/* =====================================================
   VONTEK - Homepage Styles
   Color Palette:
   - Prussian Blue: #1b2338 (Primary dark)
   - Ocean Mist: #00c4a7 (Primary accent)
   - White: #ffffff
   - Soft Periwinkle: #9191e9 (Secondary)
   - Steel Blue: #457eac (Secondary)
   ===================================================== */

/* CSS Variables */
:root {
    --color-primary: #1b2338;
    --color-accent: #00c4a7;
    --color-white: #ffffff;
    --color-periwinkle: #9191e9;
    --color-steel: #457eac;

    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* =====================================================
   HEADER
   ===================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray-100);
    transition: all var(--transition-base);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: #00a88f;
    border-color: #00a88f;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 196, 167, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-gray-200);
}

.btn-secondary:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding: 10rem 0 6rem;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2a3652 50%, var(--color-steel) 100%);
}

.hero .container {
    width: 100%;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 2.5rem;
    color: var(--color-white);
}

.hero-title .highlight {
    color: var(--color-accent);
}

.hero-pillars {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.hero-pillar {
    font-size: 1.125rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
}

.hero-pillar:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
}

.hero-cta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero .btn-secondary {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.hero .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* =====================================================
   SECTION TITLES
   ===================================================== */
.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.section-title .highlight {
    color: var(--color-accent);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

/* =====================================================
   PROBLEM SECTION
   ===================================================== */
.problem {
    padding: 6rem 0;
    background: var(--color-gray-50);
}

.problem .section-title {
    margin-bottom: 4rem;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.problem-card {
    padding: 2rem;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-gray-200);
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.problem-card p {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* =====================================================
   SOLUTION SECTION
   ===================================================== */
.solution {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

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

.solution-card {
    padding: 2.5rem;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.solution-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.solution-card:hover::before {
    transform: scaleX(1);
}

.solution-card[data-module="knowledge"]::before {
    background: var(--color-primary);
}

.solution-card[data-module="assist"]::before {
    background: var(--color-accent);
}

.solution-card[data-module="channels"]::before {
    background: var(--color-periwinkle);
}

.solution-card[data-module="improve"]::before {
    background: var(--color-steel);
}

.solution-card-header {
    margin-bottom: 1rem;
}

.solution-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-gray-100);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.solution-badge.teal {
    background: rgba(0, 196, 167, 0.1);
    color: #00a88f;
}

.solution-badge.purple {
    background: rgba(145, 145, 233, 0.1);
    color: #7a7ad6;
}

.solution-badge.steel {
    background: rgba(69, 126, 172, 0.1);
    color: var(--color-steel);
}

.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.solution-intro {
    font-size: 1.0625rem;
    color: var(--color-gray-700);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.solution-detail {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* =====================================================
   HOW IT WORKS SECTION
   ===================================================== */
.how-it-works {
    padding: 6rem 0;
    background: var(--color-white);
}

.how-it-works .section-title {
    margin-bottom: 4rem;
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    margin-bottom: 5rem;
}

.step {
    flex: 1;
    max-width: 280px;
    text-align: center;
    padding: 0 1.5rem;
}

.step-number {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--color-accent), #00a88f);
    color: white;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(0, 196, 167, 0.3);
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.step-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

.step-connector {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-periwinkle));
    margin-top: 28px;
    flex-shrink: 0;
}

/* Example */
.example {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2a3652 100%);
    border-radius: var(--radius-2xl);
    padding: 3rem;
    overflow: hidden;
}

.example-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.example-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: rgba(0, 196, 167, 0.2);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.example-header h3 {
    font-size: 1.75rem;
    color: var(--color-white);
}

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

.example-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.example-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.example-role {
    font-weight: 600;
    color: var(--color-white);
    font-size: 1rem;
}

.example-location {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
    margin-left: 0.5rem;
}

.example-body {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.example-body p {
    margin-bottom: 1rem;
}

.example-result {
    padding: 0.75rem 1rem;
    background: rgba(0, 196, 167, 0.15);
    border-radius: var(--radius-md);
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.875rem;
}

.example-question {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
}

.question-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.example-answer {
    padding: 1rem;
    background: linear-gradient(135deg, rgba(0, 196, 167, 0.1), rgba(145, 145, 233, 0.05));
    border-left: 3px solid var(--color-accent);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.answer-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.example-answer ol {
    margin: 0.75rem 0 1rem 1.25rem;
}

.example-answer li {
    margin-bottom: 0.5rem;
}

.answer-source {
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.7);
}

/* =====================================================
   RESULTS SECTION
   ===================================================== */
.results {
    padding: 6rem 0;
    background: var(--color-gray-50);
}

.results .section-title {
    margin-bottom: 4rem;
}

/* Comparison Table */
.comparison-table {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 4rem;
}

.table-header, .table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
}

.table-header {
    background: var(--color-primary);
    color: var(--color-white);
}

.table-header .table-cell {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
}

.table-header .table-cell.highlight {
    background: rgba(0, 196, 167, 0.2);
}

.table-row {
    border-bottom: 1px solid var(--color-gray-100);
}

.table-row:last-child {
    border-bottom: none;
}

.table-row.total {
    background: var(--color-gray-50);
    font-weight: 600;
}

.table-cell {
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    font-size: 0.9375rem;
}

.table-cell.label {
    color: var(--color-gray-700);
    font-weight: 500;
}

.table-cell.before {
    color: var(--color-gray-500);
}

.table-cell.after {
    color: var(--color-accent);
    font-weight: 600;
    background: rgba(0, 196, 167, 0.05);
}

.table-cell.gain {
    color: var(--color-accent);
    font-weight: 700;
}

.table-cell.gain.highlight {
    font-size: 1.125rem;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.metric-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.metric-value {
    display: block;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.75rem;
}

.metric-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    line-height: 1.4;
}

.results-footnote {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray-500);
    font-style: italic;
}

/* =====================================================
   GUARANTEES SECTION
   ===================================================== */
.guarantees {
    padding: 6rem 0;
    background: var(--color-white);
}

.guarantees .section-title {
    margin-bottom: 4rem;
}

.guarantees-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.guarantee-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.guarantee-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.guarantee-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.guarantee-card p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* =====================================================
   FINAL CTA SECTION
   ===================================================== */
.final-cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2a3652 100%);
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 196, 167, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.final-cta h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.final-cta h2 .highlight {
    color: var(--color-accent);
}

.final-cta p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--color-gray-800);
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand .logo-text {
    color: var(--color-white);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.25rem;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-column a {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.footer-legal a {
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-gray-300);
}

.footer-legal .separator {
    color: var(--color-gray-600);
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */
@media (max-width: 1024px) {
    .solution-grid {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav .btn {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 6rem 0 3rem;
        min-height: auto;
    }

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

    .hero-pillars {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-pillar:not(:last-child)::after {
        display: none;
    }

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

    .steps {
        flex-direction: column;
        gap: 2rem;
    }

    .step-connector {
        width: 2px;
        height: 40px;
        margin: 0 auto;
    }

    .step {
        max-width: 100%;
    }

    .table-header, .table-row {
        grid-template-columns: 1.5fr 1fr 1fr 0.8fr;
    }

    .table-cell {
        padding: 0.75rem;
        font-size: 0.8125rem;
    }

    .metric-value {
        font-size: 2.25rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

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

    .example {
        padding: 1.5rem;
    }

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

    .comparison-table {
        overflow-x: auto;
    }

    .table-header, .table-row {
        min-width: 500px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }

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

/* =====================================================
   ANIMATIONS & UTILITIES
   ===================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Scroll reveal utility classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}