/* =========================================================
   Dotline Technologies — Theme Stylesheet
   Brand: #1A6FBA (primary blue) / #808285 (secondary gray)
   ========================================================= */

:root {
    --color-primary: #1A6FBA;
    --color-primary-dark: #14568f;
    --color-primary-light: #e8f1fa;
    --color-secondary: #808285;
    --color-dark: #1f2937;
    --color-text: #374151;
    --color-muted: #6b7280;
    --color-bg: #ffffff;
    --color-bg-alt: #f5f7fa;
    --color-border: #e5e7eb;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 24px rgba(26,111,186,0.10);
    --shadow-lg: 0 20px 50px rgba(26,111,186,0.18);
    --radius: 10px;
    --radius-lg: 16px;
    --transition: all .25s ease;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-head: 'Poppins', 'Inter', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5,h6 {
    font-family: var(--font-head);
    color: var(--color-dark);
    line-height: 1.25;
    margin: 0 0 .6em;
    font-weight: 700;
}
h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.4rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }

p { margin: 0 0 1em; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-dark); }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 26px; border-radius: var(--radius);
    font-weight: 600; font-family: var(--font-head);
    border: 2px solid transparent; cursor: pointer;
    transition: var(--transition); text-decoration: none;
    font-size: .95rem; letter-spacing: .2px;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-white { background: #fff; color: var(--color-primary); }
.btn-white:hover { background: var(--color-bg-alt); }

.topbar { background: var(--color-dark); color: #cbd5e1; font-size: .85rem; padding: 8px 0; }
.topbar-inner { display: flex; justify-content: flex-end; align-items: center; }
.topbar-contact { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar-item { color: #cbd5e1; display: inline-flex; align-items: center; gap: 6px; }
.topbar-item:hover { color: #fff; }
.topbar-whatsapp { color: #25D366; }
.topbar-whatsapp:hover { color: #25D366; }

.site-header { background: #fff; box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 12px 24px; max-width: 1280px; margin: 0 auto; }
.site-branding { flex-shrink: 0; }
.site-branding img, .custom-logo { max-height: 54px; width: auto; }
.site-logo-text { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px;
    background: var(--color-primary); color: #fff;
    font-family: var(--font-head); font-weight: 800; font-size: 1.25rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(26,111,186,.3);
}
.logo-word { font-family: var(--font-head); font-weight: 800; color: var(--color-primary); font-size: 1.05rem; letter-spacing: .5px; line-height: 1; }
.logo-word em { display: block; font-style: normal; color: var(--color-secondary); font-size: .62rem; letter-spacing: 2.5px; font-weight: 600; margin-top: 3px; }

.site-nav { display: flex; align-items: center; gap: 20px; }
.primary-menu { list-style: none; display: flex; gap: 22px; margin: 0; padding: 0; flex-wrap: nowrap; }
.primary-menu a { color: var(--color-dark); font-weight: 500; font-size: .94rem; position: relative; padding: 6px 0; white-space: nowrap; }
.primary-menu a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--color-primary); transition: width .25s ease; }
.primary-menu a:hover, .primary-menu .current-menu-item a, .primary-menu .current_page_item a { color: var(--color-primary); }
.primary-menu a:hover::after, .primary-menu .current-menu-item a::after, .primary-menu .current_page_item a::after { width: 100%; }
.nav-cta { padding: 9px 18px; font-size: .88rem; white-space: nowrap; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: transparent; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 26px; height: 3px; background: var(--color-dark); border-radius: 2px; transition: var(--transition); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.hero {
    position: relative;
    background: linear-gradient(135deg, #0f3d6b 0%, var(--color-primary) 60%, #2a8be0 100%);
    color: #fff; padding: 110px 0 130px; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background-image:
        radial-gradient(circle at 80% 20%, rgba(255,255,255,.12) 0, transparent 40%),
        radial-gradient(circle at 10% 90%, rgba(255,255,255,.08) 0, transparent 35%);
    pointer-events: none;
}
.hero::after {
    content: ''; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 60px 60px; pointer-events: none;
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content h1 { color: #fff; margin-bottom: .4em; }
.hero-content .eyebrow {
    display: inline-block; padding: 6px 14px; background: rgba(255,255,255,.15);
    border-radius: 50px; font-size: .8rem; font-weight: 600; letter-spacing: 2px;
    text-transform: uppercase; margin-bottom: 18px; backdrop-filter: blur(8px);
}
.hero-content p { font-size: 1.15rem; color: rgba(255,255,255,.92); max-width: 540px; margin-bottom: 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 42px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.18); }
.hero-stat .num { font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: #fff; }
.hero-stat .lbl { font-size: .82rem; color: rgba(255,255,255,.8); text-transform: uppercase; letter-spacing: 1px; }

.hero-visual { position: relative; }
.hero-card { background: rgba(255,255,255,.08); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius-lg); padding: 28px; color: #fff; }
.hero-card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.hero-card-item { background: rgba(255,255,255,.08); padding: 16px; border-radius: 10px; border: 1px solid rgba(255,255,255,.12); }
.hero-card-item svg { color: #7cc6ff; margin-bottom: 8px; }
.hero-card-item h4 { color: #fff; margin: 0 0 4px; font-size: .95rem; }
.hero-card-item p { font-size: .8rem; color: rgba(255,255,255,.75); margin: 0; }

.section { padding: 90px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-dark); color: #cbd5e1; }
.section-dark h1,.section-dark h2,.section-dark h3,.section-dark h4 { color: #fff; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-header .eyebrow { display: inline-block; color: var(--color-primary); font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: 3px; margin-bottom: 14px; }
.section-header p { color: var(--color-muted); font-size: 1.05rem; }

.page-banner {
    background: linear-gradient(135deg, #0f3d6b 0%, var(--color-primary) 100%);
    color: #fff; padding: 80px 0 70px; text-align: center;
    position: relative; overflow: hidden;
}
.page-banner::before {
    content: ''; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 50px 50px;
}
.page-banner > .container { position: relative; z-index: 2; }
.page-banner h1 { color: #fff; margin-bottom: 10px; }
.page-banner .crumbs { color: rgba(255,255,255,.85); font-size: .92rem; }
.page-banner .crumbs a { color: rgba(255,255,255,.95); }

.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
    background: #fff; border: 1px solid var(--color-border);
    border-radius: var(--radius-lg); padding: 32px 28px;
    transition: var(--transition); position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--color-primary-light); }
.card-icon {
    width: 60px; height: 60px;
    background: var(--color-primary-light); color: var(--color-primary);
    border-radius: 12px;
    display: inline-flex; align-items: center; justify-content: center;
    margin-bottom: 20px; transition: var(--transition);
}
.card:hover .card-icon { background: var(--color-primary); color: #fff; transform: rotate(-6deg) scale(1.08); }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--color-muted); font-size: .95rem; margin-bottom: 0; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-weight: 600; font-size: .9rem; }
.card-link::after { content: '→'; transition: transform .25s ease; }
.card:hover .card-link::after { transform: translateX(4px); }

.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 80px; }
.feature-row:nth-child(even) .feature-image { order: 2; }
.feature-row:last-child { margin-bottom: 0; }
.feature-image {
    background: linear-gradient(135deg, var(--color-primary-light), #fff);
    border-radius: var(--radius-lg); padding: 40px;
    border: 1px solid var(--color-border);
    display: flex; align-items: center; justify-content: center;
    min-height: 280px;
}
.feature-image svg { color: var(--color-primary); width: 140px; height: 140px; }
.feature-content h2 { margin-bottom: 16px; }
.feature-content .eyebrow { color: var(--color-primary); font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: 3px; margin-bottom: 10px; display: inline-block; }
.feature-list { list-style: none; padding: 0; margin: 20px 0 0; }
.feature-list li { padding: 10px 0 10px 32px; position: relative; color: var(--color-text); }
.feature-list li::before {
    content: ''; position: absolute; left: 0; top: 14px;
    width: 20px; height: 20px;
    background: var(--color-primary-light) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%231A6FBA' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'></polyline></svg>") center/12px no-repeat;
    border-radius: 50%;
}

.stats-strip { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); color: #fff; padding: 60px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat-num { font-family: var(--font-head); font-size: 3rem; font-weight: 800; color: #fff; line-height: 1; }
.stat-lbl { color: rgba(255,255,255,.9); text-transform: uppercase; letter-spacing: 1.5px; font-size: .85rem; margin-top: 6px; }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step { text-align: center; padding: 30px 20px; position: relative; }
.process-step .step-num {
    width: 64px; height: 64px; margin: 0 auto 18px;
    background: #fff; color: var(--color-primary);
    border: 2px solid var(--color-primary); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-head); font-size: 1.5rem; font-weight: 800;
}
.process-step h4 { margin-bottom: 8px; }
.process-step p { font-size: .9rem; color: var(--color-muted); }

.client-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
.client-logo {
    background: #fff; border: 1px solid var(--color-border);
    border-radius: var(--radius); aspect-ratio: 3/2;
    display: flex; align-items: center; justify-content: center;
    color: var(--color-secondary);
    font-family: var(--font-head); font-weight: 700; font-size: 1.05rem;
    transition: var(--transition); padding: 16px; text-align: center;
}
.client-logo:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-4px); box-shadow: var(--shadow-md); }

.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.testimonial { background: #fff; border-radius: var(--radius-lg); padding: 30px; border: 1px solid var(--color-border); position: relative; }
.testimonial::before { content: '"'; position: absolute; top: 8px; right: 24px; font-family: Georgia, serif; font-size: 6rem; color: var(--color-primary-light); line-height: 1; }
.testimonial p { font-style: italic; color: var(--color-text); position: relative; z-index: 2; }
.testimonial-author { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.testimonial-avatar { width: 48px; height: 48px; border-radius: 50%; background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.testimonial-name { font-weight: 700; color: var(--color-dark); }
.testimonial-role { font-size: .85rem; color: var(--color-muted); }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.product-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--color-primary-light); }
.product-card-head { height: 180px; background: linear-gradient(135deg, var(--color-primary-light), #fff); display: flex; align-items: center; justify-content: center; color: var(--color-primary); }
.product-card-body { padding: 26px; }
.product-card .badge { display: inline-block; padding: 4px 10px; background: var(--color-primary-light); color: var(--color-primary); font-size: .72rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; border-radius: 50px; margin-bottom: 12px; }
.product-feature-list { list-style: none; padding: 0; margin: 14px 0 0; }
.product-feature-list li { padding: 6px 0 6px 24px; position: relative; font-size: .9rem; color: var(--color-text); }
.product-feature-list li::before { content: '\2713'; position: absolute; left: 0; color: var(--color-primary); font-weight: 800; }

.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.about-image {
    background: linear-gradient(135deg, var(--color-primary), #0f3d6b);
    border-radius: var(--radius-lg); aspect-ratio: 4/3;
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.8); position: relative; overflow: hidden;
}
.about-image::before {
    content: ''; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 40px 40px;
}
.about-image svg { width: 140px; height: 140px; position: relative; z-index: 2; }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 40px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 50px; }
.contact-info-card { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #fff; border-radius: var(--radius-lg); padding: 40px 32px; }
.contact-info-card h3 { color: #fff; }
.contact-info-list { list-style: none; padding: 0; margin: 24px 0 0; }
.contact-info-list li { display: flex; gap: 14px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.contact-info-list li:last-child { border-bottom: 0; }
.contact-info-list .icon { width: 38px; height: 38px; background: rgba(255,255,255,.15); border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-list a, .contact-info-list span { color: #fff; }
.contact-info-list .label { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: 1.5px; opacity: .8; margin-bottom: 2px; }

.contact-form-card { background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--color-border); padding: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: .85rem; font-weight: 600; color: var(--color-dark); margin-bottom: 6px; }
.form-field input, .form-field textarea, .form-field select {
    width: 100%; padding: 12px 14px;
    border: 1px solid var(--color-border); border-radius: var(--radius);
    font-family: var(--font-body); font-size: .95rem;
    transition: var(--transition); background: var(--color-bg-alt);
}
.form-field input:focus, .form-field textarea:focus { outline: 0; border-color: var(--color-primary); background: #fff; box-shadow: 0 0 0 4px rgba(26,111,186,.12); }
.form-field textarea { min-height: 130px; resize: vertical; }
.form-msg { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 18px; font-size: .92rem; }
.form-msg.success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.form-msg.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

.map-wrap { margin-top: 60px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); }
.map-wrap iframe { display: block; width: 100%; height: 380px; border: 0; }

.cta-strip { background: linear-gradient(135deg, var(--color-dark) 0%, #0f3d6b 100%); color: #fff; padding: 80px 0; text-align: center; position: relative; overflow: hidden; }
.cta-strip::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle at 50% 50%, rgba(26,111,186,.4) 0, transparent 60%); }
.cta-strip .container { position: relative; z-index: 2; }
.cta-strip h2 { color: #fff; }
.cta-strip p { color: rgba(255,255,255,.9); max-width: 600px; margin: 0 auto 30px; }

.site-footer { background: #0d1b2a; color: #cbd5e1; padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 50px; }
.footer-col h4.widget-title { color: #fff; font-size: 1.05rem; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4.widget-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 36px; height: 3px; background: var(--color-primary); border-radius: 2px; }
.footer-logo .logo-mark { box-shadow: 0 4px 14px rgba(26,111,186,.5); }
.footer-logo .logo-word { color: #fff; }
.footer-logo .logo-word em { color: #94a3b8; }
.footer-tagline { color: #94a3b8; font-size: .92rem; margin-top: 16px; }

.footer-links, .footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #cbd5e1; font-size: .93rem; }
.footer-links a:hover { color: var(--color-primary); padding-left: 4px; }

.footer-contact li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 14px; font-size: .9rem; color: #cbd5e1; }
.footer-contact svg { color: var(--color-primary); flex-shrink: 0; margin-top: 3px; }
.footer-contact a { color: #cbd5e1; }
.footer-contact a:hover { color: var(--color-primary); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; font-size: .85rem; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { margin: 0; color: #94a3b8; }

.wa-float {
    position: fixed; bottom: 24px; right: 24px;
    width: 58px; height: 58px;
    background: #25D366; color: #fff; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 24px rgba(37,211,102,.4);
    z-index: 999; transition: var(--transition); animation: pulse 2s infinite;
}
.wa-float:hover { transform: scale(1.1); color: #fff; }
@keyframes pulse {
    0% { box-shadow: 0 8px 24px rgba(37,211,102,.4), 0 0 0 0 rgba(37,211,102,.5); }
    70% { box-shadow: 0 8px 24px rgba(37,211,102,.4), 0 0 0 20px rgba(37,211,102,0); }
    100% { box-shadow: 0 8px 24px rgba(37,211,102,.4), 0 0 0 0 rgba(37,211,102,0); }
}

.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 992px) {
    .hero { padding: 70px 0 90px; }
    .hero .container { grid-template-columns: 1fr; gap: 40px; }
    .grid-3, .grid-4, .product-grid, .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
    .client-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-row, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
    .feature-row:nth-child(even) .feature-image { order: 0; }
    .values-grid { grid-template-columns: 1fr; }
}
@media (max-width: 1100px) {
    .header-inner { padding: 12px 20px; }
    .primary-menu { gap: 18px; }
    .primary-menu a { font-size: .9rem; }
    .nav-cta { padding: 8px 14px; font-size: .82rem; }
    .site-nav { gap: 16px; }
}

@media (max-width: 960px) {
    .nav-toggle { display: inline-flex; }
    .site-nav {
        position: absolute; top: 100%; left: 0; right: 0;
        background: #fff; flex-direction: column; align-items: stretch;
        padding: 20px 24px 24px; gap: 14px; box-shadow: var(--shadow-md);
        max-height: 0; overflow: hidden; transition: max-height .3s ease;
    }
    .site-nav.open { max-height: 600px; }
    .primary-menu { flex-direction: column; gap: 4px; }
    .primary-menu a { padding: 12px 0; border-bottom: 1px solid var(--color-border); display: block; font-size: .98rem; }
    .nav-cta { width: 100%; padding: 12px 18px; font-size: .92rem; }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .topbar-contact { gap: 14px; font-size: .78rem; }
    .hero-stats { grid-template-columns: 1fr; gap: 16px; text-align: center; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .grid-3, .grid-4, .grid-2, .product-grid, .testimonial-grid, .client-grid, .form-row, .footer-grid { grid-template-columns: 1fr; }
    .process-grid, .values-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .contact-form-card { padding: 24px; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
}