/* ============================================
   AFFILIATE TRACKER PRO — Landing Page
   © i-creativi — https://www.i-creativi.com
   ============================================ */

/* --- Reset & Variables --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-darker: #3730A3;
    --primary-light: #818CF8;
    --primary-lighter: #C7D2FE;
    --primary-subtle: #EEF2FF;
    --accent: #10B981;
    --accent-dark: #059669;
    --accent-light: #34D399;
    --accent-subtle: #ECFDF5;
    --dark: #0F172A;
    --dark-soft: #1E293B;
    --dark-muted: #334155;
    --gray-900: #111827;
    --gray-700: #374151;
    --gray-600: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --gray-50: #F9FAFB;
    --white: #FFFFFF;
    --warning: #F59E0B;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,.25);
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: .3s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-700);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }

/* --- Layout --- */
.container     { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm  { max-width: 900px;  margin: 0 auto; padding: 0 24px; }
.section       { padding: 100px 0; }
.section-sm    { padding: 60px 0; }

.section-label {
    display: inline-block;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--primary-subtle);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 640px;
    margin: 0 auto 48px;
}

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: .95rem;
    padding: 14px 28px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(79,70,229,.35);
}
.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 20px rgba(79,70,229,.45);
    transform: translateY(-2px);
}
.btn-accent {
    background: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(16,185,129,.35);
}
.btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,.3);
}
.btn-outline:hover {
    background: rgba(255,255,255,.1);
    border-color: rgba(255,255,255,.6);
}
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}
.header.scrolled {
    background: rgba(15,23,42,.92);
    backdrop-filter: blur(12px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,.15);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--white);
}
.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}
.logo span { color: var(--primary-light); }

.nav { display: flex; align-items: center; gap: 32px; }
.nav a {
    color: rgba(255,255,255,.7);
    font-size: .9rem;
    font-weight: 500;
    transition: var(--transition);
}
.nav a:hover { color: var(--white); }
.nav .btn { padding: 10px 22px; font-size: .85rem; }

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}
.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* Mobile nav */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.97);
    backdrop-filter: blur(16px);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}
.mobile-nav.open { opacity: 1; pointer-events: auto; }
.mobile-nav a {
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 600;
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(160deg, var(--dark) 0%, var(--dark-soft) 40%, var(--primary-darker) 100%);
    overflow: hidden;
    padding: 120px 0 80px;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 600px 400px at 80% 30%, rgba(79,70,229,.25), transparent),
        radial-gradient(ellipse 400px 300px at 20% 70%, rgba(16,185,129,.15), transparent);
    pointer-events: none;
}
/* animated grid */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 100px;
    padding: 6px 16px;
    font-size: .8rem;
    color: var(--primary-lighter);
    margin-bottom: 24px;
}
.hero-badge .dot {
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 20px;
}
.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub {
    font-size: 1.15rem;
    color: rgba(255,255,255,.6);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 500px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
}
.hero-stat { text-align: left; }
.hero-stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--white);
}
.hero-stat-label {
    font-size: .8rem;
    color: rgba(255,255,255,.45);
    text-transform: uppercase;
    letter-spacing: .05em;
}

/* Dashboard mockup */
.hero-visual { position: relative; }
.dashboard-mockup {
    background: var(--dark-soft);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}
.mockup-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(0,0,0,.3);
}
.mockup-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
}
.mockup-dot:nth-child(1) { background: #EF4444; }
.mockup-dot:nth-child(2) { background: #F59E0B; }
.mockup-dot:nth-child(3) { background: #10B981; }
.mockup-content { padding: 24px; }
.mockup-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}
.mockup-card {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius);
    padding: 16px;
}
.mockup-card-label {
    font-size: .7rem;
    color: rgba(255,255,255,.4);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: 6px;
}
.mockup-card-value {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--white);
}
.mockup-card-value.green { color: var(--accent-light); }
.mockup-card-value.purple { color: var(--primary-light); }
.mockup-chart {
    height: 120px;
    background: linear-gradient(180deg, rgba(79,70,229,.15) 0%, transparent 100%);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    margin-top: 8px;
}
.mockup-chart-line {
    position: absolute;
    bottom: 20%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light), var(--accent));
    clip-path: polygon(0 80%, 15% 40%, 30% 60%, 45% 20%, 60% 45%, 75% 10%, 90% 30%, 100% 5%, 100% 100%, 0 100%);
    opacity: .6;
}
/* Floating badges on mockup */
.float-badge {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .85rem;
    font-weight: 600;
    color: var(--gray-900);
    animation: float 6s ease-in-out infinite;
}
.float-badge.top-right {
    top: -20px;
    right: -20px;
    animation-delay: -2s;
}
.float-badge.bottom-left {
    bottom: 20px;
    left: -30px;
    animation-delay: -4s;
}
.float-badge-icon {
    width: 36px; height: 36px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}
.float-badge-icon.green { background: var(--accent-subtle); color: var(--accent); }
.float-badge-icon.purple { background: var(--primary-subtle); color: var(--primary); }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .4; }
}

/* ============================================
   TRUST BAR
   ============================================ */
.trust-bar {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    padding: 32px 0;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: .9rem;
    font-weight: 500;
    color: var(--gray-600);
}
.trust-icon {
    width: 40px; height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.trust-icon.blue   { background: #EFF6FF; color: #3B82F6; }
.trust-icon.green  { background: var(--accent-subtle); color: var(--accent); }
.trust-icon.purple { background: var(--primary-subtle); color: var(--primary); }
.trust-icon.orange { background: #FFF7ED; color: #F97316; }

/* ============================================
   FEATURES
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}
.feature-card:hover {
    border-color: var(--primary-lighter);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.feature-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 20px;
}
.feature-icon.indigo  { background: var(--primary-subtle); color: var(--primary); }
.feature-icon.emerald { background: var(--accent-subtle); color: var(--accent); }
.feature-icon.amber   { background: #FEF3C7; color: #D97706; }
.feature-icon.blue    { background: #DBEAFE; color: #2563EB; }
.feature-icon.rose    { background: #FFE4E6; color: #E11D48; }
.feature-icon.violet  { background: #EDE9FE; color: #7C3AED; }
.feature-icon.teal    { background: #CCFBF1; color: #0D9488; }
.feature-icon.sky     { background: #E0F2FE; color: #0284C7; }
.feature-icon.orange  { background: #FFF7ED; color: #EA580C; }

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 10px;
}
.feature-card p {
    font-size: .9rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.steps { position: relative; }
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
}
/* connector line */
.steps-grid::before {
    content: '';
    position: absolute;
    top: 36px;
    left: calc(12.5% + 16px);
    right: calc(12.5% + 16px);
    height: 2px;
    background: linear-gradient(90deg, var(--primary-lighter), var(--accent-light));
    z-index: 0;
}
.step {
    text-align: center;
    position: relative;
    z-index: 1;
}
.step-number {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    font-size: 1.4rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 24px rgba(79,70,229,.3);
}
.step h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}
.step p {
    font-size: .85rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ============================================
   DUAL-TRACK
   ============================================ */
.dual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}
.track-card {
    border-radius: var(--radius-xl);
    padding: 40px;
    position: relative;
    overflow: hidden;
}
.track-card.customer {
    background: linear-gradient(135deg, #EEF2FF, #E0E7FF);
    border: 1px solid var(--primary-lighter);
}
.track-card.influencer {
    background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
    border: 1px solid var(--accent-light);
}
.track-badge {
    display: inline-block;
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 16px;
}
.track-card.customer .track-badge {
    background: var(--primary);
    color: var(--white);
}
.track-card.influencer .track-badge {
    background: var(--accent);
    color: var(--white);
}
.track-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 12px;
}
.track-card > p {
    color: var(--gray-600);
    margin-bottom: 24px;
    font-size: .95rem;
}
.track-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.track-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: .9rem;
    color: var(--gray-700);
}
.track-list li svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* ============================================
   SCREENSHOTS
   ============================================ */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.screenshot-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.screenshot-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.screenshot-placeholder {
    height: 220px;
    background: linear-gradient(135deg, var(--dark), var(--dark-soft));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: rgba(255,255,255,.5);
    font-size: .85rem;
}
.screenshot-placeholder svg { opacity: .4; }
.screenshot-info { padding: 20px; }
.screenshot-info h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
}
.screenshot-info p {
    font-size: .85rem;
    color: var(--gray-500);
}

/* ============================================
   PRICING
   ============================================ */
.pricing-section { background: var(--gray-50); }

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}
.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    position: relative;
    transition: var(--transition);
}
.pricing-card:hover {
    border-color: var(--primary-lighter);
    box-shadow: var(--shadow-lg);
}
.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: 0 8px 30px rgba(79,70,229,.2);
    transform: scale(1.03);
}
.popular-label {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    font-size: .75rem;
    font-weight: 700;
    padding: 5px 18px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: .05em;
}
.pricing-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}
.pricing-revenue {
    font-size: .8rem;
    color: var(--gray-400);
    margin-bottom: 16px;
}
.pricing-price {
    margin-bottom: 20px;
}
.pricing-price .amount {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--gray-900);
}
.pricing-price .period {
    font-size: .9rem;
    color: var(--gray-400);
}
.pricing-card .btn { width: 100%; justify-content: center; }

.pricing-features {
    list-style: none;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.pricing-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .85rem;
    color: var(--gray-600);
}
.pricing-features li svg { flex-shrink: 0; }

.pricing-more {
    text-align: center;
    padding: 24px;
    background: var(--white);
    border: 1px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    color: var(--gray-500);
    font-size: .9rem;
}
.pricing-more a {
    color: var(--primary);
    font-weight: 600;
}
.pricing-more a:hover { text-decoration: underline; }

/* ============================================
   FAQ
   ============================================ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}
.faq-item.open {
    border-color: var(--primary-lighter);
    box-shadow: var(--shadow-md);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
}
.faq-question svg {
    flex-shrink: 0;
    transition: var(--transition);
    color: var(--gray-400);
}
.faq-item.open .faq-question svg {
    transform: rotate(180deg);
    color: var(--primary);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
}
.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: .9rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ============================================
   CTA
   ============================================ */
.cta-section {
    background: linear-gradient(160deg, var(--dark) 0%, var(--primary-darker) 100%);
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 600px 400px at 50% 50%, rgba(79,70,229,.3), transparent);
    pointer-events: none;
}
.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
}
.cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}
.cta-content p {
    font-size: 1.1rem;
    color: rgba(255,255,255,.6);
    margin-bottom: 36px;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,.5);
    padding: 48px 0;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--white);
    font-size: 1rem;
}
.footer-links { display: flex; gap: 24px; }
.footer-links a {
    color: rgba(255,255,255,.5);
    font-size: .85rem;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: .8rem; }

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px; height: 44px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(16px);
    transition: var(--transition);
    z-index: 900;
    box-shadow: var(--shadow-lg);
}
.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}
.back-to-top:hover { background: var(--primary-dark); }

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-sub { margin-left: auto; margin-right: auto; }
    .hero-cta { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { max-width: 560px; margin: 0 auto; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-card.popular { transform: scale(1.02); }
}

@media (max-width: 768px) {
    .nav { display: none; }
    .hamburger { display: flex; }
    .mobile-nav { display: flex; }
    .section { padding: 64px 0; }
    .trust-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .features-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr 1fr; }
    .steps-grid::before { display: none; }
    .dual-grid { grid-template-columns: 1fr; }
    .screenshots-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
    .pricing-card.popular { transform: none; }
    .hero-stats { flex-direction: column; gap: 16px; align-items: center; }
    .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .trust-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.8rem; }
    .hero-cta { flex-direction: column; align-items: center; }
    .btn-lg { width: 100%; justify-content: center; }
    .float-badge { display: none; }
}