/* ============================================================
   HYDROLOGIC — Light Theme
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue-dark:  #03045E;
  --blue-mid:   #023E8A;
  --blue:       #0077B6;
  --blue-lt:    #0096C7;
  --cyan:       #00B4D8;
  --cyan-lt:    #48CAE4;
  --sky:        #90E0EF;

  --bg:         #f5f9fd;
  --bg2:        #edf4fa;
  --card:       #ffffff;
  --card2:      #f0f7fc;
  --text:       #0d1b2a;
  --muted:      #587490;
  --light:      #9ab5cb;
  --border:     rgba(0,119,182,0.12);
  --border2:    rgba(0,119,182,0.22);

  --accent:     #F72585;
  --green:      #06d6a0;
  --warn:       #f59e0b;
  --white:      #ffffff;

  --r-sm: 8px; --r-md: 16px; --r-lg: 24px; --r-xl: 32px;
  --sh-sm: 0 2px 12px rgba(0,119,182,0.08);
  --sh-md: 0 8px 32px rgba(0,119,182,0.12);
  --sh-lg: 0 20px 60px rgba(0,119,182,0.16);
  --t: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); overflow-x: hidden; line-height: 1.6; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 3px; }

/* ── Utils ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.gradient-text {
  background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 70%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: var(--blue); background: rgba(0,119,182,0.08);
  border: 1px solid rgba(0,119,182,0.18);
  padding: 6px 14px; border-radius: 100px; margin-bottom: 18px;
}
.section-header { text-align: center; margin-bottom: 56px; }
.section-title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(30px,3.8vw,50px); font-weight: 700; line-height: 1.15; margin-bottom: 14px; color: var(--text); }
.section-desc { color: var(--muted); font-size: 17px; max-width: 520px; margin: 0 auto; }
.section-cta { text-align: center; margin-top: 40px; }

.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: var(--white); border-radius: var(--r-sm);
  font-weight: 700; font-size: 15px; text-decoration: none;
  transition: all var(--t); border: none; cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,119,182,0.35); }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 28px; background: transparent;
  color: var(--blue); border-radius: var(--r-sm);
  font-weight: 600; font-size: 15px; text-decoration: none;
  border: 1.5px solid var(--border2); transition: all var(--t);
}
.btn-outline:hover { background: rgba(0,119,182,0.06); border-color: var(--blue); transform: translateY(-1px); }

.btn-outline-white {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 28px; background: rgba(255,255,255,0.1);
  color: var(--white); border-radius: var(--r-sm);
  font-weight: 600; font-size: 15px; text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.3); transition: all var(--t);
}
.btn-outline-white:hover { background: rgba(255,255,255,0.2); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; background: rgba(255,255,255,0.12);
  color: var(--white); border-radius: var(--r-sm);
  font-weight: 600; font-size: 15px; text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.28); transition: all var(--t);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.22); transform: translateY(-2px); }
.play-icon { width: 30px; height: 30px; background: rgba(255,255,255,0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 10px; padding-left: 2px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 18px 0; transition: all var(--t);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--sh-sm);
}
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 32px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.logo-icon { width: 34px; height: 34px; }
.logo-text { font-family: 'Space Grotesk', sans-serif; font-size: 21px; font-weight: 700; letter-spacing: -0.5px; }
.navbar:not(.scrolled) .logo-text { color: var(--white); }
.navbar.scrolled .logo-text { color: var(--blue-dark); }

.logo-img { height: 38px; width: auto; display: block; }
.navbar .logo { padding: 4px 10px; border-radius: var(--r-sm); transition: background var(--t); }
.navbar.scrolled .logo { background: var(--blue-dark); }

.nav-links { display: flex; list-style: none; gap: 2px; margin-left: auto; }
.nav-links a {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 13px; border-radius: var(--r-sm);
  text-decoration: none; font-size: 14px; font-weight: 500;
  transition: all var(--t); white-space: nowrap;
}
.navbar:not(.scrolled) .nav-links a { color: rgba(255,255,255,0.88); }
.navbar:not(.scrolled) .nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.1); }
.navbar.scrolled .nav-links a { color: var(--muted); }
.navbar.scrolled .nav-links a:hover { color: var(--blue); background: rgba(0,119,182,0.06); }
.chevron { font-size: 15px; }

.has-dropdown { position: relative; }
.dropdown {
  position: absolute; top: calc(100% + 6px); left: 0;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 6px;
  min-width: 200px; opacity: 0; visibility: hidden;
  transform: translateY(-8px); transition: all var(--t);
  box-shadow: var(--sh-md);
}
.navbar:not(.scrolled) .dropdown { background: rgba(2,31,70,0.97); border-color: rgba(0,180,216,0.15); }
.navbar:not(.scrolled) .dropdown a { color: rgba(255,255,255,0.75) !important; }
.navbar:not(.scrolled) .dropdown a:hover { color: var(--cyan) !important; background: rgba(0,180,216,0.1) !important; }
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { display: block; padding: 10px 14px; border-radius: var(--r-sm); font-size: 14px; text-decoration: none; transition: all var(--t); }
.navbar.scrolled .dropdown a { color: var(--muted); }
.navbar.scrolled .dropdown a:hover { color: var(--blue); background: rgba(0,119,182,0.06); }

.nav-right { display: flex; align-items: center; gap: 10px; margin-left: 12px; }
.btn-nav { padding: 9px 20px; background: var(--blue); color: var(--white); border-radius: var(--r-sm); font-size: 14px; font-weight: 600; text-decoration: none; transition: all var(--t); white-space: nowrap; }
.btn-nav:hover { background: var(--blue-mid); transform: translateY(-1px); box-shadow: var(--sh-md); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { width: 22px; height: 2px; border-radius: 2px; transition: var(--t); }
.navbar:not(.scrolled) .hamburger span { background: var(--white); }
.navbar.scrolled .hamburger span { background: var(--text); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh; position: relative; overflow: hidden;
  display: flex; align-items: center; padding: 100px 0 60px;
  color: var(--white);
}
.hero-video-wrap { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-video-wrap video { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(120deg, rgba(1,15,40,0.92) 0%, rgba(0,40,90,0.82) 50%, rgba(0,70,120,0.70) 100%);
}
/* Fallback gradient when no video */
.hero-video-wrap:not(:has(video[src])),
.hero-video-wrap video:not([src]) ~ * {
  background: linear-gradient(135deg, #021a41 0%, #023E8A 50%, #0077B6 100%);
}
.hero:not(:has(video)) .hero-overlay,
.hero-overlay {
  background: linear-gradient(120deg, rgba(2,26,65,0.9) 0%, rgba(0,55,110,0.75) 55%, rgba(0,130,180,0.5) 100%);
}
/* Static fallback bg */
.hero { background: linear-gradient(135deg, #021a41 0%, #03306e 50%, #0077B6 100%); }

.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
  position: relative; z-index: 2; width: 100%;
}

/* Left */
.hero-content { display: flex; flex-direction: column; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.22); border-radius: 100px;
  font-size: 12px; font-weight: 500; color: rgba(255,255,255,0.92);
  margin-bottom: 28px; width: fit-content; backdrop-filter: blur(8px);
}
.badge-dot { width: 6px; height: 6px; background: var(--cyan); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(.8)} }

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(40px, 5vw, 66px); font-weight: 800;
  line-height: 1.08; letter-spacing: -2px; margin-bottom: 22px; color: var(--white);
}
.hero-gradient {
  background: linear-gradient(135deg, #7dd3fc 0%, #38bdf8 40%, #00e5ff 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-desc { font-size: 17px; color: rgba(255,255,255,0.72); line-height: 1.75; margin-bottom: 32px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }

.hero-stats {
  display: flex; align-items: stretch;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--r-md); overflow: hidden; backdrop-filter: blur(12px);
  width: fit-content;
}
.hstat { padding: 14px 24px; text-align: center; }
.hstat-sep { width: 1px; background: rgba(255,255,255,0.1); }
.hstat-num { display: block; font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 700; color: #7dd3fc; }
.hstat-label { display: block; font-size: 11px; color: rgba(255,255,255,0.5); margin-top: 2px; }

/* Right — Mockup */
.hero-mockup { position: relative; }
.mockup-glow {
  position: absolute; inset: -40px;
  background: radial-gradient(ellipse at center, rgba(0,180,216,0.2) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}
.dashboard-mockup {
  position: relative; z-index: 1;
  background: rgba(8,24,50,0.85);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--r-lg); overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(0,180,216,0.1);
  backdrop-filter: blur(24px);
  animation: float 5s ease-in-out infinite alternate;
}
@keyframes float { from{transform:translateY(0)} to{transform:translateY(-10px)} }

.dash-header {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.dash-dots { display: flex; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red{background:#ff5f57} .dot.yellow{background:#ffbd2e} .dot.green{background:#28ca41}
.dash-title { font-size: 11.5px; color: rgba(255,255,255,0.4); font-weight: 500; flex: 1; text-align: center; }
.dash-live { display: flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; color: var(--green); }
.live-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; animation: pulse 1.5s infinite; }

.dash-body { padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.dash-map { border-radius: var(--r-sm); overflow: hidden; }
.network-svg { width: 100%; display: block; }

.dash-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.dpanel {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-sm); padding: 10px 12px;
}
.dpanel-alert { border-color: rgba(247,37,133,0.3); background: rgba(247,37,133,0.07); }
.dpanel-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.dpanel-label { font-size: 10px; color: rgba(255,255,255,0.4); text-transform: uppercase; letter-spacing: 0.8px; }
.dpanel-trend { font-size: 10px; font-weight: 600; }
.dpanel-trend.up { color: var(--green); }
.dpanel-trend.warn { color: var(--warn); }
.dpanel-trend.good { color: var(--green); }
.dpanel-badge { width: 16px; height: 16px; background: var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 700; color: white; }
.dpanel-val { font-size: 18px; font-weight: 700; color: var(--white); line-height: 1.2; }
.dpanel-val.alert-text { color: var(--accent); }
.dpanel-val.good-text { color: var(--green); }
.dpanel-unit { font-size: 12px; font-weight: 400; opacity: 0.6; }
.dpanel-desc { font-size: 10px; color: rgba(247,37,133,0.8); margin-top: 2px; }
.dpanel-bar { height: 3px; background: rgba(255,255,255,0.08); border-radius: 2px; overflow: hidden; margin-top: 8px; }
.dpanel-fill { height: 100%; border-radius: 2px; background: var(--cyan); }
.dpanel-fill.warn { background: var(--warn); }
.dpanel-fill.good { background: var(--green); }

.hero-scroll {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: rgba(255,255,255,0.38); font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase;
  z-index: 3;
}
.scroll-line { width: 1px; height: 36px; background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent); animation: scrollDown 2s ease-in-out infinite; }
@keyframes scrollDown { 0%,100%{opacity:.3} 50%{opacity:1} }

/* ============================================================
   PARTNERS
   ============================================================ */
.partners-section {
  background: var(--white); border-bottom: 1px solid var(--border);
  padding: 36px 0;
}
.partners-label { text-align: center; font-size: 12px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--light); margin-bottom: 24px; }
.partners-track { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.partner-logo {
  height: 40px; padding: 0 24px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 13px; font-weight: 700; letter-spacing: 1px;
  color: var(--light); transition: all var(--t);
}
.partner-logo:hover { border-color: var(--blue); color: var(--blue); background: rgba(0,119,182,0.05); }

/* ============================================================
   FEATURES STRIP
   ============================================================ */
.features-strip {
  background: var(--white); border-bottom: 1px solid var(--border); padding: 28px 0;
}
.fstrip-grid { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.fstrip-div { width: 1px; height: 40px; background: var(--border); flex-shrink: 0; }
.fstrip-item { display: flex; align-items: center; gap: 14px; flex: 1; padding: 4px 12px; }
.fstrip-icon { width: 40px; height: 40px; background: rgba(0,119,182,0.07); border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.fstrip-icon svg { width: 20px; height: 20px; }
.fstrip-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.fstrip-desc { font-size: 12px; color: var(--muted); }

/* ============================================================
   SOLUTIONS PREVIEW
   ============================================================ */
.sol-preview { background: var(--bg); }
.sol-prev-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 20px; }
.sprev-card {
  display: flex; flex-direction: column;
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  text-decoration: none; color: inherit;
  transition: all var(--t);
}
.sprev-card:hover { border-color: rgba(0,119,182,0.3); transform: translateY(-4px); box-shadow: var(--sh-lg); }
.sprev-featured { grid-row: span 2; }
.sprev-img {
  height: 200px;
  background: linear-gradient(135deg, #023E8A 0%, #0096C7 100%);
  position: relative; overflow: hidden;
}
.sprev-img-1 {
  background: linear-gradient(135deg, rgba(2,26,65,0.88) 0%, rgba(0,119,182,0.75) 60%, rgba(0,180,216,0.65) 100%), url("../images/scada-kontrol-odasi-muhendis-gorseli.jpg") center/cover no-repeat;
}
.sprev-img::after {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='300' height='200' viewBox='0 0 300 200' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='80' cy='80' r='60' stroke='rgba(255,255,255,0.08)' stroke-width='1'/%3E%3Ccircle cx='80' cy='80' r='40' stroke='rgba(255,255,255,0.06)' stroke-width='1'/%3E%3Ccircle cx='200' cy='120' r='50' stroke='rgba(255,255,255,0.06)' stroke-width='1'/%3E%3Cline x1='50' y1='50' x2='250' y2='150' stroke='rgba(0,180,216,0.15)' stroke-width='1'/%3E%3Cline x1='30' y1='100' x2='270' y2='100' stroke='rgba(0,180,216,0.1)' stroke-width='1'/%3E%3C/svg%3E") center/cover;
}
.sprev-body { padding: 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.sprev-icon { width: 44px; height: 44px; background: rgba(0,119,182,0.08); border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; margin-bottom: 4px; }
.sprev-icon svg { width: 28px; height: 28px; }
.sprev-tag { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--blue); }
.sprev-card h3 { font-family: 'Space Grotesk', sans-serif; font-size: 18px; font-weight: 700; color: var(--text); line-height: 1.3; }
.sprev-card p { font-size: 13.5px; color: var(--muted); line-height: 1.6; flex: 1; }
.sprev-link { font-size: 13px; font-weight: 600; color: var(--blue); margin-top: auto; padding-top: 8px; }
.sprev-card:hover .sprev-link { color: var(--cyan); }
.sprev-col { display: flex; flex-direction: column; gap: 20px; }
.sprev-col .sprev-card { flex: 1; }

/* ============================================================
   STATS
   ============================================================ */
.stats-section {
  padding: 72px 0; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 50%, var(--blue) 100%);
  color: var(--white);
}
.stats-section::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(255,255,255,0.05) 0%, transparent 65%);
}
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; position: relative; z-index: 1; }
.stat-item { text-align: center; padding: 32px 20px; border-right: 1px solid rgba(255,255,255,0.08); }
.stat-item:last-child { border-right: none; }
.stat-num { font-family: 'Space Grotesk', sans-serif; font-size: 54px; font-weight: 800; color: var(--white); display: inline-block; line-height: 1; }
.stat-plus { display: inline-block; font-family: 'Space Grotesk', sans-serif; font-size: 26px; font-weight: 700; color: #7dd3fc; vertical-align: top; margin-top: 8px; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.55); margin-top: 10px; letter-spacing: 0.5px; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials { background: var(--bg2); }
.testi-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.testi-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--r-lg); padding: 32px 28px; transition: all var(--t);
}
.testi-card:hover { border-color: var(--border2); transform: translateY(-4px); box-shadow: var(--sh-lg); }
.testi-card-featured {
  background: linear-gradient(135deg, rgba(0,119,182,0.04), rgba(0,180,216,0.06));
  border-color: rgba(0,119,182,0.2); box-shadow: var(--sh-md);
}
.testi-stars { color: #f59e0b; font-size: 17px; margin-bottom: 18px; letter-spacing: 2px; }
.testi-card p { color: var(--muted); font-size: 15px; line-height: 1.75; margin-bottom: 24px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--cyan)); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; color: var(--white); flex-shrink: 0; }
.testi-name { font-size: 14px; font-weight: 700; color: var(--text); }
.testi-role { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  background: linear-gradient(135deg, var(--blue-mid), var(--blue-lt));
  padding: 72px 0; color: var(--white);
}
.cta-band-photo {
  background: linear-gradient(135deg, rgba(0,86,140,0.88), rgba(0,150,199,0.82)), url("../images/dogal-su-kaynagi-boru-hatti.jpg") center/cover no-repeat;
}
.cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band-text h2 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(24px,3vw,38px); font-weight: 700; margin-bottom: 10px; }
.cta-band-text p { color: rgba(255,255,255,0.7); font-size: 16px; }
.cta-band-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--blue-dark); padding: 72px 0 32px; color: var(--white); }
.footer .logo-text { color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 56px; }
.footer-tagline { color: rgba(255,255,255,0.4); font-size: 14px; line-height: 1.7; margin: 14px 0 22px; max-width: 260px; }
.footer-domain { display: inline-block; color: var(--cyan); font-size: 13px; font-weight: 600; text-decoration: none; margin-bottom: 18px; }
.footer-domain:hover { text-decoration: underline; }
.footer-social { display: flex; gap: 8px; }
.social-btn { width: 34px; height: 34px; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.5); text-decoration: none; font-size: 11px; font-weight: 700; transition: all var(--t); }
.social-btn:hover { background: var(--cyan); border-color: var(--cyan); color: var(--blue-dark); }
.footer-col h5 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: rgba(255,255,255,0.55); margin-bottom: 18px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { color: rgba(255,255,255,0.38); text-decoration: none; font-size: 14px; transition: color var(--t); }
.footer-col ul a:hover { color: var(--cyan); }
.footer-bottom { padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,0.28); }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { color: rgba(255,255,255,0.28); text-decoration: none; transition: color var(--t); }
.footer-legal a:hover { color: var(--cyan); }

/* ============================================================
   INNER PAGES — shared
   ============================================================ */
.page-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 60%, var(--blue) 100%);
  color: var(--white); text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,180,216,0.2) 0%, transparent 60%);
}
.page-hero-inner { position: relative; z-index: 1; }

/* Page hero photo variants */
.page-hero-about {
  background: linear-gradient(135deg, rgba(0,20,45,0.88) 0%, rgba(0,60,110,0.82) 60%, rgba(0,119,182,0.75) 100%), url("../images/havadan-su-aritma-tesisi-goruntusu.jpg") center/cover no-repeat;
}
.page-hero-solutions {
  background: linear-gradient(135deg, rgba(0,20,45,0.88) 0%, rgba(0,60,110,0.82) 60%, rgba(0,119,182,0.75) 100%), url("../images/endustriyel-boru-hatti-tesisi.avif") center/cover no-repeat;
}
.page-hero-products {
  background: linear-gradient(135deg, rgba(0,20,45,0.9) 0%, rgba(0,60,110,0.85) 60%, rgba(0,119,182,0.78) 100%), url("../images/su-aritma-tesisi-boru-hatti.jpg") center/cover no-repeat;
}
.page-hero-contact {
  background: linear-gradient(135deg, rgba(0,20,45,0.88) 0%, rgba(0,60,110,0.82) 60%, rgba(0,119,182,0.75) 100%), url("../images/icme-suyu-musluk-gorseli.jpg") center/cover no-repeat;
}
.page-hero h1 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(36px,5vw,60px); font-weight: 800; line-height: 1.1; letter-spacing: -1.5px; margin-bottom: 18px; }
.page-hero p { font-size: 18px; color: rgba(255,255,255,0.72); max-width: 560px; margin: 0 auto; }

/* Breadcrumb */
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; font-size: 13px; color: rgba(255,255,255,0.5); justify-content: center; }
.breadcrumb a { color: rgba(255,255,255,0.6); text-decoration: none; }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb span { opacity: 0.4; }

/* ============================================================
   FADE IN
   ============================================================ */
.fade-in { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-content { order: 1; }
  .hero-mockup { order: 2; max-width: 540px; margin: 0 auto; }
  .hero { padding: 110px 0 80px; }
  .sol-prev-grid { grid-template-columns: 1fr 1fr; }
  .sprev-featured { grid-column: span 2; grid-row: span 1; }
  .sprev-col { flex-direction: row; }
  .fstrip-grid { flex-wrap: wrap; justify-content: flex-start; }
  .fstrip-div { display: none; }
  .fstrip-item { width: calc(50% - 8px); }
}
@media (max-width: 768px) {
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; }
  .hero-stats { flex-wrap: wrap; }
  .hstat { flex: 1; min-width: 80px; }
  .sol-prev-grid { grid-template-columns: 1fr; }
  .sprev-featured { grid-column: span 1; }
  .sprev-col { flex-direction: column; }
  .testi-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-bottom: none; }
  .cta-band-inner { flex-direction: column; text-align: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .fstrip-item { width: 100%; }
  .partners-track { gap: 8px; }
  .hero-title { letter-spacing: -1px; }
}