/* ===== UI/UX Pro Max Design System: Easiest Dog Offers ===== */
/* Color Palette: Playful orange + trust blue (from skill) */
/* Typography: Outfit (headings) + Inter (body) */
/* Style: Micro-interactions, glassmorphism cards */

:root {
    /* Semantic Color Tokens (from ui-ux-pro-max) */
    --color-primary: #F97316;
    --color-primary-dark: #EA580C;
    --color-primary-glow: rgba(249, 115, 22, 0.25);
    --color-on-primary: #0F172A;
    --color-secondary: #FB923C;
    --color-accent: #2563EB;
    --color-accent-dark: #1D4ED8;
    --color-accent-glow: rgba(37, 99, 235, 0.25);
    --color-background: #FFF7ED;
    --color-foreground: #9A3412;
    --color-surface: #FFFFFF;
    --color-surface-dark: #0F172A;
    --color-surface-dark-alt: #1E293B;
    --color-muted: #F1F0F0;
    --color-border: #FED7AA;
    --color-destructive: #DC2626;
    --color-success: #10B981;
    --color-text: #1E293B;
    --color-text-muted: #64748B;
    --color-ring: #F97316;

    /* Spacing Scale (8dp system from skill) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
    --space-8: 64px;
    --space-9: 96px;

    /* Type Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.25rem;

    /* Shadows (consistent elevation scale) */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.04), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.08), 0 4px 10px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.12);

    /* Transitions (150-300ms per skill) */
    --transition-fast: 150ms cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-base: 250ms cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-slow: 350ms cubic-bezier(0.25, 0.1, 0.25, 1);

    /* Z-Index Scale */
    --z-base: 0;
    --z-dropdown: 10;
    --z-sticky: 20;
    --z-fixed: 40;
    --z-modal: 100;
    --z-toast: 1000;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;
}

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

/* ===== BASE ===== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--color-text);
    line-height: 1.7;
    font-size: var(--text-base); /* Min 16px per skill */
    background-color: var(--color-background);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, .logo-text {
    font-family: 'Outfit', -apple-system, sans-serif;
    color: var(--color-surface-dark);
    line-height: 1.2;
    font-weight: 700;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== SKIP LINK (Accessibility) ===== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent);
    color: #fff;
    padding: var(--space-2) var(--space-4);
    z-index: var(--z-toast);
    transition: top var(--transition-fast);
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

/* ===== CONTAINER ===== */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.highlight {
    color: var(--color-primary);
}

h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
    font-weight: 800;
}

.section {
    padding: var(--space-9) 0;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    text-align: center;
    transition: transform var(--transition-fast), box-shadow var(--transition-base), background-color var(--transition-fast);
    cursor: pointer;
    border: none;
    letter-spacing: 0.3px;
    min-height: 44px; /* Touch target minimum */
}

.btn:focus-visible {
    outline: 3px solid var(--color-ring);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    box-shadow: 0 4px 15px var(--color-primary-glow);
    font-size: var(--text-lg);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(249, 115, 22, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: #fff;
    box-shadow: 0 4px 15px var(--color-accent-glow);
    font-size: var(--text-lg);
}

.btn-accent:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
}

.btn-accent:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-small {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
}

.btn-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--color-primary-glow);
}

.btn-large {
    padding: var(--space-4) var(--space-7);
    font-size: var(--text-xl);
}

/* ===== HEADER ===== */
.header {
    background-color: rgba(255, 247, 237, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo-text {
    font-size: var(--text-2xl);
    font-weight: 800;
}

/* ===== HERO ===== */
.hero {
    padding: 140px 0 var(--space-9);
    background: linear-gradient(160deg, var(--color-surface-dark) 0%, var(--color-surface-dark-alt) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 140%;
    background: radial-gradient(circle, rgba(249,115,22,0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.hero-particles .particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(249, 115, 22, 0.35);
    border-radius: 50%;
    animation: float-particle linear infinite;
}

@keyframes float-particle {
    0% { transform: translateY(0) scale(1); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) scale(0); opacity: 0; }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: #fff;
    margin-bottom: var(--space-5);
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--space-5);
    max-width: 540px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    margin-bottom: var(--space-5);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.badge-icon {
    color: var(--color-primary);
}

/* Social Proof Counter */
.social-proof-counter {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    padding: var(--space-3) var(--space-5);
    background: rgba(255,255,255,0.06);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255,255,255,0.1);
}

.counter-icon {
    color: rgba(255,255,255,0.6);
}

.counter-text {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.85);
}

.counter-text strong {
    color: var(--color-primary);
}

.hero-guarantee {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.6);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.icon-check {
    color: var(--color-success);
}

.hero-image-wrapper {
    position: relative;
}

.image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: var(--color-primary);
    filter: blur(80px);
    opacity: 0.2;
    border-radius: 50%;
    z-index: 1;
}

.hero-image {
    width: 100%;
    border-radius: var(--radius-lg);
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-xl);
    border: 3px solid rgba(255,255,255,0.08);
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

/* ===== PROBLEM SECTION ===== */
.problem-section {
    background-color: var(--color-surface);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

.section-desc {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.problem-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: center;
}

.floating-image {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

.problem-list {
    list-style: none;
}

.problem-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    background: var(--color-background);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    font-size: var(--text-base);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-base);
    cursor: default;
}

.problem-list li:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.problem-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.problem-solution-box {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-top: var(--space-5);
    padding: var(--space-5);
    background-color: rgba(37, 99, 235, 0.06);
    border-radius: var(--radius-md);
    border: 1px solid rgba(37, 99, 235, 0.15);
    color: var(--color-surface-dark);
}

.solution-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

/* ===== SCIENCE SECTION ===== */
.science-section {
    background: linear-gradient(160deg, var(--color-surface-dark) 0%, var(--color-surface-dark-alt) 100%);
    color: #fff;
}

.science-section h2 { color: #fff; }

.science-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: center;
}

.science-text p {
    margin-bottom: var(--space-5);
    font-size: var(--text-lg);
    color: rgba(255,255,255,0.8);
    max-width: 540px;
}

.science-features { display: grid; gap: var(--space-5); }

.glass-panel {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: transform var(--transition-fast), background var(--transition-base), border-color var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(249,115,22,0.3);
}

.feature-icon-wrap {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(249,115,22,0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
}

.feature-card h3 { color: #fff; margin-bottom: var(--space-2); font-size: var(--text-xl); }
.feature-card p { color: rgba(255,255,255,0.7); font-size: var(--text-sm); line-height: 1.6; }

/* ===== ROADMAP ===== */
.roadmap-section { background-color: var(--color-background); }

.roadmap-timeline { position: relative; max-width: 700px; margin: 0 auto; }

.roadmap-line {
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
    border-radius: 3px;
}

.roadmap-step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    margin-bottom: var(--space-5);
    position: relative;
}

.step-dot {
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    font-size: var(--text-lg);
    z-index: 2;
    box-shadow: 0 4px 15px var(--color-primary-glow);
}

.step-dot-star {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    box-shadow: 0 4px 15px var(--color-accent-glow);
}

.glass-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-base);
    flex: 1;
}

.glass-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.star-card {
    border: 2px solid var(--color-accent);
    background: linear-gradient(135deg, #EFF6FF, var(--color-surface));
}

.step-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.step-card h3 { font-size: var(--text-lg); }
.step-card p { color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.6; }

/* ===== COMPARISON TABLE ===== */
.comparison-section { background-color: var(--color-surface); }

.comparison-table-wrapper {
    max-width: 850px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.comparison-table { width: 100%; border-collapse: collapse; }

.comparison-table th,
.comparison-table td {
    padding: var(--space-4) var(--space-5);
    text-align: left;
    font-size: var(--text-sm);
}

.comparison-table thead th {
    background: var(--color-surface-dark);
    color: #fff;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: var(--text-base);
}

.comparison-table thead th svg {
    vertical-align: middle;
    margin-right: var(--space-1);
}

.comparison-table tbody tr {
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

.comparison-table tbody tr:hover { background-color: rgba(249,115,22,0.04); }
.comparison-table tbody tr:last-child { border-bottom: none; }
.comparison-table td:first-child { font-weight: 600; color: var(--color-surface-dark); }
.col-bad { color: var(--color-destructive); }
.col-good { color: var(--color-success); font-weight: 600; }

/* ===== TESTIMONIALS ===== */
.testimonials-section {
    background: linear-gradient(160deg, var(--color-surface-dark) 0%, var(--color-surface-dark-alt) 100%);
    color: #fff;
}

.testimonials-section h2 { color: #fff; }
.testimonials-section .section-desc { color: rgba(255,255,255,0.7); }

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.testimonial-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: transform var(--transition-fast), background var(--transition-base), border-color var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.08);
    border-color: rgba(249,115,22,0.3);
}

.stars {
    display: flex;
    gap: 2px;
    margin-bottom: var(--space-4);
}

.testimonial-text {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.85);
    margin-bottom: var(--space-5);
    font-style: italic;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.author-avatar {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    color: rgba(255,255,255,0.6);
}

.author-name { font-weight: 700; color: #fff; font-size: var(--text-sm); }
.author-title { font-size: var(--text-xs); color: rgba(255,255,255,0.5); }

/* Post-Testimonial CTA */
.post-testimonial-cta {
    text-align: center;
    margin-top: var(--space-8);
}

/* ===== CREATOR SECTION ===== */
.creator-section {
    background-color: var(--color-background);
    background-image: radial-gradient(rgba(0,0,0,0.03) 1.5px, transparent 1.5px);
    background-size: 24px 24px;
}

.creator-box {
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-7);
}

.creator-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(249,115,22,0.08);
    border: 1px solid rgba(249,115,22,0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-primary-dark);
}

.creator-text {
    font-size: var(--text-base);
    line-height: 1.8;
    margin-top: var(--space-4);
    max-width: 65ch; /* Line length control */
    margin-left: auto;
    margin-right: auto;
}

/* ===== FAQ ===== */
.faq-section { background-color: var(--color-surface); }

.faq-list { max-width: 750px; margin: 0 auto; }

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    overflow: hidden;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    background: var(--color-background);
}

.faq-item:hover { border-color: rgba(249,115,22,0.3); }

.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: 0 4px 15px var(--color-primary-glow);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-5);
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Outfit', sans-serif;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-surface-dark);
    text-align: left;
    transition: color var(--transition-fast);
    min-height: 44px;
}

.faq-question:hover { color: var(--color-primary); }

.faq-question:focus-visible {
    outline: 3px solid var(--color-ring);
    outline-offset: -3px;
    border-radius: var(--radius-sm);
}

.faq-chevron {
    transition: transform var(--transition-base);
    color: var(--color-primary);
    flex-shrink: 0;
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 350ms ease, padding 350ms ease;
    padding: 0 var(--space-5);
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 var(--space-5) var(--space-5);
}

.faq-answer p {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    line-height: 1.8;
}

/* ===== CTA SECTION ===== */
.cta-section {
    text-align: center;
    background: linear-gradient(160deg, var(--color-surface-dark) 0%, var(--color-surface-dark-alt) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-section h2 { color: #fff; position: relative; }

.cta-container { max-width: 800px; margin: 0 auto; position: relative; }

.cta-section p {
    font-size: var(--text-lg);
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--space-6);
}

.secure-checkout {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-5) !important;
    font-size: var(--text-xs) !important;
    color: rgba(255,255,255,0.4) !important;
}

/* ===== FOOTER ===== */
.footer {
    background-color: #050d1a;
    color: rgba(255,255,255,0.5);
    padding: var(--space-7) 0;
    text-align: center;
    font-size: var(--text-sm);
}

.footer-brand {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: var(--text-xl);
    color: rgba(255,255,255,0.7);
    margin-bottom: var(--space-2);
}

.disclaimer {
    margin-top: var(--space-3);
    font-size: var(--text-xs);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* ===== STICKY MOBILE CTA ===== */
.sticky-cta-bar {
    position: fixed;
    bottom: -80px;
    left: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--space-3) var(--space-4);
    z-index: var(--z-sticky);
    text-align: center;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
    transition: bottom 400ms cubic-bezier(0.25, 0.1, 0.25, 1);
    display: none;
}

.sticky-cta-bar.visible { bottom: 0; }

.btn-sticky {
    width: 100%;
    max-width: 400px;
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-5);
}

/* ===== ANIMATIONS ===== */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse-shadow {
    0% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.35); }
    70% { box-shadow: 0 0 0 18px rgba(249, 115, 22, 0); }
    100% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0); }
}

.pulse-anim { animation: pulse-shadow 2s infinite; }

/* Scroll Animations (use transform/opacity only per skill) */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 600ms ease-out, transform 600ms ease-out;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 600ms ease-out, transform 600ms ease-out;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 600ms ease-out, transform 600ms ease-out;
}

.is-visible {
    opacity: 1;
    transform: translate(0);
}

/* Stagger delays (30-50ms per item per skill) */
.delay-1 { transition-delay: 50ms; }
.delay-2 { transition-delay: 100ms; }
.delay-3 { transition-delay: 150ms; }
.delay-4 { transition-delay: 200ms; }
.delay-5 { transition-delay: 250ms; }
.delay-6 { transition-delay: 300ms; }
.delay-7 { transition-delay: 350ms; }

/* Respect reduced motion (CRITICAL per skill) */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .fade-in-up, .fade-in-left, .fade-in-right {
        opacity: 1;
        transform: none;
    }
    .floating-image { animation: none; }
    .pulse-anim { animation: none; }
    .hero-particles { display: none; }
}

/* ===== RESPONSIVE (375 / 768 / 1024 / 1440 breakpoints) ===== */
@media (max-width: 1024px) {
    .hero-title { font-size: var(--text-4xl); }
    .hero-container,
    .problem-content,
    .science-container {
        grid-template-columns: 1fr;
        gap: var(--space-7);
    }
    .hero { padding: 120px 0 var(--space-8); }
    .science-text { order: -1; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .sticky-cta-bar { display: block; }
}

@media (max-width: 768px) {
    .hero-title { font-size: var(--text-3xl); }
    h2 { font-size: var(--text-3xl); }
    .section { padding: var(--space-8) 0; }
    .comparison-table th,
    .comparison-table td {
        padding: var(--space-3);
        font-size: var(--text-xs);
    }
    .roadmap-line { left: 22px; }
    .step-dot { width: 44px; height: 44px; min-width: 44px; font-size: var(--text-base); }
    .creator-box { padding: var(--space-6) var(--space-5); }
}

@media (max-width: 375px) {
    .hero-title { font-size: var(--text-2xl); }
    h2 { font-size: var(--text-2xl); }
    .btn-large { padding: var(--space-3) var(--space-5); font-size: var(--text-base); }
    .social-proof-counter { flex-direction: column; text-align: center; }
}