:root {
    --bg: #06070b;
    --bg-sec: #0e1118;
    --panel: rgba(16, 19, 29, 0.88);
    --card-bg: #141824;
    --card-strong: #1a2030;
    --accent: #ff6a3d;
    --accent-hover: #ff835d;
    --accent-cyan: #52d1ff;
    --text: #f7f7fb;
    --text-muted: #aeb7c9;
    --border: rgba(255,255,255,0.1);
    --shadow: 0 24px 60px rgba(0,0,0,0.35);
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: radial-gradient(circle at top, #1a1d2a 0%, var(--bg) 48%); color: var(--text); font-family: var(--font-body); line-height: 1.6; overflow-x: hidden; }
a { color: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.1; letter-spacing: -0.03em; }
section { position: relative; }
.container { width: min(1180px, 90vw); margin: 0 auto; }
.section-title { font-size: clamp(2.4rem, 5vw, 4rem); text-transform: uppercase; }
.section-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.1rem;
}
.section-eyebrow::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}
.section-heading { display: flex; justify-content: space-between; gap: 1.5rem; align-items: end; margin-bottom: 2.4rem; }
.section-heading p { max-width: 560px; color: var(--text-muted); font-size: 1.05rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 1rem 1.5rem; border-radius: 999px; border: 1px solid transparent; font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; text-decoration: none; cursor: pointer; transition: transform 0.2s, background 0.2s, border-color 0.2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 18px 38px rgba(255,106,61,0.28); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: transparent; border-color: var(--border); color: var(--text); }
.btn-secondary:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.text-link { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--accent-cyan); text-decoration: none; font-weight: 600; }

.cursor-glow { position: fixed; top: 0; left: 0; width: 360px; height: 360px; background: radial-gradient(circle, rgba(82,209,255,0.12) 0%, transparent 70%); border-radius: 50%; pointer-events: none; z-index: 9999; transform: translate(-50%, -50%); transition: opacity 0.25s; opacity: 0; display: none; }
@media (hover: hover) and (pointer: fine) { .cursor-glow { display: block; } }

.navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 1.3rem 0; transition: all 0.3s ease; }
.navbar.sticky { background: rgba(6,7,11,0.82); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); padding: 0.8rem 0; }
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.logo { font-family: var(--font-heading); font-size: 2rem; font-weight: 700; text-decoration: none; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 2rem; }
.nav-links a { color: var(--text); text-decoration: none; font-family: var(--font-heading); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.08em; }
.nav-links a:hover { color: var(--accent-cyan); }
.hamburger { display: none; flex-direction: column; gap: 6px; cursor: pointer; z-index: 1000; background: transparent; border: 0; padding: 0; }
.hamburger span { width: 30px; height: 3px; background: var(--text); border-radius: 99px; transition: 0.3s; }
.hamburger.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

.hero { min-height: 100vh; padding: 9rem 0 5rem; display: flex; align-items: center; }
.hero-bg-glow { position: absolute; top: 10%; right: 10%; width: 540px; height: 540px; background: radial-gradient(circle, rgba(255,106,61,0.16) 0%, transparent 70%); filter: blur(10px); }
.hero-container { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 2rem; align-items: center; }
.name-badge { display: inline-flex; align-items: center; padding: 0.45rem 1rem; border-radius: 999px; background: rgba(82,209,255,0.1); border: 1px solid rgba(82,209,255,0.24); color: var(--accent-cyan); font-family: var(--font-heading); font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 1.2rem; }
/* H6 fix: wider max-width so longer custom headings don't get clipped */
.hero-heading { font-size: clamp(3.1rem, 7vw, 6rem); max-width: 14ch; margin-bottom: 1rem; }
.hero-subheading { max-width: 620px; color: var(--text-muted); font-size: clamp(1.05rem, 2vw, 1.24rem); margin-bottom: 1.6rem; }
.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-bottom: 1.75rem; }
.tool-stack { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; width: 100%; }
.tool-card { display: flex; align-items: center; gap: 0.85rem; padding: 0.9rem 1rem; border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,0.04); backdrop-filter: blur(14px); }
.tool-card span { font-weight: 600; font-size: 0.95rem; }
.tool-icon { width: 52px; height: 52px; flex-shrink: 0; }
.tool-icon img { width: 52px; height: 52px; object-fit: contain; }
/* hero-media now holds the tool stack instead of a media frame */
.hero-media { position: relative; display: flex; flex-direction: column; justify-content: center; gap: 1.5rem; }
.hero-metric-card { align-self: flex-start; background: rgba(15,18,26,0.9); border: 1px solid var(--border); border-radius: 18px; padding: 1rem 1.2rem; box-shadow: 0 24px 60px rgba(0,0,0,0.35); }
.hero-metric-card span { display: block; color: var(--text-muted); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; }
.hero-metric-card strong { font-size: 1.35rem; }

.about, .services, .portfolio, .pricing, .testimonials, .contact { padding: 5.5rem 0; }
.about-shell { background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent); border-radius: 28px; }
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 3rem; align-items: center; }
.about-image img, .about-placeholder { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 26px; border: 1px solid var(--border); background: var(--card-bg); }
.about-desc { color: var(--text-muted); font-size: 1.08rem; margin: 1.4rem 0 1.6rem; }

.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.service-card { padding: 1.5rem; border-radius: 22px; background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02)); border: 1px solid var(--border); box-shadow: var(--shadow); }
.service-icon { width: 52px; height: 52px; display: inline-flex; align-items: center; justify-content: center; border-radius: 16px; background: rgba(82,209,255,0.12); color: var(--accent-cyan); font-size: 1.4rem; margin-bottom: 1rem; }
.service-card h3 { font-size: 1.2rem; margin-bottom: 0.8rem; }
.service-card p { color: var(--text-muted); margin-bottom: 1rem; }
.service-price { color: var(--accent); font-weight: 700; }

.filter-tabs { display: flex; gap: 0.8rem; margin-bottom: 2rem; flex-wrap: wrap; }
.filter-tab { padding: 0.8rem 1.2rem; background: transparent; border: 1px solid var(--border); color: var(--text-muted); border-radius: 999px; font-family: var(--font-heading); cursor: pointer; transition: all 0.3s; }
.filter-tab:hover, .filter-tab.active { background: var(--text); color: var(--bg); border-color: var(--text); }
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.2rem; }
.project-card { position: relative; border-radius: 22px; overflow: hidden; background: var(--card-bg); cursor: pointer; aspect-ratio: 16/10; border: 1px solid var(--border); }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.project-card:hover img { transform: scale(1.05); }
.project-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 25%, rgba(6,7,11,0.95) 100%); display: flex; flex-direction: column; justify-content: end; padding: 1.3rem; }
.project-cat { font-size: 0.78rem; color: var(--accent-cyan); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.4rem; }
.project-title { font-size: 1.3rem; margin-bottom: 0.8rem; }
.view-btn { display: inline-flex; width: fit-content; padding: 0.55rem 0.9rem; border-radius: 999px; border: 1px solid rgba(255,255,255,0.18); }
.portfolio-empty, .project-fallback { display: flex; align-items: center; justify-content: center; min-height: 180px; padding: 2rem; border: 1px solid var(--border); border-radius: 22px; color: var(--text-muted); text-align: center; background: var(--card-bg); }
.portfolio-empty { grid-column: 1 / -1; }

/* Portfolio pagination */
.portfolio-pagination { display: flex; flex-direction: column; align-items: center; gap: 1rem; margin-top: 2rem; }
.portfolio-count { font-size: 0.85rem; color: var(--text-muted); letter-spacing: 0.04em; min-height: 1.2rem; }
.load-more-btn { gap: 0.55rem; }
.load-more-btn i { transition: transform 0.3s; }
.load-more-btn:hover i { transform: translateY(3px); }

/* Portfolio skeleton loader */
@keyframes shimmer { 0% { background-position: -600px 0; } 100% { background-position: 600px 0; } }
.skeleton-card { border-radius: 22px; aspect-ratio: 16/10; background: linear-gradient(90deg, var(--card-bg) 25%, rgba(255,255,255,0.04) 50%, var(--card-bg) 75%); background-size: 600px; animation: shimmer 1.4s infinite linear; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.pricing-card { padding: 1.6rem; border-radius: 24px; border: 1px solid var(--border); background: rgba(255,255,255,0.03); display: flex; flex-direction: column; gap: 1rem; position: relative; }
.pricing-featured { background: linear-gradient(180deg, rgba(255,106,61,0.18), rgba(255,255,255,0.04)); border-color: rgba(255,106,61,0.35); }
/* H5: popular badge */
.popular-badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: 0.72rem; font-family: var(--font-heading); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; padding: 0.25rem 0.85rem; border-radius: 999px; white-space: nowrap; }
.pricing-top { display: flex; justify-content: space-between; gap: 1rem; align-items: start; }
.pricing-name { font-size: 1.2rem; font-family: var(--font-heading); }
.pricing-value { font-size: 2rem; font-family: var(--font-heading); }
.pricing-summary { color: var(--text-muted); }
.pricing-list { list-style: none; display: grid; gap: 0.65rem; margin-bottom: 0.8rem; }
.pricing-list li { padding-left: 1.4rem; position: relative; color: var(--text-muted); }
.pricing-list li::before { content: ''; position: absolute; top: 0.62rem; left: 0; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }

/* H11: testimonial slider with arrow controls */
.testimonial-wrapper { position: relative; max-width: 900px; margin: 0 auto; }
/* The slider container is relative; it grows with the active slide via a visibility:hidden copy trick */
.testimonial-slider {
    position: relative;
    overflow: hidden;
}
/* All slides overlay each other; inactive are invisible and removed from flow */
.testimonial-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    text-align: center;
    padding-bottom: 1.5rem;
}
/* Active slide is visible and defines the container height via flow */
.testimonial-slide.active {
    opacity: 1;
    visibility: visible;
    position: relative;
}
.test-content { font-size: clamp(1.25rem, 3vw, 1.9rem); font-family: var(--font-heading); margin-bottom: 1.25rem; }
.test-author { color: var(--accent-cyan); font-weight: 600; }
.slider-nav { display: flex; justify-content: center; align-items: center; gap: 1.25rem; margin-top: 2rem; }
.slider-arrow { background: rgba(255,255,255,0.07); border: 1px solid var(--border); color: var(--text-muted); width: 40px; height: 40px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; font-size: 1.1rem; transition: background 0.2s, color 0.2s; }
.slider-arrow:hover { background: rgba(255,255,255,0.14); color: var(--text); }
.slider-dots { display: flex; justify-content: center; gap: 0.5rem; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.18); cursor: pointer; border: none; padding: 0; }
.dot.active { background: var(--accent); transform: scale(1.15); }

.contact-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 1.5rem; }
.contact-form-wrapper, .contact-sidebar { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 24px; padding: 1.6rem; }

/* Two-column name+email row */
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Select element */
.form-group select {
    width: 100%; padding: 1rem;
    background: rgba(6,7,11,0.7);
    border: 1px solid var(--border);
    border-radius: 16px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23aeb7c9' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group select:focus { outline: none; border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(82,209,255,0.12); }
.form-group select option { background: #0e1118; color: var(--text); }

/* Package feature summary box */
.pkg-summary {
    display: none;
    background: rgba(82,209,255,0.05);
    border: 1px solid rgba(82,209,255,0.18);
    border-radius: 16px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    animation: fadeIn 0.25s ease;
}
.pkg-summary.visible { display: block; }
.pkg-summary-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.75rem; }
.pkg-summary-name { font-family: var(--font-heading); font-weight: 700; font-size: 1rem; color: var(--accent-cyan); }
.pkg-summary-price { font-family: var(--font-heading); font-weight: 700; font-size: 1.2rem; color: var(--accent); }
.pkg-summary ul { list-style: none; display: grid; gap: 0.4rem; }
.pkg-summary ul li { font-size: 0.9rem; color: var(--text-muted); padding-left: 1.25rem; position: relative; }
.pkg-summary ul li::before { content: '✓'; position: absolute; left: 0; color: var(--accent-cyan); font-weight: 700; }

/* Custom requirements field — hidden by default */
.custom-req-field { display: none; }
.custom-req-field.visible { display: block; }

/* Sidebar quick-pick package buttons */
.sidebar-packages { margin-top: 1.5rem; border-top: 1px solid var(--border); padding-top: 1.25rem; }
.sidebar-pkg-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); font-weight: 600; margin-bottom: 0.75rem; }
.pkg-quick-btn {
    width: 100%; display: flex; justify-content: space-between; align-items: center;
    padding: 0.65rem 1rem; border-radius: 12px;
    background: rgba(255,255,255,0.03); border: 1px solid var(--border);
    color: var(--text); font-family: var(--font-body); font-size: 0.88rem;
    cursor: pointer; text-align: left; margin-bottom: 0.5rem;
    transition: background 0.18s, border-color 0.18s, color 0.18s;
}
.pkg-quick-btn:hover, .pkg-quick-btn.selected {
    background: rgba(255,106,61,0.1); border-color: rgba(255,106,61,0.35); color: var(--text);
}
.pkg-quick-btn span { color: var(--accent); font-weight: 700; font-size: 0.82rem; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.45rem; color: var(--text-muted); font-family: var(--font-heading); }
.form-group input, .form-group textarea { width: 100%; padding: 1rem; background: rgba(6,7,11,0.7); border: 1px solid var(--border); border-radius: 16px; color: var(--text); font-family: var(--font-body); transition: border-color 0.2s, box-shadow 0.2s; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(82,209,255,0.12); }
.form-group.invalid input, .form-group.invalid textarea { border-color: #ff6b6b; }
.field-error { display: block; min-height: 1.1rem; color: #ff9b9b; font-size: 0.82rem; margin-top: 0.3rem; }
.honeypot { display: none; }
.social-panel { margin-top: 1.3rem; display: flex; flex-direction: column; gap: 0.85rem; }
.social-link { display: inline-flex; align-items: center; gap: 0.65rem; text-decoration: none; }
.social-link:hover { color: var(--accent); }
.form-msg { margin-top: 1rem; padding: 1rem 1.1rem; border-radius: 16px; display: none; font-weight: 600; }
.form-msg.success { display: block; background: rgba(16,185,129,0.12); color: #78efc0; border: 1px solid rgba(16,185,129,0.35); }
.form-msg.error { display: block; background: rgba(239,68,68,0.12); color: #ffadad; border: 1px solid rgba(239,68,68,0.35); }

.footer { border-top: 1px solid var(--border); padding: 3rem 0; text-align: center; }
.footer-logo { font-family: var(--font-heading); font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; }
.footer-logo span { color: var(--accent); }
.footer-tagline { color: var(--text-muted); margin-bottom: 1.4rem; }
.footer-socials { display: flex; justify-content: center; gap: 0.8rem; margin-bottom: 1rem; }
.footer-socials a { width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: rgba(255,255,255,0.05); text-decoration: none; }
.footer-socials a:hover { background: var(--accent); }

.modal { position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center; pointer-events: none; opacity: 0; transition: opacity 0.3s; }
.modal.open { pointer-events: auto; opacity: 1; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.88); backdrop-filter: blur(6px); }
.modal-content { position: relative; width: min(920px, 92vw); background: #0d1018; border: 1px solid var(--border); border-radius: 24px; overflow: hidden; max-height: 92vh; display: flex; flex-direction: column; }
.modal-close { position: absolute; top: 1rem; right: 1rem; width: 42px; height: 42px; border-radius: 50%; border: 0; background: rgba(0,0,0,0.45); color: #fff; font-size: 1.5rem; cursor: pointer; z-index: 2; }
.modal-header { padding: 1.4rem; border-bottom: 1px solid var(--border); }
.modal-media { width: 100%; aspect-ratio: 16 / 9; background: #000; }
.modal-media iframe, .modal-media img { width: 100%; height: 100%; object-fit: cover; border: 0; }
.modal-details { padding: 1.4rem; overflow-y: auto; }
.cat-badge { display: inline-block; padding: 0.35rem 0.75rem; border-radius: 999px; background: rgba(82,209,255,0.12); color: var(--accent-cyan); font-size: 0.78rem; text-transform: uppercase; font-family: var(--font-heading); }
.meta { color: var(--text-muted); margin-bottom: 1rem; }
.desc-text { white-space: pre-line; }

.reveal { opacity: 0; transform: translateY(26px); transition: all 0.8s cubic-bezier(0.5, 0, 0, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-delay { opacity: 0; transform: translateY(26px); transition: all 0.8s cubic-bezier(0.5, 0, 0, 1) 0.22s; }
.reveal-delay.active { opacity: 1; transform: translateY(0); }

/* ── Responsive: Tablet (≤ 1080px) ──────────────── */
@media (max-width: 1080px) {
    .hero-container  { grid-template-columns: 1fr; }
    .about-grid      { grid-template-columns: 1fr; }
    .contact-grid    { grid-template-columns: 1fr; }
    .section-heading { text-align: center; justify-items: center; display: grid; grid-template-columns: 1fr; }
    .section-eyebrow { margin-left: auto; margin-right: auto; }
    .services-grid   { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid    { grid-template-columns: repeat(2, 1fr); }
    .hero-heading    { max-width: none; }
    .hero-media { width: 100%; }
    .tool-stack { grid-template-columns: repeat(2, 1fr); max-width: 100%; }
}

/* ── Responsive: Large Phone (≤ 768px) ─────────── */
@media (max-width: 768px) {
    .navbar { padding: 1rem 0; }
    .nav-links {
        position: fixed; top: 70px; left: 0; width: 100%;
        background: rgba(6,7,11,0.97); backdrop-filter: blur(16px);
        flex-direction: column; padding: 1.75rem 1.5rem;
        border-bottom: 1px solid var(--border);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.35s ease;
        gap: 0.25rem;
    }
    .nav-links.active { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
    .nav-links a { font-size: 1rem; padding: 0.65rem 0; }
    .hamburger { display: flex; }

    .hero { padding-top: 7.5rem; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .services-grid { grid-template-columns: 1fr; }
    .pricing-grid  { grid-template-columns: 1fr; }
    .tool-stack    { grid-template-columns: repeat(2, 1fr); }
    .hero-metric-card { align-self: stretch; }

    .about-grid    { gap: 2rem; }
    .about-image img { max-height: 360px; object-fit: cover; }
    .contact-grid  { gap: 2rem; }
    .form-row-2    { grid-template-columns: 1fr; }

    .testimonial-wrapper { padding: 0; }
    .modal-content { width: 96vw; }

    .footer-socials { justify-content: center; }

    .slider-arrow  { width: 34px; height: 34px; font-size: 0.95rem; }

    .about, .services, .portfolio, .pricing, .testimonials, .contact { padding: 4rem 0; }
}

/* ── Responsive: Small Phone (≤ 480px) ─────────── */
@media (max-width: 480px) {
    .hero { padding-top: 6.5rem; }
    .hero-heading  { font-size: clamp(2.4rem, 10vw, 3.5rem); }
    .tool-stack    { grid-template-columns: 1fr; }
    .tool-card     { padding: 0.75rem; }
    .pricing-card  { padding: 1.25rem; }
    .popular-badge { font-size: 0.65rem; }
    .section-title { font-size: clamp(1.6rem, 6vw, 2rem); }
    .hero-metric-card { padding: 0.75rem 1rem; }
    .hero-metric-card strong { font-size: 1.15rem; }
    .modal-content { border-radius: 16px; }
    .slider-nav    { gap: 0.75rem; }
    .about, .services, .portfolio, .pricing, .testimonials, .contact { padding: 3rem 0; }
}

/* ── Back to Top ─────────────────────────────────── */
#back-to-top {
    position: fixed; right: 1.5rem; bottom: 1.75rem; z-index: 999;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--accent); color: #fff; border: none;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem; cursor: pointer;
    box-shadow: 0 4px 20px rgba(255,106,61,0.45);
    opacity: 0; visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
}
#back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#back-to-top:hover { background: var(--accent-hover); transform: translateY(-2px); }