/* ═══════════════════════════════════════════════════════
   BornaliDNS — Premium Light Design System
   Clean White Theme with Sky Blue Accents
═══════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── Variables ──────────────────────────────────────── */
:root {
    --bg: #f8fafc;
    --bg2: #f1f5f9;
    --bg3: #e2e8f0;
    --primary: #0ea5e9;
    --primary-rgb: 14, 165, 233;
    --primary-dim: rgba(14, 165, 233, 0.10);
    --primary-glow: rgba(14, 165, 233, 0.18);
    --purple: #6366f1;
    --purple-rgb: 99, 102, 241;
    --purple-dim: rgba(99, 102, 241, 0.10);
    --green: #10b981;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --gold: #f59e0b;
    --text: #0f172a;
    --text2: #475569;
    --text3: #94a3b8;
    --border: #e2e8f0;
    --glass: rgba(255, 255, 255, 0.85);
    --glass2: rgba(255, 255, 255, 0.60);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow: 0 4px 24px rgba(15, 23, 42, 0.08), 0 1px 4px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12), 0 4px 16px rgba(15, 23, 42, 0.06);
    --glow: 0 0 40px rgba(14, 165, 233, 0.15);
    --gradient: linear-gradient(135deg, var(--primary), var(--purple));
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Hind Siliguri', 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
}

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

a:hover {
    text-decoration: underline;
}

/* ── Typography ─────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--text);
}

h1 {
    font-size: clamp(2.4rem, 5.5vw, 4.5rem);
}

h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

h3 {
    font-size: 1.2rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gold-text {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Utilities ──────────────────────────────────────── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text2);
}

/* ── Buttons ────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    border: none;
    transition: all 0.22s ease;
    white-space: nowrap;
    font-family: inherit;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #0284c7);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(14, 165, 233, 0.45);
    text-decoration: none;
    color: #fff;
}

.btn-outline {
    background: #fff;
    border: 1.5px solid var(--border);
    color: var(--text);
    box-shadow: var(--shadow);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: var(--primary-dim);
    color: var(--primary);
    text-decoration: none;
}

.btn-purple {
    background: linear-gradient(135deg, var(--purple), #4f46e5);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.30);
}

.btn-purple:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(99, 102, 241, 0.45);
    color: #fff;
}

.btn-gold {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.30);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(245, 158, 11, 0.40);
    color: #fff;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.82rem;
}

.btn-lg {
    padding: 15px 40px;
    font-size: 1.02rem;
    border-radius: var(--radius-lg);
}

.btn-bkash {
    background: #e2136e;
    color: #fff;
    border: 1px solid #d12053;
    font-weight: 700;
}
.btn-bkash:hover {
    background: #d12053;
    box-shadow: 0 4px 12px rgba(226, 19, 110, 0.25);
    transform: translateY(-1px);
    color: #fff;
}
.btn-bkash:active {
    transform: translateY(0);
}

/* ── Navbar ─────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(248, 250, 252, 0.85);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 11px 0;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(15, 23, 42, 0.08);
}

.navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
}

.logo-mark {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 900;
    color: #fff;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.35);
    animation: logoPulse 3s ease infinite;
}

@keyframes logoPulse {
    0%, 100% { box-shadow: 0 4px 12px rgba(14, 165, 233, 0.35); }
    50% { box-shadow: 0 4px 20px rgba(14, 165, 233, 0.6), 0 4px 12px rgba(99, 102, 241, 0.3); }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    color: var(--text2);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
    text-decoration: none;
}

.nav-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ── Hero ───────────────────────────────────────────── */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    overflow: hidden;
    background: linear-gradient(150deg, #f0f9ff 0%, #f8fafc 50%, #faf5ff 100%);
}

#hero::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -15%;
    width: 70vw;
    height: 70vw;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

#hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.07) 0%, transparent 60%);
    pointer-events: none;
}

#particle-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.4;
}

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

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.10), rgba(99, 102, 241, 0.08));
    border: 1px solid rgba(14, 165, 233, 0.20);
    border-radius: 999px;
    padding: 7px 18px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 28px;
    animation: fadeInUp 0.6s ease;
}

.live-dot {
    width: 7px;
    height: 7px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--success);
    animation: pulse 1.8s infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 5.5vw, 4.8rem);
    font-weight: 900;
    line-height: 1.08;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
    color: var(--text);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text2);
    max-width: 600px;
    margin-bottom: 44px;
    line-height: 1.75;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.dns-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 24px;
    margin-top: 36px;
    width: fit-content;
    animation: fadeInUp 0.6s ease 0.4s both;
    box-shadow: var(--shadow);
}

.dns-card .label {
    font-size: 0.72rem;
    color: var(--text3);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 3px;
}

.dns-card .val {
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    color: var(--primary);
    font-weight: 700;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 52px;
    animation: fadeInUp 0.6s ease 0.5s both;
}

.hero-stat .num {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary);
}

.hero-stat .lbl {
    font-size: 0.82rem;
    color: var(--text2);
    margin-top: 2px;
}

/* ── Sections ───────────────────────────────────────── */
section {
    padding: 100px 0;
}

.section-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 14px;
    background: var(--primary-dim);
    padding: 5px 14px;
    border-radius: 999px;
    border: 1px solid rgba(14, 165, 233, 0.15);
}

.section-title {
    margin-bottom: 18px;
    color: var(--text);
}

.section-sub {
    color: var(--text2);
    font-size: 1.05rem;
    max-width: 580px;
    line-height: 1.75;
}

/* ── Features ───────────────────────────────────────── */
#features {
    background: var(--bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 20px;
    margin-top: 56px;
}

.feature-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    border-color: rgba(14, 165, 233, 0.25);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.feature-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(99, 102, 241, 0.10));
    border: 1px solid rgba(14, 165, 233, 0.15);
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text);
    font-weight: 700;
}

.feature-card p {
    color: var(--text2);
    font-size: 0.88rem;
    line-height: 1.7;
}

/* ── How It Works ───────────────────────────────────── */
#how-it-works {
    background: linear-gradient(135deg, #f0f9ff, #f8fafc, #faf5ff);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
    margin-top: 60px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 42px;
    left: calc(33.3% - 10px);
    right: calc(33.3% - 10px);
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--purple));
    opacity: 0.3;
}

.step-card {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-num {
    width: 84px;
    height: 84px;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 900;
    color: #fff;
    margin: 0 auto 22px;
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.35);
}

.step-card h3 {
    margin-bottom: 10px;
    font-weight: 700;
}

.step-card p {
    color: var(--text2);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ── Device Setup ───────────────────────────────────── */
#device-setup {
    background: var(--bg);
}

.setup-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 52px;
}

.setup-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.setup-card:hover {
    border-color: rgba(14, 165, 233, 0.25);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.setup-icon {
    font-size: 2.8rem;
    margin-bottom: 14px;
    display: block;
}

.setup-card h3 {
    margin-bottom: 10px;
    font-size: 1rem;
    font-weight: 700;
}

.setup-card p {
    color: var(--text2);
    font-size: 0.875rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

/* ── Pricing ────────────────────────────────────────── */
#pricing {
    background: linear-gradient(135deg, #f0f9ff, #f8fafc, #faf5ff);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
    gap: 22px;
    margin-top: 60px;
    align-items: start;
}

.pricing-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px;
    transition: all 0.3s;
    position: relative;
    box-shadow: var(--shadow);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(14, 165, 233, 0.20);
}

.pricing-card.popular {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.04), rgba(99, 102, 241, 0.04));
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.18);
    transform: scale(1.03);
}

.pricing-card.popular:hover {
    transform: scale(1.03) translateY(-5px);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--purple));
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: 999px;
    padding: 5px 16px;
    white-space: nowrap;
}

.plan-name {
    font-size: 0.82rem;
    color: var(--text2);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.plan-price {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 4px;
    color: var(--text);
}

.plan-price .currency {
    font-size: 1.4rem;
    vertical-align: top;
    margin-top: 6px;
    display: inline-block;
}

.plan-period {
    font-size: 0.82rem;
    color: var(--text3);
    margin-bottom: 26px;
}

.plan-features {
    list-style: none;
    margin: 0 0 26px;
}

.plan-features li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.87rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}

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

.plan-features li .check {
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
}

.plan-features li.no .check {
    color: var(--text3);
}

.plan-features li.no {
    color: var(--text3);
}

.plan-cta {
    width: 100%;
    justify-content: center;
}

/* ── Trust Bar ───────────────────────────────────────── */
.trust-bar {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
}

.trust-items {
    display: flex;
    gap: 40px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.87rem;
    color: var(--text2);
}

.trust-item strong {
    color: var(--text);
}

/* ── Footer ─────────────────────────────────────────── */
footer {
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 60px 0 28px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2.2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 44px;
}

.footer-brand {
    font-size: 1.35rem;
    font-weight: 900;
    margin-bottom: 12px;
}

.footer-desc {
    color: var(--text2);
    font-size: 0.875rem;
    line-height: 1.75;
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.20);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 0.78rem;
    color: var(--success);
    margin-top: 16px;
}

.footer-col h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text3);
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    color: var(--text2);
    font-size: 0.875rem;
    margin-bottom: 10px;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--primary);
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: var(--text3);
    flex-wrap: wrap;
    gap: 8px;
}

/* ── Ribbons & Decorators ───────────────────────────── */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.3), transparent);
}

.floating-badge {
    position: absolute;
    top: 28px;
    right: 28px;
    background: var(--primary-dim);
    border: 1px solid rgba(14, 165, 233, 0.20);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 0.72rem;
    color: var(--primary);
    font-weight: 600;
}

/* ── Animations ─────────────────────────────────────── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.4); }
}

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

/* ── Mobile Nav Overlay ──────────────────────────────── */
.mobile-nav {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.98);
    z-index: 1000;
    padding: 90px 30px 40px;
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: none;
}

@media (max-width: 640px) {
    .mobile-nav {
        display: block;
    }
}

.mobile-nav.open {
    transform: translateY(0);
}

.mobile-nav-inner {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.mobile-nav-inner a {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 8px;
    border-radius: var(--radius);
}

.mobile-menu-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text3);
    cursor: pointer;
    line-height: 1;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    transition: color 0.2s;
}

.mobile-menu-close:hover {
    color: var(--text);
}

.mobile-menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
    display: block;
}

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

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

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

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 1024px) {
    .container { padding: 0 20px; }
    .footer-grid { grid-template-columns: 1.5fr 1fr; gap: 32px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: 1fr; gap: 48px; }
    .steps-grid::before { display: none; }
}

@media (max-width: 640px) {
    .navbar-inner { padding: 0 16px; }
    .nav-links, .nav-actions { display: none; }
    .mobile-menu-toggle { display: flex; }

    #hero { padding: 110px 0 80px; }

    .hero-content { text-align: center; }
    .hero-title { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1rem; margin-bottom: 32px; }
    .hero-eyebrow { font-size: 0.75rem; padding: 5px 14px; }

    .hero-actions { flex-direction: column; width: 100%; }
    .btn-lg { width: 100%; justify-content: center; }

    .dns-card {
        flex-direction: column;
        gap: 14px;
        padding: 18px;
        text-align: center;
        width: 100%;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
        justify-content: center;
    }
    .hero-stat .num { font-size: 1.7rem; }

    .footer-grid, .features-grid, .pricing-grid, .setup-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .pricing-card.popular { transform: none; }
    section { padding: 70px 0; }
}

@media (max-width: 400px) {
    .hero-title { font-size: 1.9rem; }
    .container { padding: 0 16px; }
}

/* ================= FLOATING WHATSAPP ================= */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 0px 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0px 6px 20px rgba(37, 211, 102, 0.6);
    color: #FFF;
}