/* =============================================================
   CallJots — Main Stylesheet
   Dark/Neon theme with Bitcoin orange + Stellar teal accents
   ============================================================= */

/* ── Fonts & Variables ─────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=DM+Sans:wght@400;500;700&display=swap');

:root {
    --bg-deep:       #050810;
    --bg-dark:       #0a0e1a;
    --bg-card:       #0f1629;
    --bg-card-2:     #131d35;
    --bg-glass:      rgba(15, 22, 41, 0.7);

    --orange:        #f97316;
    --orange-dark:   #ea580c;
    --orange-glow:   rgba(249, 115, 22, 0.35);
    --orange-light:  rgba(249, 115, 22, 0.1);

    --teal:          #10b981;
    --teal-dark:     #059669;
    --teal-glow:     rgba(16, 185, 129, 0.3);
    --teal-light:    rgba(16, 185, 129, 0.08);

    --btc:           #f7931a;
    --xlm:           #14b8a6;
    --purple:        #8b5cf6;
    --blue:          #3b82f6;

    --text-primary:  #f8fafc;
    --text-secondary:#94a3b8;
    --text-muted:    #475569;
    --text-dim:      #334155;

    --border:        rgba(255,255,255,0.07);
    --border-orange: rgba(249,115,22,0.3);
    --border-teal:   rgba(16,185,129,0.25);

    --radius-sm:  8px;
    --radius-md:  12px;
    --radius-lg:  20px;
    --radius-xl:  28px;
    --radius-full: 999px;

    --shadow-orange: 0 0 40px rgba(249,115,22,0.25);
    --shadow-teal:   0 0 40px rgba(16,185,129,0.2);
    --shadow-card:   0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow:   0 0 80px rgba(249,115,22,0.15), 0 0 160px rgba(16,185,129,0.1);

    --font-main:     'Inter', 'DM Sans', sans-serif;
    --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-main);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
::selection { background: var(--orange-glow); color: var(--text-primary); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--orange); border-radius: 3px; }

/* ── Utility ───────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.text-orange { color: var(--orange); }
.text-teal   { color: var(--teal); }

/* ── Grid background ───────────────────────────────────────── */
.grid-bg {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(249,115,22,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(249,115,22,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ── Noise overlay ─────────────────────────────────────────── */
.noise {
    position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 200px 200px;
}

/* ── Glow orbs ─────────────────────────────────────────────── */
.orb {
    position: fixed; border-radius: 50%; filter: blur(100px);
    pointer-events: none; z-index: 0;
}
.orb-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(249,115,22,0.12), transparent 70%);
    top: -200px; right: -200px;
}
.orb-2 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(16,185,129,0.1), transparent 70%);
    bottom: -150px; left: -150px;
}
.orb-3 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(139,92,246,0.07), transparent 70%);
    top: 50%; left: 50%; transform: translate(-50%,-50%);
}

/* ─────────────────────────────────────────────────────────────
   NAVBAR
───────────────────────────────────────────────────────────── */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(5, 8, 16, 0.85);
    backdrop-filter: blur(20px) saturate(1.5);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(5, 8, 16, 0.95);
    border-bottom-color: var(--border-orange);
    box-shadow: var(--shadow-orange);
}
.nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 0;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 44px; width: auto; }
.nav-logo-text {
    font-size: 22px; font-weight: 800; letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--orange), #fbbf24);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-links {
    display: flex; gap: 8px; align-items: center;
}
.nav-links a {
    padding: 8px 16px; border-radius: var(--radius-full);
    color: var(--text-secondary); font-size: 14px; font-weight: 500;
    transition: var(--transition);
}
.nav-links a:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-cta {
    background: linear-gradient(135deg, var(--orange), var(--orange-dark)) !important;
    color: #fff !important; font-weight: 700 !important;
    box-shadow: 0 4px 16px var(--orange-glow);
    transition: var(--transition) !important;
}
.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px var(--orange-glow) !important;
}

/* ─── Dropdown ─────────────────────────────────────────────────── */
.nav-dropdown { position: relative; }
.nav-dropdown > a { display: flex; align-items: center; gap: 4px; }
.nav-dropdown > a::after {
    content: ''; display: inline-block; width: 6px; height: 6px;
    border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
    transform: rotate(45deg); margin-top: -2px; transition: transform 0.2s;
}
.nav-dropdown:hover > a::after { transform: rotate(-135deg); margin-top: 2px; }
.dropdown-menu {
    display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
    margin-top: 8px; min-width: 180px; background: #0f1629;
    border: 1px solid rgba(255,255,255,0.07); border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5); z-index: 100; padding: 8px;
}
.nav-dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a {
    display: block; padding: 10px 16px; border-radius: 8px;
    color: var(--text-secondary); font-size: 14px; font-weight: 500;
    transition: var(--transition); white-space: nowrap;
}
.dropdown-menu a:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.dropdown-menu a + a { border-top: 1px solid rgba(255,255,255,0.04); }

.nav-burger {
    cursor: pointer; z-index: 200;
}
.nav-burger span {
    display: block; width: 24px; height: 2px;
    background: var(--text-primary); border-radius: 2px; transition: var(--transition);
}
.mobile-menu {
    display: none; flex-direction: column; gap: 4px;
    padding: 16px 0 24px; border-top: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
    padding: 12px 16px; border-radius: var(--radius-md);
    color: var(--text-secondary); font-size: 15px; font-weight: 500;
    transition: var(--transition);
}
.mobile-menu a:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }

/* ─────────────────────────────────────────────────────────────
   HERO
───────────────────────────────────────────────────────────── */
#hero {
    position: relative; z-index: 2;
    min-height: 100vh; display: flex; align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}
.hero-inner {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
    align-items: center;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(249,115,22,0.1); border: 1px solid var(--border-orange);
    border-radius: var(--radius-full); padding: 6px 16px;
    font-size: 12px; font-weight: 600; color: var(--orange);
    letter-spacing: 1px; text-transform: uppercase; margin-bottom: 24px;
}
.hero-badge-dot {
    width: 8px; height: 8px; border-radius: 50%; background: var(--orange);
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%,100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}
.hero-title {
    font-size: clamp(36px, 5vw, 68px);
    font-weight: 900; line-height: 1.05; letter-spacing: -2px;
    margin-bottom: 24px;
}
.hero-title .line1 { display: block; color: var(--text-primary); }
.hero-title .line2 {
    display: block;
    background: linear-gradient(135deg, var(--orange) 0%, #fbbf24 50%, var(--teal) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 4s ease infinite alternate;
    background-size: 200%;
}
@keyframes gradient-shift {
    0%   { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}
.hero-title .line3 { display: block; color: var(--text-primary); }
.hero-sub {
    font-size: 18px; color: var(--text-secondary); line-height: 1.7;
    max-width: 480px; margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: linear-gradient(135deg, var(--orange), var(--orange-dark));
    color: #fff; padding: 14px 32px; border-radius: var(--radius-full);
    font-size: 15px; font-weight: 700; letter-spacing: 0.3px;
    box-shadow: 0 4px 20px var(--orange-glow);
    transition: var(--transition); position: relative; overflow: hidden;
}
.btn-primary::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: translateX(-100%); transition: 0.5s;
}
.btn-primary:hover::before { transform: translateX(100%); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--orange-glow); }
.btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.05); border: 1px solid var(--border);
    color: var(--text-primary); padding: 14px 28px; border-radius: var(--radius-full);
    font-size: 15px; font-weight: 600;
    transition: var(--transition);
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}
.hero-trust { display: flex; gap: 24px; flex-wrap: wrap; }
.trust-item {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; color: var(--text-muted);
}
.trust-icon {
    width: 28px; height: 28px; border-radius: 6px;
    display: flex; align-items: center; justify-content: center; font-size: 14px;
    background: rgba(255,255,255,0.05); border: 1px solid var(--border);
}

/* Hero right — phone mockup */
.hero-visual { position: relative; display: flex; justify-content: center; }
.phone-wrap {
    position: relative; width: 280px;
    animation: float 5s ease-in-out infinite;
}
@keyframes float {
    0%,100% { transform: translateY(0) rotate(2deg); }
    50%      { transform: translateY(-20px) rotate(-1deg); }
}
.phone-frame {
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border: 2px solid rgba(255,255,255,0.12);
    border-radius: 40px; padding: 20px; box-shadow: var(--shadow-card),
    0 0 80px rgba(249,115,22,0.2), inset 0 1px 0 rgba(255,255,255,0.1);
    overflow: hidden;
}
.phone-screen {
    background: var(--bg-card); border-radius: 28px; padding: 16px;
    min-height: 500px;
}
.phone-notch {
    width: 80px; height: 24px; background: #0a0e1a; border-radius: 12px;
    margin: 0 auto 16px; position: relative;
    display: flex; align-items: center; justify-content: center; gap: 4px;
}
.phone-notch::before {
    content: ''; width: 8px; height: 8px; background: #1e293b; border-radius: 50%;
}
.phone-notch::after {
    content: ''; width: 4px; height: 4px; background: #334155; border-radius: 50%;
}
.phone-header {
    text-align: center; margin-bottom: 14px;
    font-size: 11px; color: var(--text-muted); font-weight: 600; letter-spacing: 1px;
}
.call-card {
    background: linear-gradient(135deg, rgba(249,115,22,0.15), rgba(249,115,22,0.05));
    border: 1px solid rgba(249,115,22,0.25); border-radius: 14px; padding: 14px;
    margin-bottom: 10px;
}
.call-meta {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 8px;
}
.call-date { font-size: 10px; color: var(--orange); font-weight: 700; }
.call-badge {
    background: var(--orange); color: #fff; border-radius: 4px;
    padding: 2px 7px; font-size: 9px; font-weight: 700;
}
.call-title { font-size: 12px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.call-preview { font-size: 10px; color: var(--text-muted); line-height: 1.5; }
.waveform-bar-group {
    display: flex; gap: 3px; align-items: flex-end; height: 32px;
    margin: 10px 0 6px; padding: 4px 0;
}
.waveform-bar {
    flex: 1; background: linear-gradient(to top, var(--orange), var(--teal));
    border-radius: 2px; animation: wave-anim 1.5s ease-in-out infinite alternate;
}
.waveform-bar:nth-child(1)  { height: 30%; animation-delay: 0s; }
.waveform-bar:nth-child(2)  { height: 60%; animation-delay: 0.1s; }
.waveform-bar:nth-child(3)  { height: 45%; animation-delay: 0.2s; }
.waveform-bar:nth-child(4)  { height: 80%; animation-delay: 0.3s; }
.waveform-bar:nth-child(5)  { height: 55%; animation-delay: 0.4s; }
.waveform-bar:nth-child(6)  { height: 90%; animation-delay: 0.05s; }
.waveform-bar:nth-child(7)  { height: 40%; animation-delay: 0.15s; }
.waveform-bar:nth-child(8)  { height: 70%; animation-delay: 0.25s; }
.waveform-bar:nth-child(9)  { height: 50%; animation-delay: 0.35s; }
.waveform-bar:nth-child(10) { height: 85%; animation-delay: 0.45s; }
.waveform-bar:nth-child(11) { height: 35%; animation-delay: 0.12s; }
.waveform-bar:nth-child(12) { height: 65%; animation-delay: 0.22s; }
@keyframes wave-anim {
    from { transform: scaleY(0.4); opacity: 0.5; }
    to   { transform: scaleY(1);   opacity: 1; }
}
.transcript-chip {
    display: flex; gap: 6px; align-items: flex-start; padding: 8px;
    background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.2);
    border-radius: 10px; margin-bottom: 8px;
}
.tc-dot {
    width: 6px; height: 6px; border-radius: 50%; background: var(--teal);
    margin-top: 4px; flex-shrink: 0;
}
.tc-text { font-size: 9px; color: var(--text-secondary); line-height: 1.5; }
.note-snippet {
    background: rgba(139,92,246,0.1); border: 1px solid rgba(139,92,246,0.2);
    border-radius: 10px; padding: 8px;
}
.note-label { font-size: 9px; color: #a78bfa; font-weight: 700; margin-bottom: 4px; }
.note-text { font-size: 9px; color: var(--text-secondary); line-height: 1.5; }

/* Floating badges */
.float-badge {
    position: absolute;
    background: var(--bg-card); border-radius: 12px; padding: 8px 14px;
    display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700;
    box-shadow: var(--shadow-card); border: 1px solid var(--border);
    white-space: nowrap;
}
.fb-btc { top: 20px; right: -40px; color: var(--btc); border-color: rgba(247,147,26,0.3); }
.fb-xlm { bottom: 80px; left: -50px; color: var(--xlm); border-color: rgba(20,184,166,0.3); }
.fb-ai  { top: 50%; right: -60px; transform: translateY(-50%); color: var(--purple); border-color: rgba(139,92,246,0.3); }

/* ─────────────────────────────────────────────────────────────
   STATS SECTION
───────────────────────────────────────────────────────────── */
#stats {
    position: relative; z-index: 2; padding: 60px 0;
    background: linear-gradient(180deg, transparent, rgba(249,115,22,0.03), transparent);
    border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.stats-grid {
    display: grid; grid-template-columns: repeat(4,1fr); gap: 24px;
}
.stat-card {
    text-align: center; padding: 32px 16px;
    background: var(--bg-glass); border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.stat-card:hover {
    border-color: var(--border-orange); transform: translateY(-4px);
    box-shadow: var(--shadow-orange);
}
.stat-icon { font-size: 28px; margin-bottom: 12px; }
.stat-value {
    font-size: 40px; font-weight: 900; line-height: 1;
    background: linear-gradient(135deg, var(--orange), #fbbf24);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 6px;
}
.stat-label { font-size: 13px; color: var(--text-muted); font-weight: 500; }

/* ─────────────────────────────────────────────────────────────
   SECTION HEADERS
───────────────────────────────────────────────────────────── */
section { position: relative; z-index: 2; }
.section-header {
    text-align: center; margin-bottom: 64px;
}
.section-eyebrow {
    display: inline-block; font-size: 11px; font-weight: 700;
    letter-spacing: 3px; text-transform: uppercase; color: var(--orange);
    background: var(--orange-light); border: 1px solid var(--border-orange);
    border-radius: var(--radius-full); padding: 5px 18px; margin-bottom: 16px;
}
.section-title {
    font-size: clamp(28px, 4vw, 48px); font-weight: 800;
    letter-spacing: -1px; line-height: 1.1; color: var(--text-primary);
    margin-bottom: 16px;
}
.section-sub {
    font-size: 17px; color: var(--text-secondary); max-width: 560px; margin: 0 auto;
    line-height: 1.7;
}

/* ─────────────────────────────────────────────────────────────
   HOW IT WORKS
───────────────────────────────────────────────────────────── */
#how { padding: 100px 0; }
.steps-grid {
    display: grid; grid-template-columns: repeat(3,1fr); gap: 32px;
    position: relative;
}
.steps-grid::before {
    content: ''; position: absolute; top: 40px; left: 16.66%; right: 16.66%;
    height: 1px; background: linear-gradient(90deg, transparent, var(--orange), var(--teal), transparent);
    z-index: 0;
}
.step-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-xl); padding: 36px 28px;
    position: relative; z-index: 1;
    transition: var(--transition);
    overflow: hidden;
}
.step-card::before {
    content: ''; position: absolute; inset: 0; border-radius: inherit;
    background: linear-gradient(135deg, rgba(249,115,22,0.05), transparent);
    opacity: 0; transition: var(--transition);
}
.step-card:hover::before { opacity: 1; }
.step-card:hover {
    border-color: var(--border-orange); transform: translateY(-6px);
    box-shadow: var(--shadow-orange);
}
.step-number {
    width: 48px; height: 48px; border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--orange), var(--orange-dark));
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 900; color: #fff;
    margin-bottom: 20px; box-shadow: 0 4px 16px var(--orange-glow);
}
.step-icon { font-size: 32px; margin-bottom: 16px; }
.step-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ─────────────────────────────────────────────────────────────
   AI ALGORITHMS SECTION
───────────────────────────────────────────────────────────── */
#algorithms { padding: 100px 0; background: rgba(0,0,0,0.2); }
.algo-tabs {
    display: flex; gap: 8px; margin-bottom: 48px;
    overflow-x: auto; padding-bottom: 8px; flex-wrap: wrap; justify-content: center;
}
.algo-tab {
    padding: 8px 20px; border-radius: var(--radius-full); font-size: 13px; font-weight: 600;
    background: rgba(255,255,255,0.04); border: 1px solid var(--border);
    color: var(--text-muted); transition: var(--transition); cursor: pointer;
    white-space: nowrap;
}
.algo-tab.active {
    background: var(--orange-light); border-color: var(--border-orange);
    color: var(--orange);
}
.algo-tab:hover:not(.active) {
    background: rgba(255,255,255,0.07); color: var(--text-secondary);
}
.algo-grid {
    display: grid; grid-template-columns: repeat(3,1fr); gap: 20px;
}
.algo-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 24px; transition: var(--transition);
    position: relative; overflow: hidden;
}
.algo-card::after {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--orange), var(--teal));
    transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.algo-card:hover::after { transform: scaleX(1); }
.algo-card:hover {
    border-color: var(--border-orange); transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}
.algo-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    margin-bottom: 12px;
}
.algo-name { font-size: 15px; font-weight: 700; color: var(--text-primary); }
.algo-badge-type {
    font-size: 10px; font-weight: 700; letter-spacing: 0.5px;
    padding: 3px 9px; border-radius: var(--radius-full);
    background: var(--orange-light); border: 1px solid var(--border-orange);
    color: var(--orange); white-space: nowrap;
}
.algo-badge-type.teal {
    background: var(--teal-light); border-color: var(--border-teal); color: var(--teal);
}
.algo-badge-type.purple {
    background: rgba(139,92,246,0.1); border-color: rgba(139,92,246,0.25); color: #a78bfa;
}
.algo-use { font-size: 13px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; }
.algo-ref {
    font-size: 11px; color: var(--text-muted); line-height: 1.5;
    padding-top: 12px; border-top: 1px solid var(--border);
}
.algo-ref strong { color: var(--orange); }

/* ─────────────────────────────────────────────────────────────
   FEATURES SECTION
───────────────────────────────────────────────────────────── */
#features { padding: 100px 0; }
.features-grid {
    display: grid; grid-template-columns: repeat(3,1fr); gap: 28px;
}
.feat-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-xl); padding: 32px; transition: var(--transition);
    position: relative; overflow: hidden;
}
.feat-card.highlight {
    background: linear-gradient(135deg, rgba(249,115,22,0.08), rgba(16,185,129,0.04));
    border-color: var(--border-orange);
    grid-column: span 2;
}
.feat-card:hover {
    transform: translateY(-4px); border-color: var(--border-orange);
    box-shadow: var(--shadow-orange);
}
.feat-icon-wrap {
    width: 52px; height: 52px; border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center; font-size: 24px;
    margin-bottom: 18px;
    background: linear-gradient(135deg, rgba(249,115,22,0.15), rgba(249,115,22,0.05));
    border: 1px solid var(--border-orange);
}
.feat-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feat-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.feat-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.feat-tag {
    font-size: 11px; font-weight: 600; padding: 3px 10px;
    border-radius: var(--radius-full); background: rgba(255,255,255,0.05);
    border: 1px solid var(--border); color: var(--text-muted);
}

/* ─────────────────────────────────────────────────────────────
   PAYMENTS SECTION
───────────────────────────────────────────────────────────── */
#payments { padding: 100px 0; background: rgba(0,0,0,0.2); }
.payments-inner {
    display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.pay-title { font-size: clamp(26px, 3.5vw, 44px); font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
.pay-desc { font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 32px; }
.pay-coins { display: flex; gap: 16px; flex-wrap: wrap; }
.coin-card {
    flex: 1; min-width: 160px; background: var(--bg-card); border-radius: var(--radius-lg);
    padding: 20px; border: 1px solid var(--border); text-align: center; transition: var(--transition);
}
.coin-card.btc { border-color: rgba(247,147,26,0.3); }
.coin-card.xlm { border-color: rgba(20,184,166,0.3); }
.coin-card:hover { transform: translateY(-4px); }
.coin-symbol { font-size: 36px; margin-bottom: 8px; }
.coin-name { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.coin-desc { font-size: 12px; color: var(--text-muted); }
.coin-card.btc .coin-name { color: var(--btc); }
.coin-card.xlm .coin-name { color: var(--xlm); }

.pay-visual {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.pay-stat {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 24px; text-align: center;
    transition: var(--transition);
}
.pay-stat:hover { transform: translateY(-4px); border-color: var(--border-teal); }
.pay-stat-value { font-size: 28px; font-weight: 900; color: var(--teal); margin-bottom: 6px; }
.pay-stat-label { font-size: 12px; color: var(--text-muted); }

/* ─────────────────────────────────────────────────────────────
   USER STORY SECTION
───────────────────────────────────────────────────────────── */
#story { padding: 100px 0; }
.story-card {
    max-width: 900px; margin: 0 auto;
    background: linear-gradient(135deg, rgba(249,115,22,0.08), rgba(16,185,129,0.05));
    border: 1px solid var(--border-orange); border-radius: var(--radius-xl);
    padding: 56px; position: relative; overflow: hidden;
}
.story-card::before {
    content: '"'; position: absolute; top: 16px; left: 32px;
    font-size: 160px; line-height: 1; color: rgba(249,115,22,0.08);
    font-family: Georgia, serif; font-weight: 900;
}
.story-text {
    font-size: 22px; line-height: 1.8; color: var(--text-primary);
    font-style: italic; position: relative; z-index: 1; margin-bottom: 32px;
}
.story-text em { color: var(--orange); font-style: normal; font-weight: 700; }
.story-author {
    display: flex; align-items: center; gap: 16px; position: relative; z-index: 1;
}
.story-avatar {
    width: 48px; height: 48px; border-radius: 50%;
    background: linear-gradient(135deg, var(--orange), var(--teal));
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 800; color: #fff;
}
.story-name { font-size: 15px; font-weight: 700; }
.story-role { font-size: 13px; color: var(--text-muted); }
.story-highlight {
    display: flex; gap: 24px; margin-top: 36px; flex-wrap: wrap; position: relative; z-index: 1;
}
.sh-item {
    background: rgba(0,0,0,0.3); border-radius: var(--radius-md); padding: 12px 20px;
    border: 1px solid var(--border);
    display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-secondary);
}
.sh-item span { color: var(--teal); font-weight: 700; }

/* ─────────────────────────────────────────────────────────────
   PRICING
───────────────────────────────────────────────────────────── */
#pricing { padding: 100px 0; background: rgba(0,0,0,0.2); }
.pricing-grid {
    display: grid; grid-template-columns: repeat(3,1fr); gap: 28px;
}
.price-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-xl); padding: 36px; position: relative;
    transition: var(--transition); overflow: hidden;
}
.price-card.featured {
    background: linear-gradient(145deg, #1a2540, #111827);
    border-color: var(--border-orange);
    box-shadow: var(--shadow-orange);
    transform: scale(1.03);
}
.price-card:hover { transform: translateY(-4px) scale(1.01); }
.price-card.featured:hover { transform: translateY(-6px) scale(1.04); }
.popular-badge {
    position: absolute; top: -1px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--orange), var(--orange-dark));
    color: #fff; font-size: 11px; font-weight: 700; letter-spacing: 1px;
    padding: 4px 20px; border-radius: 0 0 12px 12px;
    text-transform: uppercase;
}
.price-tier { font-size: 14px; font-weight: 700; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px; }
.price-value {
    font-size: 48px; font-weight: 900; line-height: 1;
    margin-bottom: 6px;
}
.price-value sup { font-size: 24px; vertical-align: top; margin-top: 10px; }
.price-period { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.price-features { margin-bottom: 32px; }
.price-feature {
    display: flex; align-items: center; gap: 10px; padding: 8px 0;
    font-size: 14px; color: var(--text-secondary); border-bottom: 1px solid var(--border);
}
.price-feature:last-child { border: none; }
.pf-check { color: var(--teal); font-size: 14px; font-weight: 700; }
.pf-cross { color: var(--text-dim); font-size: 14px; }
.price-cta {
    display: block; text-align: center; padding: 12px;
    border-radius: var(--radius-full); font-size: 14px; font-weight: 700;
    transition: var(--transition); border: 1px solid var(--border); color: var(--text-secondary);
}
.price-cta.active {
    background: linear-gradient(135deg, var(--orange), var(--orange-dark));
    color: #fff; border-color: transparent; box-shadow: 0 4px 16px var(--orange-glow);
}
.price-cta:hover { transform: translateY(-2px); }

/* ─────────────────────────────────────────────────────────────
   SIGNUP SECTION
───────────────────────────────────────────────────────────── */
#signup { padding: 120px 0; }
.signup-wrapper {
    max-width: 720px; margin: 0 auto;
    background: linear-gradient(145deg, var(--bg-card), var(--bg-card-2));
    border: 1px solid var(--border-orange); border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-orange), var(--shadow-teal);
}
.signup-head {
    background: linear-gradient(135deg, rgba(249,115,22,0.15), rgba(16,185,129,0.08));
    padding: 36px 48px; border-bottom: 1px solid var(--border-orange);
    text-align: center;
}
.signup-head h2 { font-size: 28px; font-weight: 800; margin-bottom: 8px; }
.signup-head p  { color: var(--text-secondary); font-size: 15px; }
.signup-body { padding: 40px 48px; }

/* Form row */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-group:last-of-type { margin-bottom: 0; }
.form-label {
    font-size: 13px; font-weight: 600; color: var(--text-secondary);
    display: flex; align-items: center; gap: 6px;
}
.form-label .req { color: var(--orange); }
.form-control {
    background: rgba(255,255,255,0.04); border: 1px solid var(--border);
    border-radius: var(--radius-md); padding: 13px 16px;
    color: var(--text-primary); font-size: 14px; font-family: inherit;
    transition: var(--transition); outline: none; width: 100%;
}
.form-control:focus {
    border-color: var(--orange); background: rgba(255,255,255,0.06);
    box-shadow: 0 0 0 3px rgba(249,115,22,0.1);
}
.form-control.error { border-color: #ef4444; box-shadow: 0 0 0 3px rgba(239,68,68,0.1); }
.form-control.valid { border-color: var(--teal); }
.form-control option { background: var(--bg-card); color: var(--text-primary); }
.field-error { font-size: 12px; color: #f87171; margin-top: 4px; }
.field-success { font-size: 12px; color: var(--teal); margin-top: 4px; }

/* Mailed radio */
.radio-group { display: flex; gap: 16px; margin-top: 4px; }
.radio-label {
    display: flex; align-items: center; gap: 8px; cursor: pointer;
    font-size: 14px; color: var(--text-secondary);
    padding: 10px 20px; border-radius: var(--radius-md);
    background: rgba(255,255,255,0.03); border: 1px solid var(--border);
    transition: var(--transition); flex: 1; justify-content: center;
}
.radio-label input { display: none; }
.radio-label.selected {
    background: var(--orange-light); border-color: var(--border-orange);
    color: var(--orange); font-weight: 600;
}
.radio-label:hover:not(.selected) { background: rgba(255,255,255,0.06); }

/* Submit button */
.btn-submit {
    width: 100%; padding: 16px; font-size: 16px; font-weight: 800;
    background: linear-gradient(135deg, var(--orange), var(--orange-dark));
    color: #fff; border-radius: var(--radius-full); letter-spacing: 0.3px;
    box-shadow: 0 4px 20px var(--orange-glow);
    transition: var(--transition); display: flex; align-items: center;
    justify-content: center; gap: 10px; position: relative; overflow: hidden;
    margin-top: 28px;
}
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-submit:not(:disabled):hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--orange-glow); }
.btn-submit .spinner {
    width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff; border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Server error */
.server-error {
    background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
    border-radius: var(--radius-md); padding: 12px 16px; margin-bottom: 24px;
    font-size: 14px; color: #f87171; display: flex; align-items: center; gap: 8px;
}

/* Success state */
.signup-success {
    padding: 64px 48px; text-align: center;
}
.success-icon {
    width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--teal), var(--teal-dark));
    display: flex; align-items: center; justify-content: center; font-size: 36px;
    box-shadow: 0 0 40px var(--teal-glow);
    animation: pop-in 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes pop-in {
    from { transform: scale(0); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}
.success-title { font-size: 28px; font-weight: 800; margin-bottom: 10px; }
.success-sub { color: var(--text-secondary); margin-bottom: 24px; font-size: 15px; }
.success-email {
    display: inline-block; background: var(--orange-light); border: 1px solid var(--border-orange);
    color: var(--orange); padding: 8px 20px; border-radius: var(--radius-full);
    font-size: 14px; font-weight: 600; margin-bottom: 32px;
}
.btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    border: 1px solid var(--border-orange); color: var(--orange);
    padding: 12px 28px; border-radius: var(--radius-full);
    font-size: 14px; font-weight: 600; transition: var(--transition);
}
.btn-outline:hover { background: var(--orange-light); }

/* Shake animation */
@keyframes shake {
    0%,100% { transform: translateX(0); }
    20%,60% { transform: translateX(-6px); }
    40%,80% { transform: translateX(6px); }
}
.shake { animation: shake 0.5s ease; }

/* ─────────────────────────────────────────────────────────────
   FOOTER
───────────────────────────────────────────────────────────── */
footer {
    position: relative; z-index: 2;
    background: var(--bg-dark); border-top: 1px solid var(--border);
    padding: 32px 0;
}
.footer-inner {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px;
}
.footer-brand img { border-radius: 10px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-size: 14px; font-weight: 700; color: var(--text-primary); margin-bottom: 16px; }
.footer-col a {
    display: block; font-size: 14px; color: var(--text-muted);
    padding: 4px 0; transition: var(--transition);
}
.footer-col a:hover { color: var(--orange); }
.footer-bottom {
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
    padding-top: 32px; border-top: 1px solid var(--border);
}
.footer-copy { font-size: 13px; color: var(--text-muted); }
.footer-badges { display: flex; gap: 10px; flex-wrap: wrap; }
.f-badge {
    font-size: 11px; font-weight: 700; padding: 4px 12px;
    border-radius: var(--radius-full); border: 1px solid;
}
.f-badge.btc { background: rgba(247,147,26,0.1); border-color: rgba(247,147,26,0.3); color: var(--btc); }
.f-badge.xlm { background: rgba(20,184,166,0.1); border-color: rgba(20,184,166,0.3); color: var(--xlm); }
.f-badge.ai  { background: rgba(139,92,246,0.1); border-color: rgba(139,92,246,0.3); color: var(--purple); }

/* ─────────────────────────────────────────────────────────────
   CONFETTI
───────────────────────────────────────────────────────────── */
#confetti-canvas {
    position: fixed; inset: 0; z-index: 9999;
    pointer-events: none; display: none;
}

/* ─────────────────────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .algo-grid { grid-template-columns: 1fr 1fr; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-burger { display: flex; }

    .hero-inner { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { display: none; }
    .hero-title { letter-spacing: -1px; }

    .stats-grid { grid-template-columns: 1fr 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .steps-grid::before { display: none; }
    .algo-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .feat-card.highlight { grid-column: span 1; }
    .payments-inner { grid-template-columns: 1fr; gap: 40px; }
    .pricing-grid { grid-template-columns: 1fr; }
    .price-card.featured { transform: none; }

    .form-row { grid-template-columns: 1fr; }
    .signup-body { padding: 28px 24px; }
    .signup-head { padding: 28px 24px; }
    .story-card { padding: 32px 24px; }

    .footer-inner { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .btn-primary, .btn-secondary { text-align: center; justify-content: center; }
    .story-text { font-size: 17px; }
}

/* ─────────────────────────────────────────────────────────────
   SCROLL REVEAL ANIMATION
───────────────────────────────────────────────────────────── */
.reveal {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─────────────────────────────────────────────────────────────────────────────
   HERITAGE / OUR STORY SECTION
   ───────────────────────────────────────────────────────────────────────────── */
#heritage {
    padding: var(--section-pad) 0;
    background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
    position: relative;
    overflow: hidden;
}
#heritage::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 20% 50%, rgba(249,115,22,0.06) 0%, transparent 70%),
        radial-gradient(ellipse 60% 50% at 80% 50%, rgba(16,185,129,0.05) 0%, transparent 70%);
    pointer-events: none;
}

/* ── Timeline wrapper ─────────────────────────────────────────── */
.heritage-intro {
    max-width: 820px;
    margin: 0 auto 72px;
    text-align: center;
}
.heritage-intro p {
    font-size: 17px;
    line-height: 1.85;
    color: var(--text-muted);
    margin-top: 16px;
}
.heritage-intro strong { color: var(--text); }

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 0 40px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg,
        rgba(249,115,22,0.6) 0%,
        rgba(16,185,129,0.6) 60%,
        rgba(16,185,129,0.2) 100%);
    transform: translateX(-50%);
}

.tl-item {
    display: flex;
    gap: 40px;
    margin-bottom: 56px;
    position: relative;
}
.tl-item.right { flex-direction: row-reverse; }

.tl-content {
    flex: 1;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    position: relative;
    transition: var(--transition);
}
.tl-content:hover {
    border-color: rgba(249,115,22,0.35);
    box-shadow: 0 8px 32px rgba(249,115,22,0.08);
    transform: translateY(-3px);
}
.tl-item.right .tl-content {
    border-color: rgba(16,185,129,0.2);
}
.tl-item.right .tl-content:hover {
    border-color: rgba(16,185,129,0.4);
    box-shadow: 0 8px 32px rgba(16,185,129,0.08);
}

.tl-year {
    display: inline-block;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    margin-bottom: 12px;
}
.tl-item:not(.right) .tl-year {
    background: rgba(249,115,22,0.15);
    color: var(--orange);
    border: 1px solid rgba(249,115,22,0.3);
}
.tl-item.right .tl-year {
    background: rgba(16,185,129,0.12);
    color: var(--teal);
    border: 1px solid rgba(16,185,129,0.3);
}

.tl-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}
.tl-desc {
    font-size: 14.5px;
    line-height: 1.8;
    color: var(--text-muted);
}
.tl-desc strong { color: var(--text); font-weight: 600; }

.tl-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}
.tl-tag {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

/* centre dot */
.tl-dot {
    position: absolute;
    left: 50%;
    top: 28px;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 3px solid var(--bg);
    z-index: 2;
    flex-shrink: 0;
}
.tl-item:not(.right) .tl-dot {
    background: var(--orange);
    box-shadow: 0 0 12px rgba(249,115,22,0.5);
}
.tl-item.right .tl-dot {
    background: var(--teal);
    box-shadow: 0 0 12px rgba(16,185,129,0.5);
}

/* spacer for opposite side */
.tl-spacer { flex: 1; }

/* Joomo banner */
.joomo-banner {
    max-width: 820px;
    margin: 56px auto 0;
    background: linear-gradient(135deg,
        rgba(249,115,22,0.08) 0%,
        rgba(16,185,129,0.06) 100%);
    border: 1px solid rgba(249,115,22,0.25);
    border-radius: var(--radius-lg);
    padding: 36px 40px;
    display: flex;
    align-items: flex-start;
    gap: 24px;
}
.joomo-icon {
    font-size: 40px;
    flex-shrink: 0;
    line-height: 1;
}
.joomo-text h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
    letter-spacing: -0.3px;
}
.joomo-text p {
    font-size: 14.5px;
    line-height: 1.8;
    color: var(--text-muted);
}
.joomo-text p strong { color: var(--orange); }
.joomo-text p em { color: var(--teal); font-style: normal; font-weight: 600; }

/* ─────────────────────────────────────────────────────────────────────────────
   TELECOM STACK SECTION
   ───────────────────────────────────────────────────────────────────────────── */
#telecom-stack {
    padding: var(--section-pad) 0;
    background: var(--bg);
}

.stack-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 56px;
}

.stack-layer {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 28px 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.stack-layer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
}
.stack-layer.layer-app::before  { background: linear-gradient(90deg, var(--orange), var(--btc)); }
.stack-layer.layer-sig::before  { background: linear-gradient(90deg, var(--purple), #6366f1); }
.stack-layer.layer-media::before{ background: linear-gradient(90deg, var(--teal), #22d3ee); }
.stack-layer.layer-net::before  { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.stack-layer.layer-pay::before  { background: linear-gradient(90deg, var(--btc), var(--orange)); }
.stack-layer.layer-ai::before   { background: linear-gradient(90deg, #8b5cf6, #a78bfa); }

.stack-layer:hover {
    border-color: rgba(249,115,22,0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

.stack-layer-label {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 8px;
}
.stack-layer-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
    letter-spacing: -0.2px;
}
.stack-layer-desc {
    font-size: 13.5px;
    line-height: 1.75;
    color: var(--text-muted);
    margin-bottom: 18px;
}

.stack-protocols {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}
.proto-badge {
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
}
.proto-badge.orange { background: rgba(249,115,22,0.12); color: var(--orange); border: 1px solid rgba(249,115,22,0.25); }
.proto-badge.teal   { background: rgba(16,185,129,0.10); color: var(--teal);   border: 1px solid rgba(16,185,129,0.25); }
.proto-badge.purple { background: rgba(139,92,246,0.10); color: #a78bfa;       border: 1px solid rgba(139,92,246,0.25); }
.proto-badge.amber  { background: rgba(245,158,11,0.10); color: #fbbf24;       border: 1px solid rgba(245,158,11,0.25); }
.proto-badge.blue   { background: rgba(59,130,246,0.10); color: #93c5fd;       border: 1px solid rgba(59,130,246,0.25); }

/* ── Responsive tweaks for new sections ─────────────────── */
@media (max-width: 1024px) {
    .stack-grid { grid-template-columns: 1fr 1fr; }
    .timeline::before { left: 24px; }
    .tl-item, .tl-item.right { flex-direction: column; gap: 16px; padding-left: 56px; }
    .tl-dot { left: 24px; top: 16px; }
    .tl-spacer { display: none; }
}
@media (max-width: 768px) {
    .stack-grid { grid-template-columns: 1fr; }
    .joomo-banner { flex-direction: column; gap: 16px; padding: 28px 24px; }
    .heritage-intro p { font-size: 15px; }
    .tl-content { padding: 22px 20px; }
}

/* ── Heritage: HTML class aliases & additions ──────────────────────────────── */
/* tl-right / tl-left are used on .tl-content to style the card sides */
.tl-right {
    border-color: rgba(249,115,22,0.2);
}
.tl-right:hover {
    border-color: rgba(249,115,22,0.4) !important;
    box-shadow: 0 8px 32px rgba(249,115,22,0.08) !important;
}
.tl-left {
    border-color: rgba(16,185,129,0.2);
}
.tl-left:hover {
    border-color: rgba(16,185,129,0.4) !important;
    box-shadow: 0 8px 32px rgba(16,185,129,0.08) !important;
}

/* tl-heading — used inside tl-content instead of tl-title */
.tl-heading {
    font-size: 19px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
    letter-spacing: -0.3px;
    margin-top: 8px;
}

/* tl-content paragraphs */
.tl-content p {
    font-size: 14.5px;
    line-height: 1.85;
    color: var(--text-muted);
    margin-bottom: 12px;
}
.tl-content p strong { color: var(--text); font-weight: 600; }
.tl-content p em { color: var(--teal); font-style: italic; }

/* tl-present era ─ special glow */
.tl-present .tl-dot {
    background: linear-gradient(135deg, var(--orange), var(--teal));
    box-shadow: 0 0 20px rgba(249,115,22,0.6), 0 0 40px rgba(16,185,129,0.3);
    width: 26px;
    height: 26px;
    top: 22px;
}
.tl-present .tl-content {
    background: linear-gradient(135deg,
        rgba(249,115,22,0.06) 0%,
        rgba(16,185,129,0.04) 100%);
    border-color: rgba(249,115,22,0.3);
}

/* Year badge color for tl-right (orange) and tl-left (teal) */
.tl-right .tl-year {
    background: rgba(249,115,22,0.15);
    color: var(--orange);
    border: 1px solid rgba(249,115,22,0.3);
}
.tl-left .tl-year {
    background: rgba(16,185,129,0.12);
    color: var(--teal);
    border: 1px solid rgba(16,185,129,0.3);
}

/* ── Telecom Stack: proto-badge color variants ─────────────────────────────── */
.proto-badge.badge-app   { background: rgba(249,115,22,0.12); color: var(--orange);  border: 1px solid rgba(249,115,22,0.3); }
.proto-badge.badge-media { background: rgba(16,185,129,0.10); color: var(--teal);    border: 1px solid rgba(16,185,129,0.3); }
.proto-badge.badge-core  { background: rgba(245,158,11,0.12); color: #fbbf24;        border: 1px solid rgba(245,158,11,0.3); }
.proto-badge.badge-ai    { background: rgba(139,92,246,0.12); color: #a78bfa;        border: 1px solid rgba(139,92,246,0.3); }
.proto-badge.badge-pay   { background: rgba(249,115,22,0.10); color: var(--btc);     border: 1px solid rgba(249,115,22,0.25); }
.proto-badge.badge-infra { background: rgba(59,130,246,0.10); color: #93c5fd;        border: 1px solid rgba(59,130,246,0.3); }

/* stack-layer-protos wrapper (flex wrap for badges inside layer cards) */
.stack-layer-protos {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 16px;
}

/* ── Joomo text style (used as plain div not h3/p) ─────────────────────────── */
.joomo-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-muted);
}
.joomo-text strong { color: var(--orange); font-weight: 700; }

/* ── Payments section: extra pay-stat for the new 6-card grid ─────────────── */
@media (min-width: 768px) {
    .pay-visual {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
}

/* ── Responsive: tl-right/tl-left stacking on mobile ──────────────────────── */
@media (max-width: 768px) {
    .tl-right, .tl-left { border-color: var(--border); }
    .tl-right .tl-year, .tl-left .tl-year {
        background: rgba(249,115,22,0.12);
        color: var(--orange);
        border-color: rgba(249,115,22,0.25);
    }
}