/* ============================================================
   VCNZN — ICT Drawing Tools Website
   Theme: Clean, light, cream/brown, neutral, sophisticated
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
    /* Cream / Warm Neutrals */
    --bg-primary:    #FDFBF7;
    --bg-secondary:  #F7F3ED;
    --bg-tertiary:   #EFE9DF;
    --bg-card:       #FFFFFF;
    --bg-card-hover: #FEFDFB;

    /* Browns / Warm Accents */
    --accent:        #8B6F47;
    --accent-dark:   #6B5535;
    --accent-light:  #A8875D;
    --accent-subtle: #D4C4A8;
    --accent-bg:     #F5F0E8;

    /* Text */
    --text-primary:   #2C2418;
    --text-secondary: #5C4F3D;
    --text-tertiary:  #8A7D6B;
    --text-inverse:   #FDFBF7;

    /* Borders */
    --border:        #E8E0D4;
    --border-light:  #F0EBE3;

    /* Utility */
    --success:       #5A8A5E;
    --shadow-sm:     0 1px 3px rgba(44, 36, 24, 0.06);
    --shadow-md:     0 4px 12px rgba(44, 36, 24, 0.08);
    --shadow-lg:     0 8px 30px rgba(44, 36, 24, 0.10);
    --shadow-xl:     0 16px 48px rgba(44, 36, 24, 0.12);

    /* Spacing */
    --section-y:     6rem;
    --container-max: 1200px;

    /* Radius */
    --radius-sm:  6px;
    --radius-md:  10px;
    --radius-lg:  16px;
    --radius-xl:  24px;

    /* Transitions */
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.65;
    color: var(--text-primary);
    background: var(--bg-primary);
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--accent-dark); }
code {
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.875em;
    background: var(--bg-tertiary);
    padding: 0.15em 0.4em;
    border-radius: var(--radius-sm);
    color: var(--accent-dark);
}

/* ---------- Layout ---------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: var(--section-y) 0;
}

/* ---------- Navigation ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(253, 251, 247, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.nav.scrolled {
    border-bottom-color: var(--border);
    background: rgba(253, 251, 247, 0.95);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo { display: flex; align-items: center; gap: 0.5rem; }
.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s var(--ease);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s var(--ease);
}

.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }

.nav-cta {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-inverse);
    background: var(--accent);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    transition: background 0.2s var(--ease), transform 0.15s var(--ease);
}

.nav-cta:hover {
    background: var(--accent-dark);
    color: var(--text-inverse);
    transform: translateY(-1px);
}

/* Mobile toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s var(--ease);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.25s var(--ease);
    text-decoration: none;
}

.btn-icon {
    width: 18px;
    height: 18px;
    transition: transform 0.2s var(--ease);
}

.btn:hover .btn-icon { transform: translateX(3px); }

.btn-primary {
    background: var(--accent);
    color: var(--text-inverse);
}
.btn-primary:hover {
    background: var(--accent-dark);
    color: var(--text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
}
.btn-secondary:hover {
    border-color: var(--accent-subtle);
    background: var(--accent-bg);
    color: var(--accent-dark);
}

.btn-lg {
    font-size: 1.05rem;
    padding: 0.9rem 2.25rem;
}

/* ---------- Hero ---------- */
.hero {
    padding: 10rem 0 6rem;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--accent);
    background: var(--accent-bg);
    border: 1px solid var(--accent-subtle);
    padding: 0.3rem 1rem;
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat { text-align: center; }
.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
}
.stat-label {
    font-size: 0.825rem;
    color: var(--text-tertiary);
    font-weight: 500;
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ---------- Section Headings ---------- */
.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.775rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    background: var(--accent-bg);
    border: 1px solid var(--accent-subtle);
    padding: 0.25rem 0.85rem;
    border-radius: 100px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.4rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.015em;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ---------- Video in Cards ---------- */
.tool-card-video,
.free-card-video {
    position: relative;
    background: #1a1610;
    overflow: hidden;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    cursor: pointer;
}

.tool-card-video {
    margin: -2rem -2rem 1.5rem -2rem;
}

.free-card-video {
    margin: -2.25rem -2.25rem 1.5rem -2.25rem;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 */
    overflow: hidden;
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* Play button overlay */
.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 2;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.video-play-btn:hover {
    background: rgba(0, 0, 0, 0.75);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-play-btn svg {
    width: 28px;
    height: 28px;
    margin-left: 3px;
}

.video-play-btn.hidden {
    display: none;
}

/* ---------- Tools Grid ---------- */
.tools-section {
    background: var(--bg-secondary);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.3s var(--ease);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}

.tool-card:hover {
    border-color: var(--accent-subtle);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-card-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-bg);
    border-radius: var(--radius-md);
    color: var(--accent);
    margin-bottom: 1.25rem;
}

.tool-card-icon svg {
    width: 22px;
    height: 22px;
}

.tool-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.tool-card-subtitle {
    font-size: 0.825rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.tool-card-desc {
    font-size: 0.925rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.tool-card-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.tool-card-features li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-left: 1.3rem;
    position: relative;
    line-height: 1.5;
}

.tool-card-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-subtle);
}

/* ---------- Features Grid ---------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: all 0.3s var(--ease);
}

.feature-card:hover {
    border-color: var(--accent-subtle);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-bg);
    border-radius: var(--radius-sm);
    color: var(--accent);
    margin-bottom: 1rem;
}

.feature-icon svg {
    width: 20px;
    height: 20px;
}

.feature-card h4 {
    font-size: 1rem;
    font-weight: 650;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---------- Feature Matrix Table ---------- */
.matrix-section {
    background: var(--bg-secondary);
}

.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
}

.feature-matrix {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    white-space: nowrap;
}

.feature-matrix thead {
    background: var(--bg-tertiary);
}

.feature-matrix th {
    padding: 0.9rem 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    border-bottom: 2px solid var(--border);
}

.feature-matrix th:first-child {
    text-align: left;
    min-width: 160px;
}

.feature-matrix td {
    padding: 0.75rem 1.1rem;
    text-align: center;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.feature-matrix td:first-child {
    text-align: left;
    font-weight: 500;
    color: var(--text-primary);
}

.feature-matrix tbody tr:hover {
    background: var(--accent-bg);
}

.feature-matrix tbody tr:last-child td {
    border-bottom: none;
}

.check {
    color: var(--success);
    font-weight: 700;
    font-size: 1rem;
}

.dash {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* ---------- Free Tools ---------- */
.free-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.free-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    position: relative;
    transition: all 0.3s var(--ease);
}

.free-card:hover {
    border-color: var(--accent-subtle);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.free-card-badge {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--success);
    background: rgba(90, 138, 94, 0.1);
    border: 1px solid rgba(90, 138, 94, 0.25);
    padding: 0.2rem 0.65rem;
    border-radius: 100px;
}

.free-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-bg);
    border-radius: var(--radius-md);
    color: var(--accent);
    margin-bottom: 1.25rem;
}

.free-card-icon svg {
    width: 24px;
    height: 24px;
}

.free-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.free-card-tagline {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 0.85rem;
}

.free-card > p:not(.free-card-tagline) {
    font-size: 0.925rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.free-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.free-card ul li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-left: 1.3rem;
    position: relative;
    line-height: 1.5;
}

.free-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
}

/* ---------- Install / Steps ---------- */
.install-section {
    background: var(--bg-secondary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    text-align: center;
    transition: all 0.3s var(--ease);
}

.step-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent);
    background: var(--accent-bg);
    border: 1.5px solid var(--accent-subtle);
    border-radius: 50%;
}

.step-card h4 {
    font-size: 1rem;
    font-weight: 650;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.step-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---------- FAQ ---------- */
.faq-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.3s var(--ease);
}

.faq-item:hover {
    border-color: var(--accent-subtle);
}

.faq-item[open] {
    border-color: var(--accent-subtle);
    box-shadow: var(--shadow-sm);
}

.faq-item summary {
    padding: 1.15rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    user-select: none;
    transition: color 0.2s var(--ease);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
    content: '+';
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-tertiary);
    flex-shrink: 0;
    transition: transform 0.3s var(--ease);
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item summary:hover {
    color: var(--accent);
}

.faq-item p {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---------- CTA Section ---------- */
.cta-section {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    text-align: center;
    padding: 5rem 0;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.3rem);
    font-weight: 700;
    color: var(--text-inverse);
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.cta-content p {
    font-size: 1.05rem;
    color: rgba(253, 251, 247, 0.8);
    margin-bottom: 2rem;
}

.cta-section .btn-primary {
    background: var(--bg-primary);
    color: var(--accent-dark);
}

.cta-section .btn-primary:hover {
    background: #fff;
    color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ---------- Footer ---------- */
.footer {
    background: var(--text-primary);
    padding: 4rem 0 2rem;
    color: rgba(253, 251, 247, 0.65);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo-text {
    color: var(--text-inverse);
    margin-bottom: 0.5rem;
    display: block;
}

.footer-brand p {
    font-size: 0.875rem;
    margin-top: 0.75rem;
    line-height: 1.6;
}

.footer-links h5 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(253, 251, 247, 0.45);
    margin-bottom: 1rem;
}

.footer-links a {
    display: block;
    font-size: 0.875rem;
    color: rgba(253, 251, 247, 0.65);
    margin-bottom: 0.6rem;
    transition: color 0.2s var(--ease);
}

.footer-links a:hover {
    color: var(--text-inverse);
}

.footer-bottom {
    border-top: 1px solid rgba(253, 251, 247, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
}

.footer-disclaimer {
    margin-top: 0.75rem;
    font-size: 0.75rem !important;
    color: rgba(253, 251, 247, 0.35);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* ---------- Scroll Animations ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --section-y: 4rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(253, 251, 247, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0.75rem;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-link::after { display: none; }

    .nav-toggle { display: flex; }

    .nav-toggle.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero { padding: 8rem 0 4rem; }
    .hero-title { font-size: 2rem; }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .tools-grid,
    .free-grid {
        grid-template-columns: 1fr;
    }

    .tool-card {
        padding: 1.25rem;
    }

    .tool-card-video {
        margin: -1.25rem -1.25rem 1.25rem -1.25rem;
    }

    .free-card {
        padding: 1.25rem;
    }

    .free-card-video {
        margin: -1.25rem -1.25rem 1.25rem -1.25rem;
    }

    .free-card-badge {
        top: 0.85rem;
        right: 0.85rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .table-wrapper {
        margin: 0 -1rem;
        border-radius: var(--radius-md);
    }
}

@media (max-width: 480px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn { width: 100%; justify-content: center; }
}
