/* ======================================================
   SRBT DE — Main Stylesheet
   SR Begruenungstechnik GmbH

   CSS Class Naming (abbreviated for consistency with templates):
   .hi = header-inner, .lm = logo-mark, .lt = logo-text
   .ni = nav-item, .nl = nav-link, .dd = dropdown
   .ph = page-hero, .sec = section, .ey = eyebrow
   .st = section-title, .sl = section-lead
   .sc = sector-card, .sg = sectors-grid
   .tc = type-card, .tg = types-grid
   .bc = blog-card, .bg = blog-grid
   .pm = positioning-module, .ic = info-cta
   .fc = footer-col, .ft = footer-top
   ====================================================== */

:root {
  --green:        #6aab35;
  --green-dark:   #4d8a20;
  --green-deep:   #1e3d10;
  --green-light:  #eef6e6;
  --green-pale:   #f7faf4;
  --anthracite:   #1e1e1e;
  --text:         #333333;
  --text-mid:     #555555;
  --text-light:   #888888;
  --white:        #ffffff;
  --bg-light:     #f8f8f6;
  --bg-cream:     #f5f3ee;
  --border:       #e2e2de;
  --shadow:       0 2px 16px rgba(0,0,0,0.07);
  --shadow-lg:    0 8px 40px rgba(0,0,0,0.12);
}

/* -- RESET & BASE -- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 15px;
}
h1, h2, h3 { font-family: 'Libre Baskerville', serif; font-weight: 400; line-height: 1.25; color: var(--anthracite); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* -- HEADER -- */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
.hi {
  max-width: 1260px; margin: 0 auto; padding: 0 40px;
  height: 72px; display: flex; align-items: center;
  justify-content: space-between; gap: 32px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.lm {
  width: 36px; height: 36px; background: var(--green);
  border-radius: 4px; display: flex; align-items: center; justify-content: center;
}
.lt { display: flex; flex-direction: column; line-height: 1.2; }
.lt strong { font-family: 'Inter', sans-serif; font-weight: 600; font-size: 0.95rem; color: var(--anthracite); letter-spacing: -0.01em; }
.lt span { font-size: 0.72rem; color: var(--text-light); letter-spacing: 0.02em; }
header nav { display: flex; align-items: center; gap: 4px; }
.ni { position: relative; }
.nl {
  display: flex; align-items: center; gap: 4px; padding: 8px 14px;
  font-size: 0.875rem; font-weight: 500; color: var(--text-mid);
  border-radius: 4px; transition: all 0.15s; white-space: nowrap; cursor: pointer;
}
.nl:hover { color: var(--anthracite); background: var(--bg-light); }
.nl svg { width: 12px; height: 12px; opacity: 0.5; }
.dd {
  display: none; position: absolute; top: calc(100% + 4px); left: 0;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 6px; min-width: 220px; padding: 6px;
  box-shadow: var(--shadow-lg); z-index: 300;
}
.ni:hover .dd { display: block; }
.dd a {
  display: block; padding: 9px 14px; font-size: 0.85rem;
  color: var(--text-mid); border-radius: 4px; transition: all 0.15s; font-weight: 400;
}
.dd a:hover { background: var(--green-light); color: var(--green-dark); }
.btn-c {
  background: var(--green); color: var(--white) !important;
  padding: 10px 22px; border-radius: 5px; font-size: 0.875rem;
  font-weight: 500; transition: background 0.15s; margin-left: 8px; flex-shrink: 0;
}
.btn-c:hover { background: var(--green-dark); }

/* -- HAMBURGER -- */
.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px; padding: 8px;
}
.hamburger span {
  display: block; width: 24px; height: 2px; background: var(--anthracite);
  transition: transform 0.2s, opacity 0.2s;
}

/* -- BUTTONS -- */
.btn-g {
  background: var(--green); color: var(--white); padding: 13px 28px;
  border-radius: 5px; font-weight: 500; font-size: 0.9rem;
  transition: background 0.15s; display: inline-flex; align-items: center; gap: 8px;
}
.btn-g:hover { background: var(--green-dark); }
.btn-ow {
  background: transparent; color: rgba(255,255,255,0.9); padding: 13px 28px;
  border-radius: 5px; font-weight: 400; font-size: 0.9rem;
  border: 1px solid rgba(255,255,255,0.35); transition: all 0.15s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-ow:hover { border-color: rgba(255,255,255,0.65); color: var(--white); }
.btn-outline {
  background: transparent; color: var(--green); padding: 12px 28px;
  border-radius: 5px; font-weight: 500; font-size: 0.9rem;
  border: 1.5px solid var(--green); transition: all 0.15s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-outline:hover { background: var(--green-light); }

/* -- HERO (Homepage, full-viewport) -- */
.hero {
  min-height: 100vh; position: relative; display: flex;
  align-items: flex-end; padding-top: 72px; overflow: hidden;
}
.hero-bg-img {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.hero-bg-img .hero-placeholder-grad {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #2a3d1e, #3d5a28, #1e2d14);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(30,30,30,0.4), rgba(30,30,30,0.65));
  z-index: 1;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 1260px; margin: 0 auto; padding: 80px 40px; width: 100%;
}
.hero-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--green); margin-bottom: 20px;
}
.hero-label::before { content: ''; width: 20px; height: 2px; background: var(--green); }
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem); color: var(--white);
  max-width: 760px; margin-bottom: 10px; letter-spacing: -0.02em; line-height: 1.15;
}
.hero h1 span { display: block; font-weight: 400; font-style: italic; color: rgba(255,255,255,0.85); }
.hero-sub {
  font-size: 1rem; color: rgba(255,255,255,0.75);
  max-width: 560px; margin-bottom: 44px; line-height: 1.8;
  font-weight: 300; margin-top: 18px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-tags {
  display: flex; gap: 4px; flex-wrap: wrap;
  margin-top: 48px; padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.htag {
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.06em;
  text-transform: uppercase; color: rgba(255,255,255,0.45);
  padding: 6px 14px; border-radius: 2px;
}

/* -- PAGE HERO (subpages) -- */
.ph {
  background: var(--anthracite); padding: 120px 40px 72px;
  position: relative; overflow: hidden;
}
.ph::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, #2a3d1e 0%, #1e2d14 100%); opacity: 0.92;
}
.ph-inner { max-width: 1260px; margin: 0 auto; position: relative; z-index: 1; }
.ph-label {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--green); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.ph-label::before { content: ''; width: 20px; height: 2px; background: var(--green); }
.ph h1 {
  font-size: clamp(1.7rem, 3vw, 2.6rem); color: var(--white);
  max-width: 800px; margin-bottom: 20px; letter-spacing: -0.02em;
}
.ph-sub {
  font-size: 0.975rem; color: rgba(255,255,255,0.7);
  max-width: 680px; line-height: 1.85; font-weight: 300;
}

/* -- SECTIONS -- */
.sec { padding: 80px 40px; }
.sec-in { max-width: 1260px; margin: 0 auto; }
.ey {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--green); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.ey::before { content: ''; width: 20px; height: 2px; background: var(--green); }
.st { font-size: clamp(1.5rem, 2.3vw, 2rem); margin-bottom: 18px; letter-spacing: -0.02em; }
.sl { font-size: 0.975rem; color: var(--text-mid); max-width: 700px; line-height: 1.85; font-weight: 300; }

/* -- CONTENT BLOCKS -- */
.content-block { margin-bottom: 56px; }
.content-block h2 { font-size: 1.4rem; margin-bottom: 14px; color: var(--anthracite); }
.content-block h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--anthracite); font-weight: 700; }
.content-block p { font-size: 0.975rem; color: var(--text-mid); line-height: 1.85; margin-bottom: 14px; font-weight: 300; }
.content-block p:last-child { margin-bottom: 0; }
.content-block strong { color: var(--anthracite); font-weight: 500; }

/* -- COMPANY GRID -- */
.co-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 56px; align-items: start; }
.co-text p { font-size: 0.975rem; color: var(--text-mid); line-height: 1.9; margin-bottom: 18px; font-weight: 300; }
.co-text strong { color: var(--anthracite); font-weight: 500; }
.co-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 500; color: var(--green-dark);
  background: var(--green-light); padding: 8px 16px; border-radius: 3px; margin-top: 8px;
}

/* -- SYSTEM DIAGRAM -- */
.sys-box {
  background: var(--bg-light); border: 1px solid var(--border);
  border-radius: 10px; padding: 40px;
  display: grid; grid-template-columns: 1fr 32px 1fr 32px 1fr;
  align-items: center; gap: 0;
}
.sys-card {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: 8px; padding: 24px 20px; cursor: pointer; transition: all 0.2s;
}
.sys-card:hover { border-color: var(--green); box-shadow: 0 4px 20px rgba(106,171,53,0.15); transform: translateY(-2px); }
.sys-icon {
  width: 36px; height: 36px; background: var(--green-light);
  border-radius: 6px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px;
}
.sys-icon svg { stroke: var(--green); fill: none; width: 18px; height: 18px; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.sys-card:hover .sys-icon { background: var(--green); }
.sys-card:hover .sys-icon svg { stroke: white; }
.sys-label { font-size: 0.65rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--green); margin-bottom: 6px; }
.sys-title { font-family: 'Libre Baskerville', serif; font-size: 1rem; font-weight: 700; color: var(--anthracite); margin-bottom: 8px; }
.sys-hint { font-size: 0.78rem; color: var(--text-light); line-height: 1.6; }
.sys-op { display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--border); font-weight: 300; }
.sys-note {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; margin-top: 20px; font-size: 0.78rem; color: var(--text-light); font-weight: 400;
}
.sys-note-sep { width: 20px; height: 1px; background: var(--border); }

/* -- SECTORS GRID -- */
.sg {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  margin-top: 48px; background: var(--border);
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
.sc { background: var(--white); display: flex; flex-direction: column; transition: background 0.15s; }
.sc:hover { background: var(--green-pale); }
.sc-img { height: 160px; background: linear-gradient(135deg, #2a3d1e, #3d5a28); position: relative; flex-shrink: 0; overflow: hidden; }
.sc-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sc-img-2 { background: linear-gradient(135deg, #3a3020, #5a4a20); }
.sc-img-3 { background: linear-gradient(135deg, #202a3a, #2a3a50); }
.sc-img-4 { background: linear-gradient(135deg, #2a3520, #3d5028); }
.sc-img-5 { background: linear-gradient(135deg, #352020, #503028); }
.sc-img-6 { background: linear-gradient(135deg, #203530, #284840); }
.sc-num { position: absolute; top: 14px; left: 16px; font-family: 'Libre Baskerville', serif; font-size: 1.4rem; font-weight: 700; color: rgba(255,255,255,0.3); }
.sc-body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.sc-body h3 { font-size: 0.95rem; color: var(--anthracite); margin-bottom: 8px; font-weight: 700; letter-spacing: -0.01em; font-family: 'Inter', sans-serif; }
.sc-body p { font-size: 0.84rem; color: var(--text-mid); line-height: 1.75; flex: 1; font-weight: 300; }
.sc-link { display: inline-flex; align-items: center; gap: 5px; margin-top: 14px; font-size: 0.78rem; font-weight: 600; color: var(--green); letter-spacing: 0.04em; text-transform: uppercase; }

/* -- APPROACH -- */
.ap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 48px; align-items: center; }
.ap-steps { display: flex; flex-direction: column; }
.ap-step { display: flex; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--border); align-items: flex-start; }
.ap-step:first-child { padding-top: 0; }
.ap-step:last-child { border-bottom: none; }
.ap-num { font-family: 'Libre Baskerville', serif; font-size: 1.8rem; font-weight: 700; color: var(--green-light); line-height: 1; min-width: 44px; padding-top: 4px; }
.ap-text h3 { font-size: 0.95rem; font-weight: 700; color: var(--anthracite); margin-bottom: 6px; font-family: 'Inter', sans-serif; }
.ap-text p { font-size: 0.875rem; color: var(--text-mid); line-height: 1.8; font-weight: 300; }
.ap-img { height: 420px; border-radius: 8px; overflow: hidden; }
.ap-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ap-img .img-placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, #2a4020, #4d7030); border-radius: 8px; }

/* -- PARTNER -- */
.pt-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 48px; align-items: start; }
.pt-criteria { display: flex; flex-direction: column; gap: 10px; }
.pt-crit {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 6px; padding: 16px 18px; transition: border-color 0.15s;
}
.pt-crit:hover { border-color: var(--green); }
.pt-num { font-size: 0.75rem; font-weight: 600; color: var(--green); min-width: 22px; padding-top: 2px; }
.pt-crit strong { display: block; font-size: 0.85rem; font-weight: 600; color: var(--anthracite); margin-bottom: 2px; }
.pt-crit span { font-size: 0.82rem; color: var(--text-light); font-weight: 300; }
.region-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.rtag { font-size: 0.78rem; font-weight: 500; color: var(--text-mid); background: var(--white); border: 1px solid var(--border); padding: 5px 12px; border-radius: 3px; }

/* -- BLOG -- */
.bl-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 40px; }
.link-all { font-size: 0.82rem; font-weight: 600; color: var(--green); display: flex; align-items: center; gap: 5px; letter-spacing: 0.04em; text-transform: uppercase; }
.bg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.bc { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; transition: all 0.2s; background: var(--white); }
.bc:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); border-color: transparent; }
.bc-img { height: 180px; position: relative; overflow: hidden; }
.bc-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bc-img .img-placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, #2a3d1e, #3d5a28); }
.bc-img-2 .img-placeholder { background: linear-gradient(135deg, #202a3a, #2a3a50); }
.bc-img-3 .img-placeholder { background: linear-gradient(135deg, #352a1e, #504030); }
.bc-tag {
  position: absolute; top: 14px; left: 14px;
  background: var(--green); color: var(--white);
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 4px 10px; border-radius: 3px; z-index: 1;
}
.bc-body { padding: 22px 20px 26px; }
.bc-body h3 { font-size: 0.95rem; color: var(--anthracite); margin-bottom: 8px; font-weight: 700; line-height: 1.4; letter-spacing: -0.01em; font-family: 'Inter', sans-serif; }
.bc-body h3 a { color: inherit; }
.bc-body h3 a:hover { color: var(--green); }
.bc-body p { font-size: 0.84rem; color: var(--text-light); line-height: 1.75; font-weight: 300; }
.bc-meta { padding: 14px 20px; border-top: 1px solid var(--border); font-size: 0.78rem; color: var(--text-light); display: flex; justify-content: space-between; align-items: center; }
.bc-meta a { font-weight: 600; color: var(--green); }
.bc-meta a:hover { color: var(--green-dark); }

/* -- TYPES GRID -- */
.tg { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 40px; }
.tc { background: var(--bg-light); border: 1px solid var(--border); border-radius: 8px; padding: 26px 24px; border-left: 3px solid var(--green); transition: all 0.15s; }
.tc:hover { background: var(--green-pale); border-left-color: var(--green-dark); }
.tc h3 { font-size: 0.9rem; font-weight: 700; color: var(--anthracite); margin-bottom: 7px; font-family: 'Inter', sans-serif; }
.tc p { font-size: 0.84rem; color: var(--text-mid); line-height: 1.75; font-weight: 300; margin: 0; }

/* -- POSITIONING MODULE (dark CTA) -- */
.pm { background: var(--anthracite); border-radius: 8px; padding: 36px 40px; margin-top: 56px; }
.pm p { font-size: 0.9rem; color: rgba(255,255,255,0.7); line-height: 1.85; margin-bottom: 14px; font-weight: 300; }
.pm .pm-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green); color: var(--white);
  padding: 11px 22px; border-radius: 5px; font-size: 0.875rem;
  font-weight: 500; transition: background 0.15s; margin-top: 8px;
}
.pm .pm-cta:hover { background: var(--green-dark); }

/* -- INFO CTA (green) -- */
.ic {
  background: var(--green-light); border: 1px solid #c8e0b0;
  border-radius: 8px; padding: 26px 32px; margin-top: 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.ic p { font-size: 0.9rem; color: var(--green-dark); font-weight: 400; margin: 0; }
.ic a {
  background: var(--green); color: var(--white);
  padding: 10px 22px; border-radius: 5px; font-size: 0.875rem;
  font-weight: 500; white-space: nowrap; transition: background 0.15s;
}
.ic a:hover { background: var(--green-dark); }

/* -- WIRKPRINZIP (3-col principles) -- */
.wp { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 32px 0; }
.wpc { background: var(--bg-light); border: 1px solid var(--border); border-radius: 8px; padding: 24px 20px; text-align: center; }
.wpc-icon {
  width: 48px; height: 48px; background: var(--green-light);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
}
.wpc-icon svg { stroke: var(--green); fill: none; width: 22px; height: 22px; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.wpc h3 { font-size: 0.88rem; font-weight: 700; color: var(--anthracite); margin-bottom: 6px; font-family: 'Inter', sans-serif; }
.wpc p { font-size: 0.82rem; color: var(--text-mid); line-height: 1.7; font-weight: 300; margin: 0; }

/* -- DIVIDER -- */
.divider { width: 40px; height: 2px; background: var(--green); margin: 28px 0; }

/* -- PLACEHOLDER (dev only) -- */
.img-placeholder {
  background: #e0e8d6; display: flex; align-items: center; justify-content: center;
  color: #7a8a6a; font-size: 12px; text-align: center; padding: 12px;
  width: 100%; height: 100%; min-height: 180px;
}

/* -- SINGLE POST -- */
.single-wrap { max-width: 780px; margin: 0 auto; padding: 48px 40px; }
.single-wrap .post-meta { font-size: 0.82rem; color: var(--text-light); margin-bottom: 32px; }
.single-wrap h1 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 16px; }
.single-wrap .entry-content p { font-size: 0.975rem; color: var(--text-mid); font-weight: 300; line-height: 1.9; margin-bottom: 20px; }
.single-wrap .entry-content h2 { font-size: 1.3rem; margin: 32px 0 12px; }
.single-wrap .entry-content h3 { font-size: 1.1rem; margin: 24px 0 10px; }
.single-wrap .entry-content img { border-radius: 6px; margin: 16px 0; }
.single-wrap .entry-content ul, .single-wrap .entry-content ol { margin: 0 0 20px 24px; color: var(--text-mid); font-weight: 300; line-height: 1.9; }
.single-wrap .entry-content blockquote { border-left: 3px solid var(--green); padding-left: 20px; margin: 20px 0; font-style: italic; color: var(--text-mid); }

/* -- 404 -- */
.page-404 { text-align: center; padding: 120px 40px 80px; }
.page-404 h1 { font-size: 3rem; margin-bottom: 16px; }
.page-404 p { font-size: 1rem; color: var(--text-mid); margin-bottom: 32px; }

/* -- FOOTER -- */
footer { background: var(--anthracite); color: rgba(255,255,255,0.65); padding: 72px 40px 36px; }
.fi { max-width: 1260px; margin: 0 auto; }
.ft {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px; margin-bottom: 56px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.ftag { font-size: 0.875rem; color: rgba(255,255,255,0.5); line-height: 1.8; margin: 20px 0; font-weight: 300; max-width: 280px; }
.fadr { font-size: 0.8rem; color: rgba(255,255,255,0.38); line-height: 1.7; }
.fadr a { color: rgba(255,255,255,0.5); transition: color 0.15s; }
.fadr a:hover { color: var(--green); }
.fc h4 { font-family: 'Inter', sans-serif; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 18px; }
.fc a { display: block; font-size: 0.86rem; color: rgba(255,255,255,0.6); margin-bottom: 9px; transition: color 0.15s; font-weight: 300; }
.fc a:hover { color: var(--green); }
.fb { display: flex; justify-content: space-between; align-items: center; font-size: 0.78rem; color: rgba(255,255,255,0.28); }
.fb a { color: rgba(255,255,255,0.28); transition: color 0.15s; }
.fb a:hover { color: rgba(255,255,255,0.55); }
.fbl { display: flex; gap: 20px; }

/* ======================================================
   RESPONSIVE
   ====================================================== */
@media (max-width: 1024px) {
  .sec { padding: 64px 24px; }
  .co-grid, .ap-grid, .pt-grid { grid-template-columns: 1fr; gap: 48px; }
  .tg { grid-template-columns: 1fr; }
  .sg { grid-template-columns: 1fr 1fr; }
  .bg { grid-template-columns: 1fr 1fr; }
  .ft { grid-template-columns: 1fr 1fr; gap: 40px; }
  .sys-box { grid-template-columns: 1fr; gap: 12px; }
  .sys-op { transform: rotate(90deg); }
  .wp { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hi { padding: 0 20px; }
  header nav { display: none; }
  header nav.open { display: flex; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; background: var(--white); border-bottom: 1px solid var(--border); box-shadow: var(--shadow); padding: 12px 0; z-index: 300; }
  header nav.open .ni { width: 100%; }
  header nav.open .nl { padding: 12px 24px; border-radius: 0; }
  header nav.open .dd { position: static; box-shadow: none; border: none; border-radius: 0; padding: 0; }
  header nav.open .dd a { padding-left: 40px; }
  header nav.open .ni:hover .dd { display: none; }
  header nav.open .ni.open .dd { display: block; }
  header nav.open .btn-c { margin: 12px 24px; text-align: center; display: block; }
  .hamburger { display: flex; }
  .ph { padding: 100px 20px 56px; }
  .sec { padding: 56px 20px; }
  .hero-content { padding: 60px 20px; }
  .hero h1 { font-size: clamp(1.6rem, 5vw, 2.2rem); }
  .ic { flex-direction: column; align-items: flex-start; }
  .sg { grid-template-columns: 1fr; }
  .bg { grid-template-columns: 1fr; }
  .ft { grid-template-columns: 1fr; gap: 32px; }
  .fb { flex-direction: column; gap: 12px; text-align: center; }
  .bl-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .single-wrap { padding: 32px 20px; }
}