/* ═══════════════════════════════════════════════════════════════
   DRYZEN — Main Stylesheet
   Whole-House Dehumidifier & Fresh Air Systems · dryzen.co.uk
   ═══════════════════════════════════════════════════════════════ */


/* ─── Custom Properties ──────────────────────────────────────── */
:root {
  --navy-deep:    #071424;
  --navy:         #0D2137;
  --navy-mid:     #1A3A5C;
  --blue:         #2563EB;
  --blue-light:   #3B82F6;
  --teal:         #0D9488;
  --teal-light:   #14B8A6;
  --amber:        #F59E0B;
  --amber-dark:   #D97706;
  --white:        #FFFFFF;
  --off-white:    #F8FAFC;
  --grey-100:     #F1F5F9;
  --grey-200:     #E2E8F0;
  --grey-300:     #CBD5E1;
  --grey-400:     #94A3B8;
  --grey-600:     #475569;
  --text:         #1A2338;
  --text-muted:   #64748B;

  --grad-hero:    linear-gradient(140deg, #071424 0%, #0D2137 40%, #1A3A5C 75%, #0D6B62 100%);
  --grad-teal:    linear-gradient(135deg, var(--teal) 0%, var(--blue) 100%);
  --grad-card:    linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.03) 100%);

  --shadow-sm:    0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:    0 4px 12px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg:    0 10px 30px rgba(0,0,0,0.1), 0 4px 8px rgba(0,0,0,0.06);
  --shadow-xl:    0 20px 60px rgba(0,0,0,0.14);
  --shadow-teal:  0 8px 30px rgba(13,148,136,0.35);

  --section-py:   6rem;
  --container:    1180px;
  --radius:       12px;
  --radius-lg:    20px;
  --radius-xl:    32px;
  --transition:   all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, textarea, select { font: inherit; }

/* ─── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
}
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.625rem); }
h4 { font-size: 1.125rem; }
p { line-height: 1.7; }

/* ─── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section { padding: var(--section-py) 0; }
.section--dark { background: var(--navy); color: var(--white); }
.section--light { background: var(--off-white); }
.section--teal { background: var(--grad-teal); color: var(--white); }
.section--navy-deep { background: var(--navy-deep); color: var(--white); }

/* ─── Text Utilities ─────────────────────────────────────────── */
.text-center  { text-align: center; }
.text-white   { color: var(--white) !important; }
.text-teal    { color: var(--teal-light); }
.text-amber   { color: var(--amber); }
.text-muted   { color: var(--text-muted); }
.text-navy    { color: var(--navy); }
.text-sm      { font-size: 0.875rem; }
.text-lg      { font-size: 1.125rem; }

/* Spacing */
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }
.mb-8 { margin-bottom: 4rem; }

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.975rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.01em;
  line-height: 1;
}
.btn svg { flex-shrink: 0; }

.btn-primary {
  background: var(--amber);
  color: var(--navy-deep);
  border-color: var(--amber);
}
.btn-primary:hover {
  background: var(--amber-dark);
  border-color: var(--amber-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245,158,11,0.45);
}

.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.6);
  transform: translateY(-2px);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-navy:hover {
  background: var(--navy-mid);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(13,33,55,0.35);
}

.btn-teal {
  background: var(--grad-teal);
  color: var(--white);
  border-color: transparent;
}
.btn-teal:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-teal);
}

.btn-lg { padding: 1.1rem 2.5rem; font-size: 1.05rem; }
.btn-sm { padding: 0.6rem 1.4rem; font-size: 0.85rem; }

/* ─── Section Headers ────────────────────────────────────────── */
.section-header {
  max-width: 680px;
  margin-bottom: 3.5rem;
}
.section-header.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.875rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 22px;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
}
.section--dark .section-label         { color: var(--teal-light); }
.section--dark .section-label::before { background: var(--teal-light); }
.section--teal .section-label         { color: rgba(255,255,255,0.7); }
.section--teal .section-label::before { background: rgba(255,255,255,0.5); }

.section-header h2 { margin-bottom: 1rem; }
.section-header p  { font-size: 1.075rem; color: var(--text-muted); line-height: 1.75; }
.section--dark .section-header h2 { color: var(--white); }
.section--dark .section-header p  { color: rgba(255,255,255,0.65); }
.section--teal .section-header h2 { color: var(--white); }
.section--teal .section-header p  { color: rgba(255,255,255,0.8); }

/* ─── Navigation ─────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: var(--transition);
}
#nav.scrolled {
  background: rgba(7, 20, 36, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 0.875rem 0;
  box-shadow: 0 2px 40px rgba(0,0,0,0.35);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 2px;
}
.nav-logo-name {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--white);
  letter-spacing: -0.03em;
}
.nav-logo-name span { color: var(--teal-light); }
.nav-logo-sub {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}
.nav-link {
  padding: 0.5rem 0.875rem;
  color: rgba(255,255,255,0.8);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}
.nav-cta {
  margin-left: 0.75rem;
  padding: 0.6rem 1.4rem;
  background: var(--amber);
  color: var(--navy-deep);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 50px;
  transition: var(--transition);
}
.nav-cta:hover {
  background: var(--amber-dark);
  transform: translateY(-1px);
  box-shadow: 0 5px 20px rgba(245,158,11,0.4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: var(--grad-hero);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-orb-1 {
  position: absolute;
  top: -15%;
  right: -8%;
  width: 650px; height: 650px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13,148,136,0.18) 0%, transparent 70%);
  animation: orb-float 9s ease-in-out infinite;
  pointer-events: none;
}
.hero-orb-2 {
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, transparent 70%);
  animation: orb-float 12s ease-in-out infinite reverse;
  pointer-events: none;
}
.hero-orb-3 {
  position: absolute;
  top: 50%;
  left: 35%;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13,148,136,0.08) 0%, transparent 70%);
  animation: orb-float 7s ease-in-out infinite 2s;
  pointer-events: none;
}
@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(25px, -18px) scale(1.04); }
  66%       { transform: translate(-12px, 12px) scale(0.97); }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 9rem 0 6rem;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--teal-light);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(12px);
}
.hero-badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--teal-light);
  box-shadow: 0 0 10px var(--teal-light);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  line-height: 1.13;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--teal-light), #60C8E8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.75;
  margin-bottom: 2.5rem;
  max-width: 530px;
}
.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.hero-trust {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
}
.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: rgba(255,255,255,0.55);
  font-size: 0.825rem;
}
.trust-check {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: rgba(13,148,136,0.25);
  border: 1px solid var(--teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--teal-light);
  font-size: 0.65rem;
}

/* Hero Visual / Dashboard Card */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-dashboard {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: var(--radius-xl);
  padding: 2rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.35);
}
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.dashboard-title {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}
.dashboard-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  color: var(--teal-light);
  font-weight: 600;
}
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal-light);
  box-shadow: 0 0 8px var(--teal-light);
  animation: pulse-dot 2s ease-in-out infinite;
}
.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
  margin-bottom: 1.5rem;
}
.dash-stat {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 1.125rem;
  text-align: center;
}
.dash-stat-val {
  font-family: 'Poppins', sans-serif;
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.dash-stat-val span { color: var(--teal-light); font-size: 1rem; }
.dash-stat-label { font-size: 0.7rem; color: rgba(255,255,255,0.45); line-height: 1.4; }

.meter-block { margin-bottom: 0.875rem; }
.meter-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}
.meter-meta span { font-size: 0.725rem; color: rgba(255,255,255,0.5); }
.meter-meta strong { font-size: 0.725rem; color: var(--teal-light); font-weight: 600; }
.meter-track {
  height: 5px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}
.meter-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--teal), var(--blue-light));
}

.dash-tag {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(13,148,136,0.15);
  border: 1px solid rgba(13,148,136,0.3);
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  margin-top: 1.25rem;
}
.dash-tag-icon { font-size: 1.25rem; }
.dash-tag-text { font-size: 0.8rem; color: rgba(255,255,255,0.8); line-height: 1.4; }
.dash-tag-text strong { display: block; color: var(--white); font-size: 0.85rem; }

/* ─── Stats Strip ─────────────────────────────────────────────── */
.stats-strip {
  background: var(--navy-deep);
  padding: 3rem 0;
  border-top: 1px solid rgba(255,255,255,0.04);
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
}
.stats-divider {
  width: 1px;
  background: rgba(255,255,255,0.08);
  align-self: stretch;
}
.stat-big {
  font-family: 'Poppins', sans-serif;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat-big span { color: var(--teal-light); }
.stat-sub { font-size: 0.8rem; color: rgba(255,255,255,0.45); }

/* ─── Problem Section ─────────────────────────────────────────── */
.problem-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.problem-cards {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-top: 1.5rem;
}
.problem-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.125rem 1.25rem;
  background: var(--grey-100);
  border-radius: var(--radius);
  border-left: 3px solid var(--teal);
  transition: var(--transition);
}
.problem-card:hover {
  background: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}
.problem-emoji { font-size: 1.35rem; flex-shrink: 0; margin-top: 2px; }
.problem-card h4 { font-size: 0.9rem; color: var(--navy); margin-bottom: 0.2rem; }
.problem-card p  { font-size: 0.825rem; color: var(--text-muted); line-height: 1.5; }

/* System Diagram */
.system-diagram {
  background: var(--navy);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}
.system-diagram::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 350px; height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13,148,136,0.15) 0%, transparent 70%);
}
.diagram-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-light);
  font-weight: 700;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}
.diagram-flow {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  z-index: 1;
}
.flow-step {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 10px;
  padding: 0.875rem 1rem;
  transition: var(--transition);
}
.flow-step:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(13,148,136,0.4);
}
.flow-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--grad-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}
.flow-info h4 { color: var(--white); font-size: 0.875rem; margin-bottom: 0.15rem; }
.flow-info p  { color: rgba(255,255,255,0.45); font-size: 0.775rem; }
.flow-arrow {
  text-align: center;
  color: var(--teal-light);
  font-size: 1.1rem;
  opacity: 0.4;
  padding: 0.1rem 0;
}

/* ─── Features Grid ───────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--grey-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}
.feature-card:hover::after { transform: scaleX(1); }
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(13,148,136,0.1), rgba(37,99,235,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  transition: var(--transition);
}
.feature-card:hover .feature-icon {
  background: var(--grad-teal);
  transform: scale(1.08);
}
.feature-card h3 { font-size: 1.05rem; color: var(--navy); margin-bottom: 0.625rem; }
.feature-card p  { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; }

/* ─── Process Steps ───────────────────────────────────────────── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}
.process-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 13%;
  right: 13%;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  z-index: 0;
}
.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--grad-teal);
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: var(--shadow-teal);
}
.section--dark .process-step h3 { color: var(--white); }
.process-step h3 { font-size: 1rem; margin-bottom: 0.625rem; }
.process-step p  { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }
.section--dark .process-step p { color: rgba(255,255,255,0.55); }

/* ─── Testimonials ─────────────────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.testimonial-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}
.testimonial-card:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(13,148,136,0.35);
  transform: translateY(-4px);
}
.stars {
  color: var(--amber);
  letter-spacing: 2px;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}
.testimonial-text {
  font-size: 0.925rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 1.5rem;
}
.author-row {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}
.author-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--grad-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}
.author-info strong { display: block; color: var(--white); font-size: 0.875rem; }
.author-info span   { font-size: 0.775rem; color: rgba(255,255,255,0.45); }

/* ─── CTA Banner ─────────────────────────────────────────────── */
.cta-banner {
  background: var(--grad-teal);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -60%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 700px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  pointer-events: none;
}
.cta-banner h2 { color: var(--white); margin-bottom: 1rem; position: relative; z-index: 1; }
.cta-banner p  { color: rgba(255,255,255,0.8); font-size: 1.075rem; margin-bottom: 2.25rem; max-width: 520px; margin-left: auto; margin-right: auto; position: relative; z-index: 1; }
.cta-banner .btn-primary { position: relative; z-index: 1; }

/* ─── FAQ Accordion ───────────────────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.faq-item {
  border: 1.5px solid var(--grey-200);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(13,148,136,0.1);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--white);
  cursor: pointer;
  border: none;
  text-align: left;
  transition: var(--transition);
}
.faq-q:hover { background: var(--grey-100); }
.faq-q h4 { font-size: 0.925rem; color: var(--navy); font-weight: 600; line-height: 1.4; }
.faq-toggle {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--grey-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--navy);
  font-size: 1.3rem;
  font-weight: 300;
  line-height: 1;
  transition: var(--transition);
}
.faq-item.open .faq-toggle {
  background: var(--teal);
  color: var(--white);
  transform: rotate(45deg);
}
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.38s ease; }
.faq-item.open .faq-a { max-height: 400px; }
.faq-a p {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

/* ─── Contact Form ────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-card {
  background: var(--off-white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: var(--transition);
}
.contact-card:hover { box-shadow: var(--shadow-md); background: var(--white); }
.contact-card-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--grad-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}
.contact-card-body h4 {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}
.contact-card-body a,
.contact-card-body p { color: var(--navy); font-weight: 600; font-size: 0.925rem; }
.contact-card-body a:hover { color: var(--teal); }

.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--grey-200);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.825rem; font-weight: 600; color: var(--text); margin-bottom: 0.5rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.825rem 1rem;
  border: 1.5px solid var(--grey-200);
  border-radius: var(--radius);
  font-size: 0.925rem;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(13,148,136,0.12);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.775rem; color: var(--text-muted); margin-top: 0.75rem; line-height: 1.5; }

/* ─── Page Header ─────────────────────────────────────────────── */
.page-header {
  background: var(--grad-hero);
  padding: 9rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.page-header-orb {
  position: absolute;
  top: -30%;
  right: -5%;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13,148,136,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.page-header-content { position: relative; z-index: 1; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.8rem;
}
.breadcrumb a { color: rgba(255,255,255,0.45); }
.breadcrumb a:hover { color: var(--teal-light); }
.breadcrumb-sep { color: rgba(255,255,255,0.2); }
.breadcrumb-cur { color: rgba(255,255,255,0.75); }
.page-header h1 { color: var(--white); margin-bottom: 1rem; }
.page-header p  { color: rgba(255,255,255,0.7); font-size: 1.1rem; max-width: 580px; line-height: 1.75; }

/* ─── Content Splits ─────────────────────────────────────────── */
.content-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.content-split.flip { direction: rtl; }
.content-split.flip > * { direction: ltr; }

/* ─── Icon List ──────────────────────────────────────────────── */
.icon-list { display: flex; flex-direction: column; gap: 1.125rem; margin: 1.5rem 0; }
.icon-list-item { display: flex; align-items: flex-start; gap: 1rem; }
.icon-list-icon {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(13,148,136,0.12), rgba(37,99,235,0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}
.icon-list-content h4 { font-size: 0.925rem; color: var(--navy); margin-bottom: 0.15rem; }
.icon-list-content p  { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* ─── Check List ─────────────────────────────────────────────── */
.check-list { display: flex; flex-direction: column; gap: 0.7rem; }
.check-item { display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; color: var(--text); }
.check-icon {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--grad-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--white);
  font-size: 0.65rem;
}
.section--dark .check-item { color: rgba(255,255,255,0.8); }

/* ─── Service Cards ──────────────────────────────────────────── */
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--grey-200);
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.service-card-head {
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  padding: 2.25rem 2rem;
  position: relative;
  overflow: hidden;
}
.service-card-head::after {
  content: '';
  position: absolute;
  bottom: -30px; right: -30px;
  width: 110px; height: 110px;
  border-radius: 50%;
  background: rgba(13,148,136,0.15);
}
.service-card-head-icon { font-size: 2.25rem; margin-bottom: 1rem; position: relative; z-index: 1; }
.service-card-head h3 { color: var(--white); margin-bottom: 0.4rem; position: relative; z-index: 1; }
.service-card-head p  { color: rgba(255,255,255,0.55); font-size: 0.85rem; position: relative; z-index: 1; }
.service-card-body { padding: 2rem; }
.service-includes { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1.75rem; }
.service-includes li { display: flex; align-items: center; gap: 0.75rem; font-size: 0.875rem; color: var(--text); }
.service-includes li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
}

/* ─── Value Cards ────────────────────────────────────────────── */
.value-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}
.value-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(13,148,136,0.4);
  transform: translateY(-4px);
}
.value-num {
  font-family: 'Poppins', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(255,255,255,0.1);
  line-height: 1;
  margin-bottom: 0.75rem;
}
.value-card h3 { color: var(--white); font-size: 1.05rem; margin-bottom: 0.625rem; }
.value-card p  { color: rgba(255,255,255,0.55); font-size: 0.875rem; line-height: 1.65; }

/* ─── Spec Table ─────────────────────────────────────────────── */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.spec-table th {
  background: var(--navy);
  color: var(--white);
  padding: 0.9rem 1.5rem;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.spec-table td {
  padding: 0.875rem 1.5rem;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--grey-200);
}
.spec-table tr:nth-child(even) td { background: var(--grey-100); }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table td:first-child { color: var(--text-muted); font-weight: 500; }
.spec-table td:last-child  { color: var(--navy); font-weight: 600; }

/* ─── Tags ───────────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.875rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.tag-teal  { background: rgba(13,148,136,0.1);  color: var(--teal); }
.tag-blue  { background: rgba(37,99,235,0.1);   color: var(--blue); }
.tag-amber { background: rgba(245,158,11,0.12); color: var(--amber-dark); }

/* ─── Areas Grid ─────────────────────────────────────────────── */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 2rem;
}
.area-tag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--grey-100);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}
.area-tag:hover { background: var(--white); box-shadow: var(--shadow-sm); }
.area-tag::before { content: '📍'; font-size: 0.85rem; }

/* ─── Highlight Box ──────────────────────────────────────────── */
.highlight-box {
  background: linear-gradient(135deg, rgba(13,148,136,0.08), rgba(37,99,235,0.08));
  border: 1px solid rgba(13,148,136,0.2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 2rem 0;
}
.highlight-box h4 { color: var(--navy); margin-bottom: 0.5rem; }
.highlight-box p  { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

/* ─── Scroll-to-Top ──────────────────────────────────────────── */
#scroll-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 900;
  font-size: 1rem;
}
#scroll-top.show { opacity: 1; transform: translateY(0); }
#scroll-top:hover { background: var(--teal); transform: translateY(-3px); }

/* ─── Scroll Animation ───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--navy-deep);
  color: var(--white);
  padding: 4.5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-logo {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.footer-logo span { color: var(--teal-light); }
.footer-desc { font-size: 0.85rem; color: rgba(255,255,255,0.45); line-height: 1.75; margin-bottom: 1.5rem; }
.footer-socials { display: flex; gap: 0.625rem; }
.social-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  transition: var(--transition);
}
.social-btn:hover {
  border-color: var(--teal-light);
  color: var(--teal-light);
  background: rgba(13,148,136,0.12);
}
.footer-col h5 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.35);
  margin-bottom: 1.25rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-link {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
  display: inline-block;
}
.footer-link:hover { color: var(--teal-light); transform: translateX(3px); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy { font-size: 0.775rem; color: rgba(255,255,255,0.3); }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { font-size: 0.775rem; color: rgba(255,255,255,0.3); transition: var(--transition); }
.footer-legal a:hover { color: rgba(255,255,255,0.65); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --section-py: 5rem; }
  .hero-inner { grid-template-columns: 1fr; padding: 8rem 0 5rem; }
  .hero-visual { display: none; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .stats-divider { display: none; }
  .problem-split { grid-template-columns: 1fr; gap: 3rem; }
  .content-split { grid-template-columns: 1fr; gap: 3rem; }
  .content-split.flip { direction: ltr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid::before { display: none; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
  .areas-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-py: 4rem; }
  .nav-menu {
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 88vw);
    height: 100vh;
    background: var(--navy-deep);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 1.75rem 2rem;
    gap: 0.25rem;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -5px 0 40px rgba(0,0,0,0.5);
    z-index: 999;
    overflow-y: auto;
  }
  .nav-menu.open { right: 0; }
  .nav-link { width: 100%; padding: 0.75rem 1rem; font-size: 1rem; border-radius: var(--radius); }
  .nav-cta { margin-left: 0; margin-top: 0.75rem; width: 100%; text-align: center; padding: 0.875rem; justify-content: center; }
  .hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .process-grid  { grid-template-columns: 1fr; }
  .footer-grid   { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 1.75rem; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { justify-content: center; }
  .areas-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  :root { --section-py: 3rem; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .areas-grid { grid-template-columns: 1fr 1fr; }
  .hero-trust { flex-direction: column; align-items: flex-start; gap: 0.625rem; }
}
