/* ══════════════════════════════════════════════
   NEROSIS — DESIGN SYSTEM v5
   Açık tema · #1a2d5a lacivert + #4ab8d8 cyan
   Raleway + Inter
   ══════════════════════════════════════════════ */

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

:root {
  --navy:        #0982fb;
  --navy2:       #1a2d5a;
  --navy-mid:    #243870;
  --navy-light:  #2e4a8a;
  --cyan:        #4ab8d8;
  --cyan-light:  #6ecde8;
  --cyan-pale:   #e8f7fc;
  --cyan-dim:    rgba(74,184,216,0.12);

  --bg:          #f5f7fa;
  --bg-2:        #eef1f7;
  --surface:     #ffffff;
  --surface-2:   #f9fafc;

  --border:      rgba(26,45,90,0.10);
  --border-mid:  rgba(26,45,90,0.16);
  --border-cyan: rgba(74,184,216,0.30);

  --text:        #0f1d3a;
  --text-2:      #2a3a5c;
  --text-muted:  #64748b;
  --text-light:  #94a3b8;

  --shadow-xs:   0 1px 3px rgba(26,45,90,0.06);
  --shadow-sm:   0 2px 12px rgba(26,45,90,0.08);
  --shadow:      0 6px 28px rgba(26,45,90,0.10);
  --shadow-lg:   0 16px 56px rgba(26,45,90,0.13);
  --shadow-navy: 0 8px 28px rgba(26,45,90,0.28);
  --shadow-cyan: 0 8px 28px rgba(74,184,216,0.28);

  --r:    10px;
  --r-lg: 16px;
  --r-xl: 24px;

  --icon-color: #0982fb;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ─── NAV ─── */
.main-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 60px; height: 70px;
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  transition: background 0.3s, box-shadow 0.3s;
}
.main-nav.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: var(--shadow-sm);
}
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo img { height: 38px; width: auto; }
.nav-links { display: flex; gap: 0; }
.nav-links a {
  color: var(--text-muted); text-decoration: none;
  font-size: 0.85rem; font-weight: 500;
  padding: 8px 16px; border-radius: 8px;
  transition: all 0.18s;
}
.nav-links a:hover { color: var(--navy); background: var(--cyan-dim); }
.nav-links a.active { color: var(--navy); font-weight: 600; }
.nav-cta {
  background: var(--icon-color);
  color: white; padding: 9px 22px; border-radius: var(--r);
  font-family: 'Raleway', sans-serif;
  font-weight: 700; font-size: 0.84rem; letter-spacing: 0.02em;
  text-decoration: none; transition: all 0.22s;
  box-shadow: var(--shadow-navy);
}
.nav-cta:hover { background: var(--navy-mid); transform: translateY(-1px); box-shadow: 0 10px 32px rgba(26,45,90,0.36); }

/* ─── NAV DROPDOWN ─── */
.nav-dropdown { position: relative; }
.nav-dropdown > .nav-drop-btn {
  display: flex; align-items: center; gap: 5px;
  color: var(--text-muted); text-decoration: none;
  font-size: 0.85rem; font-weight: 500;
  padding: 8px 16px; border-radius: 8px;
  transition: all 0.18s; cursor: pointer;
  background: none; border: none; font-family: inherit;
}
.nav-dropdown:hover > .nav-drop-btn,
.nav-dropdown > .nav-drop-btn.active { color: var(--icon-color); background: var(--cyan-dim); }
.nav-drop-btn.active { font-weight: 600; }
.nav-drop-arrow {
  width: 14px; height: 14px;
  transition: transform 0.25s;
  flex-shrink: 0;
}
.nav-dropdown:hover .nav-drop-arrow { transform: rotate(180deg); }
.nav-drop-menu {
  position: absolute; top: calc(100% + 10px); left: 50%;
  transform: translateX(-50%) translateY(-8px);
  width: 720px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 24px 64px rgba(26,45,90,0.14);
  padding: 20px;
  opacity: 0; visibility: hidden;
  transition: opacity 0.22s, transform 0.22s, visibility 0.22s;
  pointer-events: none;
  z-index: 999;
}
.nav-drop-menu::before {
  content: ''; position: absolute;
  top: -14px; left: 0; right: 0; height: 14px;
}
.nav-dropdown:hover .nav-drop-menu {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* group label */
.ndm-group-label {
  font-family: 'Raleway', sans-serif;
  font-size: 0.58rem; font-weight: 800; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-muted);
  margin: 0 0 8px 4px; display: block;
}

/* card grid */
.ndm-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 6px;
}
.ndm-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 6px;
}

/* card */
.nav-drop-menu a {
  display: flex; flex-direction: column; gap: 3px;
  padding: 10px 12px; border-radius: 12px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}
.nav-drop-menu a:hover {
  background: var(--cyan-dim);
  border-color: rgba(74,184,216,0.22);
}
.ndm-card-icon {
  font-size: 1.1rem; margin-bottom: 2px;
  line-height: 1;
}
.ndm-card-title {
  font-family: 'Raleway', sans-serif;
  font-size: 0.78rem; font-weight: 700; color: var(--navy2);
  line-height: 1.2;
}
.ndm-card-desc {
  font-size: 0.68rem; color: var(--text-muted);
  font-weight: 400; line-height: 1.4;
}
.nav-drop-menu a:hover .ndm-card-title { color: var(--blue); }

.nav-drop-divider {
  height: 1px; background: var(--border);
  margin: 12px 0;
}

/* ─── PAGE HEADER ─── */
.page-header {
  padding: 150px 60px 90px;
  text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(160deg, #fff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}
.page-header::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(74,184,216,0.14) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(26,45,90,0.05) 0%, transparent 55%);
}
.page-header-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(74,184,216,0.18) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 70% 90% at 50% 50%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 50% 50%, black 0%, transparent 70%);
}
.page-header-inner { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
.page-header-badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--cyan-dim); border: 1px solid var(--border-cyan);
  padding: 5px 16px; border-radius: 50px;
  font-family: 'Raleway', sans-serif;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
  color: var(--navy); text-transform: uppercase; margin-bottom: 20px;
}
.page-header h1 {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 900;
  line-height: 1.12; letter-spacing: -0.02em; color: var(--text); margin-bottom: 18px;
}
.page-header h1 .grad {
  background: linear-gradient(135deg, var(--navy) 0%, var(--cyan) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.page-header p { font-size: 1rem; line-height: 1.75; color: var(--text-muted); max-width: 520px; margin: 0 auto; }

/* ─── SECTION BASE ─── */
section { position: relative; padding: 100px 60px; }
.inner { max-width: 1160px; margin: 0 auto; }

.section-label {
  font-family: 'Raleway', sans-serif;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--cyan);
  margin-bottom: 10px; display: block;
}
.section-title {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(1.7rem, 2.8vw, 2.6rem);
  font-weight: 900; line-height: 1.15; letter-spacing: -0.02em; color: var(--text);
}
.section-title .grad {
  background: linear-gradient(135deg, var(--navy) 0%, var(--cyan) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.section-sub { color: var(--text-muted); font-size: 0.97rem; line-height: 1.75; margin-top: 14px; max-width: 540px; }
.section-center { text-align: center; }
.section-center .section-sub { margin: 14px auto 0; }

.gold-divider {
  height: 3px; width: 44px; margin: 18px auto;
  background: linear-gradient(90deg, var(--navy), var(--cyan));
  border-radius: 3px;
}
.gold-divider.left { margin-left: 0; }

/* ─── IMAGE PLACEHOLDER ─── */
.img-placeholder {
  background: linear-gradient(135deg, var(--cyan-pale) 0%, #ddeef5 100%);
  border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  border: 1px solid var(--border-cyan);
}
.img-placeholder::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 30% 30%, rgba(255,255,255,0.5) 0%, transparent 55%),
    radial-gradient(ellipse 40% 40% at 75% 70%, rgba(74,184,216,0.10) 0%, transparent 50%);
}
.img-placeholder::after {
  content: attr(data-label);
  position: relative; z-index: 1;
  font-family: 'Raleway', sans-serif;
  font-size: 0.72rem; font-weight: 700; color: rgba(74,184,216,0.65);
  letter-spacing: 0.12em; text-transform: uppercase;
}
.img-ph-hero    { width: 100%; aspect-ratio: 16/9; min-height: 300px; }
.img-ph-feature { width: 100%; aspect-ratio: 4/3; }
.img-ph-square  { width: 100%; aspect-ratio: 1/1; }
.img-ph-card    { width: 100%; height: 160px; }
.img-ph-tall    { width: 100%; aspect-ratio: 3/4; }

/* ─── BUTTONS ─── */
.btn-primary {
  background: var(--navy); color: white;
  border: none; padding: 13px 30px; border-radius: var(--r);
  font-family: 'Raleway', sans-serif;
  font-weight: 700; font-size: 0.88rem; letter-spacing: 0.02em;
  cursor: pointer; transition: all 0.22s;
  display: inline-flex; align-items: center; gap: 7px;
  box-shadow: var(--shadow-navy); text-decoration: none;
}
.btn-primary:hover { background: var(--navy-mid); transform: translateY(-2px); box-shadow: 0 10px 32px rgba(26,45,90,0.36); }

.btn-gold {
  background: var(--cyan); color: #000000;
  border: none; padding: 13px 30px; border-radius: var(--r);
  font-family: 'Raleway', sans-serif;
  font-weight: 700; font-size: 0.88rem; letter-spacing: 0.02em;
  cursor: pointer; transition: all 0.22s;
  display: inline-flex; align-items: center; gap: 7px;
  box-shadow: var(--shadow-cyan); text-decoration: none;
}
.btn-gold:hover { background: var(--cyan-light); transform: translateY(-2px); box-shadow: 0 10px 32px rgba(74,184,216,0.40); }

.btn-ghost {
  background: transparent; color: var(--text-2);
  border: 1.5px solid var(--border-mid); padding: 13px 30px;
  border-radius: var(--r); font-family: 'Raleway', sans-serif;
  font-weight: 600; font-size: 0.88rem;
  cursor: pointer; transition: all 0.22s;
  display: inline-flex; align-items: center; gap: 7px;
  text-decoration: none;
}
.btn-ghost:hover { border-color: var(--border-cyan); color: var(--navy); background: var(--cyan-dim); transform: translateY(-2px); }

.btn-outline {
  background: transparent; color: var(--navy);
  border: 1.5px solid var(--border-mid); padding: 13px 30px;
  border-radius: var(--r); font-family: 'Raleway', sans-serif;
  font-weight: 600; font-size: 0.88rem;
  cursor: pointer; transition: all 0.22s;
  display: inline-flex; align-items: center; gap: 7px;
  text-decoration: none;
}
.btn-outline:hover { border-color: var(--cyan); background: var(--cyan-dim); color: var(--navy); transform: translateY(-2px); }

.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-group.center { justify-content: center; }

/* ─── FEATURE CARD ─── */
.feature-card {
  position: relative; padding: 30px 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: all 0.28s cubic-bezier(0.34,1.2,0.64,1);
  box-shadow: var(--shadow-xs); overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--navy), var(--cyan));
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s;
}
.feature-card:hover { border-color: var(--border-cyan); transform: translateY(-6px); box-shadow: var(--shadow); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon-wrap {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--cyan-pale), rgba(74,184,216,0.08));
  font-size: 1.45rem; border: 1px solid var(--border-cyan);
}
.feature-title { font-family: 'Raleway', sans-serif; font-size: 1rem; font-weight: 700; margin-bottom: 9px; color: var(--text); }
.feature-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }
.feature-tag {
  display: inline-flex; margin-top: 18px;
  background: var(--cyan-pale); border: 1px solid var(--border-cyan);
  color: var(--navy); font-size: 0.68rem; font-weight: 700;
  padding: 3px 11px; border-radius: 50px; letter-spacing: 0.06em;
  font-family: 'Raleway', sans-serif; text-transform: uppercase;
}

/* ─── FEATURES GRID ─── */
.features-grid {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 18px; margin-top: 52px;
}

/* ─── HOW IT WORKS ─── */
.sec-how {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.how-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.steps-list { display: flex; flex-direction: column; }
.step-item {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 22px 0; border-bottom: 1px solid var(--border);
}
.step-item:last-child { border-bottom: none; }
.step-num-box {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  font-family: 'Raleway', sans-serif; font-size: 0.78rem; font-weight: 800;
  color: #fff; letter-spacing: 0.05em;
  box-shadow: var(--shadow-navy);
}
.step-title { font-family: 'Raleway', sans-serif; font-size: 0.95rem; font-weight: 700; color: var(--text); margin-bottom: 5px; }
.step-desc { font-size: 0.84rem; color: var(--text-muted); line-height: 1.65; }

/* ─── PROOF ─── */
.sec-proof {
  background: var(--navy2);
  border-top: none;
}
.proof-grid {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 1px; background: rgba(255,255,255,0.08);
  border-radius: var(--r-lg); overflow: hidden; margin-top: 56px;
  border: 1px solid rgba(255,255,255,0.08);
}
.proof-item {
  text-align: center; padding: 42px 16px;
  background: rgba(255,255,255,0.03); transition: background 0.2s;
}
.proof-item:hover { background: rgba(255,255,255,0.07); }
.proof-num {
  font-family: 'Raleway', sans-serif;
  font-size: 2.8rem; font-weight: 900; letter-spacing: -0.04em;
  background: linear-gradient(135deg, #fff, var(--cyan));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}
.proof-label { font-size: 0.79rem; color: rgba(255,255,255,0.40); font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
.sec-proof .section-label { color: var(--cyan-light); }
.sec-proof .section-title { color: #fff; }
.sec-proof .gold-divider { background: linear-gradient(90deg, var(--cyan), var(--cyan-light)); }

/* ─── MODULES ─── */
.sec-modules {
  padding: 110px 60px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.modules-grid {
  display: grid; grid-template-columns: repeat(5,1fr);
  gap: 14px; margin-top: 56px;
}
.module-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 24px 18px 20px;
  text-align: center; transition: all 0.28s cubic-bezier(0.34,1.2,0.64,1);
  box-shadow: var(--shadow-xs); position: relative; overflow: hidden;
}
.module-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--navy), var(--cyan));
  transform: scaleX(0); transform-origin: center; transition: transform 0.3s;
}
.module-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--border-cyan); }
.module-card:hover::after { transform: scaleX(1); }
.module-icon { font-size: 2rem; margin-bottom: 12px; display: block; }
.module-ph { margin: 0 auto 14px; border-radius: 8px; overflow: hidden; }
.module-name { font-family: 'Raleway', sans-serif; font-size: 0.86rem; font-weight: 700; color: var(--text); margin-bottom: 5px; }
.module-desc { font-size: 0.76rem; color: var(--text-muted); line-height: 1.6; }

/* ─── REVIEWS ─── */
.sec-reviews {
  padding: 110px 0 110px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  overflow: hidden;
}
.sec-reviews .inner { padding: 0 60px; }
.reviews-track-wrap {
  margin-top: 56px;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.reviews-track {
  display: flex; gap: 20px;
  width: max-content;
  animation: reviewScroll 42s linear infinite;
}
.reviews-track:hover { animation-play-state: paused; }
@keyframes reviewScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.review-card {
  flex-shrink: 0; width: 320px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 28px 26px;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
  position: relative;
}
.review-card:hover { border-color: var(--border-cyan); box-shadow: var(--shadow); transform: translateY(-4px); }
.review-stars { color: #f59e0b; font-size: 0.88rem; letter-spacing: 1px; margin-bottom: 14px; }
.review-text { font-size: 0.87rem; color: var(--text-2); line-height: 1.75; margin-bottom: 20px; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Raleway', sans-serif; font-weight: 800; font-size: 0.85rem; color: #fff;
  flex-shrink: 0;
}
.review-name { font-family: 'Raleway', sans-serif; font-size: 0.85rem; font-weight: 700; color: var(--text); }
.review-role { font-size: 0.73rem; color: var(--text-light); margin-top: 2px; }
.review-quote-icon {
  position: absolute; top: 18px; right: 22px;
  font-size: 3rem; line-height: 1; color: rgba(74,184,216,0.14);
  font-family: Georgia, serif; pointer-events: none;
}

/* ─── SYSFEATURES ─── */
.sec-sysfeatures {
  padding: 120px 60px;
  position: relative; overflow: hidden;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.sec-sysfeatures::before {
  content: '';
  position: absolute; left: 0; top: 0; width: 90px; height: 100%;
  pointer-events: none; z-index: 0;
  background:
    repeating-linear-gradient(
      180deg,
      transparent 0px, transparent 18px,
      rgba(26,45,90,0.07) 18px, rgba(26,45,90,0.07) 20px,
      transparent 20px, transparent 36px,
      rgba(74,184,216,0.10) 36px, rgba(74,184,216,0.10) 38px
    );
  mask-image: linear-gradient(180deg, transparent, rgba(0,0,0,0.4) 12%, rgba(0,0,0,0.4) 88%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, rgba(0,0,0,0.4) 12%, rgba(0,0,0,0.4) 88%, transparent);
}
.sec-sysfeatures::after {
  content: '';
  position: absolute; right: 0; top: 0; width: 90px; height: 100%;
  pointer-events: none; z-index: 0;
  background:
    repeating-linear-gradient(
      180deg,
      transparent 0px, transparent 24px,
      rgba(74,184,216,0.10) 24px, rgba(74,184,216,0.10) 26px,
      transparent 26px, transparent 46px,
      rgba(26,45,90,0.07) 46px, rgba(26,45,90,0.07) 48px
    );
  mask-image: linear-gradient(180deg, transparent, rgba(0,0,0,0.4) 12%, rgba(0,0,0,0.4) 88%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, rgba(0,0,0,0.4) 12%, rgba(0,0,0,0.4) 88%, transparent);
}
.cable-top-left, .cable-top-right {
  position: absolute; top: 0; pointer-events: none; z-index: 0;
}
.cable-top-left { left: 16px; }
.cable-top-right { right: 16px; transform: scaleX(-1); }
.sec-sysfeatures .inner { position: relative; z-index: 1; }

.sysf-list { display: flex; flex-direction: column; gap: 80px; margin-top: 72px; }
.sysf-item {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.sysf-item.reverse { direction: rtl; }
.sysf-item.reverse > * { direction: ltr; }
.sysf-img-wrap {
  position: relative; border-radius: var(--r-xl); overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-cyan);
}
.sysf-img-wrap .img-placeholder { width: 100%; aspect-ratio: 4/3; border-radius: 0; display: block; }
.sysf-badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--cyan-dim); border: 1px solid var(--border-cyan);
  color: var(--navy); padding: 5px 14px; border-radius: 50px;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.09em;
  text-transform: uppercase; margin-bottom: 20px;
}
.sysf-badge.gold {
  background: rgba(26,45,90,0.07); border-color: rgba(26,45,90,0.18); color: var(--navy-light);
}
.sysf-title {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  font-weight: 900; line-height: 1.22; letter-spacing: -0.02em;
  color: var(--text); margin-bottom: 18px;
}
.sysf-title .hl {
  background: linear-gradient(135deg, var(--navy) 0%, var(--cyan) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.sysf-desc { font-size: 0.92rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 28px; }
.sysf-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.sysf-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-muted); padding: 5px 13px; border-radius: 50px;
  font-size: 0.72rem; font-weight: 500;
}
.sysf-pill::before {
  content: '✓';
  display: inline-flex; align-items: center; justify-content: center;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--cyan-dim); color: var(--cyan);
  font-size: 0.6rem; font-weight: 700;
}
.sysf-connector {
  display: flex; align-items: center; justify-content: center; gap: 12px;
}
.sysf-connector::before, .sysf-connector::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-cyan), transparent);
}
.sysf-connector-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 10px rgba(74,184,216,0.50);
}

/* ─── CTA ─── */
.sec-cta {
  padding: 130px 60px;
  background: var(--navy2);
  text-align: center; position: relative; overflow: hidden;
}
.sec-cta::before {
  content: '';
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 700px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(74,184,216,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.sec-cta::after {
  content: '';
  position: absolute; bottom: -100px; right: -100px;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.05) 0%, transparent 65%);
  pointer-events: none;
}
.sec-cta .inner { position: relative; z-index: 1; }
.sec-cta h2 {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(1.9rem, 3.5vw, 3.2rem); font-weight: 900;
  line-height: 1.1; color: #fff; margin-bottom: 18px; letter-spacing: -0.02em;
}
.sec-cta h2 span {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-light));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.sec-cta p { color: rgba(255,255,255,0.50); font-size: 1rem; line-height: 1.78; margin-bottom: 44px; max-width: 540px; margin-left:auto; margin-right:auto; }
.sec-cta .section-label { color: var(--cyan-light); margin-bottom: 16px; }

/* ─── FOOTER ─── */
footer {
  padding: 44px 60px;
  background: #0d1a35;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer-logo { display: flex; align-items: center; text-decoration: none; }
.footer-logo img { height: 32px; width: auto; filter: brightness(0) invert(1); }
.footer-nav { display: flex; gap: 30px; }
.footer-nav a { color: rgba(255,255,255,0.30); text-decoration: none; font-size: 0.82rem; font-weight: 500; transition: color 0.2s; }
.footer-nav a:hover { color: rgba(255,255,255,0.75); }
.footer-copy { color: rgba(255,255,255,0.18); font-size: 0.78rem; }

/* ─── REVEAL ─── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.75s cubic-bezier(0.22,1,0.36,1), transform 0.75s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible { opacity: 1; transform: none; }

.reveal-left {
  opacity: 0; transform: translateX(-60px);
  transition: opacity 0.75s cubic-bezier(0.22,1,0.36,1), transform 0.75s cubic-bezier(0.22,1,0.36,1);
}
.reveal-left.visible { opacity: 1; transform: none; }

.reveal-right {
  opacity: 0; transform: translateX(60px);
  transition: opacity 0.75s cubic-bezier(0.22,1,0.36,1), transform 0.75s cubic-bezier(0.22,1,0.36,1);
}
.reveal-right.visible { opacity: 1; transform: none; }

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(74,184,216,0.30); border-radius: 4px; }

/* ─── RESPONSIVE ─── */
@media(max-width:1100px) { .modules-grid { grid-template-columns: repeat(3,1fr); } }
@media(max-width:1024px) {
  .main-nav { padding: 0 30px; }
  section { padding: 80px 30px; }
  .page-header { padding: 130px 30px 72px; }
  .sec-modules,.sec-reviews { padding: 80px 30px; }
  .sec-reviews .inner { padding: 0 30px; }
  footer { padding: 36px 30px; }
}
@media(max-width:900px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
  .how-layout { grid-template-columns: 1fr; gap: 40px; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .sysf-item { grid-template-columns: 1fr; gap: 32px; }
  .sysf-item.reverse { direction: ltr; }
  .sec-sysfeatures::before, .sec-sysfeatures::after { display: none; }
}
/* ─── HAMBURGER ─── */
.nav-hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 6px; border-radius: 8px;
  transition: background 0.18s;
}
.nav-hamburger:hover { background: var(--cyan-dim); }
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--navy); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile overlay menu */
.nav-mobile {
  display: none;
  position: fixed; top: 70px; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.99);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(26,45,90,0.12);
  padding: 16px 20px 40px;
  z-index: 999;
  flex-direction: column; gap: 2px;
  backdrop-filter: blur(20px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  color: var(--text-muted); text-decoration: none;
  font-size: 0.92rem; font-weight: 500;
  padding: 11px 16px; border-radius: 10px;
  transition: all 0.15s;
}
.nav-mobile a:hover, .nav-mobile a.active { color: var(--navy); background: var(--cyan-dim); font-weight: 600; }
.nav-mobile-group-label {
  font-family: 'Raleway', sans-serif;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--cyan);
  padding: 14px 16px 4px;
}
.nav-mobile-accordion {
  display: flex; align-items: center; justify-content: space-between;
  font-family: 'Raleway', sans-serif;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--cyan);
  padding: 14px 16px 4px;
  cursor: pointer; user-select: none;
}
.nav-mobile-chevron {
  color: var(--cyan);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}
.nav-mobile-accordion.open .nav-mobile-chevron {
  transform: rotate(180deg);
}
.nav-mobile-divider { height: 1px; background: var(--border); margin: 8px 0; }
.nav-mobile-sub {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}
.nav-mobile-sub.open {
  max-height: 1000px;
}
.nav-mobile-sub a {
  padding-left: 28px;
  font-size: 0.87rem;
}
.nav-mobile-sub-label {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--cyan);
  padding: 10px 16px 2px 16px;
}
.nav-mobile-sub-divider {
  height: 1px; background: var(--border); margin: 6px 16px;
}

@media(max-width:480px) {
  .nav-mobile { padding: 12px 12px 40px; }
  .nav-mobile a { font-size: 0.88rem; padding: 10px 12px; }
  .nav-mobile-sub a { padding-left: 20px; font-size: 0.83rem; }
  .nav-mobile-group-label { font-size: 0.65rem; padding: 12px 12px 4px; }
}

@media(max-width:768px) {
  .main-nav { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-drop-menu { display: none !important; }
  .nav-hamburger { display: flex; }
  .nav-cta { display: none; }
  section { padding: 64px 20px; }
  .page-header { padding: 110px 20px 56px; }
  .sec-modules,.sec-reviews,.sec-sysfeatures { padding: 64px 20px; }
  .sec-reviews .inner { padding: 0 20px; }
  footer { padding: 30px 20px; flex-direction: column; align-items: center; text-align: center; gap: 20px; }
  .footer-nav { justify-content: center; flex-wrap: wrap; gap: 16px; }
  .footer-logo img { height: 28px; }
  .footer-copy { font-size: 0.74rem; }
  .btn-group { flex-direction: column; align-items: center; }
}
@media(max-width:580px) {
  .features-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: repeat(2,1fr); }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .review-card { width: 270px; }
}