/* ================================================
   Kit Completo de Ciências — Landing Page CSS
   Mobile-first · Clean · Conversion-focused
   ================================================ */

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

:root {
    /* Colors */
    --primary: #2E7D32;
    --primary-dark: #1B5E20;
    --primary-light: #4CAF50;
    --primary-bg: #E8F5E9;
    --accent: #FF6F00;
    --accent-light: #FFF3E0;
    --dark: #1a1a2e;
    --dark-section: #0f1923;
    --text: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --white: #ffffff;
    --off-white: #f8faf8;
    --border: #e0e0e0;
    --green-check: #2E7D32;
    --red: #d32f2f;
    --blue: #1565C0;
    --premium-gold: #FF8F00;
    --premium-bg: linear-gradient(135deg, #1B5E20 0%, #2E7D32 100%);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.15);

    /* Spacing */
    --section-padding: 4rem 0;
    --container-padding: 0 1.25rem;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

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

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

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

/* === LAYOUT === */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--container-padding);
}

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

/* === TYPOGRAPHY === */
.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 1rem;
}

.section-tag.dark-tag {
    color: var(--primary-light);
    background: rgba(76, 175, 80, 0.15);
}

.section-title {
    font-family: 'Outfit', 'Inter', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.text-white {
    color: var(--white) !important;
}

.text-light {
    color: rgba(255, 255, 255, 0.7) !important;
}

.text-green {
    color: var(--green-check) !important;
}

.text-red {
    color: var(--red) !important;
}

.font-bold {
    font-weight: 700;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    line-height: 1.4;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 125, 50, 0.4);
}

.btn-accent {
    background: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 111, 0, 0.3);
}

.btn-accent:hover {
    background: #E65100;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 111, 0, 0.4);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.05rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-glow {
    animation: btnGlow 2s ease-in-out infinite;
}

@keyframes btnGlow {

    0%,
    100% {
        box-shadow: 0 4px 15px rgba(46, 125, 50, 0.3);
    }

    50% {
        box-shadow: 0 4px 30px rgba(46, 125, 50, 0.5);
    }
}

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.03);
    }
}

/* === TOP BANNER === */
.top-banner {
    background: var(--primary-dark);
    color: var(--white);
    text-align: center;
    padding: 10px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    line-height: 1.4;
}

/* === HERO SECTION === */
.hero {
    background: linear-gradient(135deg, #f0fdf0 0%, #e8f5e9 50%, #f1f8e9 100%);
    padding: 3rem 0 3.5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(46, 125, 50, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.hero-text-top h1 {
    font-family: 'Outfit', 'Inter', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: 1rem;
}

.hero-text-top h1 .highlight {
    color: var(--primary);
    position: relative;
}

.hero-text-top>p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0;
}

.hero-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 1.75rem;
}

.hero-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
}

.hero-features li .emoji-check {
    font-size: 1.1rem;
}

.hero-seal {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-seal i {
    color: var(--primary);
}

.hero-image {
    display: flex;
    justify-content: center;
}

.hero-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-height: 350px;
    object-fit: cover;
    width: 100%;
}

/* === PAIN SECTION (DOR) === */
.pain-section {
    padding: var(--section-padding);
    background: var(--white);
}

.pain-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.pain-card {
    background: var(--off-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition);
}

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

.pain-card .pain-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    display: block;
}

.pain-card h4 {
    font-family: 'Outfit', 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.pain-closing {
    text-align: center;
    font-size: 1rem;
    color: var(--text);
    font-weight: 500;
    max-width: 550px;
    margin: 0 auto;
    line-height: 1.6;
    padding: 1.25rem;
    background: var(--primary-bg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
}

/* === SOLUTION SECTION === */
.solution-section {
    padding: var(--section-padding);
    background: var(--off-white);
}

.solution-intro {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.7;
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.solution-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.solution-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.solution-item .sol-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.solution-item span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark);
}

/* === SAMPLES SECTION === */
.samples-section {
    padding: var(--section-padding);
    background: var(--dark-section);
}

.samples-gallery {
    overflow: hidden;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    padding: 0.5rem 0;
}

.samples-track {
    display: flex;
    gap: 16px;
    width: max-content;
    padding: 0 16px;
}

.samples-track img {

    width: 300px;
    height: 430px;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.samples-track img:hover {
    transform: scale(1.03);
}

@keyframes infiniteScroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(var(--scroll-width));
    }
}

/* === STEPS SECTION (Simples Assim) === */
.steps-section {
    padding: var(--section-padding);
    background: var(--dark-section);
}

.steps-section .section-title {
    color: var(--white);
}

.steps-section .section-subtitle {
    color: #9b9b9b;
}

.steps-section .section-tag {
    background: var(--primary-bg);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.step-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--off-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.step-number {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.25);
}

.step-card h4 {
    font-family: 'Outfit', 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
    max-width: 320px;
    margin: 0 auto;
}

/* === PLANS COMPARISON === */
.plans-section {
    padding: var(--section-padding);
    background: var(--off-white);
}

.plans-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 500px;
    margin: 0 auto;
}

.plan-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.plan-card:hover {
    box-shadow: var(--shadow-lg);
}

.plan-card.premium {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.plan-badge {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: var(--primary);
    color: var(--white);
    text-align: center;
    padding: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.plan-card.premium .plan-header {
    padding-top: 3rem;
}

.plan-header {
    padding: 1.75rem 1.5rem 1rem;
    text-align: center;
}

.plan-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.plan-quantity {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.25rem;
    font-family: 'Outfit', sans-serif;
}

.plan-quantity-label {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

.plan-body {
    padding: 0 1.5rem 1.75rem;
}

.plan-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text);
    border-bottom: 1px solid #f0f0f0;
}

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

.plan-features li i {
    font-size: 0.85rem;
}

.plan-features li.disabled {
    color: var(--text-muted);
    text-decoration: line-through;
    opacity: 0.6;
}

/* === SOCIAL PROOF (Facebook Comments) === */
.social-proof {
    padding: var(--section-padding);
    background: var(--white);
}

.fb-comments-box {
    max-width: 680px;
    margin: 0 auto;
    background: var(--white);
    border: 1px solid #dddfe2;
    border-radius: var(--radius-sm);
    font-family: Helvetica, Arial, sans-serif;
    overflow: hidden;
}

.fb-comments-header {
    padding: 12px 16px;
    border-bottom: 1px solid #dddfe2;
    background: #f6f7f9;
}

.fb-comments-count {
    font-size: 0.85rem;
    font-weight: 600;
    color: #4b4f56;
}

.fb-comment {
    display: flex;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f2f5;
}

.fb-comment:last-of-type {
    border-bottom: none;
}

.fb-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background: #e4e6eb;
}

.fb-avatar-small {
    width: 32px;
    height: 32px;
}

.fb-comment-body {
    flex: 1;
    min-width: 0;
}

.fb-comment-author {
    font-size: 0.82rem;
    font-weight: 700;
    color: #050505;
    margin-bottom: 2px;
    text-align: start;
}

.fb-author-badge {
    display: inline-block;
    background: var(--primary);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 3px;
    margin-left: 6px;
    vertical-align: middle;
}

.fb-comment-text {
    font-size: 0.88rem;
    color: #050505;
    line-height: 1.4;
    margin-bottom: 4px;
    word-wrap: break-word;
    text-align: start;
}

.fb-comment-actions {
    font-size: 0.75rem;
    color: #65676b;
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.fb-action {
    font-weight: 700;
    color: #65676b;
    cursor: pointer;
}

.fb-action:hover {
    text-decoration: underline;
}

.fb-action.fb-liked {
    color: #1877f2;
}

.fb-time {
    color: #65676b;
}

.fb-like-count {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    background: #f0f2f5;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 0.72rem;
    margin-left: 4px;
}

.fb-like-icon {
    color: #1877f2;
    font-size: 0.65rem;
}

.fb-reply {
    margin-top: 8px;
    padding: 0;
    border-bottom: none;
    padding-left: 0;
}

.fb-plugin-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: #f6f7f9;
    border-top: 1px solid #dddfe2;
    font-size: 0.75rem;
    color: #65676b;
}

.fb-plugin-icon {
    color: #1877f2;
    font-size: 1rem;
}

/* === GUARANTEE === */
.guarantee-section {
    padding: var(--section-padding);
    background: var(--off-white);
}

.guarantee-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.guarantee-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: block;
}

.guarantee-box h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.guarantee-box p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* === PRICING / OFERTA === */
.pricing-section {
    padding: 4.5rem 0;
    background: linear-gradient(180deg, #f8faf8 0%, #e8f5e9 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 500px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border);
    overflow: hidden;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
}

.pricing-card.premium {
    border-color: var(--primary);
    box-shadow: 0 8px 30px rgba(46, 125, 50, 0.2);
}

.popular-badge {
    background: var(--primary);
    color: var(--white);
    text-align: center;
    padding: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.pricing-card img {
    max-width: 300px;
    max-height: 300px;
    padding-top: 30px;
    margin: auto;
}

.card-header {
    padding: 2rem 1.5rem 1rem;
    text-align: center;
}

.card-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.cash-price {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.cash-price s {
    color: var(--red);
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 2px;
    margin: 0.5rem 0;
}

.price .currency {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    padding-top: 8px;
}

.price .amount {
    font-family: 'Outfit', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.price .cents {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    padding-top: 6px;
}

.card-body {
    padding: 0 1.5rem 2rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text);
    border-bottom: 1px solid #f0f0f0;
}

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

.pricing-features li.disabled {
    color: var(--text-muted);
    opacity: 0.6;
}

.secure-checkout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 1.5rem;
}

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

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    overflow: hidden;
    transition: var(--transition);
}

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

.faq-item summary {
    padding: 1rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    list-style: none;
    transition: var(--transition);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    flex-shrink: 0;
    margin-left: 12px;
    transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item[open] summary {
    background: var(--primary-bg);
    color: var(--primary-dark);
}

.faq-answer {
    padding: 0 1.25rem 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* === FOOTER / FINAL CTA === */
.site-footer {
    padding: 4rem 0 2rem;
    background: var(--dark-section);
    color: var(--white);
}

.footer-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.footer-subtitle {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.footer-checks {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.footer-checks span {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-badges span {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
}

.copyright {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.copyright p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: 0.5rem;
}

.footer-links {
    font-size: 0.78rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.35);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
}

/* === RESPONSIVE === */
@media (min-width: 480px) {
    .pain-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (min-width: 768px) {
    :root {
        --section-padding: 5rem 0;
        --container-padding: 0 2rem;
    }

    .section-title {
        font-size: 2.25rem;
    }

    .hero {
        padding: 4rem 0 5rem;
    }

    .hero-content {
        display: grid;
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
        align-items: center;
        gap: 1.5rem 2rem;
    }

    .hero-text-top {
        grid-column: 1;
        grid-row: 1;
    }

    .hero-text-bottom {
        grid-column: 1;
        grid-row: 2;
    }

    .hero-image {
        grid-column: 2;
        grid-row: 1 / 3;
    }

    .hero-text-top h1 {
        font-size: 2.25rem;
    }

    .hero-image {
        flex: 0 0 380px;
    }

    .hero-image img {
        max-height: 420px;
    }

    .pain-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }

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

    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .pricing-grid,
    .plans-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 700px;
    }

    .samples-track img {
        width: 300px;
        height: 430px;
    }

    .footer-title {
        font-size: 1.75rem;
    }
}

@media (min-width: 1024px) {
    :root {
        --container-padding: 0 2.5rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .hero-text-top h1 {
        font-size: 2.5rem;
    }

    .hero-image {
        width: 440px;
    }

    .pain-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

    .footer-title {
        font-size: 2rem;
    }
}

/* === UTILITY CLASSES === */
.mb-3 {
    margin-bottom: 1rem;
}

.mt-auto {
    margin-top: auto;
}

.bg-light {
    background: var(--off-white);
}