* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f7f8fa;
    color: #171717;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid #e8e9ec;
    backdrop-filter: blur(12px);
}

.nav {
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -.4px;
}

.logo span {
    color: #2563eb;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 14px;
    color: #555;
}

.nav-links a:hover {
    color: #111;
}

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

.mobile-menu {
    display: none;
    border: 0;
    background: transparent;
    font-size: 24px;
    cursor: pointer;
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 19px;
    border-radius: 9px;
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: .15s ease;
}

.btn-primary {
    background: #111827;
    color: #fff;
}

.btn-primary:hover {
    background: #000;
}

.btn-secondary {
    background: #fff;
    border-color: #dfe1e6;
}

.btn-secondary:hover {
    background: #f5f5f5;
}

/* Hero */

.hero {
    padding: 90px 0 80px;
    background: #fff;
    border-bottom: 1px solid #eee;
}

.hero-content {
    max-width: 780px;
    margin: auto;
    text-align: center;
}

.badge {
    display: inline-flex;
    padding: 7px 12px;
    border: 1px solid #dfe3e8;
    border-radius: 999px;
    background: #fafafa;
    color: #555;
    font-size: 13px;
    margin-bottom: 22px;
}

.hero h1 {
    margin: 0;
    font-size: clamp(38px, 7vw, 64px);
    line-height: 1.05;
    letter-spacing: -2.5px;
}

.hero h1 span {
    color: #2563eb;
}

.hero p {
    max-width: 650px;
    margin: 22px auto 30px;
    color: #62666d;
    font-size: 18px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Sections */

.section {
    padding: 80px 0;
}

.section-header {
    max-width: 650px;
    margin: 0 auto 42px;
    text-align: center;
}

.section-header h2 {
    margin: 0 0 10px;
    font-size: 34px;
    letter-spacing: -1px;
}

.section-header p {
    margin: 0;
    color: #666;
}

/* Cards */

.grid {
    display: grid;
    gap: 18px;
}

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

.card {
    background: #fff;
    border: 1px solid #e4e6e9;
    border-radius: 14px;
    padding: 26px;
}

.card h3 {
    margin: 0 0 8px;
    font-size: 18px;
}

.card p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

.icon-box {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    background: #f1f5ff;
    color: #2563eb;
    border-radius: 10px;
    margin-bottom: 18px;
    font-weight: 700;
}

/* Steps */

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.step-number {
    font-size: 13px;
    color: #2563eb;
    font-weight: 700;
    margin-bottom: 10px;
}

/* Pricing */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.price-card {
    background: #fff;
    border: 1px solid #e2e4e8;
    border-radius: 14px;
    padding: 30px;
}

.price-card.featured {
    border-color: #2563eb;
}

.price-card h3 {
    margin: 0 0 8px;
}

.price {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -1px;
    margin: 20px 0;
}

.price small {
    font-size: 14px;
    font-weight: 400;
    color: #777;
}

.features-list {
    padding: 0;
    margin: 25px 0;
    list-style: none;
}

.features-list li {
    padding: 8px 0;
    font-size: 14px;
    color: #555;
}

/* FAQ */

.faq {
    max-width: 760px;
    margin: auto;
}

.faq-item {
    background: #fff;
    border: 1px solid #e4e6e9;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 10px;
}

.faq-item h3 {
    margin: 0 0 6px;
    font-size: 15px;
}

.faq-item p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

/* Auth */

.auth-page {
    min-height: calc(100vh - 68px);
    display: grid;
    place-items: center;
    padding: 50px 16px;
}

.auth-card {
    width: min(430px, 100%);
    background: #fff;
    border: 1px solid #e2e4e8;
    border-radius: 14px;
    padding: 32px;
}

.auth-card h1 {
    margin: 0 0 7px;
    font-size: 27px;
}

.auth-card > p {
    margin: 0 0 25px;
    color: #666;
    font-size: 14px;
}

.form-group {
    margin-bottom: 17px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 7px;
}

.form-group input {
    width: 100%;
    height: 45px;
    border: 1px solid #d8dbe0;
    border-radius: 8px;
    padding: 0 12px;
    outline: none;
}

.form-group input:focus {
    border-color: #2563eb;
}

.auth-card .btn {
    width: 100%;
}

.auth-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
    color: #666;
}

.auth-footer a {
    color: #2563eb;
    font-weight: 600;
}

/* CTA */

.cta {
    background: #111827;
    color: #fff;
    border-radius: 18px;
    padding: 55px 30px;
    text-align: center;
}

.cta h2 {
    margin: 0 0 10px;
    font-size: 32px;
}

.cta p {
    color: #c8cbd1;
    margin: 0 0 24px;
}

/* Footer */

.footer {
    background: #fff;
    border-top: 1px solid #e5e7eb;
    padding: 45px 0 25px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 35px;
}

.footer h4 {
    margin: 0 0 12px;
    font-size: 14px;
}

.footer a,
.footer p {
    display: block;
    color: #666;
    font-size: 13px;
    margin: 7px 0;
}

.copyright {
    border-top: 1px solid #eee;
    margin-top: 30px;
    padding-top: 20px;
    color: #777;
    font-size: 13px;
}

/* App */

.app-body {
    min-height: 100vh;
}

.app-layout {
    display: flex;
    min-height: calc(100vh - 68px);
}

.sidebar {
    width: 230px;
    background: #fff;
    border-right: 1px solid #e5e7eb;
    padding: 22px 14px;
}

.sidebar a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    color: #555;
    font-size: 14px;
    margin-bottom: 3px;
}

.sidebar a:hover {
    background: #f4f5f7;
    color: #111;
}

.app-content {
    flex: 1;
    padding: 35px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.stat {
    background: #fff;
    border: 1px solid #e4e6e9;
    border-radius: 12px;
    padding: 20px;
}

.stat span {
    color: #777;
    font-size: 13px;
}

.stat strong {
    display: block;
    margin-top: 7px;
    font-size: 26px;
}

/* Responsive */

@media (max-width: 850px) {
    .nav-links,
    .nav-actions {
        display: none;
    }

    .mobile-menu {
        display: block;
    }

    .grid-3,
    .steps,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .sidebar {
        display: none;
    }

    .app-content {
        padding: 22px 16px;
    }

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

@media (max-width: 560px) {
    .hero {
        padding: 65px 0;
    }

    .hero p {
        font-size: 16px;
    }

    .section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .auth-card {
        padding: 25px 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
  .mobile-menu {
    display: block !important;
    border: 0;
    background: transparent;
    font-size: 28px;
    cursor: pointer;
  }

  .sidebar {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,.08);
  }

  .sidebar.mobile-open {
    display: block;
  }

  .sidebar a {
    display: block;
    padding: 14px;
    border-radius: 8px;
  }

  .app-content {
    padding: 28px 20px;
  }
}

/* SMM4Grow Professional Mobile Menu */
@media (max-width: 768px){
  body.menu-locked{overflow:hidden}
  .mobile-menu{font-size:0!important;border:0!important;background:transparent!important;cursor:pointer}
  .mobile-menu:after{content:"☰";font-size:32px}
  .sidebar{
    position:fixed!important;
    z-index:10001!important;
    left:12px!important;
    right:12px!important;
    bottom:12px!important;
    top:auto!important;
    width:auto!important;
    max-height:82vh!important;
    overflow-y:auto!important;
    padding:62px 16px 18px!important;
    background:#fff!important;
    border-radius:24px!important;
    box-shadow:0 25px 70px rgba(0,0,0,.25)!important;
    transform:translateY(120%)!important;
    transition:transform .28s ease!important;
  }
  .sidebar.mobile-open{transform:translateY(0)!important}
  .sidebar-menu-close{
    position:absolute;top:14px;right:16px;
    width:42px;height:42px;border:1px solid #e5e7eb;
    border-radius:12px;background:#f8f9fb;font-size:25px;
    cursor:pointer;
  }
  .sidebar a{
    display:flex!important;
    align-items:center!important;
    gap:13px!important;
    margin:8px 0!important;
    padding:15px!important;
    border:1px solid #e8eaee!important;
    border-radius:14px!important;
    background:#fafbfc!important;
    text-decoration:none!important;
  }
  .sidebar a:hover{background:#f1f4f8!important}
  .menu-backdrop{
    position:fixed;inset:0;z-index:10000;
    background:rgba(15,23,42,.32);
    backdrop-filter:blur(7px);
    -webkit-backdrop-filter:blur(7px);
    opacity:0;pointer-events:none;
    transition:opacity .25s ease;
  }
  .menu-backdrop.show{opacity:1;pointer-events:auto}
  .app-content{padding-top:20px!important}
}

@media (max-width:768px){
  body.app-body .site-header{
    margin-bottom:0!important;
  }

  body.app-body .app-layout{
    padding-top:0!important;
    margin-top:0!important;
  }

  body.app-body .app-content{
    margin-top:0!important;
    padding-top:20px!important;
  }

  body.app-body .page-heading{
    margin-top:0!important;
  }
}

/* Professional Instagram Connect */
.connect-page{max-width:900px;margin:0 auto;padding:34px 20px 60px}.connect-hero{text-align:center;margin-bottom:28px}.connect-icon{width:68px;height:68px;margin:0 auto 18px;border-radius:20px;display:flex;align-items:center;justify-content:center;background:#111827;color:white;font-size:30px}.connect-hero h1{margin:0 0 10px;font-size:42px;letter-spacing:-1.5px}.connect-hero p{margin:0;color:#667085;font-size:17px}.connect-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}.connect-card{background:#fff;border:1px solid #e5e7eb;border-radius:22px;padding:28px;box-shadow:0 8px 30px rgba(15,23,42,.05)}.connect-card h2{margin:0 0 8px;font-size:22px}.connect-card-sub{color:#667085;margin:0 0 22px}.connect-steps{display:grid;gap:12px;margin-top:22px}.connect-step{display:flex;gap:14px;align-items:flex-start;padding:15px;border:1px solid #eaecf0;border-radius:15px;background:#fafafa}.connect-step-number{width:32px;height:32px;min-width:32px;border-radius:10px;background:#111827;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}.connect-step strong{display:block;margin-bottom:3px}.connect-step span{color:#667085;font-size:14px}.connect-security{margin-top:20px;padding:16px;border-radius:15px;background:#f5f8ff;border:1px solid #dbe7ff}.connect-security strong{display:block;margin-bottom:6px}.connect-security p{margin:0;color:#475467;font-size:14px;line-height:1.6}.connect-form .form-group{margin-bottom:18px}.connect-form label{display:block;margin-bottom:8px;font-weight:600}.connect-input-wrap{position:relative}.connect-form input{width:100%;padding:14px 15px;border:1px solid #d0d5dd;border-radius:12px;font-size:16px;background:#fff;outline:none}.connect-form input:focus{border-color:#111827;box-shadow:0 0 0 3px rgba(17,24,39,.08)}.password-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;background:#f2f4f7;border-radius:9px;padding:8px 10px;cursor:pointer}.connect-submit{width:100%;margin-top:5px;min-height:52px;font-size:16px;font-weight:600}.connect-note{text-align:center;color:#667085;font-size:13px;line-height:1.6;margin:16px 0 0}.connect-back{margin-bottom:18px}@media(max-width:768px){.connect-page{padding:24px 16px 45px}.connect-hero{margin-bottom:22px}.connect-hero h1{font-size:32px;letter-spacing:-1px}.connect-hero p{font-size:15px}.connect-grid{grid-template-columns:1fr}.connect-card{padding:22px;border-radius:18px}}