@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --primary:      #2563EB;
  --primary-lt:   #3B82F6;
  --primary-dk:   #1D4ED8;
  --accent:       #06B6D4;
  --dark:         #0B1526;
  --dark2:        #111E35;
  --text:         #1E293B;
  --text-lt:      #64748B;
  --bg:           #F8FAFC;
  --white:        #FFFFFF;
  --border:       #E2E8F0;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--text); background: var(--white); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }

/* ── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(11,21,38,0.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: background 0.3s;
}
.nav.scrolled { background: rgba(11,21,38,0.98); }
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 28px;
  height: 68px; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo img { height: 38px; width: 38px; object-fit: contain; }
.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,0.75); text-decoration: none;
  font-size: 0.9rem; font-weight: 500; transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }
.nav-cta {
  background: var(--primary); color: #fff;
  padding: 10px 22px; border-radius: 8px;
  text-decoration: none; font-size: 0.875rem; font-weight: 600;
  transition: background 0.2s, box-shadow 0.2s;
}
.nav-cta:hover { background: var(--primary-dk); box-shadow: 0 4px 20px rgba(37,99,235,0.5); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none; position: fixed; top: 68px; left: 0; right: 0; z-index: 199;
  background: var(--dark); border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 16px 28px 24px;
}
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; }
.mobile-menu ul a {
  display: block; padding: 13px 0;
  color: rgba(255,255,255,0.8); text-decoration: none; font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-menu .nav-cta { display: block; text-align: center; margin-top: 20px; }

/* ── HERO ── */
.hero {
  min-height: 100vh; background: var(--dark);
  position: relative; overflow: hidden;
  display: flex; align-items: center;
}
.hero-glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 60% at 20% 55%, rgba(37,99,235,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 80% 25%, rgba(6,182,212,0.12) 0%, transparent 70%);
}
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 120px 28px 80px;
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(37,99,235,0.15); border: 1px solid rgba(37,99,235,0.35);
  color: var(--accent); padding: 6px 14px; border-radius: 100px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 22px;
}
.hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.6;transform:scale(1.3)} }
.hero-title {
  font-size: clamp(2rem, 4.2vw, 3.4rem); font-weight: 800; color: #fff;
  line-height: 1.15; letter-spacing: -0.025em; margin-bottom: 22px;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--primary-lt), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub { font-size: 1.05rem; color: rgba(255,255,255,0.62); line-height: 1.75; margin-bottom: 40px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary); color: #fff; padding: 14px 26px;
  border-radius: 10px; text-decoration: none; font-weight: 700; font-size: 0.92rem;
  transition: all 0.2s;
}
.btn-primary:hover { background: var(--primary-dk); transform: translateY(-1px); box-shadow: 0 8px 28px rgba(37,99,235,0.45); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: rgba(255,255,255,0.85); padding: 14px 26px;
  border-radius: 10px; text-decoration: none; font-weight: 600; font-size: 0.92rem;
  border: 1.5px solid rgba(255,255,255,0.18); transition: all 0.2s;
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.45); background: rgba(255,255,255,0.06); }
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-card {
  width: 530px; height: 280px;
  background: rgba(37,99,235,0.08); border: 1px solid rgba(37,99,235,0.22);
  border-radius: 28px; display: flex;
  align-items: center; justify-content: center;
  backdrop-filter: blur(12px);
  box-shadow: 0 0 80px rgba(37,99,235,0.15), inset 0 0 40px rgba(37,99,235,0.05);
}
.hero-card img { width: 460px; }

/* ── STATS ── */
.stats { background: var(--dark2); border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); }
.stats-inner { max-width: 1200px; margin: 0 auto; padding: 36px 28px; display: grid; grid-template-columns: repeat(2, 260px); justify-content: center; }
.stat { text-align: center; padding: 0 24px; position: relative; }
.stat::after { content:''; position:absolute; right:0; top:20%; bottom:20%; width:1px; background:rgba(255,255,255,0.08); }
.stat:last-child::after { display:none; }
.stat-n { font-size: 2.6rem; font-weight: 900; color: #fff; line-height: 1; }
.stat-n sup { font-size: 1.4rem; color: var(--primary-lt); }
.stat-l { font-size: 0.82rem; color: rgba(255,255,255,0.45); margin-top: 6px; font-weight: 500; }

/* ── SHARED SECTION ── */
section { padding: 96px 0; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.tag {
  display: inline-block; background: rgba(37,99,235,0.1);
  color: var(--primary); padding: 5px 14px; border-radius: 100px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; margin-bottom: 14px;
}
.s-title { font-size: clamp(1.75rem, 3vw, 2.4rem); font-weight: 800; color: var(--text); line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 14px; }
.s-sub { font-size: 1rem; color: var(--text-lt); line-height: 1.75; max-width: 580px; }
.s-head { margin-bottom: 60px; }
.s-head.center { text-align: center; }
.s-head.center .s-sub { margin: 0 auto; }

/* ── SERVICES ── */
.services { background: var(--bg); }
.srv-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.srv-card {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: 18px; padding: 32px; transition: all 0.25s;
}
.srv-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(37,99,235,0.1); }
.srv-icon {
  width: 54px; height: 54px; border-radius: 14px;
  background: rgba(37,99,235,0.1); display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.srv-icon svg { width: 26px; height: 26px; stroke: var(--primary); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.srv-name { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.srv-desc { font-size: 0.875rem; color: var(--text-lt); line-height: 1.75; }

/* ── DEMO ── */
.demo { background: var(--white); }
.demo-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 30px; }
.demo-card {
  border: 1.5px solid var(--border); border-radius: 22px;
  overflow: hidden; transition: all 0.3s;
}
.demo-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: 0 16px 52px rgba(37,99,235,0.13); }
.demo-preview {
  height: 230px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.demo-preview-1 { background: linear-gradient(135deg, #071228 0%, #0f2147 100%); }
.demo-preview-2 { background: linear-gradient(135deg, #071a0a 0%, #0d2e12 100%); }
.demo-preview-3 { background: linear-gradient(135deg, #160a2e 0%, #261050 100%); }
.demo-preview-4 { background: linear-gradient(135deg, #1a0e00 0%, #2e1f00 100%); }
/* overlay "in sviluppo" */
.preview-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.38);
  display: flex; align-items: center; justify-content: center;
}
.wip-pill {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.85); padding: 7px 18px; border-radius: 100px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.07em;
  display: flex; align-items: center; gap: 8px; text-transform: uppercase;
}
.wip-dot { width: 7px; height: 7px; border-radius: 50%; background: #F59E0B; animation: pulse 2s infinite; }

/* mockup inside preview */
.mockup {
  width: 82%; background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1); border-radius: 10px;
  padding: 14px; position: relative;
}
.mockup-topbar { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; }
.dot { width: 7px; height: 7px; border-radius: 50%; }
.dot-r { background: #FF5F57; }
.dot-y { background: #FFBD2E; }
.dot-g { background: #28C840; }
.mockup-title { font-size: 0.65rem; color: rgba(255,255,255,0.35); font-weight: 600; margin-left: 6px; letter-spacing: 0.04em; }
.mockup-row {
  height: 7px; border-radius: 4px; margin-bottom: 7px;
  background: rgba(255,255,255,0.08);
}
.mockup-row.wide { width: 100%; }
.mockup-row.mid  { width: 70%; }
.mockup-row.sm   { width: 45%; }
.mockup-row.accent  { background: rgba(37,99,235,0.5); }
.mockup-row.accent2 { background: rgba(6,182,212,0.4); }
.mockup-row.green   { background: rgba(34,197,94,0.4); }
.mockup-row.purple  { background: rgba(124,58,237,0.5); }
.mockup-row.amber   { background: rgba(245,158,11,0.5); }
.mockup-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.mockup-mini {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px; padding: 8px;
}
.mockup-mini-dot { width: 20px; height: 20px; border-radius: 50%; margin-bottom: 6px; }
.mockup-mini-dot.blue   { background: rgba(37,99,235,0.7); }
.mockup-mini-dot.green  { background: rgba(34,197,94,0.6); }
.mockup-mini-dot.purple { background: rgba(124,58,237,0.7); }
.mockup-mini-dot.amber  { background: rgba(245,158,11,0.7); }
.mockup-mini-line { height: 5px; border-radius: 3px; background: rgba(255,255,255,0.1); margin-top: 4px; }
.mockup-mini-line.half { width: 60%; }

.demo-badge {
  position: absolute; top: 14px; right: 14px;
  background: var(--primary); color: #fff;
  padding: 4px 12px; border-radius: 100px;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em;
}
.demo-badge.green-badge  { background: #16A34A; }
.demo-badge.purple-badge { background: #7C3AED; }
.demo-badge.amber-badge  { background: #B45309; }
.demo-body { padding: 26px 28px 28px; }
.demo-name { font-size: 1.25rem; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.demo-desc { font-size: 0.875rem; color: var(--text-lt); line-height: 1.75; margin-bottom: 18px; }
.demo-feats { list-style: none; display: flex; flex-direction: column; gap: 7px; margin-bottom: 24px; }
.demo-feats li {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.85rem; color: var(--text);
}
.feat-dot { width: 18px; height: 18px; min-width: 18px; border-radius: 50%; background: rgba(37,99,235,0.12); display: flex; align-items: center; justify-content: center; }
.feat-dot svg { width: 10px; height: 10px; stroke: var(--primary); fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.demo-link {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary); color: #fff; padding: 11px 22px;
  border-radius: 9px; text-decoration: none; font-weight: 700; font-size: 0.875rem;
  transition: all 0.2s;
}
.demo-link:hover { background: var(--primary-dk); transform: translateX(3px); }
.demo-link svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.demo-link.demo-link-alt { background: #16A34A; }
.demo-link.demo-link-alt:hover { background: #15803D; }
.demo-link.demo-link-req {
  background: transparent; color: var(--primary);
  border: 2px solid var(--primary);
}
.demo-link.demo-link-req:hover { background: var(--primary); color: #fff; }
.demo-note {
  margin-top: 12px; font-size: 0.78rem; color: var(--text-lt);
  display: flex; align-items: center; gap: 6px;
}
.demo-note svg { width: 13px; height: 13px; stroke: var(--text-lt); fill:none; stroke-width:2; stroke-linecap:round; }

/* ── DEMO SEPARATOR ── */
.demo-sep {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 18px;
  padding: 8px 0 4px;
}
.demo-sep::before, .demo-sep::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}
.demo-sep-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 700; color: var(--text-lt);
  text-transform: uppercase; letter-spacing: 0.07em; white-space: nowrap;
}
.demo-sep-dot { width: 7px; height: 7px; border-radius: 50%; background: #F59E0B; animation: pulse 2s infinite; }

/* ── ABOUT ── */
.about { background: var(--dark); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-logo-box { display: flex; align-items: center; justify-content: center; }
.about-logo-ring {
  width: 260px; height: 260px;
  border: 1.5px solid rgba(37,99,235,0.3); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.about-logo-ring::before {
  content:''; position:absolute; inset:12px;
  border: 1px solid rgba(37,99,235,0.15); border-radius: 50%;
}
.about-logo-ring img { width: 130px; }
.about .tag { background: rgba(6,182,212,0.12); color: var(--accent); }
.about .s-title { color: #fff; }
.about .s-sub { color: rgba(255,255,255,0.55); max-width: 100%; }
.about-pts { display: flex; flex-direction: column; gap: 18px; margin-top: 30px; }
.about-pt { display: flex; gap: 14px; }
.about-pt-icon {
  width: 38px; height: 38px; min-width: 38px;
  background: rgba(37,99,235,0.18); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.about-pt-icon svg { width: 18px; height: 18px; stroke: var(--primary-lt); fill:none; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.about-pt-text h4 { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 3px; }
.about-pt-text p { font-size: 0.82rem; color: rgba(255,255,255,0.5); line-height: 1.6; }

/* ── CONTACT ── */
.contact { background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px; align-items: start; }
.contact-info-title { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 20px; }
.cinfo-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.cinfo-icon {
  width: 40px; height: 40px; min-width: 40px;
  background: rgba(37,99,235,0.1); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.cinfo-icon svg { width: 18px; height: 18px; stroke: var(--primary); fill:none; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.cinfo-label { font-size: 0.75rem; color: var(--text-lt); margin-bottom: 2px; font-weight: 500; }
.cinfo-val { font-size: 0.92rem; font-weight: 600; color: var(--text); text-decoration: none; }
.cinfo-val:hover { color: var(--primary); }
.contact-promise {
  margin-top: 32px; background: rgba(37,99,235,0.07);
  border: 1px solid rgba(37,99,235,0.18); border-radius: 14px;
  padding: 20px;
}
.contact-promise p { font-size: 0.82rem; color: var(--text-lt); line-height: 1.65; }
.contact-promise strong { color: var(--primary); }
.cform {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: 22px; padding: 40px;
}
.form-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fg { margin-bottom: 18px; }
.fg label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text); margin-bottom: 7px; }
.fg label .req { color: var(--primary); margin-left: 2px; }
.fg input:not([type="checkbox"]), .fg select, .fg textarea {
  width: 100%; padding: 11px 15px;
  border: 1.5px solid var(--border); border-radius: 9px;
  font-size: 0.88rem; font-family: 'Inter', sans-serif; color: var(--text);
  background: var(--white); transition: border-color 0.2s, box-shadow 0.2s; outline: none;
  appearance: none; -webkit-appearance: none;
}
.fg input:not([type="checkbox"]):focus, .fg select:focus, .fg textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.fg textarea { resize: vertical; min-height: 120px; }
.fg select { cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2364748B' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 18px; padding-right: 36px; }
.fg-check { display: flex; gap: 10px; align-items: flex-start; margin-top: 4px; }
.fg-check input[type="checkbox"] { width: 17px; height: 17px; min-width: 17px; margin-top: 2px; accent-color: var(--primary); cursor: pointer; }
.fg-check label { font-size: 0.8rem; color: var(--text-lt); line-height: 1.55; cursor: pointer; }
.fg-check a { color: var(--primary); text-decoration: none; }
.fg-check a:hover { text-decoration: underline; }
.btn-send {
  width: 100%; margin-top: 22px; padding: 15px;
  background: var(--primary); color: #fff; border: none;
  border-radius: 10px; font-size: 0.95rem; font-weight: 700;
  font-family: 'Inter', sans-serif; cursor: pointer; transition: all 0.2s;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-send:hover { background: var(--primary-dk); transform: translateY(-1px); box-shadow: 0 8px 28px rgba(37,99,235,0.4); }
.btn-send:disabled { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-send svg { width: 18px; height: 18px; stroke: currentColor; fill:none; stroke-width:2; stroke-linecap:round; }
.form-msg {
  margin-top: 14px; padding: 13px 16px; border-radius: 10px;
  font-size: 0.875rem; font-weight: 500; display: none;
}
.form-msg.ok  { display:block; background:rgba(16,185,129,0.1); color:#059669; border:1px solid rgba(16,185,129,0.25); }
.form-msg.err { display:block; background:rgba(239,68,68,0.1);  color:#DC2626; border:1px solid rgba(239,68,68,0.2); }
#spinner { display: none; }
.btn-send.loading #spinner { display: inline-block; }
.btn-send.loading .btn-txt { display: none; }
.spinner-ring {
  width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── FOOTER ── */
.footer { background: var(--dark); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-logo { height: auto; width: 180px; max-width: 100%; margin-bottom: 16px; }
.footer-brand p { font-size: 0.83rem; color: rgba(255,255,255,0.42); line-height: 1.7; max-width: 280px; }
.footer-col h5 { font-size: 0.78rem; font-weight: 700; color: rgba(255,255,255,0.85); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 14px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 0.84rem; color: rgba(255,255,255,0.45); text-decoration: none; transition: color 0.2s; }
.footer-col ul a:hover { color: rgba(255,255,255,0.85); }
.footer-divider { border: none; border-top: 1px solid rgba(255,255,255,0.07); margin-bottom: 22px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.78rem; color: rgba(255,255,255,0.35); }
.footer-bottom a { font-size: 0.78rem; color: rgba(255,255,255,0.35); text-decoration: none; }
.footer-bottom a:hover { color: rgba(255,255,255,0.65); }

/* ── ANIMATIONS ── */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-up.in { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .srv-grid { grid-template-columns: repeat(2,1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding-top: 110px; text-align: center; }
  .hero-visual { order: -1; }
  .hero-card { width: 340px; height: 185px; }
  .hero-card img { width: 310px; }
  .hero-btns { justify-content: center; }
  .stats-inner { grid-template-columns: 1fr; gap: 0; }
  .stat { padding: 22px 0; border-right: none; }
  .stat::after { display: none; }
  .stat:not(:last-child) { border-bottom: 1px solid rgba(255,255,255,0.07); }
  .srv-grid { grid-template-columns: 1fr; }
  .demo-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .form-row2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .about-logo-ring { width: 200px; height: 200px; }
  .about-logo-ring img { width: 100px; filter: none; }
}