/* ============================================================
   SurfaceSoft Inc. — styles.css
   ============================================================ */

:root {
  --bg: #07090f;
  --bg-soft: #0b0f1a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #eef1f8;
  --text-dim: #9aa3b5;
  --accent: #7c6cff;
  --accent-2: #22d3ee;
  --accent-grad: linear-gradient(100deg, #7c6cff 0%, #22d3ee 100%);
  --green: #34d399;
  --red: #fb7185;
  --radius: 18px;
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(124, 108, 255, 0.45); color: #fff; }

img, svg { display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(1160px, 92%);
  margin-inline: auto;
}
.container.narrow { width: min(820px, 92%); }

/* ---------- Animated background ---------- */
.bg-orbs {
  position: fixed; inset: 0; z-index: -2; pointer-events: none; overflow: hidden;
}
.orb {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.35;
  animation: drift 26s ease-in-out infinite alternate;
}
.orb-1 { width: 520px; height: 520px; background: #4c3fd4; top: -140px; left: -120px; }
.orb-2 {
  width: 460px; height: 460px; background: #0e7490; top: 30%; right: -160px;
  animation-delay: -8s; animation-duration: 32s;
}
.orb-3 {
  width: 380px; height: 380px; background: #6d28d9; bottom: -140px; left: 30%;
  animation-delay: -16s; animation-duration: 38s;
}
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(60px, 40px) scale(1.15); }
}

#particles {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.55;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 12px;
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  cursor: pointer; border: none; transition: transform .2s ease, box-shadow .25s ease, background .25s ease;
}
.btn-primary {
  background: var(--accent-grad); color: #fff;
  box-shadow: 0 8px 30px rgba(124, 108, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(34, 211, 238, 0.35); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover { background: rgba(255,255,255,0.06); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  padding: 18px 0; transition: all .3s ease;
}
.navbar.scrolled {
  padding: 12px 0;
  background: rgba(7, 9, 15, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }

.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  display: grid; place-items: center; width: 36px; height: 36px;
  background: var(--accent-grad); border-radius: 10px; color: #fff;
  box-shadow: 0 4px 18px rgba(124,108,255,.4);
}
.logo-text {
  font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em;
}
.logo-text span {
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.nav-links {
  display: flex; align-items: center; gap: 30px; list-style: none;
}
.nav-links a:not(.btn) {
  font-size: 0.92rem; font-weight: 500; color: var(--text-dim);
  transition: color .2s ease; position: relative;
}
.nav-links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--accent-grad); border-radius: 2px; transition: width .25s ease;
}
.nav-links a:not(.btn):hover { color: var(--text); }
.nav-links a:not(.btn):hover::after { width: 100%; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px; z-index: 60;
}
.nav-toggle span {
  width: 24px; height: 2px; background: var(--text); border-radius: 2px;
  transition: all .3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: 170px 0 80px; position: relative; }
.hero-inner {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 56px; align-items: center;
}

.badge {
  display: inline-block; padding: 8px 16px; border-radius: 999px;
  font-size: 0.82rem; font-weight: 600;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.3);
  color: var(--green); margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  font-weight: 800; line-height: 1.14; letter-spacing: -0.03em; margin-bottom: 22px;
}
.gradient-text {
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { font-size: 1.08rem; color: var(--text-dim); max-width: 54ch; margin-bottom: 32px; }
.lead strong { color: var(--text); }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 30px; }

.hero-points {
  display: flex; gap: 24px; flex-wrap: wrap; list-style: none;
  font-size: 0.88rem; color: var(--text-dim);
}

/* Privacy card (hero visual) */
.hero-visual { perspective: 1200px; }
.privacy-card {
  background: linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border: 1px solid var(--border-strong);
  border-radius: 20px; overflow: hidden;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 30px 80px rgba(0,0,0,.5), 0 0 60px rgba(124,108,255,.12);
  animation: floaty 7s ease-in-out infinite;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0) rotateX(2deg) rotateY(-2deg); }
  50%      { transform: translateY(-14px) rotateX(2deg) rotateY(-2deg); }
}

.pc-header {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.pc-dot { width: 11px; height: 11px; border-radius: 50%; }
.pc-dot.red { background: #ff5f57; } .pc-dot.yellow { background: #febc2e; } .pc-dot.green { background: #28c840; }
.pc-title { margin-left: 10px; font-size: .8rem; color: var(--text-dim); font-family: monospace; }
.pc-lock { margin-left: auto; font-size: .95rem; }

.pc-body { padding: 22px 18px; display: grid; gap: 14px; }
.chat-row { max-width: 82%; animation: pop-in .5s ease both; }
.chat-row.user { justify-self: end; }
.chat-row.ai { justify-self: start; }
.chat-row span {
  display: inline-block; padding: 11px 16px; border-radius: 14px;
  font-size: .88rem; line-height: 1.5;
}
.chat-row.user span {
  background: var(--accent-grad); color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-row.ai span {
  background: rgba(255,255,255,.07); border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}
@keyframes pop-in { from { opacity: 0; transform: translateY(12px) scale(.96); } to { opacity: 1; transform: none; } }

.chat-row.typing span {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-dim); opacity: .5; padding: 0;
  animation: blink 1.2s infinite;
}
.chat-row.typing span:nth-child(2) { animation-delay: .2s; }
.chat-row.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%,80%,100% { opacity:.25; } 40% { opacity:.9; } }

.pc-footer {
  padding: 13px 18px; border-top: 1px solid var(--border);
  background: rgba(52,211,153,.06);
}
.shield-line {
  display: flex; align-items: center; gap: 10px;
  font-size: .8rem; font-weight: 600; color: var(--green);
}
.pulse-dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 0 0 rgba(52,211,153,.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52,211,153,.6); }
  70% { box-shadow: 0 0 0 12px rgba(52,211,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}

/* Stats strip */
.hero-stats {
  margin-top: 72px; padding-top: 36px;
  border-top: 1px solid var(--border);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.stat strong {
  font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800; display: block;
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat small { color: var(--text-dim); font-size: .86rem; }

/* ---------- Sections ---------- */
.section { padding: 110px 0; position: relative; }
.section-alt {
  background:
    radial-gradient(ellipse at top, rgba(124,108,255,.07), transparent 55%),
    var(--bg-soft);
  border-block: 1px solid var(--border);
}

.section-head { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.kicker {
  display: inline-block; font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .16em; margin-bottom: 14px;
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-head h2 {
  font-family: var(--font-display); font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 800; letter-spacing: -.02em; margin-bottom: 16px;
}
.section-head p { color: var(--text-dim); }

h2 { font-family: var(--font-display); }

/* ---------- Compare (cloud vs local) ---------- */
.compare-grid {
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 28px; align-items: stretch; margin-bottom: 90px;
}
.vs {
  align-self: center; font-family: var(--font-display); font-weight: 800;
  font-size: 1.1rem; color: var(--text-dim);
  width: 58px; height: 58px; display: grid; place-items: center;
  border-radius: 50%; border: 1px dashed var(--border-strong);
  background: rgba(255,255,255,.04);
}
.compare-card {
  border-radius: var(--radius); padding: 36px;
  border: 1px solid var(--border); background: var(--bg-card);
  transition: transform .3s ease, border-color .3s ease;
}
.compare-card:hover { transform: translateY(-4px); }
.compare-card.cloud { border-color: rgba(251,113,133,.25); }
.compare-card.highlight {
  background:
    linear-gradient(160deg, rgba(124,108,255,.12), rgba(34,211,238,.06));
  border-color: rgba(124,108,255,.45);
  box-shadow: 0 20px 60px rgba(124,108,255,.15);
}
.cc-icon {
  font-size: 2.2rem; width: 66px; height: 66px; display: grid; place-items: center;
  background: rgba(255,255,255,.06); border-radius: 16px; margin-bottom: 20px;
}
.compare-card h3 { font-family: var(--font-display); font-size: 1.25rem; margin-bottom: 12px; }
.compare-card p { color: var(--text-dim); font-size: .95rem; margin-bottom: 20px; }
.cons li, .pros li {
  list-style: none; font-size: .92rem; padding: 7px 0 7px 28px; position: relative;
}
.cons li::before { content: "✕"; position: absolute; left: 0; color: var(--red); font-weight: 700; }
.pros li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }

/* ---------- Steps ---------- */
.steps {
  display: flex; align-items: stretch; gap: 18px; justify-content: center;
}
.step {
  flex: 1; max-width: 320px; text-align: center;
  padding: 34px 26px; border-radius: var(--radius);
  background: var(--bg-card); border: 1px solid var(--border);
  transition: transform .3s ease, border-color .3s ease;
}
.step:hover { transform: translateY(-6px); border-color: rgba(124,108,255,.4); }
.step-num {
  display: inline-grid; place-items: center; width: 46px; height: 46px;
  border-radius: 14px; font-family: var(--font-display); font-weight: 800;
  background: var(--accent-grad); color: #fff; margin-bottom: 18px;
  box-shadow: 0 6px 22px rgba(124,108,255,.4);
}
.step h4 { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 10px; }
.step p { font-size: .9rem; color: var(--text-dim); }
.step-arrow {
  align-self: center; color: var(--accent); font-size: 1.6rem; font-weight: 300;
}

/* ---------- Services ---------- */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service-card {
  position: relative; padding: 34px 30px; border-radius: var(--radius);
  background: var(--bg-card); border: 1px solid var(--border);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(124,108,255,.5);
  box-shadow: 0 24px 60px rgba(124,108,255,.14);
}
.service-card.featured {
  background:
    linear-gradient(165deg, rgba(124,108,255,.16), rgba(34,211,238,.07));
  border-color: rgba(124,108,255,.5);
}
.tag {
  position: absolute; top: -13px; left: 28px;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  padding: 6px 14px; border-radius: 999px;
  background: var(--accent-grad); color: #fff;
  box-shadow: 0 6px 20px rgba(124,108,255,.45);
}
.sc-icon {
  font-size: 1.9rem; width: 60px; height: 60px; display: grid; place-items: center;
  background: rgba(255,255,255,.07); border: 1px solid var(--border);
  border-radius: 15px; margin-bottom: 20px;
}
.service-card h3 { font-family: var(--font-display); font-size: 1.12rem; margin-bottom: 10px; }
.service-card > p { color: var(--text-dim); font-size: .93rem; margin-bottom: 18px; }
.service-card ul { list-style: none; }
.service-card ul li {
  font-size: .88rem; color: var(--text-dim);
  padding: 6px 0 6px 26px; position: relative;
}
.service-card ul li::before {
  content: "✓"; position: absolute; left: 0; color: var(--accent-2); font-weight: 700;
}

/* ---------- Why us ---------- */
.why-grid {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: start;
}
.why-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.2vw, 2.3rem);
  font-weight: 800; letter-spacing: -.02em; margin-bottom: 18px;
}
.why-copy > p { color: var(--text-dim); margin-bottom: 40px; max-width: 56ch; }

.trust-list { display: grid; gap: 22px; }
.trust-item { display: flex; gap: 18px; align-items: flex-start; }
.ti-icon {
  flex-shrink: 0; font-size: 1.3rem; width: 52px; height: 52px;
  display: grid; place-items: center; border-radius: 14px;
  background: rgba(124,108,255,.12); border: 1px solid rgba(124,108,255,.3);
}
.trust-item strong { font-family: var(--font-display); font-size: 1rem; display: block; margin-bottom: 4px; }
.trust-item p { font-size: .9rem; color: var(--text-dim); }

.quote-card {
  position: sticky; top: 110px;
  padding: 40px 36px; border-radius: 22px;
  background:
    linear-gradient(165deg, rgba(124,108,255,.14), rgba(34,211,238,.05)),
    var(--bg-card);
  border: 1px solid rgba(124,108,255,.35);
  box-shadow: 0 30px 80px rgba(0,0,0,.4);
}
.qc-badge {
  width: 48px; height: 48px; display: grid; place-items: center;
  border-radius: 50%; background: var(--accent-grad);
  font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 24px;
}
.quote-card blockquote {
  font-size: 1.02rem; line-height: 1.7; margin-bottom: 12px;
  color: #dfe4f0;
}
.quote-card cite {
  display: block; font-style: normal; font-size: .84rem;
  color: var(--text-dim); margin-bottom: 26px;
}
.qc-divider {
  height: 1px; background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  margin: 0 0 26px;
}

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 14px; }
.faq {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 0; overflow: hidden;
  transition: border-color .25s ease;
}
.faq[open] { border-color: rgba(124,108,255,.45); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px;
  font-family: var(--font-display); font-weight: 600; font-size: .98rem;
}
.faq summary::-webkit-details-marker { display: none; }
.chev { transition: transform .3s ease; color: var(--accent); font-weight: 400; }
.faq[open] .chev { transform: rotate(180deg); }
.faq p {
  padding: 0 24px 22px; color: var(--text-dim); font-size: .93rem;
  animation: faq-open .3s ease;
}
@keyframes faq-open { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; } }

/* ---------- Contact ---------- */
.contact-section {
  background:
    radial-gradient(ellipse at bottom, rgba(34,211,238,.09), transparent 60%),
    var(--bg-soft);
  border-top: 1px solid var(--border);
}
.contact-grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 60px; align-items: start;
}
.contact-copy h2 {
  font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800; letter-spacing: -.02em; margin-bottom: 16px;
}
.contact-copy > p { color: var(--text-dim); margin-bottom: 30px; }
.contact-highlights { list-style: none; display: grid; gap: 14px; margin-bottom: 36px; }
.contact-highlights li { display: flex; gap: 12px; align-items: center; font-size: .94rem; }
.contact-highlights span { font-size: 1.15rem; }

.contact-direct {
  padding: 22px 26px; border-radius: 16px;
  background: var(--bg-card); border: 1px solid var(--border);
  font-size: .92rem; color: var(--text-dim);
}
.contact-direct p + p { margin-top: 6px; }
.contact-direct strong { color: var(--text); font-family: var(--font-display); }

.contact-form {
  position: relative;
  padding: 42px 40px; border-radius: 22px;
  background: rgba(255,255,255,.035);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 30px 90px rgba(0,0,0,.45);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 20px; display: flex; flex-direction: column; }
.field label {
  font-size: .85rem; font-weight: 600; margin-bottom: 8px;
  font-family: var(--font-display);
}
.field input, .field textarea {
  width: 100%; padding: 13px 16px;
  background: rgba(0,0,0,.3);
  border: 1px solid var(--border-strong); border-radius: 11px;
  color: var(--text); font-family: var(--font-body); font-size: .93rem;
  outline: none; transition: border-color .25s ease, box-shadow .25s ease;
  resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: #5a6275; }
.field input:focus, .field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,108,255,.22);
}
.field.invalid input, .field.invalid textarea { border-color: var(--red); }

.error-msg { color: var(--red); font-size: .78rem; margin-top: 6px; min-height: 0; display: none; }
.error-msg.show { display: block; }

.interest-chips { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.chip input { display: none; }
.chip span {
  display: flex; align-items: center; justify-content: center; text-align: center;
  padding: 12px 10px; border-radius: 11px; font-size: .85rem; font-weight: 500;
  background: rgba(0,0,0,.3); border: 1px solid var(--border-strong);
  cursor: pointer; user-select: none;
  transition: all .22s ease;
}
.chip span:hover { border-color: var(--accent); }
.chip input:checked + span {
  background: linear-gradient(160deg, rgba(124,108,255,.28), rgba(34,211,238,.14));
  border-color: var(--accent); color: #fff;
}

.form-note {
  margin-top: 16px; text-align: center; font-size: .78rem; color: var(--text-dim);
}

.form-success {
  position: absolute; inset: 0; z-index: 5;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 40px;
  background: rgba(11, 15, 26, .97); border-radius: 22px;
  animation: pop-in .45s ease both;
}
.form-success.hidden { display: none; }
.fs-icon { font-size: 3rem; margin-bottom: 14px; }
.form-success h3 { font-family: var(--font-display); font-size: 1.4rem; margin-bottom: 10px; }
.form-success p { color: var(--text-dim); max-width: 40ch; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); background: #05070c; padding: 70px 0 30px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 44px; border-bottom: 1px solid var(--border);
}
.footer-brand p { color: var(--text-dim); font-size: .88rem; margin-top: 16px; max-width: 30ch; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h5 {
  font-family: var(--font-display); font-size: .82rem;
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: 8px; color: var(--text);
}
.footer-col a, .footer-col span { color: var(--text-dim); font-size: .89rem; transition: color .2s; }
.footer-col a:hover { color: var(--accent-2); }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding-top: 28px; font-size: .8rem; color: #616a7d;
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .24s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-copy { text-align: center; }
  .lead { margin-inline: auto; }
  .hero-actions, .hero-points { justify-content: center; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid, .contact-grid { grid-template-columns: 1fr; }
  .quote-card { position: static; }
  .compare-grid { grid-template-columns: 1fr; }
  .vs { justify-self: center; }
  .steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); }
  .step { max-width: 480px; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: 0;
    background: rgba(7,9,15,.97);
    backdrop-filter: blur(20px);
    flex-direction: column; justify-content: center;
    gap: 34px; font-size: 1.1rem;
    opacity: 0; visibility: hidden; transition: all .35s ease;
  }
  .nav-links.open { opacity: 1; visibility: visible; }
  .services-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .interest-chips { grid-template-columns: 1fr; }
  .contact-form { padding: 30px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .section { padding: 80px 0; }
  .hero { padding-top: 130px; }
}