem; }
}

/* ---- Breakpoint 4: ≥768px (tablet+) ---- */
@media (min-width: 768px) {
    .hero { padding: 9rem 2rem 4rem; }
    .hero-ip { font-size: 3.2rem; }
    .hero-glow { width: 600px; height: 600px; }

    .info-grid { grid-template-columns: 1fr 1fr; }
    .info-grid-http { grid-template-columns: 1fr 1fr; gap: 0 2rem; }

    .nav-hamburger { display: none; }
    .nav-links { display: flex; }

    .footer-inner { gap: 2rem; }
}

/* ---- Breakpoint 5: ≥1024px (desktop) ---- */
@media (min-width: 1024px) {
    .hero-ip { font-size: 3.8rem; }
    .hero { padding: 10rem 2rem 4rem; }
    .card { padding: 2.5rem; }
    .section { padding: 4rem 0; }
    .section--api { padding: 0 0 5rem; }
    .hero-glow { width: 700px; height: 700px; }
}

/* ---- Breakpoint 6: ≥1280px (large desktop) ---- */
@media (min-width: 1280px) {
    .hero-ip { font-size: 4.2rem; }
    .container { max-width: 1200px; }
}

/* ---- Extra: ≥1536px (ultra-wide) ---- */
@media (min-width: 1536px) {
    .container { max-width: 1400px; }
    .card { padding: 2.75rem; }
}

/* ---- Mobile: hide desktop nav, show hamburger ---- */
@media (max-width: 767px) {
    .nav-links:not(.mobile-open) { display: none; }
    .nav-hamburger { display: flex; }
    .mobile-overlay { /* visible when needed */ }
    .section { padding: 2rem 0; }
    .section--lookup { padding: 1rem 0 2rem; }
    .back-to-top { bottom: 1.2rem; right: 1.2rem; width: 42px; height: 42px; }
}
@media (min-width: 768px) {
    .mobile-overlay { display: none !important; }
}

/* -----------------------------------------------------------------
   PRINT
   ----------------------------------------------------------------- */
@media print {
    .site-nav, .nav-controls, .site-footer,
    .section--lookup, .modal-backdrop, .dot-grid,
    .btn, .copy-btn, .code-copy-btn,
    .back-to-top, .hero-glow { display: none !important; }
    body { background: #fff; color: #000; }
    .card { box-shadow: none; border: 1px solid #ccc; page-break-inside: avoid; background: #fff !important; }
    .hero-ip { -webkit-text-fill-color: #000; background: none; color: #000; }
}