/* ============================================================
   Vortexedge Technology — DataBulge-inspired design system
   Palette: deep emerald green (trust, money, growth) + naira-gold accent
   Type: Sora (display) / Inter (body)
   ============================================================ */
:root {
    --primary: #0B6B3A;
    --primary-dark: #063D22;
    --primary-light: #22C55E;
    --mint: #16A34A;
    --gold: #F5A623;
    --secondary: #F5A623;
    --gold-dark: #C97F0A;
    --dark: #071812;
    --dark-2: #0F2A1D;
    --light: #F5FBF7;
    --gray: #5C6E67;
    --gray-light: #8FA69C;
    --success: #22C55E;
    --danger: #EF4444;
    --white: #ffffff;

    --gradient: linear-gradient(135deg, #0B6B3A 0%, #16A34A 55%, #22C55E 100%);
    --gradient-gold: linear-gradient(135deg, #F5A623 0%, #FBBF24 100%);
    --gradient-dark: linear-gradient(160deg, #071812 0%, #0B2818 60%, #0B6B3A 140%);
    --shadow: 0 10px 40px rgba(6, 61, 34, 0.10);
    --shadow-hover: 0 24px 60px rgba(6, 61, 34, 0.18);
    --shadow-gold: 0 10px 30px rgba(245, 166, 35, 0.35);
    --glass: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.16);
    --border-soft: rgba(11, 107, 58, 0.14);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Sora', 'Inter', sans-serif;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.6rem); font-weight: 800; }
h3 { font-size: clamp(1.15rem, 2.4vw, 1.4rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; color: var(--gray); }
a { text-decoration: none; color: var(--primary); transition: all 0.3s ease; }

/* ---------- Navigation ---------- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 1rem 2rem; background: #ffffff;
    box-shadow: 0 2px 20px rgba(6, 61, 34, 0.06);
    transition: padding 0.3s ease, box-shadow 0.3s ease; border-bottom: 1px solid var(--border-soft);
}
.navbar.scrolled { padding: 0.6rem 2rem; background: #ffffff; box-shadow: 0 4px 24px rgba(6, 61, 34, 0.10); }
.nav-container { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }

.nav-logo {
    display: flex; align-items: center; gap: 0.6rem;
    font-family: 'Sora', sans-serif; font-size: 1.35rem; font-weight: 800;
    color: var(--dark);
}
.nav-logo img { height: 38px; width: auto; transition: height 0.3s ease; }
.navbar.scrolled .nav-logo img { height: 32px; }

.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a { color: var(--dark); font-weight: 600; font-size: 0.95rem; position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -6px; left: 0; width: 0; height: 2px; background: var(--gradient); border-radius: 2px; transition: width 0.3s ease; }
.nav-links a:hover::after { width: 100%; }
.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--dark); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.9rem 1.9rem; border-radius: 50px; font-weight: 700;
    cursor: pointer; transition: all 0.25s ease; border: none;
    font-size: 0.98rem; text-align: center; justify-content: center;
    font-family: 'Sora', sans-serif;
}
.btn-primary { background: var(--gradient); color: white; box-shadow: 0 4px 20px rgba(11, 107, 58, 0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(11, 107, 58, 0.45); }
.btn-secondary { background: white; color: var(--primary); border: 2px solid var(--primary); }
.btn-secondary:hover { background: var(--primary); color: white; }
.btn-white { background: white; color: var(--primary-dark); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); }
.btn-outline-white { background: transparent; color: white; border: 2px solid rgba(255,255,255,0.7); }
.btn-outline-white:hover { background: white; color: var(--primary-dark); border-color: white; }
.btn-gold { background: var(--gradient-gold); color: var(--dark); box-shadow: var(--shadow-gold); }
.btn-gold:hover { transform: translateY(-2px); }

/* ---------- Eyebrow / pill badge (signature element) ---------- */
.eyebrow {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.5rem 1.1rem; border-radius: 50px;
    background: rgba(34, 197, 94, 0.12); color: var(--primary-dark);
    border: 1px solid rgba(34, 197, 94, 0.3);
    font-size: 0.82rem; font-weight: 700; margin-bottom: 1.25rem;
    text-transform: none; letter-spacing: 0.01em;
}
.eyebrow.on-dark { background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.25); }

.section-tag {
    display: inline-block; padding: 0.5rem 1.4rem; background: var(--gradient);
    color: white; border-radius: 50px; font-size: 0.8rem; font-weight: 700;
    margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 1px;
}

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    padding: 7rem 2rem 4rem; background: var(--gradient-dark);
    color: white; position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(circle at 85% 20%, rgba(34, 197, 94, 0.35), transparent 45%),
        radial-gradient(circle at 10% 90%, rgba(245, 166, 35, 0.18), transparent 40%);
    pointer-events: none;
}
.hero-content { max-width: 1400px; margin: 0 auto; position: relative; z-index: 2; text-align: center; }
.hero h1 { margin-bottom: 1.5rem; animation: fadeInUp 0.8s ease; }
.hero h1 .accent-word { background: var(--gradient-gold); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 1.2rem; color: rgba(255, 255, 255, 0.82); margin-bottom: 2rem; max-width: 780px; margin-left: auto; margin-right: auto; animation: fadeInUp 0.8s ease 0.2s both; }
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; animation: fadeInUp 0.8s ease 0.4s both; }

/* Split hero (home page) */
.hero-split {
    display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3rem;
    align-items: center; text-align: left; max-width: 1300px; margin: 0 auto;
}
.hero-split .hero-buttons { justify-content: flex-start; }
.hero-split p { margin-left: 0; }
.hero-stats-inline { display: flex; gap: 2rem; flex-wrap: wrap; margin-top: 2.25rem; animation: fadeInUp 0.8s ease 0.55s both; }
.hero-stats-inline div { display: flex; flex-direction: column; }
.hero-stats-inline .num { font-family: 'Sora', sans-serif; font-size: 1.6rem; font-weight: 800; color: var(--primary-light); }
.hero-stats-inline .lbl { font-size: 0.82rem; color: rgba(255,255,255,0.65); }

.hero-visual { position: relative; display: flex; justify-content: center; animation: fadeInUp 0.9s ease 0.3s both; }
.hero-visual-frame {
    position: relative; max-width: 420px; width: 100%;
    border-radius: 28px; overflow: hidden;
    box-shadow: 0 30px 80px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.08);
}
.hero-visual-frame img { display: block; width: 100%; height: auto; }
.hero-visual-glow {
    position: absolute; width: 340px; height: 340px; border-radius: 50%;
    background: radial-gradient(circle, rgba(34,197,94,0.45), transparent 70%);
    filter: blur(20px); z-index: 0; top: 10%; right: 5%;
}
.floating-chip {
    position: absolute; background: white; color: var(--dark);
    padding: 0.7rem 1.1rem; border-radius: 14px; box-shadow: var(--shadow-hover);
    font-family: 'Sora', sans-serif; font-weight: 700; font-size: 0.85rem;
    display: flex; align-items: center; gap: 0.5rem; z-index: 3;
    animation: floatChip 4s ease-in-out infinite;
}
.floating-chip.chip-1 { top: 8%; left: -6%; animation-delay: 0s; }
.floating-chip.chip-2 { bottom: 6%; right: -4%; animation-delay: 1.2s; }
.floating-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary-light); }
@keyframes floatChip { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ---------- Image hero (photo behind, text overlaid — databulge.com/landing.html treatment) ---------- */
.hero-photo {
    min-height: 78vh; display: flex; align-items: center;
    padding: 7rem 2rem 4rem; position: relative; overflow: hidden;
    color: white; background-size: cover; background-position: center;
}
.hero-photo::before {
    content: ''; position: absolute; inset: 0;
    background:
        linear-gradient(100deg, rgba(7,24,18,0.94) 0%, rgba(7,24,18,0.82) 32%, rgba(7,24,18,0.45) 60%, rgba(7,24,18,0.15) 100%),
        linear-gradient(0deg, rgba(7,24,18,0.55) 0%, transparent 40%);
    z-index: 1;
}
.hero-photo .hero-content { text-align: left; position: relative; z-index: 2; max-width: 720px; margin: 0; }
.hero-photo .hero-buttons { justify-content: flex-start; }
.hero-photo p { margin-left: 0; color: rgba(255, 255, 255, 0.88); font-size: 1.15rem; }

.container { max-width: 1400px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 2rem; }
.section-light { background: var(--light); }
.section-white { background: white; }
.section-dark { background: var(--dark); color: white; }
.section-dark p { color: rgba(255, 255, 255, 0.65); }
.section-gradient { background: var(--gradient); color: white; }
.section-gradient p { color: rgba(255, 255, 255, 0.92); }
.section-header { text-align: center; max-width: 800px; margin: 0 auto 4rem; }
.section-header h2 { margin-bottom: 1rem; }
.section-header.left-align { text-align: left; margin: 0 0 3rem; }

/* ---------- Grid ---------- */
.grid { display: grid; gap: 2rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ---------- Cards ---------- */
.card {
    background: white; border-radius: 18px; padding: 2rem;
    box-shadow: var(--shadow); transition: all 0.35s ease;
    position: relative; overflow: hidden; border: 1px solid var(--border-soft);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: rgba(34,197,94,0.35); }
.card-glass { background: var(--glass); backdrop-filter: blur(10px); border: 1px solid var(--glass-border); color: white; }
.card-glass p { color: rgba(255, 255, 255, 0.75); }
.card-icon {
    width: 56px; height: 56px; background: var(--gradient);
    border-radius: 14px; display: flex; align-items: center; justify-content: center;
    color: white; font-size: 1.4rem; margin-bottom: 1.5rem;
}
.card h3 { margin-bottom: 0.5rem; }

/* ---------- Step flow (signature: DataBulge-style numbered process) ---------- */
.step-flow {
    max-width: 1100px; margin: 0 auto; position: relative;
    display: flex; flex-direction: column; gap: 0;
}
.step-flow-row {
    display: grid; grid-template-columns: 64px 1fr; gap: 1.5rem;
    position: relative; padding-bottom: 2.75rem;
}
.step-flow-row:last-child { padding-bottom: 0; }
.step-node {
    width: 56px; height: 56px; border-radius: 50%;
    background: var(--gradient); color: white;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Sora', sans-serif; font-weight: 800; font-size: 1.15rem;
    position: relative; z-index: 2; box-shadow: 0 6px 20px rgba(11,107,58,0.35);
}
.step-flow-row:not(:last-child) .step-node::after {
    content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
    width: 2px; height: calc(100% + 1.75rem);
    background: repeating-linear-gradient(to bottom, rgba(11,107,58,0.35) 0 6px, transparent 6px 12px);
}
.step-body h4 { margin-bottom: 0.35rem; font-family: 'Sora', sans-serif; }
.step-body p { margin-bottom: 0; }

/* ---------- Stat strip (inline, not boxed — DataBulge footer-stat style) ---------- */
.stat-strip {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 0;
    max-width: 1000px; margin: 0 auto; border-radius: 20px; overflow: hidden;
}
.stat-strip .stat {
    flex: 1 1 160px; text-align: center; padding: 2rem 1.5rem;
    border-right: 1px solid rgba(255,255,255,0.12);
}
.stat-strip .stat:last-child { border-right: none; }
.stat-strip .stat .num { font-family: 'Sora', sans-serif; font-weight: 800; font-size: 2.1rem; color: var(--primary-light); display: block; margin-bottom: 0.35rem; }
.stat-strip .stat .lbl { font-size: 0.9rem; color: rgba(255,255,255,0.7); }

/* ---------- Counters (kept for compatibility, restyled) ---------- */
.counter-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; max-width: 1200px; margin: 0 auto; }
.counter-item { text-align: center; padding: 2rem; }
.counter-number {
    font-family: 'Sora', sans-serif; font-size: 3.4rem; font-weight: 800; background: var(--gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; line-height: 1; margin-bottom: 0.5rem;
}
.section-dark .counter-number { background: linear-gradient(135deg, #22C55E 0%, #F5A623 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.counter-label { font-size: 1.05rem; color: var(--gray); font-weight: 600; }
.section-dark .counter-label { color: rgba(255, 255, 255, 0.75); }

/* ---------- Challenge Cards ---------- */
.challenge-card {
    background: white; border-radius: 15px; padding: 1.5rem;
    display: flex; align-items: center; gap: 1rem;
    box-shadow: var(--shadow); transition: all 0.3s ease;
    border-left: 4px solid var(--danger);
}
.challenge-card:hover { transform: translateX(5px); }
.challenge-icon { width: 50px; height: 50px; background: #fee2e2; color: var(--danger); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.challenge-card h4 { margin: 0; }

/* ---------- Solution Cards ---------- */
.solution-card {
    background: white; border-radius: 20px; padding: 2rem;
    box-shadow: var(--shadow); transition: all 0.4s ease;
    position: relative; overflow: hidden; border: 1px solid var(--border-soft);
}
.solution-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--gradient); }
.solution-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-hover); }
.solution-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.solution-icon { font-size: 2.5rem; }
.solution-price { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 2px dashed rgba(11,107,58,0.2); text-align: center; }
.solution-price .amount { font-family: 'Sora', sans-serif; font-size: 2rem; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.solution-price .label { color: var(--gray); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 1px; }
.solution-features { list-style: none; padding: 0; }
.solution-features li { padding: 0.5rem 0; display: flex; align-items: center; gap: 0.5rem; color: var(--gray); }
.solution-features li::before { content: '✓'; color: var(--success); font-weight: bold; }
.solution-lists { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 1rem; }
.solution-lists h5 { font-family: 'Sora', sans-serif; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--primary); margin-bottom: 0.5rem; }
@media (max-width: 640px) { .solution-lists { grid-template-columns: 1fr; } }

/* ---------- Ecosystem ---------- */
.ecosystem { background: white; border-radius: 20px; padding: 3rem; box-shadow: var(--shadow); max-width: 1000px; margin: 0 auto; }
.eco-node { background: var(--gradient); color: white; padding: 1rem 1.5rem; border-radius: 10px; text-align: center; font-weight: 700; margin: 1rem auto; width: fit-content; box-shadow: var(--shadow); font-family: 'Sora', sans-serif; }
.eco-node.main { font-size: 1.25rem; padding: 1.5rem 2rem; }
.eco-connector { text-align: center; color: var(--primary); font-size: 1.5rem; margin: 0.5rem 0; }
.eco-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 1rem; }
.eco-portal { background: var(--light); border: 2px solid var(--primary); border-radius: 10px; padding: 1rem; text-align: center; }
.eco-portal h4 { margin-bottom: 0.5rem; color: var(--primary); }
.eco-portal ul { list-style: none; padding: 0; }
.eco-portal li { font-size: 0.875rem; color: var(--gray); padding: 0.25rem 0; }

/* ---------- FAQ ---------- */
.faq-item { background: white; border-radius: 15px; margin-bottom: 1rem; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border-soft); }
.faq-question { padding: 1.5rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 700; font-family: 'Sora', sans-serif; font-size: 1rem; transition: all 0.3s ease; }
.faq-question:hover { background: var(--light); }
.faq-toggle { font-size: 1.5rem; color: var(--primary); transition: transform 0.3s ease; }
.faq-item.active .faq-toggle { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; padding: 0 1.5rem; }
.faq-item.active .faq-answer { max-height: 500px; padding: 0 1.5rem 1.5rem; }

/* ---------- Testimonials ---------- */
.testimonial-card { background: white; border-radius: 20px; padding: 2rem; box-shadow: var(--shadow); position: relative; border: 1px solid var(--border-soft); }
.testimonial-card::before { content: '"'; position: absolute; top: 1rem; right: 1.5rem; font-size: 4rem; color: var(--light); font-family: Georgia, serif; }
.testimonial-text { font-style: italic; margin-bottom: 1.5rem; color: var(--gray); }
.testimonial-author { display: flex; align-items: center; gap: 1rem; }
.author-avatar { width: 50px; height: 50px; background: var(--gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-weight: bold; }
.author-name { font-weight: 600; }
.author-title { font-size: 0.875rem; color: var(--gray); }

/* ---------- Floating Elements ---------- */
.whatsapp-float {
    position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px;
    background: #25d366; color: white; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999; transition: all 0.3s ease;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6); }

.back-to-top {
    position: fixed; bottom: 30px; left: 30px; width: 50px; height: 50px;
    background: var(--gradient); color: white; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; opacity: 0; visibility: hidden;
    transition: all 0.3s ease; z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-5px); }

/* ---------- Footer ---------- */
.footer { background: var(--dark); color: white; padding: 4rem 2rem 2rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 3rem; max-width: 1400px; margin: 0 auto 3rem; }
.footer h3 { margin-bottom: 1.5rem; font-size: 1.2rem; display: flex; align-items: center; gap: 0.5rem; font-family: 'Sora', sans-serif; }
.footer h3 img { height: 34px; width: auto; }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 0.75rem; }
.footer-links a { color: rgba(255, 255, 255, 0.65); transition: color 0.3s ease; }
.footer-links a:hover { color: var(--primary-light); }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255, 255, 255, 0.1); color: rgba(255, 255, 255, 0.45); font-size: 0.9rem; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 1.5rem; }
.form-control {
    width: 100%; padding: 1rem 1.5rem; border: 2px solid #e5efe9;
    border-radius: 10px; font-size: 1rem; font-family: inherit;
    transition: all 0.3s ease; background: white;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(11, 107, 58, 0.12); }
textarea.form-control { min-height: 150px; resize: vertical; }

.contact-card { background: white; border-radius: 20px; padding: 2.5rem; text-align: center; box-shadow: var(--shadow); transition: all 0.3s ease; }
.contact-card p { color: var(--gray); }
.contact-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.contact-icon { width: 70px; height: 70px; background: var(--gradient); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.75rem; margin: 0 auto 1.5rem; }
.contact-card h3 { margin-bottom: 0.5rem; }

.badge-popular {
    position: absolute; top: 1rem; right: 1rem;
    background: var(--primary); color: white; padding: 0.25rem 1rem;
    border-radius: 50px; font-size: 0.75rem; font-weight: 700;
    text-transform: uppercase; font-family: 'Sora', sans-serif;
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: all 0.8s ease; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .hero-split { grid-template-columns: 1fr; text-align: center; }
    .hero-split .hero-buttons { justify-content: center; }
    .hero-split p { margin: 0 auto 2rem; }
    .hero-stats-inline { justify-content: center; }
    .hero-visual { margin-top: 2rem; }
    .floating-chip.chip-1 { left: 0; }
    .floating-chip.chip-2 { right: 0; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        background: white; flex-direction: column; padding: 2rem;
        gap: 1rem; box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    .nav-links.active { display: flex; }
    .mobile-menu-btn { display: block; }
    .eco-grid { grid-template-columns: 1fr 1fr; }
    .counter-number { font-size: 2.6rem; }
    .hero { padding-top: 5rem; }
    .nav-logo img { height: 34px; }
    .navbar.scrolled .nav-logo img { height: 28px; }
    .step-flow-row { grid-template-columns: 48px 1fr; }
    .step-node { width: 48px; height: 48px; font-size: 1rem; }
    .stat-strip .stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.12); flex: 1 1 45%; }
}

@media (max-width: 480px) {
    .eco-grid { grid-template-columns: 1fr; }
    .section { padding: 4rem 1rem; }
    .nav-logo img { height: 30px; }
    .footer h3 img { height: 28px; }
    .stat-strip .stat { flex: 1 1 100%; }
}