@charset "utf-8";

/* ============================================================
   Main CSS — 逆风科技 Website (overhauled)
   Reference: bingbaitech.com design system
   ============================================================ */

/* ---------- Navigation ---------- */
.ys_header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 99;
    transition: all .36s;
}
.ys_hd_pc { width: 100%; transition: top .36s ease-out; }
.mod_nav {
    padding: 0 72px; display: flex; align-items: center; justify-content: space-between;
    height: 85px; transition: all .36s;
}

.mod_nav_logo { display: flex; align-items: center; }
.mod_nav_logo a { display: block; line-height: 85px; }
.mod_nav_logo_img {
    font-size: 28px; font-weight: 700; color: #fff; letter-spacing: 2px;
    transition: all .36s;
}
.mod_nav_logo_img span { color: var(--color-primary); }

.mod_nav_list { display: flex; align-items: center; }
.mnlu_ul { display: flex; align-items: center; margin: 0 -20px; }
.mnlu_ul_li { padding: 0 20px; }
.mnlu_ul_li_link {
    font-size: 16px; line-height: 85px; display: block;
    color: rgba(255,255,255,.85); position: relative; transition: all .36s;
}
.mnlu_ul_li_link::after {
    content: ""; width: 0; height: 2px; background: var(--color-primary);
    position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
    transition: all .36s;
}
.mnlu_ul_li:hover .mnlu_ul_li_link::after,
.mnlu_ul_li.active .mnlu_ul_li_link::after { width: 100%; }
.mnlu_ul_li:hover .mnlu_ul_li_link,
.mnlu_ul_li.active .mnlu_ul_li_link { color: #fff; }

/* Scrolled nav */
.ys_header.scrolled { background: #fff; box-shadow: 0px 8px 30px 0px rgba(0,61,150,0.10); }
.ys_header.scrolled .mod_nav_logo_img { color: var(--color-primary); }
.ys_header.scrolled .mnlu_ul_li_link { color: var(--color-text-dark); }
.ys_header.scrolled .mnlu_ul_li:hover .mnlu_ul_li_link,
.ys_header.scrolled .mnlu_ul_li.active .mnlu_ul_li_link { color: var(--color-primary); }
.ys_header.scrolled .nav-cta { background: var(--color-primary); }
.ys_header.scrolled .nav-cta p { color: #fff; }

/* Nav CTA */
.nav-cta {
    display: inline-block; border-radius: 56px; overflow: hidden;
    transition: all .36s; margin-left: 36px;
}
.nav-cta-box {
    display: block; padding: 0 36px; background: #fff;
    box-shadow: 0px 4px 16px 0px rgba(0,61,150,0.15);
    transition: all .36s;
}
.nav-cta-box p { font-size: 16px; line-height: 44px; color: var(--color-primary); }

/* Mobile */
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; z-index: 100; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: #fff; transition: all .36s; }
.ys_header.scrolled .nav-toggle span { background: var(--color-primary); }
.mobile-menu {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    background: #fff; z-index: 98; padding: 100px 40px 40px; flex-direction: column; gap: 20px;
}
.mobile-menu.active { display: flex; }
.mobile-menu a { font-size: 20px; color: var(--color-text-dark); padding: 12px 0; border-bottom: 1px solid var(--color-border); }

/* ---------- Hero Banner — fixed position ---------- */
.ys_banner {
    width: 100%; height: 100vh; position: fixed; top: 0; left: 0; z-index: 1;
    overflow: hidden;
}
.hero-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1;
}
.hero-bg-layer {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(160deg, #070e1a 0%, #0b1f3d 30%, #0d3a6e 60%, #0a2d5c 100%);
}
/* Tech pattern overlay */
.hero-grid {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 2;
    background-image:
        linear-gradient(rgba(22,100,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22,100,255,0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 80% at 50% 40%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 40%, black 30%, transparent 70%);
}
/* Glow orbs */
.hero-orb {
    position: absolute; border-radius: 50%; filter: blur(80px); z-index: 1;
}
.hero-orb-1 { width: 500px; height: 500px; background: rgba(22,100,255,0.13); top: -100px; right: 10%; }
.hero-orb-2 { width: 400px; height: 400px; background: rgba(0,228,158,0.08); bottom: -80px; left: 5%; }
.hero-orb-3 { width: 250px; height: 250px; background: rgba(22,100,255,0.1); top: 50%; left: 50%; transform: translate(-50%,-50%); }

/* Tech lines decoration */
.hero-tech-lines { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 3; opacity: 0.25; }

.ys_banner::after {
    content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.1) 40%, rgba(0,0,0,0.4) 100%);
    z-index: 4;
}
.ys_banner_txtbox {
    position: relative; z-index: 5; text-align: center;
    padding: 0 20px; top: 45%; transform: translateY(-50%);
}
.ys_ban_title {
    font-size: 64px; font-weight: 700; color: #fff; line-height: 1.15;
    margin-bottom: 24px; letter-spacing: 6px;
}
.ys_ban_title .tagline {
    font-size: 22px; font-weight: 300; display: block; margin-top: 18px;
    letter-spacing: 10px; opacity: 0.8; color: rgba(255,255,255,0.9);
}
.ys_ban_parga p {
    font-size: 18px; color: rgba(255,255,255,0.65); line-height: 1.7;
    max-width: 560px; margin: 0 auto;
}
.ys_ban_parga_btn {
    display: flex; align-items: center; justify-content: center; flex-wrap: wrap;
    gap: 30px; margin-top: 56px;
}

@keyframes scrollPulse { 0%,100% { top: 8px; opacity: 0.3; } 50% { top: 18px; opacity: 1; } }
.ys_ban_mouse { position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%); z-index: 6; text-align: center; }
.ys_ban_mouse_icon {
    width: 26px; height: 40px; border: 2px solid rgba(255,255,255,0.35); border-radius: 13px;
    margin: 0 auto 8px; position: relative;
}
.ys_ban_mouse_icon::after {
    content: ""; width: 4px; height: 8px; background: rgba(255,255,255,0.6);
    border-radius: 2px; position: absolute; left: 50%; transform: translateX(-50%);
    animation: scrollPulse 1.6s ease-in-out infinite;
}
.ys_ban_mouse p { color: rgba(255,255,255,0.35); font-size: 11px; letter-spacing: 1px; }

/* ---------- Content wrapper — scrolls OVER the fixed hero ---------- */
.inside_cont {
    margin-top: 100vh; background: #fff; position: relative; z-index: 2;
}

/* ---------- Section Common ---------- */
.section { padding: 110px 0; position: relative; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 {
    font-size: 46px; font-weight: 600; color: var(--color-text-dark);
    line-height: 1.3; margin-bottom: 18px;
}
.section-header .gradient-text {
    background: linear-gradient(90deg, var(--color-accent) 32.29%, var(--color-primary) 100%);
    background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.section-header p { font-size: 17px; color: var(--color-text-body); line-height: 1.75; max-width: 660px; margin: 0 auto; }

/* Background tint */
.section-tinted { position: relative; z-index: 1; }
.section-tinted::after {
    content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0.04; background: linear-gradient(180deg, rgba(254,254,255,0) 5.38%, #0157FF 45.71%, #FFF 99.8%);
    z-index: 0; pointer-events: none;
}
.section-tinted>*{position:relative;z-index:1}

/* ---------- About Section ---------- */
.home_about { display: flex; align-items: center; flex-wrap: wrap; }
.home_about_left { width: 48%; position: relative; }
.home_about_left_img {
    width: 100%; border-radius: 0 200px 200px 0; overflow: hidden;
    background: linear-gradient(160deg, #0a1628 0%, #0d2b5e 50%, var(--color-primary) 100%);
    min-height: 520px; display: flex; align-items: center; justify-content: center;
    position: relative;
}
.aaimg-pattern {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.04) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(0,228,158,0.06) 0%, transparent 40%);
}
.aaimg-drone { position: relative; z-index: 1; }
.home_about_right { width: 52%; padding-left: 110px; }
.home_about_right .std_title2 { margin-bottom: 28px; line-height: 1.3; }
.home_about_right .std_parga1 { margin-bottom: 18px; }
.home_about_right .std_parga1 p { line-height: 1.85; }

.about_stats { display: flex; flex-wrap: wrap; gap: 50px; margin-top: 40px; }
.about_stat_num {
    font-size: 52px; font-weight: 700; color: var(--color-primary); line-height: 1.1;
    font-family: "Poppins","Montserrat",sans-serif;
}
.about_stat_num span { font-size: 22px; font-weight: 400; color: var(--color-text-light); }
.about_stat_label { font-size: 13px; color: var(--color-text-light); margin-top: 8px; letter-spacing: 1px; }

/* ---------- Business Tabs ---------- */
.business_tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-bottom: 56px; }
.business_tab {
    padding: 12px 32px; border-radius: 56px; cursor: pointer;
    font-size: 16px; color: var(--color-text-body); transition: all .36s;
    border: 1px solid transparent; position: relative;
}
.business_tab:hover { color: var(--color-primary); }
.business_tab.active {
    color: #fff; background: var(--color-primary);
    box-shadow: 0px 4px 16px 0px rgba(0,61,150,0.25);
}
.business_panel { display: none; }
.business_panel.active { display: flex; align-items: center; flex-wrap: wrap; gap: 70px; }
.business_panel_img {
    width: 43%; border-radius: 12px; overflow: hidden;
    background: var(--color-bg-card); min-height: 340px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: inset 0 0 0 1px rgba(22,100,255,0.05);
    position: relative;
}
.business_panel_img .bp-pattern {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(22,100,255,0.06) 0%, transparent 60%),
                radial-gradient(circle at 80% 20%, rgba(0,228,158,0.05) 0%, transparent 50%);
}
.business_panel_text { width: 52%; }
.business_panel_text h3 { font-size: 28px; font-weight: 600; margin-bottom: 20px; color: var(--color-text-dark); }
.features { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.feature_tag { padding: 6px 18px; background: rgba(22,100,255,0.06); border-radius: 20px; font-size: 13px; color: var(--color-primary); }

/* ---------- Projects Grid ---------- */
.projects_grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.project_card {
    background: #fff; border-radius: 12px; overflow: hidden;
    box-shadow: 0px 0px 20px 0px rgba(185,204,232,0.25);
    transition: all .36s; border: 1px solid rgba(0,0,0,0.04);
}
.project_card:hover { transform: translateY(-6px); box-shadow: 0px 8px 30px 0px rgba(0,61,150,0.12); }
.project_card_img {
    width: 100%; height: 200px; overflow: hidden; position: relative;
    background: linear-gradient(150deg, #f0f5ff 0%, #e3edfb 50%, #f5f8fd 100%);
    display: flex; align-items: center; justify-content: center;
}
.project_card_img .pc-pattern {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 30% 70%, rgba(22,100,255,0.07) 0%, transparent 60%);
}
.project_card_img .icon-placeholder { position: relative; z-index: 1; font-size: 56px; opacity: 0.25; transition: all .36s; }
.project_card:hover .project_card_img .icon-placeholder { transform: scale(1.08); opacity: 0.35; }
.project_card_body { padding: 24px 28px 28px; }
.project_card_tag {
    display: inline-block; padding: 4px 14px; background: rgba(22,100,255,0.07);
    color: var(--color-primary); font-size: 12px; border-radius: 12px; margin-bottom: 12px;
    letter-spacing: .5px;
}
.project_card_body h4 {
    font-size: 17px; font-weight: 600; color: var(--color-text-dark); line-height: 1.55; margin-bottom: 8px;
}
.project_card_body p { font-size: 13px; color: var(--color-text-light); line-height: 1.65; }

/* ---------- Products Section ---------- */
.products_grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.product_card {
    text-align: center; padding: 44px 32px 40px; border-radius: 16px;
    background: #fff; box-shadow: 0px 0px 20px 0px rgba(185,204,232,0.25);
    transition: all .36s; border: 1px solid rgba(0,0,0,0.04); position: relative; overflow: hidden;
}
.product_card::before {
    content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-primary) 100%);
    transform: scaleX(0); transition: all .36s;
}
.product_card:hover::before { transform: scaleX(1); }
.product_card:hover { transform: translateY(-6px); box-shadow: 0px 8px 30px 0px rgba(0,61,150,0.12); }
.product_card_icon {
    width: 72px; height: 72px; border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, #0d2b5e 100%);
    margin: 0 auto 24px; display: flex; align-items: center; justify-content: center;
    box-shadow: 0px 4px 16px 0px rgba(22,100,255,0.3);
}
.product_card h4 { font-size: 20px; font-weight: 600; color: var(--color-text-dark); margin-bottom: 12px; }
.product_card p { font-size: 14px; color: var(--color-text-light); line-height: 1.7; }

/* ---------- Stats Banner ---------- */
.stats-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0a2d5c 100%);
    padding: 50px 0; position: relative; overflow: hidden;
}
.stats-banner::before {
    content: ""; position: absolute; top: -50%; right: -10%; width: 400px; height: 400px;
    border-radius: 50%; background: rgba(255,255,255,0.03);
}
.stats-row {
    display: flex; justify-content: center; align-items: center; flex-wrap: wrap;
    gap: 80px; position: relative; z-index: 1;
}
.stats-item { text-align: center; }
.stats-num {
    font-size: 44px; font-weight: 700; color: #fff; line-height: 1.1;
    font-family: "Poppins","Montserrat",sans-serif;
}
.stats-num span { font-size: 20px; font-weight: 300; opacity: 0.7; }
.stats-label { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 6px; letter-spacing: 2px; }

/* ---------- CTA Section ---------- */
.cta_section {
    background: linear-gradient(160deg, var(--color-primary) 0%, #0a2250 100%);
    padding: 90px 0; text-align: center; position: relative; overflow: hidden;
}
.cta_section::before {
    content: ""; position: absolute; top: -40%; right: -15%; width: 500px; height: 500px;
    border-radius: 50%; background: rgba(255,255,255,0.025);
}
.cta_section::after {
    content: ""; position: absolute; bottom: -30%; left: -10%; width: 350px; height: 350px;
    border-radius: 50%; background: rgba(0,228,158,0.06);
}
.cta_section h2 { font-size: 42px; font-weight: 700; color: #fff; margin-bottom: 18px; position: relative; z-index: 1; }
.cta_section p { font-size: 17px; color: rgba(255,255,255,0.65); line-height: 1.8; margin-bottom: 44px; position: relative; z-index: 1; }
.cta_section .btn-cta {
    display: inline-block; padding: 0 60px; border-radius: 56px; background: #fff;
    position: relative; z-index: 1; transition: all .36s; box-shadow: 0px 4px 16px 0px rgba(0,61,150,0.25);
}
.cta_section .btn-cta p { font-size: 18px; line-height: 56px; color: var(--color-primary); margin: 0; font-weight: 500; }
.cta_section .btn-cta:hover { transform: translateY(-2px); box-shadow: 0px 8px 24px 0px rgba(0,61,150,0.35); }

/* ---------- Footer ---------- */
.ys_footer { background: #1a1a1a; padding: 64px 0 0; }
.footer_top { display: flex; align-items: center; padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer_logo { font-size: 28px; font-weight: 700; color: #fff; letter-spacing: 2px; }
.footer_logo span { color: var(--color-primary); }
.footer_mid { padding: 48px 0; display: flex; flex-wrap: wrap; gap: 60px; }
.footer_nav { display: flex; flex-wrap: wrap; gap: 80px; }
.footer_nav_col h4 { font-size: 17px; color: #fff; font-weight: 600; margin-bottom: 22px; }
.footer_nav_col a { display: block; font-size: 13px; color: rgba(255,255,255,0.45); line-height: 2.2; transition: all .36s; }
.footer_nav_col a:hover { color: var(--color-primary); }
.footer_contact { margin-left: auto; }
.footer_contact h4 { font-size: 17px; color: #fff; font-weight: 600; margin-bottom: 16px; }
.footer_contact p { font-size: 13px; color: rgba(255,255,255,0.45); line-height: 2; }
.footer_contact .phone { font-size: 20px; color: #fff; font-weight: 600; margin: 10px 0; font-family: "Poppins",sans-serif; }
.footer_bottom { padding: 20px 0 40px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; border-top: 1px solid rgba(255,255,255,0.08); }
.footer_bottom p { font-size: 11px; line-height: 2; color: rgba(255,255,255,0.3); }
.footer_bottom a { color: rgba(255,255,255,0.3); transition: all .36s; }
.footer_bottom a:hover { color: var(--color-primary); }

/* ---------- Sub-page Banner ---------- */
.page_banner {
    height: 420px; display: flex; align-items: center; justify-content: center; text-align: center;
    position: relative; overflow: hidden;
    background: linear-gradient(160deg, #070e1a 0%, #0b1f3d 30%, #0d3a6e 60%, #0a2d5c 100%);
    margin-top: 85px;
}
.page_banner::before { content: ""; position: absolute; bottom: 0; left: 0; width: 100%; height: 40%; background: linear-gradient(transparent, rgba(0,0,0,0.35)); pointer-events: none; }
.page_banner::after {
    content: ""; position: absolute; top: -30%; right: -10%; width: 400px; height: 400px; border-radius: 50%;
    background: rgba(22,100,255,0.08); filter: blur(60px);
}
.page_banner_content { position: relative; z-index: 1; }
.page_banner_content h1 { font-size: 46px; font-weight: 700; color: #fff; margin-bottom: 14px; letter-spacing: 3px; }
.page_banner_content p { font-size: 17px; color: rgba(255,255,255,0.55); letter-spacing: 4px; }

/* ---------- Content Sections (sub-pages) ---------- */
.content_section { padding: 80px 0; }
.content_section h2 { font-size: 36px; font-weight: 600; color: var(--color-text-dark); margin-bottom: 40px; text-align: center; }

/* ---------- Contact Page ---------- */
.contact_grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: start; }
.contact_info h3 { font-size: 28px; font-weight: 600; margin-bottom: 32px; }
.contact_info_item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
.contact_info_item_icon {
    width: 44px; height: 44px; border-radius: 50%; background: rgba(22,100,255,0.08);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact_info_item_text strong { display: block; margin-bottom: 4px; font-size: 15px; color: var(--color-text-dark); }
.contact_info_item_text p { color: var(--color-text-body); line-height: 1.6; font-size: 14px; }
.contact_form {
    background: var(--color-bg-card); padding: 44px 40px; border-radius: 16px;
    border: 1px solid rgba(0,0,0,0.04); box-shadow: 0px 4px 24px 0px rgba(185,204,232,0.2);
}
.contact_form .form-group { margin-bottom: 18px; }
.contact_form label { display: block; font-size: 14px; color: var(--color-text-dark); margin-bottom: 8px; font-weight: 500; }
.contact_form input, .contact_form textarea {
    width: 100%; padding: 13px 16px; border: 1px solid var(--color-border); border-radius: 8px;
    font-size: 14px; color: var(--color-text-dark); background: #fff; transition: all .36s;
}
.contact_form input:focus, .contact_form textarea:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(22,100,255,0.08); }
.contact_form textarea { height: 130px; resize: vertical; }
.contact_form .submit-btn {
    width: 100%; padding: 14px; background: var(--color-primary); color: #fff;
    font-size: 16px; font-weight: 500; border-radius: 56px; cursor: pointer; transition: all .36s;
}
.contact_form .submit-btn:hover { background: var(--color-primary-dark); box-shadow: 0px 4px 16px 0px rgba(0,61,150,0.3); }

/* ---------- Button styles ---------- */
.btn-primary {
    display: inline-block; border-radius: 56px; overflow: hidden; transition: all .36s;
    box-shadow: 0px 4px 16px 0px rgba(0,61,150,0.25);
}
.btn-primary a { display: block; padding: 0 52px; background: var(--color-primary); transition: all .36s; }
.btn-primary p { font-size: 17px; line-height: 50px; color: #fff; font-weight: 500; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0px 8px 24px 0px rgba(0,61,150,0.35); }

.btn-outline-white {
    display: inline-block; border: 1px solid rgba(255,255,255,0.5); border-radius: 56px;
    transition: all .36s; overflow: hidden;
}
.btn-outline-white a { display: flex; align-items: center; gap: 12px; padding: 0 52px; transition: all .36s; }
.btn-outline-white p { font-size: 17px; line-height: 48px; color: #fff; }
.btn-outline-white:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

/* ---------- Decorative title accents ---------- */
.title-accent { position: relative; display: inline-block; }
.title-accent-line {
    position: absolute; width: 40px; height: 3px; background: var(--color-primary);
    border-radius: 2px; top: -16px; left: 50%; transform: translateX(-50%);
}

/* ---------- Responsive ---------- */
@media screen and (max-width: 1440px) {
    .ys_ban_title { font-size: 52px; }
    .mod_nav { padding: 0 40px; }
    .home_about_right { padding-left: 70px; }
    .footer_nav { gap: 50px; }
}
@media screen and (max-width: 1200px) {
    .ys_ban_title { font-size: 42px; letter-spacing: 3px; }
    .ys_ban_title .tagline { font-size: 17px; letter-spacing: 6px; }
    .mod_nav { padding: 0 30px; }
    .home_about { flex-direction: column; }
    .home_about_left, .home_about_right { width: 100%; padding-left: 0; }
    .home_about_left_img { border-radius: 20px; min-height: 300px; }
    .home_about_right { padding-top: 40px; }
    .projects_grid { grid-template-columns: repeat(2,1fr); }
    .products_grid { grid-template-columns: repeat(2,1fr); }
    .business_panel { flex-direction: column; gap: 30px; }
    .business_panel_img, .business_panel_text { width: 100%; }
    .business_panel_img { min-height: 240px; }
    .footer_mid { gap: 40px; }
    .footer_nav { gap: 40px; }
    .footer_contact { margin-left: 0; }
    .contact_grid { grid-template-columns: 1fr; }
    .stats-row { gap: 40px; }
}
@media screen and (max-width: 767px) {
    .ys_ban_title { font-size: 30px; letter-spacing: 2px; }
    .ys_ban_title .tagline { font-size: 14px; letter-spacing: 4px; }
    .ys_ban_parga p { font-size: 14px; }
    .mod_nav { padding: 0 20px; }
    .mnlu_ul, .nav-cta { display: none; }
    .nav-toggle { display: flex; }
    .section { padding: 60px 0; }
    .section-header h2 { font-size: 30px; }
    .section-header p { font-size: 14px; }
    .projects_grid { grid-template-columns: 1fr; }
    .products_grid { grid-template-columns: 1fr; }
    .footer_nav { flex-direction: column; gap: 30px; }
    .footer_bottom { flex-direction: column; text-align: center; }
    .page_banner { height: 280px; }
    .page_banner_content h1 { font-size: 30px; }
    .about_stats { gap: 30px; }
    .about_stat_num { font-size: 36px; }
    .cta_section h2 { font-size: 26px; }
    .contact_form { padding: 24px; }
    .ys_ban_parga_btn { flex-direction: column; gap: 16px; }
    .stats-num { font-size: 32px; }
    .home_about_left_img { min-height: 240px; }
}